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#32
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01-08-2015, 08:44 PM
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 (",) Poster Rank:215 Childbearer Join Date: Apr 2009 Posts: 6,714
Contributions: 4
Mentioned: 7 Post(s) Quoted: 1297 Post(s)
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Re: Well, He IS Wearing His Safety Glasses.
must have forced the cutting pace. im told the spin limit are only correct if the cutting pace is not too hurried. but if you try pushing the spinning disc too much against what you are cutting, the disc is liable to bend, twist and break. Next time, let the disc bite at an easy pace. more time and electric consumption but its safer  |
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#33
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01-08-2015, 08:48 PM
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| (",) Poster Rank:215 Childbearer Join Date: Apr 2009 Posts: 6,714
Contributions: 4
Mentioned: 7 Post(s) Quoted: 1297 Post(s)
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Re: Well, He IS Wearing His Safety Glasses.
But seeing that it was a handheld cutting disc, i betting more on the possibility that the user experienced an unsteady/loose grip while the disc was halfway through the thing he was cutting,
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#36
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07-02-2015, 09:19 AM
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 ★ Legacy Member ★ Poster Rank:569 Female last I looked Join Date: May 2015 Posts: 1,700 Mentioned: 14 Post(s) Quoted: 831 Post(s)
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Re: Well, He IS Wearing His Safety Glasses.
I didn't know what it was  tried to think of how a CD could come flying out the CD player. |
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#38
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07-15-2015, 02:51 AM
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 ♚ Legacy Gold Member ♚ Poster Rank:253 Join Date: Dec 2009 Posts: 5,495
Contributions: 8
Mentioned: 3 Post(s) Quoted: 1188 Post(s)
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Re: Well, He IS Wearing His Safety Glasses.
I can tell this guy was inexperienced. See the rough hole in the middle of the disc? There should be a thin sheet metal plate (see pic) there for the lock nut to tighten onto. It's not there because he either used the lock nut intended for a grinding disc (this is a cutting disc), or didn't fit the required washer (pic below). This results in uneven distribution of clamping force on the thinner, lighter (and therefore faster) disc which then warps and explodes at high RPM.  ·  · |
