Template:RepRapPro mini extruder drive assembly

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Step 1 - Components

You will need one drive for each colour/material that your Mendel will print, up to a maximum of three. This section describes the parts for one drive.

Reprappro-multi-materials-extruder-drive-parts.jpg
Item Quantity
Large internal gear (printed) 1
Small push-fit gear (printed) 1
Main block (printed) 1
Tongue (printed) 1
PCB clips (printed) 2
Slotted custom PCB clip (printed) 1
Flat motor spacer (printed) 1
M3 nuts 5
M3 nyloc nuts 3
30mm M3 caps 2
35mm M3 caps 1
25mm M3 caps 1
25mm M3 screw (threaded to the top) 1
20mm M3 caps 3
12mm M3 caps 1
M3 spring washer 1
M3 washers 13
3mm 623 bearings 10mm OD x 4mm thick 3
8mm M3 hobbed drive 1
Short NEMA 17 motor 1

Step 2 - Assembly

Reprappro-multi-materials-extruder-drive-geared-shaft.jpg

Reprappro-multi-materials-back-bearing.jpg

Reprappro-multi-materials-drive-mount.jpg



Reprappro-multi-materials-fitting-drive.jpg

Reprappro-multi-materials-idler-gears.jpg

Reprappro-multi-materials-one-piece-nozzle.jpg



Reprappro-multi-materials-small-gear.jpg

Reprappro-multi-materials-alternate-nozzles.jpg