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Keeping rings parallel during ring filing

Practical Engine Building

Discussion and questions related to the course Practical Engine Building

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In regards on ensuring the ring gaps remain parallel, how do you actually position it on the filer? I find this is some of the common issues faced while filing the ring which is to ensure it remains parallel.

Any further tips on this would be much appreciated.

Ideally an electric ring file is the best solution since it will include an adjustable stop that you can use to set the bore diameter and make sure all your rings are filed parallel. If you're using a manual ring file this is trickier and the process is one of taking your time, making small adjustments and checking your work frequently.