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Z Axis Calibration for Disc Stylus

MatthewHaines
We have recently purchased a 6-way module and I want to experiment with a custom disc probe (bore too small for a star probe). Is it possible to measure undercut widths using a disc probe? (touch down, take a point, pull up, take a point, distance between them etc)

If so, how do you calibrate it in the Z axis so it calculates the maths correctly?

I received an email from Hexagon saying to try turning off probe compensation, doing the features, then add on the disc thickness to the distance result as an assignment. However, I haven't quite got the hang of doing assignments in all my youthfully ignorant glory, so can someone talk me through that?

Even if the undercut widths can't be measured, at least I can learn how to do the assignments (correctly) out of all of this.

We have PCDMIS 2013.

Our programmer left the company, and the 'people upstairs' decided to make me take over. Slight problem with this... I have zero engineering or even programming experience (which they knew). I actually started here as a labourer after Uni, so either this is one h*ll of a lucky break or a worst nightmare. So don't pull any punches, I need to learn and learn fast.
Parents
  • I had an opportunity to join a local company as a receiving inspector because a close neighbor was the Quality Manager there and asked me to consider. Things moved rather rapidly from there. That was 14 years ago. Our company purchased a manual CMM and was looking for someone to learn how to use it. I jumped at the chance.

    Short sighted economics has meant our government shut down most of our skills schools decades ago. Trying to get someone under the age of 50 that knows how to set a machine (for example) is near on impossible. We can give you 1000 bankers at the click of a finger, but an engineer? Good luck with that. Because of this our company has an ageing workforce. It's so bad we could lose 3/4 of our staff within 10 years. Luckily this means I am being given every opportunity to learn whatever necessary to take over. I started Uni just before the big recession started. I was all set to become an Officer in the Royal Marines, but with the recession came a massive hole in public finances and before I knew it they had put off my enlistment so often I found myself at graduation. I took any job I could to pay the bills until the Navy reopened enlistment. Hence why I started as a labourer. The boss made me an offer which had better financial benefits than the military and meant I could spend more time with my then new born son. Shall see where this path takes me.

    As for the dental putty, I will give it a go. No harm in trying.
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  • I had an opportunity to join a local company as a receiving inspector because a close neighbor was the Quality Manager there and asked me to consider. Things moved rather rapidly from there. That was 14 years ago. Our company purchased a manual CMM and was looking for someone to learn how to use it. I jumped at the chance.

    Short sighted economics has meant our government shut down most of our skills schools decades ago. Trying to get someone under the age of 50 that knows how to set a machine (for example) is near on impossible. We can give you 1000 bankers at the click of a finger, but an engineer? Good luck with that. Because of this our company has an ageing workforce. It's so bad we could lose 3/4 of our staff within 10 years. Luckily this means I am being given every opportunity to learn whatever necessary to take over. I started Uni just before the big recession started. I was all set to become an Officer in the Royal Marines, but with the recession came a massive hole in public finances and before I knew it they had put off my enlistment so often I found myself at graduation. I took any job I could to pay the bills until the Navy reopened enlistment. Hence why I started as a labourer. The boss made me an offer which had better financial benefits than the military and meant I could spend more time with my then new born son. Shall see where this path takes me.

    As for the dental putty, I will give it a go. No harm in trying.
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