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Author Topic: Offsets :)  (Read 1380 times)

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Offline Davek0974

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Offsets :)
« on: September 15, 2016, 02:27:27 AM »
I learnt a Bridgeport specific lesson yesterday, it was free too ;)

Spent an hour trying to figure out why my G55 offset I had set up for a groove in my almost permanently mounted vise had shifted about 50mm in the Y. Totally stumped, tested it, tried adding new offsets, these all worked, co-ax indicator on a mounted shaft showed 53mm shift in Y only :(

It wasn't until the penny dropped that i remembered sliding the ram out to get a better position in readiness to machine my sub-table - D'oh!

So, that got me thinking, offsets are pretty much useless on a flexible machine like the Bridgeport - any movements in the head will instantly wipe out all offsets saved and if not remembered, could be expensive in bent tooling.

The one that WILL bite me is the semi-auto manual tool change on the engraving head - this uses a fixed touch-plate to gain the height offset and its location is stored in the setup pages.

Need to put a large sign on the head-shift bolts i think.
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives.
Plasma table, Mach3 V062, Step motors, C&CNC THC.
Re: Offsets :)
« Reply #1 on: September 15, 2016, 06:55:55 AM »
or a jack in a box with a boxing glove on a spring that shoots out and bonks you if you do stuff wrong

am I allowed to say bonk anymore its been 35 years since i lived in the UK

Offline Davek0974

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Re: Offsets :)
« Reply #2 on: September 15, 2016, 07:06:00 AM »
LOL, yes we still bonk ;)
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives.
Plasma table, Mach3 V062, Step motors, C&CNC THC.

Offline RICH

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Re: Offsets :)
« Reply #3 on: September 15, 2016, 07:20:02 AM »
Showing your age folks....... ;D

BTW, it's good to use these words as the latest generation dose not know what your saying and one can enjoy that look
on their faces. :D


RICH
« Last Edit: September 15, 2016, 07:24:31 AM by RICH »
Re: Offsets :)
« Reply #4 on: September 15, 2016, 06:50:45 PM »
It's all relative!