- Joined
- Nov 16, 2011
- Messages
- 279
I need help making rounded rod ends.:whiteflag:
My part is similar to a small connecting rod with each end curved around a pivoting shaft. The material is A36 steel, .250" thick and .375" wide and an inch in length. I am attempting to surface grind all faces ±.0001" as this project is part of tool that I'm likely to use often and I'd like to look at something nice.
Over the years, I've rounded all sorts of ends using different methods such as milling with the work firmly affixed to a rotary table, pivoted the part by hand around a pin fixture, and turned larger radii on the lathe using faceplates or similar fixtures. All of those methods worked well at the time and were appropriate for the job at hand, but this time I am striving for much higher tolerances and surface finish.
Here are some typical setups I've seen and used:
Are there any other methods that you would consider very precise and better than the above setups?
Any and All help welcome!
My part is similar to a small connecting rod with each end curved around a pivoting shaft. The material is A36 steel, .250" thick and .375" wide and an inch in length. I am attempting to surface grind all faces ±.0001" as this project is part of tool that I'm likely to use often and I'd like to look at something nice.
Over the years, I've rounded all sorts of ends using different methods such as milling with the work firmly affixed to a rotary table, pivoted the part by hand around a pin fixture, and turned larger radii on the lathe using faceplates or similar fixtures. All of those methods worked well at the time and were appropriate for the job at hand, but this time I am striving for much higher tolerances and surface finish.
Here are some typical setups I've seen and used:
Are there any other methods that you would consider very precise and better than the above setups?
Any and All help welcome!