Advice please

[D-man]

Ah ok


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[D-man]

I will give that a go cheers lads


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[D-man]

I've just done a movement with your settings 86.0215 and it moves 55 mm when asking it to move 50. So I'm nearly there.

Last time I think I mucked up


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[D-man]

I can just get in to measure it when I lower it, what am I measuring? I know the screw dia just need the pitch for the steps per


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[mekanik]

You could get a rough indication with a pair of dividers, if you set them to the narrow groves between the ball ways, ie on the OD of the screw. Then do as M-C instructed and use a dial gauge to get the actual distance traversed.

[m_c]

I can just get in to measure it when I lower it, what am I measuring? I know the screw dia just need the pitch for the steps per

For a metric screw, you measure the distance between each thread/ball track.
For an imperial screw, you measure the number of threads/ball tracks over an inch.

[JAZZCNC]

measuring gaps won't help if it's multi start which often are. Best way is try to mark the screw and rotate 1 rev and measure distance. Chances are it will 5mm or 10mm pitch so easy to see which.

However if your still using mach3 then it's simple really just let mach work it out for you using Set steps per in the settings tab.

[D-man]

measuring gaps won't help if it's multi start which often are. Best way is try to mark the screw and rotate 1 rev and measure distance. Chances are it will 5mm or 10mm pitch so easy to see which.

However if your still using mach3 then it's simple really just let mach work it out for you using Set steps per in the settings tab.

Bang on my mate! 5mm I took a chance and it was bob on!


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