- Joined
- Jan 20, 2018
- Messages
- 5,711
It's hard to believe it's been nearly two years since I first posted about my auto-retract threader.
www.hobby-machinist.com
It's been a great adventure. I've sold quite a few of them, but I've been plagued by the notion that it somehow needed to be more. Every once in awhile someone would hint that more than 1/8" retract would be desirable. Pursuing this idea, it didn't take me long to realize that the cam design would not scale up very far. Periodically I have considered various ways to achieve greater retract, but never got serious until recently. Looking for a new project, I came across an unfinished unit of the very earliest design, one that was milled from solid. I started playing with it, and pretty soon I had a workable design.
The Retractor
Some people (no one here) weren't satisfied with the automatic threading stop for my SB Heavy 10. They felt that the tool should also retract to avoid the necessity of a thread relief. I've always tried to fulfill people's unreasonable requests, so here goes. Please bear in mind that these...
www.hobby-machinist.com
It's been a great adventure. I've sold quite a few of them, but I've been plagued by the notion that it somehow needed to be more. Every once in awhile someone would hint that more than 1/8" retract would be desirable. Pursuing this idea, it didn't take me long to realize that the cam design would not scale up very far. Periodically I have considered various ways to achieve greater retract, but never got serious until recently. Looking for a new project, I came across an unfinished unit of the very earliest design, one that was milled from solid. I started playing with it, and pretty soon I had a workable design.
Congratulations.