- Joined
 - Nov 3, 2004
 
- Messages
 - 3,120
 
- Reaction score
 - 1,499
 
- Points
 - 337
 
- Location
 - Bay Area CA
 
- Printer Model
 - CR-10, i560 ,MFC-7440N
 
Wow, this was a good read: https://www.quora.com/How-do-each-of-the-components-in-a-3D-printer-work/answer/Yuan-Gao-5
			
			This mentions a z-axis coupler between the rod and the motor, to reduce stress on the motor.Wow, this was a good read: https://www.quora.com/How-do-each-of-the-components-in-a-3D-printer-work/answer/Yuan-Gao-5
Nope...Do your (relatively) expensive models have it?