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Operator (and bystander) injuries? List the ways....

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Hi, again. Seeking info from those of you who've dealt with dozens and dozens of turners over the years and have a feel for the various dangerous mistakes people make, everyone from beginners to intermediate or even advanced turners. I'm helping write standards for an open-shop situation -- what people need to know to be safe. If they haven't taken a class from us, they will be expected to demonstrate their knowledge and ability, within 3 or 4 "tiers" of turning they might want to do on their own with our lathes. Can we build a list of "How people hurt themselves"?
 
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One of the most serious mistakes turners can make is standing in the path of the wood being turned at startup. I published a technique to avoid startup problems in 1986 in my book Sculpting Wood. The problem is that when a piece is put on the lathe without first checking the running speed, because of oversight, interuption, carelessness, etc., the piece can quickly come up to speed. If that speed is eccessive for the piece being turned, it can cause an explosive breaking apart, often resulting in injury to the turner standing in the path.
My solution to the problem was to employ a mandatory protocol of always standing off to the side, out of the range of the path of a potentially flying object. Additionally, the protocol included a "snap-start" for larger pieces. Since lathes are so powerful, they can bring a large piece immediately up to speed. "Snapping" the switch quickly on and off, affords an opportunity to assess starting speed always.
Today, many lathes have soft--start options, where controllers gradually bring the turning up to speed. It is still a good practice to always be a "step to the left" when starting up a piece.
Many lathe accidents can be avoided by implementing this simple protocol.
Mark
 
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Knowledge and Experience would cover a large percentage involving various aspects of "turning".
A large number of accidents occur from lack of knowledge and experience on the following items.
Wood Types
Lathe Chuck Mounting
Lathe Billet Mounting Methods
Lathe Billet Material Failures
Lathe Machine Operating
Lathe Accessory Use
Lathe Tool Technique
Operator Positioning
Personal Protective Equipment Use
.
.
Every new machine takes time to learn how to use them properly, a complete novice walking into
a wood working shop is an accident waiting to happen. Basic hand tools and power tools can easily
cause injury to a novice. The larger powered wood working equipment usually increases the extent
of injury made possible by the relentless energy provided by these motor driven machines. Not sure
how you can instill a life time of shop experience and knowledge into a novice in any length of time.
There are some people that can learn quickly and understand the danger in working around this type of equipment, and then you have other people that do not have the focus, common sense, dexterity, or aptitude
to be in a wood working shop. Those individuals lacking shop skill sets usually end up losing digits, eye sight, and hearing from not following safety procedures. You might want to put together a few YouTube videos showing common accidents incurred by these individuals in a wood working shop. Most novices have no
knowledge or experience, so they also have no respect for the dangers involved with the tools they are working with. Most industrial companies require weekly safety training and equipment training for new operators of equipment and tools. OSHA requires yearly training and reviews of these topics and anyone
working in a shop environment should follow the same practice to avoid liability.
 

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Classes should stress the safety aspects of each operation or tool as it is introduced.
Usually proper use is safe use.

I have 2 basic rules:
everyone wears a face shield and power saws are not operated by students.
In youth classes face shields are down when any lathe is turned on.

In over 200 classes i taught or assisted I have seen two injuries requiring emergency room visits.
1. a student lacerated their hand removing a nub from a bowl with a chisel the said " I did exactly what you told us not to do."
2. An internationally known turner I was assisting hurt his hand when it was pulled into the grinder.
Two things contributed. The gouge had a too steep bevel making it low on the wheel and the woulverine arm was not locked tight enough and it's movement let the wheel pull the tool down over the front of the wheel.

A friend suffered a sever hand injury while teaching. The classroom was equipped with reeves drive lathes. Class was on NE bowls. Student who just finished a bowl was told to start another blank.
The lathe was still on high speed. The unbalance bowl blank flew off the lathe upward in a high ceiling warehouse type building. Hit my friend on the hand breaking some bones and permanently damaging some tendons. ( I teach the on/off method describe above)

Teachers need to be tuned in to listen. Most poor turning techniques that lead to catches make varying sounds.

Class room setup can reduce injury. Watch for tripping hazards, Tape any wires down, if possible arrange lathes in an outward facing horse shoe. Remind student to stay out of the line of Fire on their classmates lathes.
 
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john lucas

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speed and standing in the line of fire. The two things that seem to cause the most serious problems are cracked wood and speed. People should understand from the very start that turning wood that has defects of cracks can kill you. When you have the experience then you might try those but new turners don't and often have wood that has pretty severe checks and try to turn it anyway. In my classes it was the older guys who thought you had to run the wood really fast to turn it. That and their lack of skills with the tools causes the most serious catches. I agree with Mark 100%. Some of the newer lathes and my Powermatic is one of them, when you start the lathe it starts up at whatever speed you shut it off at. What we try to teach them at the Appalachian Center for Craft where I teach is to never use the on/off button. Always use the speed button to turn the lathe "on and Off". This eliminates that problem. For production turning or small spindles it's really wonderful to have the speed and on off switch seperate but for beginners I think the lathe should always start up at slow speed. Not standing in the line of fire is a must at start up. When you are turning quite often it's almost impossible because you need to see the form the get the best shape. In spindle turning it's next to impossible not to stand in the line of fire. It is a good thing however to discuss this and get them to try their best to stand to the side, especially when increasing the speed. There was an older man at John C Campbell a bunch of years back who had finished a segmented piece and was sanding it. It exploded and gave him several stitches in his head. If he had been standing out of the line of fire he would have stood a much greater chance of not being hit. That won't prevent all injuries because you can't predict where the piece will actually go. I was turning a piece of what I though was solid wood the other day. It had wind shake and blew apart. Hit my wrist really hard but didn't hit my head. Which brings me to the next point. Wear a face shield.
 
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All of the above, plus...
The idea that a student is using a different/new to them lathe, even if it is the same model as their own, should be stressed. Check out the lathe, front to back, top to bottom, you never know who/what was turned last, i.e.pens (fast) bowls (maybe slow), check the speed setting range so it is right for you, don't assume.
If the lathe has a sliding headstock, don't assume it is locked, check it.
What speed should I turn? An oft heard question. Ha ha ha...just turn the speed up till the lathe starts shakin, then turn it down a bit...ha ha...
We've all heard it, we may have even said it...It was probably true on my old sheet metal base, round tube, 95 pound when soaking wet lathe, but the lathes of today don't behave the same. We need a better answer to the question. Some of our students are fearless, they didn't grow up working in a garage, shop, farm environment where you got bit by "little things" and learned by inference, that the "bigger things" probably hurt worser...
I agree with John on using the speed knob as an on/off switch, If used like a clock, students understand "about 12 o'clock" or "between one and two" or don't go past 1:30ish.
Jamie, I'd like to see your list once you're done, just reread your question which was "how people hurt themselves" I think most of the responses are how not to hurt yourself or, how to keep yourself from getting hurt...How I hurt myself? Luckily I don't do it that often, I'll think about it and get back to you...
 
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I think of the dangers of woodturning as mainly things getting caught in the moving parts (e.g. jewelry, clothing, fingers), and things leaving the lathe, usually due to a catch but sometimes because of a defect, with speed being a multiplier.

PPE like a face shield obviously help, and I am on-board with wearing one, but it's a last line defense. Technique and knowledge to properly mount the workpieces in the lathe, stay out of the line of fire, avoid catches, understand the grain, etc. are things that reduce the need for face shields.

Woodturning dust is one that I think is often overlooked. Breathing fine dust may not have an immediate effect, and the story of the sinus infection that you got from breathing dust may not grab out attention like a violent catch will, but if you don't take steps to avoid breathing dust, it will have a chronic effect on most people's health. Knowing the dangers of specific types of woods like some exotics and spalted woods is a must.


As an aside, I have watched quite a few dramatic catches on YouTube, and I make a habit of watching them to see if can tell what the turner did to contribute. In the majority of them, the turner stuck the edge of the tool into end grain and while the catch was predictable, few of the turners understood what they did wrong. Greater knowledge of grain orientation and how the tools interact with it would go a long way.
 
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Speed speed speed.
As has been mentioned above, speed can be a killer. Potentially the worst.
I have been shocked recently watching turners turn bowls at such high speeds.
Oddly, they turn at these high speeds and then ultimately use power sanding to get a great finish.
Turning at slower speeds with sharp tools can accomplish the same thing, especially if using abrasives to finish surfaces.

Just one note about face shields. I agree they are important. However, most face shields become obscured by fine dust which becomes attracted to the plastic from static electricity. In some cases, if the face shield isn't periodically cleaned, ironically it can become a hazard itself.

Face shields can provide a false sense of security. Proper instruction in the use of a face shield is advised.

Lathe area cleanliness is important as well. I see people standing on piles of foot high shavings which changes correct body position and leaves footing mushy. Having a good push broom nearby for quick clearing of the working area is a must IMO.

A dangerous situation in a lathe instruction class is having too many students per instructor. I believe that instructors should have studio helpers to be able to keep a close eye on students. It's just when you as an instructor have your back turned that the accident happens.

A student that knows a little is as dangerous as a loaded gun. Instructors must recognize, the dangers of "little knowledge" students (as discussed above) and take proper precautions to safeguard themselves.

One last item:

People wearing flip flops in the shop are at serious risk. When a chisel or gouge rolls off a table it travels heavy-side down, right into the foot or toes of the flip-flop wearing student. Shavings become easily trapped within flip flops and can trip people up as well.
 
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Jamie, Sounds like a good way to take a lot of fun out of turning sessions. Are you going to have turning safety police watching everyone? Video cameras to record mistakes? Can't imagine trying to compose a comprehensive list of all the mistakes, at all skill levels, that people can make in an open shop area. Sorry, but feels like a wild goose chase to me.
 
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Jamie, Sounds like a good way to take a lot of fun out of turning sessions. Are you going to have turning safety police watching everyone? Video cameras to record mistakes? Can't imagine trying to compose a comprehensive list of all the mistakes, at all skill levels, that people can make in an open shop area. Sorry, but feels like a wild goose chase to me.

Richard, I understand what you are saying about the fun aspect of learning turning being important. When my father and I taught the very first class in woodturning at Arrowmont back in 1981, when we were setting up the woodturning program, we had a few accidents that in and of themselves took away all fun for the other students at the time. One accident was when a gouge rooled off a bench and went sharp edge first into a guy's foot. He had changed to flip flops after lunch and we didn't notice. He made so much noise from the pain, many became temporarily unnerved. Next, a seasoned woodworker knicked his index finger on a bandsaw and he thought he had cut his hand off. There he was on his back, on the floor, eye's closed, holding his hand, rocking side to side, quietly wailing to himself. Thankfully, a surgeon was in the class, walked right over to him, told him calmly to show him his hand. It really was only a small knick. He took the guy by the arm and told him to stand up. Then he put a bandaid on his cut and told him to go back to work.

Accidents can and do happen. When they occur in classes, it affects everyone. When major lathe accidents occur, it puts a pall over the whole session. I have not had anything overly serious ever happen while teaching, but I have seen it in classes others have taught. Believe me, it is not fun.
There are two means of teaching: instruction and correction. Of course people go to have fun turning, but presumably they also go to learn what NOT to do as well as what to do. Being corrected when doing something that could become a costly accident, can prove to be priceless in the long run.

Criticizing safety aspects of turning programs is definitely not cool, especially when there have been many deaths due to improper procedures and careless program directors. You might want to rethink your statement and position.

Best,

Mark
 
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Oh I have no issue with safety being taught. I guess what I am struck by, with the original post, is the idea of listing all the safety issues for all skill levels of turners in a comprehensive list of standards. ALL the ways haven't been invented yet! Then judging those individuals on their knowledge and skills so they can be placed in tiers. It's my experience that a beginner is frightened to even ask a question in front of others. Let alone make them stand up and turn something so they can be rated. I see that as a solid way of not getting beginners to join.
 
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Just curious what you might suggest as a plan to evaluate students prior to allowing them to use machines on their own, Richard?

In 2011, a women got her hair caught in a wood lathe in a chemistry lab at Yale University where she was working on her own at night. She was killed in the accident. Yale was found at fault.
These tragedies can occur, and if they continue to happen at escalating rates, pretty soon there will be no more facilities to provide woodturning opportunities as insurance companies will begin to refuse coverage.

I'm not sure I understand what or how the OP would do with the information, other than attempt to gather the facts first. This is a tough call for administrators whose responsibility it is to ensure safeguards for students as well as instructors.

There was an instructor at the Worcester Craft Center in Worcester, Mass who put a segmented piece on a Rockwell 4 step pulley lathe, the kind widely used in shop classes in High Schools for decades, who was killed when he started the lathe which brought the piece immediately up to the lathe's top speed. He was by himself working alone and became yet another lathe accident fatality.
That ended a very long program of woodworking, due to lawsuits.

Pop up workshops are one thing, where instructors themselves are responsible for their classes and students. But institutions that have turning programs are a different story. They have to do due dilligence. From the way I understand it, this is an information gathering stage. Coming up with a list of "perils" is not a bad idea - it seems to me it would be how the information was presented.

So I ask again, how would you approach the issue the OP raises?

Thanks!

Mark
 
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Firstly, I think a multi page handout on every safety standard a group of people can think of, is going to hold someone's attention for about the first half sheet. Remember we are working with people that work in short bursts on social media these days. Secondly, when you think you give someone a comprehensive list of safety guidelines, they will go home and creatively hurt themselves with a method you never thought of, and then they have proof that you didn't tell them that method was dangerous. Opening yourself to litigation of course!

I taught a lot of classes at Woodcraft when we had a store in Peoria. I limited a beginner class to 4 people. No one turned on a lathe for the first 20 minutes. I felt that was the maximum time I could hold their attention while I explained safety, tools, and what I could verbally and graphically explain about woodturning. The next half hour was an overview of sharpening. Then everyone watched me demo the tools and proper hand and body positions. So for about 65-70 minutes, no one turned anything. Then everyone got a 2x2 about 8" long. I insisted everyone check the speed setting before hitting the switch, then I stood in the middle of the lathe circle so I could get to everyone in just a few steps. When they started turning, I told them that no one was going home with a finished project in a beginner class. If I saw someone struggling, I actually put my one hand on the chisel. If I saw a safety issue, I had everyone shut off their lathes and I would go over it again. Bowl turning was a second class.

No list is a substitute for hands on learning.
 
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Jamie, Sounds like a good way to take a lot of fun out of turning sessions. Are you going to have turning safety police watching everyone? Video cameras to record mistakes? Can't imagine trying to compose a comprehensive list of all the mistakes, at all skill levels, that people can make in an open shop area. Sorry, but feels like a wild goose chase to me.
No, Richard -- you're waaayyyyyy off-base..I'm seeking info from the experienced teachers here -- the one's who've probably seen it all, or darned close to it -- because they know about things I haven't seen or experienced. The whole point is, people in this environment do work independently, and we want them to be safe! So, if they haven't taken a class, but are experienced turners, they need to show us they know how to turn without getting in trouble. Then, they're checked off and happily on their way. I turn there 2 or 3 days/week, and the only people "watching" me are touring the facility.
 
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I guess what I am struck by, with the original post, is the idea of listing all the safety issues for all skill levels of turners in a comprehensive list of standards.

a multi page handout on every safety standard a group of people can think of, is going to hold someone's attention for about the first half sheet.

THAT'S NOT WHAT I'M DOING! Richard, chill. You are assuming facts not in evidence. I'm just gathering information for my own edification.
 
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And, to everyone else, thank you very, very much. I'll be learning through your experiences as I read this thread through a few times. I'm supposed to be preparing to teach next week's class, so "Bye for now."
 
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Next, a seasoned woodworker knicked his index finger on a bandsaw and he thought he had cut his hand off. There he was on his back, on the floor, eye's closed, holding his hand, rocking side to side, quietly wailing to himself.
Kinda the opposite of when I last injured myself (horses) --thought I'd just cut my arm and it turn out to be a "degloving injury" -- nearly severed an artery and nerves. Hardly even hurt for the first hour, but I was in shock so bad they had me under about 6 blankets in the ER.
 
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Jamie - Safety protocols can become good habits. Good habits (like snap-starting and step-aside starting) can save lives. Bad habits can result in accidents. Simple rules for turners to live by. If you concentrate on the "big"things that cause the most accidents, you'll cover a lot of bases.
There's a lot of good information here in this thread - many good comments from some excellent instructors.
 
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The AAW Resource Directory (now apparently out of print) had a full page of "Lathe Safety Guidelines."
Available at the bottom of the page here: http://www.woodturner.org/?page=safety

Thanks Joe -

RE-POSTING HERE FOR CONVENIENCE:

Safety is YOUR responsibility.
  1. Always wear safety goggles or safety glasses that include side protectors. Use a full faceshield for bowl, vessel, or any turning involving chucks and faceplates.
  2. Fine particles from a grinder and wood dust are harmful to your respiratory system. Use a dust mask, air filtration helmet, proper ventilation, dust collection system, or a combination of these to deal with this serious issue. Be especially mindful of dust from many exotic woods, spalted woods, or any wood from which you notice a skin or respiratory reaction.
  3. Wear hearing protection during extended periods of turning.
  4. Turn the lathe off before adjusting the tool rest or tool rest base, i.e., banjo.
  5. Remove chuck keys, adjusting wrenches, and knockout bars. Form a habit of checking for these before turning on the lathe.
  6. Tie back long hair; do not wear gloves; and avoid loose clothing, jewelry, or any dangling objects that may catch on rotating parts or accessories.
  7. When using a faceplate, be certain the workpiece is solidly mounted with stout screws (#10 or #12 sheet metal screws as a minimum). Do not use dry wall or deck screws. When turning between centers, be certain the workpiece is firmly mounted between the headstock driving center and tailstock center.
  8. Ensure the belt guard or cover is in place.
  9. Check that all locking devices on the tailstock and tool rest assembly (rest and base) are tight before operating the lathe.
  10. Ensure the blank is securely fastened.
  11. Rotate your workpiece by hand to make sure it clears the toolrest and bed before turning the lathe on. Be certain that the workpiece turns freely and is firmly mounted. A handwheel on the headstock simplifies this process of spinning the lathe by hand before turning on the switch.
  12. Be aware of what turners call the "red zone” or "firing zone.” This is the area directly behind and in front of the workpiece, the areas most likely for a piece to travel as it comes off the lathe. A good safety habit is to step out of this zone when turning on the lathe, keeping your hand on the switch in case you need to turn the machine off. When observing someone else turn, stay out of this zone.
  13. Always check the speed of the lathe before turning it on. Use slower speeds for larger diameters or rough pieces and higher speeds for smaller diameters and pieces that are balanced. Always start a piece at a slower speed until the workpiece is balanced. If the lathe is shaking or vibrating, lower the speed. If the workpiece vibrates, always stop the machine to verify why. As a starting point, consult your operator’s manual for recommended speeds for a particular lathe. Ensure the lathe speed is compatible with the size of the blank.
  14. Exercise extra caution when using stock with cracks, splits, checks, bark pockets, knots, irregular shapes, or protuberances. Beginners should avoid these types of stock until they have greater knowledge of working such wood.
  15. Hold turning tools securely on the toolrest, holding the tool in a controlled but comfortable manner. Always contact the tool rest with the tool before contacting the wood.
  16. Note that, when running a lathe in reverse, it is possible for a chuck or faceplate to unscrew unless it is securely tightened or locked on the lathe spindle.
  17. Know your capabilities and limitations. An experienced woodturner is capable of lathe speeds, techniques, and procedures not recommended for beginning turners.
  18. Always remove the tool rest before sanding, finishing, or polishing operations.
  19. Don’t overreach, keep proper footing, and keep your balance at all times.
  20. Keep lathe in good repair. Check for damaged parts, alignment, binding of moving parts, and other conditions that may affect its operation.
  21. Keep tools sharp and clean for better and safer performance. Don’t force a dull tool. Don’t use a tool for a purpose that it was not designed for or intended for.
  22. Consider your work environment. Don’t use a lathe in damp or wet locations. Do not use in presence of inflammable liquids or gases, and always keep a fully-charged fire extinguisher close at hand. Keep your work area well lit.
  23. Stay alert. Watch what you are doing. Pay close attention to unusual sounds or vibrations. Stop the lathe to investigate the cause. Don’t operate machines when you are tired or under the influence of drugs or alcohol.
  24. Guard against electric shock. Inspect electric cords for damage. Avoid the use of extension cords.
  25. Never leave the lathe running unattended. Turn power off. Don’t leave lathe until it comes to a complete stop.
  26. Many accidents to woodturners occur while using saws, especially band and chain saws. Learn and follow the safety guidelines for this equipment.
 
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Hi, again. Seeking info from those of you who've dealt with dozens and dozens of turners over the years and have a feel for the various dangerous mistakes people make, everyone from beginners to intermediate or even advanced turners. I'm helping write standards for an open-shop situation -- what people need to know to be safe. If they haven't taken a class from us, they will be expected to demonstrate their knowledge and ability, within 3 or 4 "tiers" of turning they might want to do on their own with our lathes. Can we build a list of "How people hurt themselves"?

Jamie, from my first hand experience with industrial machinery, the state department of Labor and Industry (the dreaded L&I) can help you here. They're more than glad to send out an inspector to look over your shop for safety issues, posted warning signage on machinery etc, etc. As long as you make the inspection request you're not liable for fines for unsafe conditions. If they make an unannounced inspection due to a complaint or whatever that's a different issue.

In the State of Washington there are issues to be aware of. Anybody working for payment is automatically covered under state industrial insurance. I assume this would apply to paid demonstrators and possibly class participants. This is where you can get into tricky territory. For instance, if you hire a handy man to do odd jobs around your home you are responsible for their industrial insurance. If they're a professional you can verify online whether premiums are being paid to the state. If they aren't covered (as would likely be the case of an out of state demonstrator) you can sign them up and pay the nominal premiums yourself. If an uninsured individual is hurt on your premises the penalties can be severe.

I expect state inspectors will be fairly hard nosed about issues with unguarded, rotating chunks of wood. Probably at a minimum requiring guarding like shown in the attached picture. As a sidenote, the Seattle Woodcraft store typically has at least 10 lathes on display and not a singly one has a guard installed.

For sure, bench grinders will need to have full enclosures over the wheels. Even the CBN wheel sellers show their products being used without guarding which has always been surprising to me.

The liability insurance company your local club deals with might have some safety guidelines too.

Given the litigious society we're in it's no wonder public schools have been forced to give up shop classes. A friend very active in the woodturning community gave up the idea of marketing a clever accessory because the product liability insurance per unit exceeded his projected selling price.

lthe guard.JPG
 

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I'm helping write standards for an open-shop situation

Hi Jamie

When you say "open shop", do you mean a shop that is open to a community of turners who are not receiving instruction, but working independently?
 
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Hi Jamie

When you say "open shop", do you mean a shop that is open to a community of turners who are not receiving instruction, but working independently?

That's how I read it Odie -
 

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A friend very active in the woodturning community gave up the idea of marketing a clever accessory because the product liability insurance per unit exceeded his projected selling price.

Jon Magill is a big name in the Ornamental Turning community and he said the same thing at a presentation I saw him give in 2016. It is sad to me : His ideas was a great one.

Rich
 

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A good safety habit is to step out of this zone when turning on the lathe, keeping your hand on the switch in case you need to turn the machine off.

Unless you're one of those who can manipulate a gouge one handed, or the rare turner who happens to have three hands, this rule I've quoted above seems a little off base to me.....:eek:

As I digest these safety rules, there are a couple that I'm not willing to completely comply with. I've never been an instructor, but if I were, I'd insist on compliance.....even though I may fudge one or two of the rules in my own shop.

During the past week, the temperatures in my shop have been very high.......and, I've resorted to wearing shorts and "flip-flops". This is not my normal practice, but with all this heat, I guess you could say "the devil made me do it"! Ha,ha....:D

speed and standing in the line of fire. The two things that seem to cause the most serious problems are cracked wood and speed. Wear a face shield.

To my thinking, John Lucas hits on the bottom line here. Unstable wood and speed probably result in more serious injury than anything else in woodturning. Also, John Lucas is the one who convinced me to purchase the Bionic shield, which I wear every day. It's not going to stop every possible thing your lathe might fling at you.......but, it's far better than the standard shields that have no reinforcement on the sides or bottom.

Many of the rules are plainly common sense........but, I fully understand the need to "spell it out" so the lowest common denominator is subjected to them......:rolleyes:

-----odie-----
 
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Unless you're one of those who can manipulate a gouge one handed, or the rare turner who happens to have three hands, this rule I've quoted above seems a little off base to me.....:eek:
-----odie-----

Surprised you misunderstood this Odie. This method is for startup of dangerous work and most anything that could come up to speed using certain lathes.

Here's what I published back in 1986 in Sculpting Wood: Contemporary Tools and Techniques.

"Often the beginning stage of turning large burls is dangerous and requires special caution when turning the lathe on. I stand to the side well out of the path of the burl and jog the lathe up to speed. Jogging is a series of snap starts, allowing the mass to gradually reach its maximum rpm at the slowest speed of the lathe which in this case is 50 rpm."

The "rule" (as in "Golden Rule")is not off-base. I know many pro turners who practice this technique daily. I've turned with Ed Moultrop, Dale Nish, BobStocksdale and many others in their shops and they all practiced the same protocol when first staring large pieces. If it's not for you, fine, go about your business the way you turn, but I don't appreciate the cheap shot, however I expected as much sooner or later.

So long guys.
 

odie

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Surprised you misunderstood this Odie. This method is for startup of dangerous work and most anything that could come up to speed using certain lathes.

Here's what I published back in 1986 in Sculpting Wood: Contemporary Tools and Techniques.

"Often the beginning stage of turning large burls is dangerous and requires special caution when turning the lathe on. I stand to the side well out of the path of the burl and jog the lathe up to speed. Jogging is a series of snap starts, allowing the mass to gradually reach its maximum rpm at the slowest speed of the lathe which in this case is 50 rpm."

The "rule" (as in "Golden Rule")is not off-base. I know many pro turners who practice this technique daily. I've turned with Ed Moultrop, Dale Nish, BobStocksdale and many others in their shops and they all practiced the same protocol when first staring large pieces. If it's not for you, fine, go about your business the way you turn, but I don't appreciate the cheap shot, however I expected as much sooner or later.

So long guys.

Yeah......funny how that one sailed right over my head! :D

I had envisioned the act of turning while one hand was on the stop button........Oh well, a little time spent re-reading could have prevented that! ;)

-----odie-----
 

Bill Boehme

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Hi Jamie

When you say "open shop", do you mean a shop that is open to a community of turners who are not receiving instruction, but working independently?

No, "open shop" (at least at my club) is intended to give some one-on-one mentoring. We have an instructor at each lathe to assist new turners in a particular topic such as spindle turning, hollowing, bowl turning, or whatever someone wants help with. My club has an open shop at least every three months that begins about four hours prior to the regular meeting time. We usually have about 6 to 8 lathes set up as well as instructors helping with other topics such as sharpening, tool making, and dyeing. There are also tables set up for trading wood and tools. One of the local woodworker stores frequently sets up a mini store. We also have hot dogs and other food which always helps to draw a crowd. :D I do my part by making sure that no hot dog goes uneaten. :)

We do not have lathes sitting there for somebody to just mess around ... they can do that at home.
 
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As a very inexperienced turner by the standards of this group, I cannot add much to the discussion. However, there was an accident reported on another forum that would not have occurred to me as being the result of an inherently dangerous situation. The turner was not wearing loose clothing. He was wearing a snug fitting T-shirt. However, he had the jaws of his chuck opened far enough that the outer edges of the jaws extended beyond the body of the chuck. He reached for something (I forget the exact details.), got the sleeve of his shirt caught in the spinning jaws, tore the heck out of the shirt and injured his arm.

No one can come up with an all encompassing list of don'ts for turners. As the man said, just when you believe you've made things fool proof, they invent a more imaginative fool. However,maybe you could include in your list something about reaching over spinning equipment for any reason.
 

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. He reached for something (I forget the exact details.), got the sleeve of his shirt caught in the spinning jaws, tore the heck out of the shirt and injured his arm.

A great lesson ! Spinning objects with a corner - wood or metal - will almost always let go of skin after making bruise or tearing a piece out. In a particle bad situation a broken bone might result.

Long sleeves, gloves, hair, jewelry ... are often held onto until torn free. Severe injury and death can occur.
Steel wool, cloth rags are also subject to being grabbed.

Wearing a watch is "ok" until the wood grabs it and won't let go

Knew a guy who spent his life in the philiadelphia ship yards who me the most dangerous equipment was the big drill presses ( similar hazards to a lathe turned verticle)
People did not respect their power got pulled into them by spinning wood they could not hold or caught clothing. They lost hands, arms, or died
 
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Hi Jamie

When you say "open shop", do you mean a shop that is open to a community of turners who are not receiving instruction, but working independently?
Not exactly, but close. Details in a separate post in a couple days. It's "the wee hours" and I won't be back before Wednesday night or Thursday.o_O
 
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Hi Jamie! I am very new to the AAW and this forum, but back in the day, after reading (and re-reading) Dale Nish's books, I did a lot of stave bowl construction. I recall one particular situation when I was putting the finishing cuts on a bowl with thin curved sides at relatively high speed, it exploded before my mind had a chance to process what happened. I finally found a piece of the bowl at the other end of the shop -- it had flown through a very heavy curtain like it wasn't even there. If in the line of fire, it would have put the hole in my thorax!... I am sure everyone has "war stories" and don't mean to bore folks here -- the point is that you may want to have some mention of the special dangers with thin-walled, stave-constructed bowls on your list....

73 Ely
 
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AWARENESS, AWARENESS, AWARENESS of which SPEED is only one element. I am in no way minimizing the importance of proper speed. Whether one is hit with wood spinning a 800, 1000 or 1500 rpm, it’s going to hurt, or at least scare him/her. The better idea is to not get hit in the first place. And that comes from being aware of what you’re doing and what is going on around you-like jaws extending beyond the chuck, strange noises, the tool not cutting correctly, etc.

The AAW Safety Guidelines is excellent; it’s very comprehensive. Thank you Mark for posting. Many of the items in that list are common sense and should become habitual - although I don’t think I’ve ever seen a turner shut of the lathe when moving the tool rest. I my opinion an instructor should go over this list in class and then reiterate the rules, consistently as stated in the list, when they are relevant during the class. Hopefully then these rules will become a habit.

Keith Rowley in this book Woodturning, A Foundation Course listed these six laws of wood turning:
  1. The speed of the lathe must be compatible with the size, weight and length of the wood to be turned
  2. The tool must be on the rest before the whirling timber is engaged, and must remain so whenever the tool is in contact with the wood.
  3. The bevel (grinding angle) of the cutting tools must rub the wood behind the cut
  4. The only part of the tool that should be in contact with the wood is that part of the tool that is receiving direct support from the toolrest.
  5. Always cut ‘downhill’ or with the grain
  6. Scrapers must be kept perfectly flat (in section) on the toolrest and presented in the “trailing mode”, i.e. with the tool handle higher than the tool edge. (I know this doesn’t account for shear scraping)
What I like about this list is that it’s short, only 6 items and they cover actions while turning at the lathe.

My personal list is:
  • NEVER turn without a face shield. If the lathe is on, the shield is down.
  • Always set the speed to zero, if possible, before turn on that lathe.
  • Don’t turn when tired.
  • Pay attention
  • And all the above, many of which are habits, or goals, for me.
I hope this helps.
 

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As you pointed out the 6 rules don't work for shear scraping.
3&5 have exceptions in face work.

Always cut ‘downhill’ or with the grain
This fine for spindle turning.

Gives the cleanest surface in face work.
However " all generalities are false including this one" applies here.
There are lots of times where this rule does not hold
1 purposely violated - cutting bark to foot on the outside of a NE bowl To keep the bark
2 when it is not possible - hollowing an endgrain piece with a gouge - can't cut from bottom center to the rim.

The bevel (grinding angle) of the cutting tools must rub the wood behind the cut
There are some cuts that do not rub the bevel. A roughing cut with the side ground gouge.
Back cut with the side ground gouge.

And if you drill with a gouge #2 does not apply as the gouge must not bind on the rest as it drills.
 
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Speeding up the rpm can, in some cases, result in a better cut.....but, this has limitations. There is a point where an increase of rpm will not result in a cleaner cut. Other factors can include vibration, sharpness of the tool, and the skill level of the turner. All these factors need to be a part of the overall equation......rpm isn't the only factor to consider.

-----odie-----
 
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As you pointed out the 6 rules don't work for shear scraping.
3&5 have exceptions in face work.


This fine for spindle turning.

Gives the cleanest surface in face work.
However " all generalities are false including this one" applies here.
There are lots of times where this rule does not hold
1 purposely violated - cutting bark to foot o
As you pointed out the 6 rules don't work for shear scraping.
3&5 have exceptions in face work.


This fine for spindle turning.

Gives the cleanest surface in face work.
However " all generalities are false including this one" applies here.
There are lots of times where this rule does not hold
1 purposely violated - cutting bark to foot on the outside of a NE bowl To keep the bark
2 when it is not possible - hollowing an endgrain piece with a gouge - can't cut from bottom center to the rim.


There are some cuts that do not rub the bevel. A roughing cut with the side ground gouge.
Back cut with the side ground gouge.

And if you drill with a gouge #2 does not apply as the gouge must not bind on the rest as it drills.

n the outside of a NE bowl To keep the bark
2 when it is not possible - hollowing an endgrain piece with a gouge - can't cut from bottom center to the rim.


There are some cuts that do not rub the bevel. A roughing cut with the side ground gouge.
Back cut with the side ground gouge.

And if you drill with a gouge #2 does not apply as the gouge must not bind on the rest as it drills.

As you pointed out the 6 rules don't work for shear scraping.
3&5 have exceptions in face work.


This fine for spindle turning.

Gives the cleanest surface in face work.
However " all generalities are false including this one" applies here.
There are lots of times where this rule does not hold
1 purposely violated - cutting bark to foot on the outside of a NE bowl To keep the bark
2 when it is not possible - hollowing an endgrain piece with a gouge - can't cut from bottom center to the rim.


There are some cuts that do not rub the bevel. A roughing cut with the side ground gouge.
Back cut with the side ground gouge.

And if you drill with a gouge #2 does not apply as the gouge must not bind on the rest as it drills.

I agree with everything you said. But for a beginner, I think the above rules are a good starting. When I started, I had no mentor. I only had Keith's book, a delta mini lathe and some tools-the Sorby Set. His laws and the rest of his book got me comfortable around a lathe and turning tools-including the skew chisel.
 
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