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  1. #81
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    Quote Originally Posted by MrWild
    Ever think Lunatic and I might have loved this story?

    Dude, I got most of the parts to start assembling my CNC table. Too bad ur so far away. You could spit out thye first part.

    Sorry Dude, I would've thought for sure I told you about my adventures with the "Big Scary Machine"You would've really liked that one. Everyday (when it ran) was an adventure in cheating death...Flames shooting out from the motors or instantly filling the building with electric smoke. It was a really cool job. Make sure I tell you about my new adventures in high speed 3 axis milling with a really bad programmer.

    AS far as your machine..Well you just never know; I do have that gypsy thing stuck in my DNA and I've pretty much used up all of northern New England and the southern 3/4's of the east coast I just find offensive.
    So I guess it's time to start working my way inland



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    At work the band saw scares me the most because your fingers get the closest to the 'kill zone' than anywhere else, but at home it's my table saw, I don't use it much but when I do all I hear is the sound of the wind coming off the blade. It really scares the **** out of me.



  3. #83
    Member dertsap's Avatar
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    had an openator who was famous for crashing the virtical mills , at least 2-3 times a week i was forever fixing his mess up , one day he came to me and said he messed up the pallet changer , ,so i went over , when i looked inside the machine the 3/4 em didnt look right , at the time the light in the mc was burnt , since i was used to this idiot breaking everything he touched i decided to get a better look at this endmill so i grabbed the tool holder to turn the tool , turns out the spindle was spinning at 8000rpm for no reason that i m aware of , but i got lucky because i was reaching for the tool itself and decided to give the holder a spin to see the other side , at 8000 rpm the tool looked inadament it was just at the right speed , with the light off and the noise in the shop i couldn t hear the already near silent spindle turning
    my fingers took a thumping and that moron was close to a thumping as well , i think the rest of my body was tingling more than my throbbing fingers , TOO CLOSE


    recently i was holding a 60 pound part in a lathe chuck on the vertical mill , i was reaming 1" blind holes ,and the reamer packed up with chips and when the machine was homing it took the part with it , i hit the e stop and had this thing spinning at a couple hundred rpm at eye level before it lauched it to the back of the mc

    REAMERS SCARE ME and so do morons



  4. #84
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    Quote Originally Posted by swarfmacdaddy
    Jointer fer sure! I bought one to plane corian, and after about one attempt using some imaginative fingerboards i said *##k this! and sold it the next week. Didnt even mind losing money on it. Was real glad to have it out of the shop.
    Running corian on a jointer has to make a LOT of noise. A good push block with a jointer is mandatory.

    Gerry

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    JointCAM - CNC Dovetails & Box Joints
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    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


  5. #85
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    Default Not machining related, but scary stuff all the same...

    What's scary? A "Yoohoo" bottle... Seriously scary. Let me explain...

    Several years ago, my wife and I used to car pool to work together. We headed out to the car one afternoon (we both worked odd shifts), heading to her '96 Escort station wagon. The sun was bright, and it was around 90 degrees out. As we walked up to the car, it was "sparkling" inside. I commented to my then girlfriend, "That's weird, looks like glitter". The escort had the cargo cover (flap of vinyl) pulled out, between the back seat and the rear hatch. It was sparkling. Hmmm. We opened the doors to get in, and the car was "sparkling" everywhere. The seats were covered in shards of glass. Upon closer inspection, there were 2 pieces of glass embedded in the headliner, one about 1 1/4" in diameter, the other about 1/2" in diameter. There were scrapes all around the plastic at the floorboard of the passenger side front seat. On the floorboard laid flat upside down was a piece of a Yoohoo label and some pieces of glass attached. It had EXPLODED, completely and totally. The glass scrapes all over the plastic apparently where from when the bottle exploded, tearing the plastic as the gazillion pieces blew outward. The sparkling on the cargo cover? Glass splinters. The whole car was covered inside with fine pieces of glass, everywhere.

    My wife has a bad habit of leaving unfinished drinks in the car. She had left a half-filled glass bottle of Yoohoo in there, with a metal cap. Dairy product, it will ferment. Sunny hot days. It was an accident waiting to happen, a time bomb, if you will.

    What made it so scary? What if someone had been IN there when that happened? What if merely slamming the door shut to head to work would have caused that bottle to grenade?

    I bet it sounded like a gunshot when it went off.

    Tool-wise, I fear the innocuous Dremel w/ cut-off wheel. I've broken lots of those wheels. The first one was the scariest. Now, I stay out of the "shatter zone" when using it.

    I try to think about what I'm doing and make every effort to hold something or position myself in such a way as to minimize any potential dangers. I stand to the side of the tablesaw as much as possible. I have my sleeves rolled up always, no jewelry. No smock (I'm not in a shop), no gloves. No distractions (cell phone, wife, kids, radio, etc). No beer.

    I figure if the machine I'm working with is dedicated enough to do the work I'm having it do for me, the least I can do is to be dedicated to every moment of its use totally and completely. Tools have their own purpose, and by that purpose, their own mind. They do a task, typically cutting something. That's all they do, that's all they know. They don't listen to music, they don't drink, they're perfectly focused on their specific task. We are absolutely required to pay attention.

    Be safe, be smart, take precautions.



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    Default Scariest Tool

    Gotta be the tablesaw. Just went through a nightmare kickback and made it with all fingers and toes intact. Never, ever, ever, ever draw a panel back across a spinning blade no matter how tired you are. Drew blood this time.

    Attached Thumbnails Attached Thumbnails Scary Stuff-imag0042-jpg  
    Steve
    DO SOMETHING, EVEN IF IT'S WRONG!


  7. #87
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    I really try to focus on safety when Im working on my shop, Ive never had anything really bad happen, and I intend to keep it that way.

    Its pretty pitiful, but the scariest moment Ive ever had with power tools was probably grinding on a piece of probably .25" round steel in shop class in high school on a bench grinder. I wasnt nearly as respectful of the power of machines back then, and the grinder ripped the length of metal out of my fingers, and fired it out the back of the machine out those round "exhaust" ports some grinders seem to have. Luckily the teacher had forseen things like that happening, and there was a bent sheet of steel behind the grinder as a guard, the piece of metal hitting it sounded like a bullet.

    Again it sounds pitiful, but the only real injury Ive ever recieved while working that shook me a bit was getting one of those 3 foot or so metal levels dropped on my head from about 8 feet up while I was laying on the floor bolting an equipment cabinet down. That gashed open my forehead and left me pretty dazed.

    What was really irritating is that the guy that dropped the level on me knocked a ratchet off another equipment cabinet a few days later, I was in the exact same position but the ratchet missed my face by 6 inches or so. The guy was let go a few days after that for accidently shutting off a running cellular station.



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    I don't like electricity. I have a friend who was "jolted" by 40000 volts and lots of amps. As in town substation volts and amps. Chap in the control room swiched off the wrong substation. He remembers being wheeled into the hospital and then waking up later on in the day. He has a scar on his arm from when his wristwatch had melted but nothing else. He's fine now and we used to joke by asking him to tell us which one's a live wire in a bundle sticking out the wall. Of course you can tell by the colours (or the tester) but he'd touch each one in turn and proclaim "this one!" with a smile and we'd all break out in laughter. He once saw a colleague fried by 70000 volts at 2 meters height and when he hit the floor half his body mass was missing. The unavoidably funny bit here is he took out a tape measure (yes, your bog standard metal tape measure) to measure the distance between two live, BUZZING terminals.

    As far as machines are concerned currently I'm afraid of my router the most and whenever my cnc is running I hold the extension cord in my hand so I can yank it in case the router decides to run after me across the room or something.



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    I hold the extension cord in my hand so I can yank it in case the router decides to run after me across the room or something.
    Or becomes self-aware, who knows...
    Last time I used a dremel, just the sound scared me. Of course, that was some time ago, I was (am?) a chicken and now I use gloves & glasses. I still dislike hand drills, though.
    I guess holding the workpiece manually at the beggining of the routing is not reccomendable, then : P



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    eeek. gloves around spinning bits is something to consider carefully...

    Design & Development
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  11. #91
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    Default All this safety stuff...

    Hey, you guys are making me think a lot about things I do... Sharing like this is well worth while. I think this thread is where a lot of us need to spend some time and ponder a bit. Thanks to all who go and do it here... you're doing it well talking about the safety stuff.... read'n on...



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    Now days believe it or not the scariest thing to me is small metal shavings.And while I hate to sound like a candy ass its true.I had atiny I mean tiny sliver stick in my ring finger and cause blood poisining.I was in the hospital for over a week.My finger swolr to about 1 1/4 let me tell ya it was the worst pain I've ever had.I dont think it would have hurt any worse if I'd cut it off.



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    www.joescnc.com joecnc2006's Avatar
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    Quote Originally Posted by Traceycnc300
    Now days believe it or not the scariest thing to me is small metal shavings.And while I hate to sound like a candy ass its true.I had atiny I mean tiny sliver stick in my ring finger and cause blood poisining.I was in the hospital for over a week.My finger swolr to about 1 1/4 let me tell ya it was the worst pain I've ever had.I dont think it would have hurt any worse if I'd cut it off.
    Athree weeks ago i had one in my eye waited two days to go to med clinic hoping it would come out by itself, when i got to the med clinic they said rust had already started forming they had to take it out with a sharp needle if that did not work they use a small dremel like tool, a tiny bit that they could not get outwas left in and they said the body should desolve the rest in time. For over a week my eye hurt, watering and very sensitive to light, I'm glad it is 100% now and I got my 20/20 back.



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    Registered ImanCarrot's Avatar
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    Eeeeew! that is just horrible! steel chips in your eye... makes my toes curl up just thinking about it!

    I love deadlines- I like the whooshing sound they make as they fly by.


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    Default Scarry stuff....eye protection

    Man o man.... I hurt and it wasnt my eye.... Now, not to preach, eye protection is cheap... Eyes arent... I dont want anyone to hurt... glad your ok, please be safe and use eye protection... Ok, enough of the sermon stuff. Thanks for being transparent and sharing... You have helped me... and I am sure others who read.... this... Big Deal....yep, now safety protection is a little deal if you use it, so it don't become a BIG DEAL if you don't. joel.



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    Banned diarmaid's Avatar
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    I have ear protection and safety goggles....but to hell with that! First things Im buying for my workshop now is a full face shield and respirator....maybe (Probably) a chainmail apron...cheers folks.



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    The most scary thing I now own is my 16" Electric Chainsaw. As I told my better half two days ago, I 'had' to buy it, it was eeesntial!

    I dont own a van and had to move a mountain of props that I had built for a show her theatre school was putting on, so it was either buy something to chop them all up (They were finished with) or pay the same to hire a van. I bought a chainsaw

    Was going to get a sawzall....bad idea....glad the guy in the shop only mentioned their more expensive ones, it would have taken me all night! So I bought the chainsaw along with more safety goggles and earmuffs because I didnt have anything with me. I also bought an extension lead then found that the chainsaw came with 12m of lead anyway.

    A quick skim through the instruction leaflet and I was away....at least until the chain came off....then I spent 20min reading the leaflet properly to see how to put it back on. That was an interesting experience....chopping away on a busy city street, then I hear a weird scraping noise and look down to see no chain on the saw. I never used one of these and had never seen one being used so I kinda stood there for about 10sec checking that I was in one piece, then looked nervously around the street for the dismembered bodies of passers by! Then gingerly looking down I noticed the chain hanging from the saw...oops! Glad the manufacturers foresaw that eventuality before the chainsaw tried it.

    Anyway, I got the job done in one piece although I certainly respected the chainsaw even more afterwards, went home, and ditched it (By ditched I mean cleaned, oiled, carefully repacked and stored on a shelf ) in the garage. I gave the instructions a proper read through then and became more familiar with it. Im nervously looking forward to using it again!

    Moral of the story: Chainsaws demand respect. Before I use it again Im buying a chainmail apron or sawproof clothes. It cut the wood like the proverbial knife through butter and I have visions of it going in one side of me and out the other!!!



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    Quote Originally Posted by diarmaid
    ....Was going to get a sawzall....bad idea....So I bought the chainsaw...
    When you are cutting up wood which may have nails, screws or bolts in general it is a case of chainsaw = bad; sawzall = good. Sawzall may be a bit slower but you can get demolition blades designed for cutting through metal that may be in the wood. Hitting a piece of metal (nail, screw) with a chainsaw blade is very rough on the blade and can lead to very sharp fragments of teeth flying off.



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    this one really scared me

    this was on holiday over in morocco and my first experience machining i contracted the guy to make some copper parts and he needed me too stick around cause my intensions weren't all clear too him due too my limited designing skills and a language barrier anyway we got along quite well so i started helping him more and more and at a surtent time he asked me too come take a look if he was doing a good job

    right now he was milling the outside of the part to final dimensions but to be able to reach this part it didn't really alow for proper holding/clamping and it was bolted down with bolts and washers 4 of them as 2 on each side so when i bent over too get a closer look at my almost finished part i decided too just blow some chips away that were in the way when the unimaginable happened
    as he reversed his cutting direction <---- to ---> the part sprung loose from two of the bolts, bent one and just miracally was grabbed by the last intact bolt leaving the workpiece lookin me straight in the eyes on a 5inch distance with a grim smile saying i would a loved wiping that smile of a your face boy

    the lesson learned ;serious clamping is a MUST if you wanna go home in 1piece and never trust a metalcutting machine while running with your life but turn off the spindle before even coming close with bodyparts



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    Default safety is as how safe you are....chain saws

    One time years ago when i was operating a farm, i hired a couple of local boys to help me, big strapping types used to doing work. The were familuar with chain saws and work as was I. We were working on dropping some trees to cut up for winters fire wood as we heated and cooked with wood.

    This tree we were working on is near another tree which had a widow maker way up high and we did not see it. The older boy was trimming the downed tree reading it for slicing to firebox length when one of the trimmed limbs I was working on fell and hit the tree with the widow maker in it. The broken limb from up high fell and hit the llimb the boy was working on and it took the saw into his thigh. it sliced it open better than a surgean could do. It layed it open so you could see the covering to the mussles (sp) protected by a thin layer of white flesh.

    We got him to the hospital as no major veins were cut. Moral... now where is the moral...

    Well, i have cut a lot of wood in my 60 plus years and i can tell you, chain saws are one of the worst (and handiest) pieces of equipment ever made for safety, their is just no perfectly safe way to use them. JUST REMEMBER, their is no mercy in a chain saw and no situation is safe, NEVER. Wear every piece of safety equipment you can find and the cost of safety is never to high, NEVER!

    Oh, the boy, well he is a man and I believe the injury never kept him from starting foot ball and as a running back, he did quite well that year...



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