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Z axis progress pictures. 17826178271782817829

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The revised plan for the twin ball screws is to drive them from one motor with a long belt as shown in the image. The plan is two use two idler pulleys one of which will be fixed. I have...

I can't help with profile suppliers but you can cut those shapes with basic tools. Cut the aluminium on a bandsaw close to size and then finish the edge using a hand held router and carbide cutters....

Yes to some degree they do but that means they are also under bending forces and linear rails don't tolerate much error and will bind. The Z axis is THE MOST IMPORTANT piece of the machine so if you...

The EM806 is upgraded AM882 but there's not a massive difference between them in performance terms. The AM882 can be bought much cheaper so I'd go with those.

Clives correct Bosch Rexroth 45 x 90 slot spacing matches the hole spacing in the BK/BF12 bearings. If using Item section then you'll need spacer plates.

10mm Ali is too thin 15mm is the minimum...

Which drives are you going for when you say 60V AM882 or EM806 about 68V would be better.

If I am not mistaken 90 x 45 and 180 x 45 work better with the BK/BF bearing blocks. But Dean...

Yes, ZA preload. BST Automation aliexpress, Fred if you have not figured the provider. You could use my name as reference and he will give you the right prices. Most of the people here buy the stuff...

20mm is good because they are much easer to mount than the 15mm especially on the Z.

Zapp motor are a good buy...

No good or Bad about it really just 20mm are easier regards fitment etc but 15mm will still easily handle any forces.



Think you may have got that wrong way round but if not then don't buy...

Dig deep because worth every extra penny.



Remember Inductance not all motors are the same even if same Nm rating.



Don't Full step action will be rough and Don't really think of Micro...

A Tutorial on motor torque calculations

A question oft asked on MYCNCUK is "how big a motor do I need?". There is no simple answer to this, and the options are usually:
a) follow someone elses...