Thursday, 22 March 2018

Re: [7x12minilathe] Re: Mini-Mill CNC, First Test of X-Axis.

 

Dick,

A stepper should run relatively cool if it's being powered appropriately. On my projects I usually adjust the current downward until the motor starts missing steps under a heavy load, then bump it up 50% from there. I haven't had any problems with heat.

Tim

On Thursday, March 22, 2018, 8:17:59 AM EDT, old_toolmaker@yahoo.com [7x12minilathe] <7x12minilathe@yahoogroups.com> wrote:


 

Hi Chris,

That is simple enough. How does one size a stepper for a given purpose? Especially when one has no way to measure the forces expected?
I have understood how steppers work and hold position for years. They were on the first CNC mill I bought back in the 1980's. The downside is the heat they produce. Everything has pros and cons.

Dick

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Posted by: Tim Iafolla <iafollatim@yahoo.com>
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