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One of the Last Entreprise receivers

This is a discussion on One of the Last Entreprise receivers within the Gunsmithing forums, part of the M14 M1A Forum category; Machining the .562 hammer clearance relief ,not quite done few more passes .endmill has 45 degree chamfers reducing tip to .460 per print set on ...


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Old December 29th, 2016, 07:30 PM   #106
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Machining the .562 hammer clearance relief ,not quite done few more passes .endmill has 45 degree chamfers reducing tip to .460 per print set on 45 degree to bottom per print.




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Old December 29th, 2016, 07:33 PM   #107
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Still have to finish the inside heel shelfs to depth and complete the passage and rear spotface.

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Old December 29th, 2016, 08:02 PM   #108
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Thanks for the excellent pictures! Would you mind taking a picture of the tooling setup when you cut the rear spotface? Always been curious.

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Old December 30th, 2016, 04:40 AM   #109
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Originals were machined with a small right angle milling head. I'll be using a universal swivel joint extension and bearing mounted in passage .

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Old December 30th, 2016, 06:42 AM   #110
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Loooking good! Nice and shiny! I don't think my eyes would let me be that good.

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Old December 30th, 2016, 05:53 PM   #111
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Few more pics after finishing the .562 hammer clearance cut and the .375 cut on opposite side.





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Old December 31st, 2016, 04:10 PM   #112
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Finished the inside heel sides and 5 degree shelfs ,just the rear part and spotface remains.Need to make tooling to do that step.








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Old December 31st, 2016, 04:15 PM   #113
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This was a my WRA feed rate cut as fast as I could crank the handle pruduced this Winchester finish .


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Old December 31st, 2016, 04:20 PM   #114
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You sir have a gift, and I wish I did. I know what you are trying to do without really understanding how you do it, I guess that's what makes it interesting to me.

Please keep up the pictures and explanations and I will try to follow along.

Ren

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Old January 1st, 2017, 02:40 PM   #115
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Milling the trigger group slot using corner radius endmill per print.










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Old January 1st, 2017, 04:56 PM   #116
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Two things I check for every day on this forum: ChileRelleno's posts in the food thread, and Iron Worker's updates on his receiver...


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Old January 2nd, 2017, 03:41 PM   #117
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Milling the forward part of the magwell end and width .







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Old January 2nd, 2017, 03:43 PM   #118
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Started milling spring guide slot ,not done yet.More later.




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Old January 5th, 2017, 06:32 PM   #119
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Completed spring guide slot.




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Old January 6th, 2017, 09:19 AM   #120
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Beautiful work!

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