September 11, 2007 at 7:10 am #328
I got so inspired from Buba B’s excellent adjustable Butt plate that I had to design similar for myself (sorry for copy of design Buba but it just looked so great that I couldn’t resist). Buttplate has been in my todo-list from the beginning since the standard plate just … well you all know what I mean.
I tried to make shape little simpler since I have to machine it myself with manual milling machine. Also added some adjusting for shoulder shape. This may look little small but I used dimensions from my shoulder and I am not such a big dude.
All the screws are M4 hexagon socket head cap screw so it’s easier to adjust on the field with same key. Axle screws are also used for locking the big ring over bottle cover.
I hope I can start machining today. Gonna post some pictures when it’s ready (if it turns out to be showable 🙂 )
Now would be a great time to share some tips or suggestions before I start milling in the evening.September 11, 2007 at 7:23 am #24214
Mike… What software do you use ?September 11, 2007 at 7:36 am #24217quote Yellow Ninja:
SolidEdge v18 3D-cad. If you are not familiar with 3D-cads (solid modelers) there is some learning curve before you will be productive with it. But after that there is no going back for 2D. The step and advantages are bigger than from drawing board to simple CAD.
Model the parts in 3D. Create cylinder with diameter and length. When ever you need to change it just enter new dimensions and model reflects changes.
Then create assembly where you mate them like they are mated in real life (axial, surface-to-surface, tangent, etc.). If you now change dimensions of parts it is reflected in assembly.
Finally create 2D-drafting. Software draws the geometry and you just point where you like the dimensions.
And if you need to tweak something you just go to change dimensions in models and 2D-drafts are updated automaticly with new dimensions.
Can’t be any simpler than that. Took me about one hour to design that butt with 2D drafts included.September 11, 2007 at 7:42 am #24218
We used an ok 3D CAD/CAM software package at college, but that was nearly 10 years ago so not only can I not remember what it was called, I’m sure software has improved by a LOT. I remember waiting ages for simple designs like a firehose nozzle to render on the latest and greatest PC in the late nineties when I was an intern at an Engineering office… nowadays its just a quick screen refresh….September 11, 2007 at 7:55 am #24220quote Yellow Ninja:
Yeah. Tell me about it. I also remember during engineering school when we used autocad and simple hidden line removal took hours with best computers there was. Nozzle.. hmm. that rings a bell. Very likely same old autocad 9 or 10 or something that we used.
Now it’s all realtime 3D-shaded model with edges and shadows and materials and reflections etc. etc. Meaning that what you see above is how it is actually modeled. No special renderings anymore. Also the solid modeling is totally different if you compare it to 10 years old semi-3D Cads. You start with solid geometry (extruded profile, revolved profile or something) and make holes, threads, chamfers, rounds, grooves, slots, etc. If you can model it you can manufacture it (well… almost 🙂 ).
I also have device called SpaceMouse on my left hand (mouse on the other). With that 3D-mouse I can “grab” the part and turn & move it like I am holding it in my hand. Very convinient.
3D cad makes everything so much simpler. You can tweak the design until you are happy and only then start manufacturing. You should definetelly try out modern 3D modelers. I bet you could grab academic license for SolidEdge somewhere. At least from torrents 😛 ( oops. I didn’t say that. did I ? )September 11, 2007 at 8:53 am #24224
LOL i think you hacked my PC as this is near spot on to my original idea with the FT full adjusting butt plate, left it for this time begin as i int got the time . I also got it too tilt at the adusting bar as well for full movement. Think i had better drawing than you thou, il find the scrap letter i drawed it on and were compare lol 😀September 11, 2007 at 10:50 am #24227rabbitsParticipant
another nice on mate u need to get the tools out and make it now 😀September 11, 2007 at 2:10 pm #24230walkonkingParticipant
That is awesome. One day I am going to have to get a rotary table for the mill.September 15, 2007 at 7:49 pm #24466davedParticipant
But I want to know when someone is going to offer them for sale :-)! One of those would be the perfect finishing touch to my Talon, but I have neither the tools or the expertise to make one. You guys just keep teasing us! Later.
DaveSeptember 15, 2007 at 7:58 pm #24468
HEHE How much would you pay for one ????? 😀September 16, 2007 at 4:08 pm #24508davedParticipant
But if I hear a number that seems reasonable, I’ll gladly pay it. Had no issue with sending Sean $200 for one of his valves, still working on getting it dialed in, but it looks like I got a bargain :-)! Seriously, I’m not a machinist, I have no idea of what it takes to create something like that, but consider me seriously interested. Balls in your court :-)!
DaveSeptember 17, 2007 at 10:49 pm #24561
I think im going to run a few off (5 or so) as ive got spare plate and need a barrel for my next project ! . So how much, i think its going to be about the Â£100 😯 for an anodised(Black or silver) if it s a plane ring that will take about 4 hours and then the stock 6 hours (i think) ,if you want all the wasting away like on my version then its even more .Its not just the machining ,its the setting up that takes the time ! Your extange rate is a killer for you at the mo thou! Im about to make the FT style stock so il see how long it takes ( its gona look a bit dif thou) 😀September 19, 2007 at 12:09 pm #24598
Finally got the parts from anodization. Here’s quick pics. I needed to make them small since the quality of my manual milling and grinding hack is not even nearly compareable with Buba’s excellent handwork. 😆
But the main point is that it works pretty good. My hold is much improved.September 19, 2007 at 12:56 pm #24600
Wow… I was gonna ask in your anodizing post if you’d anodized the buttplate yet… got my answer.
Looks Awesome !September 19, 2007 at 3:08 pm #24606rabbitsParticipant
welldone mate another great bit off workmans ship 😀
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