View Single Post
  #14   Spotlight this post!  
Unread 17-01-2017, 11:02
protoserge's Avatar
protoserge protoserge is offline
CAD, machining, circuits, fun!
AKA: Some call me... Tim?
FRC #0365 (MOE) & former 836 Mentor)
Team Role: Mentor
 
Join Date: Jan 2012
Rookie Year: 2002
Location: Wilmington, DE
Posts: 754
protoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond reputeprotoserge has a reputation beyond repute
Re: Machining precision required to make custom gearboxes

Quote:
Originally Posted by JesseK View Post
We do have a reamer, but have had mixed results when using it on oblong holes. Using a micrometer on a sample after under-sizing still shows a position margin of error of around +/- 0.001 in a dimension.
On a DIY setup, that's pretty respectable. You could try running a spring/multiple finishing passes to see if that helps remove hole eccentricity.
Reply With Quote