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jamesinnewcastl · 15th Dec 2017, 9:18 am

Hi

A timely post for me as I am about to embark on a knob casting! I have had a similar jig in mind to hold the original. I'm having second and third thoughts about the casting part though which is good thing I suspect as having them afterwards isn't very useful!

My plan is to use the jig to hold the insert during the casting process too. I think that I will cut definite grooves in the insert for maximum grip!

I hadn't thought about making a new thread for the fixing screw but that does make a lot of sense.

I've gone for commercial moulding and casting compounds as the knob I want to cast has a pointer that protrudes like the spout of a kettle - nightmare!

Cheers
James

15th Dec 2017, 9:18 am	#12
jamesinnewcastl Heptode Join Date: Jul 2009 Location: Newcastle upon Tyne, Tyne & Wear, UK. Posts: 723	Re: Knob casting experiments Hi A timely post for me as I am about to embark on a knob casting! I have had a similar jig in mind to hold the original. I'm having second and third thoughts about the casting part though which is good thing I suspect as having them afterwards isn't very useful! My plan is to use the jig to hold the insert during the casting process too. I think that I will cut definite grooves in the insert for maximum grip! I hadn't thought about making a new thread for the fixing screw but that does make a lot of sense. I've gone for commercial moulding and casting compounds as the knob I want to cast has a pointer that protrudes like the spout of a kettle - nightmare! Cheers James Last edited by jamesinnewcastl; 15th Dec 2017 at 9:24 am.