We are looking for 8mm copper rod shaving machine and copper rod cutting machine (for scrap and rejected rod). Does anybody knows manufacturer or supplier of these machines?

Hi kishor,

As far as shaving machines are concerned, this has been answered once before. See WAI Forums thread www.wirenet.org/forum/viewmessages.cfm?Forum=12&Topic=211

As far as rod cutting machinery is concerned, I have only seen heavy shears. I suggest you get some direction from the manufacturer of the rolling mill section of your Contirod line.

Best regards,
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com

Didn't think anyone shaved rod much any more. Are you saying you want to shave to an 8 mm finished size or are you starting with 8 mm rod.

If I remember right we used to shave a minimum of about 10 mils on 7/16 rod to get rid of most of the imperfections.That yielded/resulted in about 7-9% scrap. Shaving rod that amount on rod near 8 mm would yield about 25-30% scrap which would be highly uneconomical.

Did we ever get answer to the 8 mm question?

Hi,
Sorry for the delay in replying. Its my mistake, I was searching for your reply in nonferrous section. Yes we are looking for shaving machine for 8mm copper rod. Our final rod size is 8.1 - 8.3 mm. We want to shave this rod to 7.9mm. I think this will improve rod surface quality, improve life of wire drawing dies.
Thanks for your reply.

I would guess you could find a Marshall Richards shaving block and then use shaving dies for the size that you desire. Is your rod being cast or rolled to 8.3 mm?

Your rod is about 5/16 inch in diameter. The only rod we used to see that was that size was called ox-off and we drew it without shaving it. The ETP came in 7/16, 5/8, and 3/4. This was before continuous cast so we also had a weld about every 250-300 pounds.

Have you made any rod mounts to see if you have rolled in surface imperfections that warrant shaving? Unless you have evidence of imperfections, I am not sure the cost of shaving to save dies is economically sound. right off the top you are going to have between 6 and 12% scrap. With the current cost of copper that means for every 10 pounds of rod you shave you are going to have about 1 pound of scrap. Plus you will have the added processing cost, the cost of shaving dies, the shaving head, and the electricity to run it.

At this size you are probably using carbide type dies. If you want to improve die life, work with your lubricants. perhaps a good product in the die box that is generally outside of the drawing machine. Sometimes you can just use concentrated lubricant same as what makes up your solution.

A question worth asking is what is your die life? How many dies are in your machine and what is the finish size that you are concerned about.