If you have a CNC lathe making reamers is easy , I use a program called CamBam to produce the ogive and then a modified facing program to cut the flutes .
To heat treat you can use a kiln but it is...
Type: Posts; User: DAVE A
Forum: Swaging
If you have a CNC lathe making reamers is easy , I use a program called CamBam to produce the ogive and then a modified facing program to cut the flutes .
To heat treat you can use a kiln but it is...
Forum: Swaging
Very nice work , any chance of a Youtube video of the jacket making process ?
Forum: Swaging
I live in the UK and finding components is getting more and more difficult , because of this I am going to get back into swaging in the hope of being able to make an accurate bullet that I can make...
Forum: Swaging
I agree that using a boring bar is the best way to guarantee a round hole , I use a boring bar to get close and then a reamer but I use a barrel lap (Acro Lap ) after heat treat for the final finish.
Forum: Swaging
There is a very good thread by Cane_man called making 30 cal dies which is well worth a read, it has some detailed drawings of dies using a similar idea.
Forum: Swaging
Hi just checked one of mine and its 1x20
hope that helps.
Forum: Swaging
The die is just a tube with a polished reducing die at the end and the punch is a close fitting steel round bar that pushes the lubed slug through the reducing die ,the reducing die is removable so I...
Forum: Swaging
I made an extrusion die for a hydraulic press I built and due to the pressure and heat created by the extrusion process the wire it produces comes out in a continuous coil no matter how many lead...
Forum: Swaging
There is a company in London called Tiranti that sells lead free casting metal which is an alloy of tin and bismuth,depending on the weight of your bullet you may get 130+ cores out of a kilo, the...
Forum: Swaging
I bought myself a small guillotine that will take 12" wide sheets and use it to cut 1" wide strips, its a little more to do but if I buy enough 2x1 sheets it becomes very cost effective .
Dave.
Forum: Swaging
If you make the die reversible you may have problems stripping the jacket from the punch.
Forum: Swaging
The copper I am using for this set is .9mm or about .035" and I am hoping to make 1,25" 30 cal jackets ,I know that I can draw a 25mm disc of .7mm or .027" to 1.3", I am only guessing that the...
Forum: Swaging
I buy 2x1 sheets on ebay and cut them into strips on a guillotine
Forum: Swaging
The Corbin die was my inspiration for this ,I made a die that cuts a blank and draws a cup in one go and it works great but the best wall thickness runout I can get is just under 1.5 thou so I am...
Forum: Swaging
The strip is about 23.5mm and the cutter is 7/8" ,the longest part of the cutter has to be aligned with the ejection port but only because it would be too long the other way round .
I am making...
Forum: Swaging
Very sorry guys but I am waiting on some ATP anti scale coating before I make any more reamers ,
I have been busy though I am making a new jacket making die set ,here is the first piece, a blanking...
Thanks for the picture, a simple but very effective mold , and if you machined a slot in the plug you could make drive key slugs ,
I think I may just have to get back to my lathe.
Dave.
Tackleberry I have a 16g single barrel hammer gun that I was thinking of making slugs for so I am really looking forward to seeing pics of your mold and slugs.
Dave.
Forum: Swaging
Hi Jim ,no I wasn't able to download the file but I am getting on well with CamBam and I am able to alter the G code to suit if needed.
Dave.
Forum: Swaging
Glad it arrived safely and I hope it works as well for you as it did for me ,
One of my next projects is to make a die set for my 223 and I have been making some reamers and laps, I may even make a...
Forum: Swaging
Bill if you want to pay for postage from the UK its yours,
Dave.
Forum: Swaging
+1 on getting a bigger lathe , mini lathes are fun but very limited especially when trying to cut 7/8x14 threads .
Forum: Swaging
The die fits a Corbin S press and it was made on a lathe ,I converted the lathe to cnc myself but most of the machining was done manually from the tail stock except the threads which are a breeze...
Forum: Swaging
I made the die with a 2mm meplat ,I was worried that extracting the bullet would be difficult but Iv'e had no problems yet.
Forum: Swaging
I used brass lapps and diamond paste to polish the die before and after hardening.
BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
BR | Bench Rest | M | Magnum | RN | Round Nose |
BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
GC | Gas Check |