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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	CptCurl	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	CptCurl	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	NitroX	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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