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| Circlip groove |
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| John Rudd:
I need to machine a circlip groove in a 3mm silver steel shaft for some circlips. Circlips themselves are 0.6-0.7mm thick and are 2.3mm. So to the collective, I put it to you, what’s the best way to tackle this? I tried an abrasive disc ( my fav method.) in my Dremellookalike but the end brg is knackered so it wobbles like a jelly….I tried Stew Harts method using a slit saw….hmmmm some erroneous noises made me abandon that idea… Silver steel doesn’t machine like EN1a sadly….so open to suggestions please…. What works for you? |
| Joules:
Grinding bits of Eclipse hacksaw blade, just below the teeth, if you have something that can hold it like a parting blade. Otherwise sacrifice a small HSS drill bit in some metal stock you can hold in a toolpost. Your dodgy Dremel can part profile it, do you have diamond stones for finishing ? Keep stick out to a minimum unless you have a pile of small drills to use. Oh !!! Is your silver steel part unhardened ? |
| John Rudd:
Steel is not hardened… I’m thinking using a broken 1/8” centre drill suitably profiled to make the groove, sharpened on my t and c grinder.. |
| Joules:
Sounds like a good approach to getting it sorted. |
| John Rudd:
Just wish the silver steel wasn’t so hard! |
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