working with icd

I am a machinist by trade and in my work use a large surface grinder which has a magnetic surface area of aprox. 2 feet wide x 5 feet long with a thickness of 3-4 inches will something like this affect my icd I would be within very close contact with the surface many times throughout the day.

3 Comments

It depends n...

by donr - 2017-01-22 10:36:03


...the particular chuck that you have.

Soi far in life, you have never cared about the chuck because you had nothing that it could affect.  Now the world has turned upside down - your PM cares! 

Here's what to look for - you have to determine if yur chuck will affect YOUR PM/ICD or not.  That's a pretty darned big magnetic surface you have - BUT - how large are the chuck poles?  Is the entire surface magnetized?  You are obviously operating on extremely large pieces of material, but the chuck is not always on.  It can't be, or you could never remove a piece of work! 

Your magnets must be disengaged (Turned off) while you emplace or remove the objects to be machined. So there should be no effect on your PM/ICD during that phase of the operations.  The only way to find out is to engage the help of another machine operator - have them make sure that the magnets are "turned off"  & approach the machine slowly & carefully.  You will know if the magnet's residual field affects your device - it will slip into test mode & you will feel "Funny."  If that happens, step back & the feeling will go away.  Then have your helper attach a workpiece to the bed & turn the magnets "On."  Here's the questiuonable part of the problem.  If the magnetic systewm is well designed, the magnetic pole heads should be located such that ALL the flux is contained in the workpiece.  That is for max magnetic hold down force & efficiency of the system.  Again, approach the machine slowly & see if you feel any effect on your device.

Your company mmay have a safety section that has magnetic field detectors that can help you deterrmine if the machine has any deleterions aeffect on your device.

From a former manager of industrial operations - If anyone in your company gives you the first bit of CRAP about your problem, go find a good labor lawyer who knows the ADA (Americans with Disabilities Act) & sue the crap out of the company. You have a "Disability" that requires that they afford you "Reasonable Accomodation" of your disability.  It is not at all unreasonable that they help you determine if the machine really does affect your device.  I really susp[ect, up fromt, that it will/should not.

Donr

reply

by tincanalley - 2017-01-23 02:15:18

Don thank you for your reply I appreciate it and you brought some thought into my job  with the magnet being on and off never even thought of that but it is on at the times when i have a piece of materail on the surface and need to take measurments on it and that would put me very close to the surface within inches of the table. I will try your suggestion of getting close and see what happens although I hate to be the guinea pig.

Beeping

by Bernie65 - 2017-05-28 14:06:18

I don't know about any others, but my ICD will start beeping if I am too close to a magnet.  First time it happened, I didn't know what was going on, didn't even realize where the sound was coming from, lol.

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