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GR-WM2 replacement? #20

@kssummer

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@kssummer

Is it possible to source the GR-WM2 somewhere? Or is there a suitable replacement?

Looks like the carriage motor has been discontinued: https://gimsonrobotics.co.uk/categories/dc-electric-motors/products/gr-wm2-24v-dc-rs-595-motor-with-152-1-gearbox?fbclid=IwAR0d2dX7y88nv4W90gfV4aULetfhDwCAWDCMk14pTz_aJ7J1FpBhlCw4sK0

They have a replacement, but it has some issues:
(a) the motor (gearbox) mounting holes are only on one side, which might not allow for enough support from the 3D printed mounts
(b) I expect the shaft won't be lined up the same as the GR-WM2. The belt needs to be driven vertically to move the carriage, which means we'd have to redesign the CAD to line up the motor, idler, and carriage.

Issue (a) isn't that big of a deal, I could fab a piece of aluminum/steel to securely mount the motor, but issue (b) is a big deal for me. It requires some CAD redesign I don't have the chops for. Also, I expect any replacement will have this same issue unless the shaft offset is exactly the same.

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