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Crimper Calibration - How do you Control & Calibrate your crimpers?

Falcon419

Starting to get Involved
#1
How do you control & Calibrate your crimpers? Do you control crimpers that are used for New Build Manufacturing differently than those at are used for repair?
 
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Falcon419

Starting to get Involved
#5
We use a variety of hand crimpers to apply ring terminals, sockets, pins....
We are currently researching all specs and compiling them. We are an ISO certified company and I was just curious how other companies control hand crimpers. Is it a requirement to log and calibrate all crimpers for both new build and repair? Some crimpers do not have specs on file, have companies utilized the UL crimp specs as a base for those we are unable to locate?
 

Miner

Forum Moderator
Staff member
Admin
#6
Unless these crimpers are also measuring the final crimped dimension, there should be no need for calibration. They may need a preventative maintenance plan. However, the gage used to measure the crimped dimension would need calibration.
 

Jim Wynne

Staff member
Admin
#8
We are currently researching all specs and compiling them. We are an ISO certified company and I was just curious how other companies control hand crimpers. Is it a requirement to log and calibrate all crimpers for both new build and repair? Some crimpers do not have specs on file, have companies utilized the UL crimp specs as a base for those we are unable to locate?
You have to define the performance expectations of the crimping process somehow, although calibration as such isn't an issue.
 

optomist1

A Sea of Statistics
Super Moderator
#9
a few suggestions:
1) today more than ever electrical connections are a relatively simple but crucial component in vehicle system(s)
2) Access to "Crimpers" should be controlled as they are a key tool, so access should be controlled via a cabinet and a access limited to a shift supervisor....experience has shown that an unwitting employee may use what "appears to be the correct crimp tool and/or crimp die-set", only to find out later it was the wrong tool + die set. As many different die sets can be used on the same tool
3) In addition to Jim's great counsel above, many applications require a sample of crimps to be sectioned and visually examined to confirm a proper crimp
4) The above items aside, they should be controlled and subjected to periodic preventative maintenance to insure proper operation and long life
 

somashekar

Staff member
Super Moderator
#10
You validate it periodically, or perhaps daily before use, looking into proper selection of the die slot, the stripping of the wire per standard, and after crimping., the pull force, the crimp height, any conductor damage post crimping, and in some cases the grip over insulation as the case may be.
 
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