Budaschnozzle
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Release status: Working
| Description | Truly free/libre hot end
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| License | GPLv3
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| Author | |
| Contributors | |
| Based-on | |
| Categories | |
| CAD Models | |
| External Link |
The Budaschnozzle 1.3 is a high performance hot end for use with RepRap and other 3D printers. The hot end comes completely assembled: wire it to your electronics and it is ready to print. This new 1.3 version is completely compatible with the 1.1 and 1.2 versions; any part labeled Budaschnozzle 1.1 or 1.2 will work on the Budaschnozzle 1.3. The 1.3 version now has a better heat sink that increases performance with PLA.
Optional nozzle sizes are available from 0.15mm to 0.75mm. With the optional PTFE tube, you can print 1.75mm filament.
- The BudaSchnozzle is a free/libre hot end.
- Inspired by the Arcol.hu_Hot-End_Version_3.0
Assembled Budaschnozzle v1.3
3D CAD Rendering
Cross-section Image
Contents
Features
- Aluminum Block Resistor Hotend
- Easily assembled and torn down with no glue or ceramic
- Wire Strain Relief
- Includes machined aluminum and steel parts, and laser cut wooden parts
- Compatible with Wade's and Greg's accessible extruder
- Currently compatible with:
- The standard Prusa Mendel carriage
- Our Supa-Flat carriage
- Mendel OpenX Bling carriage
- Prusa's lm8uu carriage
- MakerGear Prusa x-carriage and plastruder body
Current Version 1.3 Specs
- Size at longest parts: (H,W,L) 57mm, 40mm, 40mm
- Aluminum block resistor
- Machined aluminum heat block: 18.4mm x 25mm x 8.3mm.
- M10 x 1.0 internal thread
- M3 4mm set screw
- Machined aluminum nozzle, M10 x 1.0 internal thread, 0.5mm or 0.35MM orifice
- Thermistor temperature reading (~100k @ Ambient): Honeywell 135-104LAG-J01
- Resistor heating element (6.8 Ohm): Vishay RWM06226R80JA15E1
- Machined aluminum heat block: 18.4mm x 25mm x 8.3mm.
- Stainless steel and PTFE heatsink
- PEEK insulator
- PTFE inner sleeve
- Laser cut hard wood plates
- For use with 3mm filament. 1.75mm filament can be used by changeing the inner PTFE tube.
- Machined stainless steel back-up plate
Note:
- Do not go above 240C or you risk damaging your hot end.
- If you plan to make a nozzle and are wondering what size drill bit to use, a good drill chart can be found at: http://whatisacnc.com/3d-printer/3d-printer-nozzle/
Videos
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Mounting
Mounting the Budaschnozzle is SUPER easy. Once your carriage is mounted and ready to go, place the Budaschnozzle into the carriage hotend hole. Line up the holes in the Budaschnozzle mount plate with the extruder mounting holes in the carriage. Put your extruder on top of the Budaschnozzle mount plate lining up the extruder mount holes with the holes in the mount plate and carriage. Push in the the screws that are compatible with your carriage (generally M4 screws). Screw on the nuts and tighten the screws. Bam, done.
Tip: Put a scrap piece of plastic filament through the extruder and into the hot-end before you tighten down the extruder. You do not need to heat the Budaschnozzle, just lightly push the filament down until it reaches the nozzle. This will align the filament travel space to give a nice smooth movement of the filament through the extruder and hot-end.
Empty X-carriage
Budaschnozzle placed into the carriage
Budaschnozzle mounted and tightened onto the carriage
Accessories
There are multiple nozzle sizes available and an optional PTFE tube for printing 1.75mm filament. Following are two videos showing how to change out these parts.
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Changing out the PTFE tube for 1.75mm or 3mm filament.
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Changing out extruder nozzles
Thermistor
A thermal table has been created for the Honeywell 135-104LAG-J01 thermistor for use with the Buddhaschnozzle. The thermal table is included in the Sprinter firmware and is used by selecting thermistor 7 in the Configuration.h file in Sprinter. Change the line "#define THERMISTORHEATER 1" to "#define THERMISTORHEATER 7"
In Marlin under "Thermal Settings" the extruder thermistor selection should read: "#define TEMP_SENSOR_0 7"
Source
| FILE | TYPE | DESCRIPTION | DOWNLOAD |
|---|---|---|---|
| Bill of Materials | Spread sheet | Spread sheet of bill of materials | .ods |
| Heater Block | 2D & 3D CAD drawings | CAD drawing for the heater block | |
| Nozzle | 2D & 3D CAD drawing | CAD drawing for the nozzle | |
| Peek Isolator | 2D & 3D CAD drawing | CAD drawing for the PEEK isolator | |
| Aluminum extension | 2D & 3D CAD drawing | CAD drawing for the aluminum extension | |
| Upper Plate | 2D & 3D CAD drawing | CAD drawing for the Upper Plate | .dxf |
| Lower Plate | 3D CAD drawing | CAD drawing for the Lower Plate | .dxf |
| Backup Plate | 2D & 3D CAD drawing | CAD drawing for the Backup Plate | |
| Copper Heatsink | 2D & 3D CAD drawing | CAD drawing for the Copper heatsink | |
| Budaschnozzle Mount | 3D CAD model and drawing | 3D CAD model for the Budaschnozzle mount | .stl |
| Budaschnozzle Assembly | SolidWorks 2011 Assembly | 3D CAD model for the Budaschnozzle | thingiverse |
