Laser Micrometer

Can anyone recommend a laser micrometer that they have had good luck with? I need to measure 1.5" OD in a production grind operation off the machine.

Yes it's a large run of parts. The tolerance is pretty tight +\- .0003. I know they are not cheap

Gordon,

I can surmise what a capability analysis is but if you could explain it better I would appreciate it. I have never done one. Thank you very much.

We have used them and they work great. +/- .0003 shouldn't be any problem for them to measure. I have a new one that we have never used that is available. It's a Micro-Epsilon optoCONTROL 2600. Here is a link. High Speed LED Micrometer | Micro-Epsilon America

Jake

Thank you for the reply, Gordon. It is very helpful.

I'm using a Keyence laser micrometer for some parts (an old model from ebay) and i'm very satisfied.

How do these things work? If you put a cone shaped object in one, what would it measure?

G-Auto --

A couple of decades ago, one of my wife's friends invited us to her family's Christmas party. We went, and in talking with her father-in-law, I learned that he worked for one of the major government defense contractors as a "captive consultant" specializing in manufacturing and machining technology. Since I put bread on my table as an alignment engineer, we talked shop.

During the course of our conversation, he told me that a significant portion of the process-capacity testing done at his employer's plants that showed machines to be "not process capable" were defective, and falsely identified process-capable machines as defective because of unrecognized setup or maintenance errors. He said the biggest single culprit was a low fluid level -- either coolant or lube oil -- but loose hardware in one or more of the machine's load paths that allowed slipping or vibration was also fairly common.

In the years since, I've concluded that the man taught a whole college-course worth of lessons in a few minutes of chit-chat.

John

John Garner said:

he told me that a significant portion of the process-capacity testing done at his employer's plants that showed machines to be "not process capable" were defective, and falsely identified process-capable machines as defective because of unrecognized setup or maintenance errors.

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It's always easier / cheaper / faster to find the fault than to find the cause of the fault.

- Leigh