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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

baileybradshaw
.333 member


Reged: 21/06/08
Posts: 305
Loc: Diana, TX
Re: Damascus hornet double...in progress
      31/08/09 09:01 AM

OK, With the billet annealed, I need to locate and drill two starter holes for the wire EDM. I use an edge finder to locate the center of my wrist pin hole, which is X0, Y0 (remember basic geometry from school)for all operations from this point on. This is just a starter hole, and will be opened up with the EDM. Drill the wrist pin hole, then move to the tang cavity starter hole and drill it as well.







The billet is then loaded in the wire EDM, and useing the same method as the edge finder on the mill, I find X0, Y0...the center of the wrist pin.

Once I have that location, I thread the wire through the cavity starter hole and make the cut. Here is a picture of the program path on the EDm screen.



I would shoot a picture in the EDM work area, but you would only see water spray everywhere. EDM stands for electrical discharge machining. It works like and arc welder in reverse. The machine uses a .010" brass wire, with fresh wire being constantly feed through the work, with an electric charge, which causes an arc between the wire and the work piece, to erode the metal in front of the wire. The wire never touches the work, but maintains about .001" gap. It is VERY accurate, but VERY slow.

Once I cut the tang cavity, I clean up the wrist pin hole in a spiral path. Produces a better hole than a drill and reamer, and since the rest of the profile of the action will be cut next, the hole will be perfectly parallel with the action face.



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www.bradshawgunandrifle.com

Edited by CptCurl (01/11/09 01:09 AM)

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Subject Posted by Posted on
* Damascus hornet double...in progress baileybradshaw 25/08/09 11:46 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   24/09/09 12:07 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   27/09/09 12:53 PM
. * * Re: Damascus hornet double...in progress mehulkamdar   27/09/09 12:57 PM
. * * Re: Damascus hornet double...in progress hunt_ak   28/09/09 10:16 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   01/10/09 01:42 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   07/10/09 02:15 PM
. * * Re: Damascus hornet double...in progress peter   07/10/09 06:55 PM
. * * Re: Damascus hornet double...in progress alexbeer   07/10/09 07:39 PM
. * * Re: Damascus hornet double...in progress vikram   27/08/09 07:49 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   27/08/09 10:31 AM
. * * Re: Damascus hornet double...in progress vikram   27/08/09 10:40 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   28/08/09 05:05 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   28/08/09 12:27 PM
. * * Re: Damascus hornet double...in progress mehulkamdar   31/08/09 02:36 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   31/08/09 09:01 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   31/08/09 09:14 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   03/09/09 11:48 AM
. * * Re: Damascus hornet double...in progress 333Jeffery   04/09/09 05:04 AM
. * * Re: Damascus hornet double...in progress 500grains   04/09/09 06:14 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   04/09/09 12:12 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   12/09/09 12:04 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   15/09/09 10:48 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   16/09/09 12:44 PM
. * * Re: Damascus hornet double...in progress Rigby62   08/10/09 09:45 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   08/10/09 03:22 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   10/10/09 03:28 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   12/10/09 01:46 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   13/10/09 12:26 PM
. * * Re: Damascus hornet double...in progress michaelj   15/10/09 01:41 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   16/10/09 01:13 AM
. * * Re: Damascus hornet double...in progress michaelj   16/10/09 11:40 AM
. * * Re: Damascus hornet double...in progress 450_366   16/10/09 07:18 PM
. * * Re: Damascus hornet double...in progress Ironscot   21/10/09 02:31 PM
. * * Re: Damascus hornet double...in progress michaelj   31/10/09 08:57 AM
. * * Re: Damascus hornet double...in progress CptCurlAdministrator   01/11/09 01:33 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   01/11/09 01:16 PM
. * * Re: Damascus hornet double...in progress Birdhunter50   02/11/09 01:03 AM
. * * Re: Damascus hornet double...in progress Paul   03/01/10 12:33 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   03/01/10 12:32 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   03/01/10 12:45 PM
. * * Re: Damascus hornet double...in progress Ron_Vella   03/01/10 01:02 PM
. * * Re: Damascus hornet double...in progress VonGruff   04/01/10 04:33 AM
. * * Re: Damascus hornet double...in progress peter   04/01/10 05:25 AM
. * * Re: Damascus hornet double...in progress DarylS   04/01/10 07:32 AM
. * * Re: Damascus hornet double...in progress tinker   04/01/10 08:06 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   04/01/10 12:30 PM
. * * Re: Damascus hornet double...in progress mehulkamdar   04/01/10 02:41 PM
. * * Re: Damascus hornet double...in progress Buchsemann   04/01/10 03:38 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   05/01/10 02:03 PM
. * * Re: Damascus hornet double...in progress hunt_ak   05/02/10 03:35 PM
. * * Re: Damascus hornet double...in progress FATBOY404   05/02/10 04:17 PM
. * * Re: Damascus hornet double...in progress CHAPUISARMES   06/02/10 11:26 AM
. * * Re: Damascus hornet double...in progress Kalunga   08/02/10 11:38 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   11/02/10 11:48 AM
. * * Re: Damascus hornet double...in progress 4seventy   11/02/10 12:33 PM
. * * Re: Damascus hornet double...in progress Cinghiale   20/02/10 04:46 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   22/04/10 03:05 AM
. * * Re: Damascus hornet double...in progress kamilaroi   22/04/10 09:17 AM
. * * Re: Damascus hornet double...in progress Shackleton   02/05/10 03:30 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   06/06/10 01:32 AM
. * * Re: Damascus hornet double...in progress CptCurlAdministrator   06/06/10 02:02 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   06/06/10 02:45 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   22/06/10 11:57 AM
. * * Re: Damascus hornet double...in progress 4seventy   23/06/10 08:02 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   23/06/10 08:39 AM
. * * Re: Damascus hornet double...in progress DarylS   23/06/10 11:25 PM
. * * Re: Damascus hornet double...in progress 500grains   24/06/10 12:11 AM
. * * Re: Damascus hornet double...in progress Sniper   08/09/10 06:05 PM
. * * Re: Damascus hornet double...in progress kamilaroi   08/09/10 06:27 PM
. * * Re: Damascus hornet double...in progress DarylS   09/09/10 06:35 AM
. * * Re: Damascus hornet double...in progress Shackleton   11/02/10 12:58 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   15/02/10 02:49 PM
. * * Re: Damascus hornet double...in progress Birdhunter50   16/02/10 11:50 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   17/02/10 02:46 PM
. * * Re: Damascus hornet double...in progress tinker   17/02/10 02:52 PM
. * * Re: Damascus hornet double...in progress *DELETED* *DELETED* Empire375   17/02/10 03:19 PM
. * * Re: Damascus hornet double...in progress JOAT   18/02/10 04:00 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   19/02/10 01:30 AM
. * * Re: Damascus hornet double...in progress JOAT   19/02/10 05:15 AM
. * * Re: Damascus hornet double...in progress 9dot3x74R   19/02/10 07:14 AM
. * * Re: Damascus hornet double...in progress NitroXAdministrator   19/02/10 06:19 PM
. * * Re: Damascus hornet double...in progress tkv000   07/11/09 06:31 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   08/11/09 12:02 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   15/11/09 10:18 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   02/12/09 12:32 PM
. * * Re: Damascus hornet double...in progress hunt_ak   01/01/10 05:30 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   01/01/10 02:55 PM
. * * Re: Damascus hornet double...in progress akjeff   02/01/10 11:16 AM
. * * Re: Damascus hornet double...in progress Mike_Bailey   16/09/09 04:57 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   19/09/09 12:49 PM
. * * Re: Damascus hornet double...in progress baileybradshaw   23/09/09 10:39 AM
. * * Re: Damascus hornet double...in progress peter   25/08/09 11:57 PM
. * * Re: Damascus hornet double...in progress Mike_Bailey   26/08/09 01:59 AM
. * * Re: Damascus hornet double...in progress baileybradshaw   26/08/09 05:02 AM
. * * Re: Damascus hornet double...in progress 450_366   26/08/09 08:12 AM
. * * Re: Damascus hornet double...in progress Oldsarge   26/08/09 04:23 PM
. * * Re: Damascus hornet double...in progress michaelj   27/08/09 07:35 AM
. * * Re: Damascus hornet double...in progress VonGruff   26/08/09 06:53 AM
. * * Re: Damascus hornet double...in progress 500Nitro   26/08/09 05:10 AM
. * * Re: Damascus hornet double...in progress kamilaroi   25/08/09 11:52 PM

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