Pitan Dual Drive

This is a remix based on Pitan extruder (https://www.thingiverse.com/thing:2728600/files) to be able to use a dual drive gears. Basically I reuse the Pitan gears and combine with a two cloned bmg gears. The idea is to be able to have a cheap dual drive with a 3:1 reduction.

Print Settings

Printer Brand:

Prusa

Printer:

Prusa Clone

Rafts:

No

Supports:

Doesn't Matter

Resolution:

0.20

Infill:

20%

Filament: Plastar PLA

Red and Green

Notes:

Use PETG on the smaill gear for the motor, to avoid problems with the temperature.

Post-Printing

Bill of materials

• 3 x 3Mx30mm Screws rn- 1 x 3Mx25mm (it can be replaced with a shaft)rn- 1 x 4Mx10mm Screwrn- 1 x 4M Nutrn- 1 x 5Mx30mm Shaft (you can to cut use an old screwdriver)rn- 2 x 695zz Bearingsrn- 1 x Dual drive kit (https://es.aliexpress.com/item/32947193804.html?spm=a219c.12010615.8148356.15.5b04233bCz6BBx)

1. Build the shaft

File the shaft following this measures:

2. Build the big gear

• Nail the shaft into the gear, leave 4mm outside the gear.rn- Put the BMG gear (don't too tight)rnrn

3. Build the lever

Cut the shaft of is necessary (The lever has 18mm wide) and put inside the lever.

4. Build the lids

Nail the 695zz bearings.

5. Put the small gear in the motor

Follow the picture:

6. Build the lever shaft

Put the lever and to screw the 3x25mm screw until be visible on the other side.

7. Put the filament guide

8. Build the pressure regulator

Combine the 4Mx10mm, 4M nut and the sprint. And put it between the lid and the lever.

9. Put the big gear

10. Close both lids

...and finally screw the M3x25mm

11. Connect with the motor

Put the lids over the motor and the 3Mx30mm screws.

12. Check

If the build was successful, you will to move the gear using a finger.

Category: 3D Printer Extruders