Grade 1 Block Gage Calibration Master

A

azamiruddin

#1
Hi everybody,

I am the new person incharge of company's Metrology Lab, and want to perform a few improvements by reducing our master devices/calibrator that required us to sent to external calibration house.

Currently we have 81 sets grade 1 block gages that is a master for vernier caliper. I need help from all members here, what is the best devices to calibrate this grade 1 block gages? can somebody give me guide where to find it.

Thanks in advance. :eek:
 
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Jim Wynne

Leader
Admin
#2
Hi everybody,

I am the new person incharge of company's Metrology Lab, and want to perform a few improvements by reducing our master devices/calibrator that required us to sent to external calibration house.

Currently we have 81 sets grade 1 block gages that is a master for vernier caliper. I need help from all members here, what is the best devices to calibrate this grade 1 block gages? can somebody give me guide where to find it.

Thanks in advance. :eek:
Do you mean you have 81 sets of blocks, or one 81-piece set? Do you have vernier calipers, or are they actually dial or digital ("vernier" refers to the measurement scale)?

In any event, grade 1 might be overkill for caliper calibration, and depending on a lot of circumstances not in evidence, you might be able to calibrate them in-house if you have another device (e.g., a CMM or laser mic) of sufficient resolution and precision. In general, it's usually best to send them out, especially if it's just one set.
 

BradM

Leader
Admin
#3
Jim pretty much covered many of the thoughts that I had. Too, let's say that you choose to continue having your gauge blocks verified from an outside source. You may not need all 81 blocks verified. If you only use... 15 of them (for example), you can just get those 15 verified. Of course you would need to segregate them somehow.

You could then buy an additional 15 to have while one set is out for calibration.
 
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