I'm in the process of fabricating the vertical draw bar for the FP1. I have the bar finished except for the internal butress thread, which I plan to cut this weekend. I used a piece of 1045 TPG I had laying around in the shop, but didn't think about the dimensions changing during the heat treating process until now.
I've been told to expect the part to swell by .001 to .002 and I'm wondering if this is true? If so, does anyone see this being a problem with the thread clearance? Should I take this much movement into consideration when cutting the threads or do I start over with a different material?
Thanks,
gm.
I've been told to expect the part to swell by .001 to .002 and I'm wondering if this is true? If so, does anyone see this being a problem with the thread clearance? Should I take this much movement into consideration when cutting the threads or do I start over with a different material?
Thanks,
gm.