Lead Screw Pitch 🇬🇧

22 avr. 2020 13:31

Hello,

the 8mm lead screw with 2mm pitch that I found only on AliExpres has long shipping time to the country I live in, but I found good shipping time on Motedis, I only found there 8mm lead screw with 1,5 pitch https://www.motedis.com/shop/Dynamics-linear-units/trapezoidal-threaded-spindle-accessories/trapezoidal-threaded-spindle/Steel-Trapezoidal-threaded-spindle/Trapezoidal-threaded-spindle-RPTS-right-TR-8x15-L%3D1980mm::4790.html

From logic I deduce that this 1,5 mm pitch will move the axes at a smaller speed than the 2mm pitch. In this case will the nema 23 be a better option to increase the speed? I understand that nema 23 is stronger than nema 17, but is it faster also?

Thank You!

18 mai 2020 22:18

I'm a bit confused with your screw talking...

So - T8 x 8 with a 2mm spacing is good..? not good..?

Obviously, we don't know the next steps for the Nema23 version yet...

Would it be worth beefing the screws up now.. different width/pitch/spacing... to accommodate the new hardware and controllers..?

or just buying beefier screws now...?

I intend to make a 1200mmx1200mm square machine... any help or links now would be fantastic

Thanks in advance

Jason

18 mai 2020 22:27

Following on from above...

a https://www.motedis.co.uk/shop/Dynamics-linear-units/trapezoidal-threaded-spindle-accessories/trapezoidal-threaded-spindle/Steel-Trapezoidal-threaded-spindle/Trapezoidal-threaded-spindle-RPTS-right-TR-12x3-L%3D1980mm::999994801.html

nearly 2m for pocket change... with ali charging £45 + shipping...

Am i missing something here..?

and if I could use this... could i use the nema 17's and upgrade the motors/controllers later..?

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