Metric Unit Part List

Mostly Printed CNC - MPCNC Troubleshooting
1

This is a part list for the international edition in metric units. These have been tested and verified using PLA printed parts.

Complete list (what you have to buy)
Example: M4x20 means the thread of the bolt has an outer diameter of 4mm and a length of 20mm (head not included).

M3-Parts

  • 20x M3x10 (for NEMA 17)

M4-Parts

  • 2x M4x10
  • 2x M4x16
  • 26x M4x20
  • 4x M4x20 (with small heads, as they have to fit within the tool holder)
  • 34x M4 nut

M8-Parts

  • 1x spring (with 8mm inner diameter)
  • 1x M8x30 coupler nut
  • 1x M8 all thread (length depends on desired z-axis)
  • 28x M8x30
  • 4x M8x40
  • 8x M8x70
  • 4x M8x80
  • 1x M8 nut
  • 44x M8 lock nut
  • 8x M8 washer (8mm inner, 15,7mm outer diameter)
  • 8x M8 washer (8mm inner, 26,8mm outer diameter)

List of parts where they are needed
corner block (x4)
4x M4x20
4x M4 nut

roller f (x4)
4x M3x10 (for nema 17)
2x M4x20 (roller lock to roller f)
2x M4 nut
3x M8x30 (608z to roller f)
2x M8x70 (washers, 608z, motor-mount to roller f)
5x M8 lock nut
2x M8 washer (8mm inner, 15,7mm outer diameter)
2x M8 washer (8mm inner, 26,8mm outer diameter)

z-axis (x1)
4x M3x10 (for nema 17)
2x M4x10 (rigid coupler)
2x M4x16 (z_motor_mount)
4x M4 nut
1x M8 all thread
1x M8x30 coupler nut
1x M8 nut
1x spring (8mm inner diameter)

middle z (x4)
2x M8x30
2x M8 lock nut

middle end (x2)
2x M8x30
1x M8x40
3x M8 lock nut

middle joiner (x2)
2x M8x30
1x M8x40 (with this bolts the both middle joiner will be mounted together)
3x M8 lock nut

mounting middle z, middle joiner and middle end (x2)
2x M8x80
2x M8 lock nut

attaching z_lock_nut (x1)
2x M4x20
2x M4 nut

mounting tool holder to tool holder nut trap (x2)
2x M4x20 (with small heads as they have to fit within the tool holder)
2x M4 nut

2

These parts are additionally needed:
2x M4x20
2x M4 nut
You need these screws to tighten the tool holder.

3

hello im pretty new to this… is the diameter of the pipe the same? (23.5mm)

im finding it difficult to find in portugal with that size

4

Looks like the Metric version uses 25mm OD pipe.

This page on thingiverse along with comments there will probably answer your questions about the metric version (International Edition). http://www.thingiverse.com/thing:790533

5

Im from Portugal to, and i found easily 25mm diameter steel tube. If you want i can sent to you the place.

By the way, congratulations for this amazing machine :wink: hoping to get mine working soon, still printing the pieces…

Anyone knows where to find the milling machine in europe?

6

Bozpet, i’m from Portugal as well, can you pls send me the place where i can find the steel tubes.

This is a project that i must do :wink:

Regards,
MP