Coupling
CNC Couplings
Link | From | Size (ID-ID) | Approximate Cost | Tech | Additional notes |
---|---|---|---|---|---|
Folger Technologies, LLC | US | 5mm to 8mm 5mm to 5mm |
$2.99 USD | Flexible | Great Quality, Ships from US, Worldwide. |
[1] Paoparts | France | 5 to 8 mm | 10,95 € | helical | - |
[2] Paoparts | France | 5 to 8 mm | 9,10 € | spider | - |
[3] Technobots | UK | 3-6 to 3-6 mm | - | inline | - |
3D Maker World | US | 5 to 6.35 mm | $5.00 USD | helical | - |
DIY-India.com | India | 5 to 5 mm | 210 INR | helical | - |
DIY-India.com | India | 5 to 8 mm | 210 INR | helical | - |
3D Maker World | US | 5 to 8 mm | $6.50 USD | spider | - |
3dprinterfactory | Australia | 5mm > 8mm | $5.20 AU ea- | helical | - |
Makemendel | India | 5mm to 8mm 5mm to 5mm |
$3.49 USD $5.25 USD |
Flexible | Used in Z axis of 3D Printer. |
RobotDigg | China | 5to5 and 5to8, other sizes as per request | $1.8 USD | Flexible | Used in Z axis of 3D Printer. |
Polymer Couplings
In several cases a sort of plastic tube have been used as a coupling between the motor shaft and the threaded rod.
from RepRapPro_Mendel_z_axis_assembly
- aquarium tubing
- heatshrink tubing 3:1 ratio (12mm to 4mm) with adhesive ([6])
- vinyl end cap from hobby rc cars 4mm inner diam. - 10mm outer diam. - 22mm long
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As mentioned in this thread : http://forums.reprap.org/read.php?283,151801,151801