Ultibots/Micro Extruder
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Release status: working
| Description | Micro Extruder for PG35L motors.
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| License | CC BY-SA 3.0
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| Author | |
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Contents
Current Version - V5
The Ultibots PG35L Micro Extruder V5 - For J-Head is the most recent version designed for short and long shaft PG35L-048 motors. This version has 2 integrated bearing to appose idler tension and minimize any shaft wobble. Also, this body has a snap-in slot for a J-Head hot end which eliminates the aluminum slot plate. This Micro Extruder has been tested on MendelMax and Prusa.
Visit Ultibots for Hobbed Drive Gears and Bearings. MendelMax Kits, Printed Parts, Filament, Electronics, and More...
Advantages
- Reliable
- Light weight
- Allows higher X axis speeds
- Reduces skipped steps
- Inexpensive
Disadvantages
- PG35L & Drive Gear wear with months of daily use and need to be replaced
- Motor torque needs precise tweeking with Pololu type motor drivers
Parts List
- PG35L-048 Motor (x1)
- Drive Gear (x1)
- M3x30 bolts and M3 jam nuts for the idler (x2)
- M3x25 bolts and M3 jam nuts for the motor mount (x2)
- 624ZZ bearings for internal body (x2)
- 624ZZ bearings for idler (x1)
- M4x20 bolts and M4 jam nuts for the idler bearing (x1)
- M4 washers either side of idler bearing (x2)
- M4-20 bolts and M4 jam nuts for the internal bearings (x2)
- M4-10 bolts and M4 jam nuts to secure to x-carriage (x2)
- M4 washers either side of internal bearings (x4)
Weights
| Component | Weight | Notes |
| PG35L-048 | 116.2 grams | |
| Micro Extruder V5 | 26.5 grams | Just Body & Idler |
| Drive Gear | 8.5 grams | 3mm |
| V5 Hardware | 31.2 grams | |
| Heat Sink | 9.0 grams |
Related Links
- PG35L Motor Cooler Fan Duct
- PG35L Heat Sink Fan Duct
- PG35L extruder for Kossel
- Cam idler pusher for V5 micro extruder
- slim lm10uu Micro extruder X carraige
Revision History
Micro Extruder V4
Source
PG35L Micro Extruder V4 - For J-Head
Micro Extruder V3
Summary: This version has integrated bearing to appose idler tension. Use of the external bearing is no longer needed. The body has a snap-in slot for a J-Head hot end which eliminates the aluminum "groove" mount. The snap-in idea was derived Tinkey Struder by Scott Mayson.
Advantages
- Shaft flex was further reduced with an internal bearing
- Bearing strap no longer needed
- No "groove" mount needed
Disadvantages
- Will not work with short shaft PG35Ls
Source PG35L Micro Extruder V3 - For J-Head
Micro Extruder V2
Summary: This version has an internal bearing to appose idler tension. Use of the external bearing is no longer needed..
Advantages
- Shaft flex was further reduced with an internal bearing
- Bearing strap no longer needed
Disadvantages
- Will not work with short shaft PG35Ls
Source PG35L Micro Extruder V2 - For J-Head
Micro Extruder V1
Summary: Our First Micro Extruder that was derived from the Trinity Labs TrinityLabs Micro Extruder 1.0.
Advantages
- The body is stronger and has M3 nut slots that doesn't penetrate the entire body.
- Shaft flex was reduced
Disadvantages
- Still required bearing strap
