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| Valve seat cutter |
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| vtsteam:
I think a fairly thick old automobile leaf spring under my shed might wake up in the morning to find a bit of its length missing in such a circumstance. :dremel: |
| John Rudd:
--- Quote from: awemawson on February 25, 2013, 05:32:43 PM ---Make a suitable EN1A cutter, but cut a pocket in it for an indexable insert --- End quote --- This is the alternative I'm considering after seeing a countersinking cutter on a Chinese tool website..... :dremel: Thanks for the ideas guys... :thumbup: |
| philf:
--- Quote from: John Rudd on February 26, 2013, 06:53:02 AM --- --- Quote from: awemawson on February 25, 2013, 05:32:43 PM ---Make a suitable EN1A cutter, but cut a pocket in it for an indexable insert --- End quote --- This is the alternative I'm considering after seeing a countersinking cutter on a Chinese tool website..... :dremel: Thanks for the ideas guys... :thumbup: --- End quote --- John, You may probably already have considered this but there's one more thing to bear in mind - If you are going to use the tool either hand driven or via a power tool rather than in a milling or drilling machine you need to set a stop (possibly on the shaft which goes through the valve guide) so that it not only limits the depth of cut but, particularly when using a single insert cutter, to prevent you ending up with a spiral valve seat with a step where the cutter stops. Cheers. Phil. |
| Jo:
Case hardened MS worked very well on my Cast Iron R&B gas engine head. :thumbup: Jo |
| John Rudd:
--- Quote from: jo on February 26, 2013, 09:17:07 AM ---Case hardened MS worked very well on my Cast Iron R&B gas engine head. :thumbup: Jo --- End quote --- Jo do you have any fabrication details on your cutter please? Saves 're-inventing the wheel' .....a couple of photos wouldl be great too if you have any .. cheers John |
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