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Heavy CMM Fixture Loading Methods

I have a question for you all again.

So I have quite a few fixtures that weigh between 100-300 lbs and loading them on the CMM always requires pulling help from outsiders. I try to use the same people since they already know the importance of caution and careful placement but I would prefer a one man method. Now an engine hoist would work in most cases and I have used them in the past however gages always swing around and while I could most likely control it the 2nd shift operator is a small, older woman that would struggle with the heavier fixtures. Also, Murphy's Law will eventually take out the CMM or damage a fixture.

What are some methods you all have used for putting heavy things on the CMM by yourself that you felt was safe and controlled?
Parents
  • A crane is totally the way to go. If your company is willing to invest in one make sure to get one with different speeds. I once had a crane over a CMM that just had one speed, there was no way to gently place items on that table with that. The QM witnessed a few heavy parts being put on the machine and immediately ordered a 2 speed crane. Way better.

    If your company is cheap, I like louisd's alternate suggestions.

    We don't have any cranes where I work now. It sucks. We recently had to load a large 4000lb part on a CMM using a fork lift with a boom. The part took up just about all the measuring volume. Scary Astonished! I was hopping it was just a one-off, but I was in a meeting yesterday to discuss manufacturing issues to address on future runs of the part Disappointed
Reply
  • A crane is totally the way to go. If your company is willing to invest in one make sure to get one with different speeds. I once had a crane over a CMM that just had one speed, there was no way to gently place items on that table with that. The QM witnessed a few heavy parts being put on the machine and immediately ordered a 2 speed crane. Way better.

    If your company is cheap, I like louisd's alternate suggestions.

    We don't have any cranes where I work now. It sucks. We recently had to load a large 4000lb part on a CMM using a fork lift with a boom. The part took up just about all the measuring volume. Scary Astonished! I was hopping it was just a one-off, but I was in a meeting yesterday to discuss manufacturing issues to address on future runs of the part Disappointed
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