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| Small internal acme/trapezoidal threads? |
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| PekkaNF:
One guy has problem on making an pretty unstardard thread. I can't help on that one: TR 15 20 TPI. ACME and trapetzoidal threads are a litle different and well documented. No problem there. Bastard threads are not that incommon. Problem description: small internal thread is pretty had to make in lathe single point threading. 1: How small trapetzoidal/acme thread is practical to do single pointing? Looks like threading inserts for under 16 mm shanks are not that common. https://www.shop-apt.co.uk/threading-inserts.html 2: Making unstardard taps seems to be possible, but trapezoidal thread seems to be pretty hard form cutting. Long taper or series tap? Other ideas? Pekka |
| WeldingRod:
How strong do you need? Might cheat and cast the thread in steel filled epoxy... Sent from my SAMSUNG-SM-G891A using Tapatalk |
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