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CR10-Max - Dual Y motor brackets

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Stepper motor mounts for converting the CR10-Max to dual motor instead of the one stepper it came with from factory.

Updated at source: Jul 17, 2024

Model information

Being stuck at 1300/1500 acceleration with the original dual shaft stepper sucked!

So i took some inspiration from the CR10-S5 which used a similar setup with one stepper.

This helped a lot and i'm now running 3500 acceleration with 450 velocity

This reuses most of the original parts.

BOM list:

2x NEMA17 SUPER POWER (42STH48-2804AC) S35

2x D5 GT2 20T toothed pulleys

One of each bracket (normal and mirrored)

2x 7.5mm Pulley spacers

2x M4x30 DIN912 bolts

16x M4x12 DIN912 bolts

16X M4 T-Nuts

8x M3x10 ISO7380 bolts

4x M3x50 bolt (for mounting the dampers to the steppers)

2x M4 nuts

3 meters of new 10mm GT2 belt (old belts are to short)

Two of the old idler pulleys from the Y bracket

4x Nema17 dampers

I printed the brackets in PETG-CF.

4 walls

5 top layers

5 bottom layers

40% infill

I'm using two 60mm fans to cool the steppers.

The mounting plate i used for that can be found here: