Machinists - Skeletonized Grip Cap

[Bren R.]

I've got a project hunting rifle on the go... and I'm looking to have a custom skeletonized pistol grip cap made for it. I'm a wood guy - milling it is beyond my capabilities.

Here's a view of the front (off axis)... the back (off axis) and the back flat... I DO have technical drawings, PM me if you want to see them.

http://castboolits.gunloads.com/imagehosting/thum_219884f7b3a5105f83.jpg (http://castboolits.gunloads.com/vbimghost.php?do=displayimg&imgid=4693)

Overall size is 1.745" L x 1.280" W x 0.250" D... in brass. Wondering what it would cost to get one of you guys to make it.

Bren R.

[MBTcustom]

I cant see the pictures on this computer, but I might be able to help you. Let me look at it tonight.

[Bren R.]

Hi, Tim...

I sent you an email to your gmail account with the photos and tech drawings.

Thanks in advance!

Bren R.

[Tokarev]

From the looks of it your best bet is to cast your own.

[LEADHOPPER]

I'll shoot you a PM with my email address. Shouldn't take long to do that.

LH

[Bren R.]

After giving up on the design, I was over at Red River Rick's last week picking up a set of mold handles (which I should mention are almost half the price and head and shoulders above the Lyman ones) and the topic came up - he could mill the part for me.

We changed the material back to s/s like I originally wanted and put in a ball-end scallop around it.

Got pictures of the completed part this morning.

http://castboolits.gunloads.com/imagehosting/17084fa355e233d18.jpg

Looks absolutely perfect and made 40 minutes from me.

Thanks again, Rick... can't wait to cut the Cocobolo insert for it for my .358 Win Savage build!

Bren R.

[Tokarev]

Good craftsmanship. Wast it on a CNC or conventional?

[Bren R.]

CNC... I just wish I'd met him BEFORE I ordered a urethane replica of the original cap.

Oh, well... that one will end up on a stock I'm repairing and refinishing for another guy.

Bren R.

[DeanWinchester]

Good craftsmanship. Wast it on a CNC or conventional?

It would have had to be a CNC mill. That would really be impressive if he'd done that on a bridgeport type mill. It would require tooling and fixtures that have not been around since WWII or before.

[MBTcustom]

Good to see you got it done. CNC is a wonderful thing!

[theperfessor]

Not impossible on manual equipment (vertical mill with a rotary table) but definitely more time consuming. A very nice outcome.

[MBTcustom]

Not impossible on manual equipment (vertical mill with a rotary table) but definitely more time consuming. A very nice outcome
That's exactly how I was going to do it. However it was complicated by the fact that its not a circle; its more of a rhombus. I'm glad that RRR was able to take care of it. What would have taken me about 8 hours, probably took him only 1.
Awesome work!

[trevj]

I've done some multi-radius cams with a manual mill and a rotary table, offsetting the various radii using gage blocks and parallel bars. It's a very time consuming process, and a grand way to scrap a part after having many hours into it.

CNC is great for shapes like this!

As nice looking as those sharp corners are in the original views, they are a right pain to make Rounded inside corners are easier to make, and I don't think they are any more fiddly to inlet.

Cheers
Trev

[Bren R.]

Well, I always knew there would be a radius on those inside corners, whether in the range of a few thou if it was done EDM or the toolhead radius if it was done CNC... so I didn't bother drawing it in.

Finally getting a chance to pick up the part tonight.

Bren R.