Spacing front centerline to the bearing hole is 20.25mm. I experimented with different dimensions for fit. The design of the carnage allows the arms to bend slightly keeping tension the rail. The bearing hole is for a 5mm bolt and between the carriage car and y-style carriage are 2 - M3x12 bolts.
There is minimal play if you physically grab the car and twist and zero play when the machine is printing.
Just wanted a clean minimal design.
They print fast so can always be changed out if they ever get loose, though been printing for a couple weeks and no noticeable change.
You Need (per carriage):
4x M3 nuts
2x M3x25 bolts (to arms will vary depending on your joints)
2x M3x12 bolts
3x M5 nylock nuts
3x M5x10 spacer
He3D Delta 180
I use Cura Type A so infill is a spacing and use there 3D infill though it doesn't really matter for these parts.
Y-style carriage wall thickness to 1.6mm
Carriage wall thickness 1.2mm (standard I print with)
Printed using PETG as its my new favourite material.
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