Questions You Should Know about 300 ton stamping press

Oh Dear, how many times over my life as a systems engineer have I been called in because some company have acquired second hand machinery without thinking about the documentation or if the manufacturer is still in business or the controls & hardware is obsolete.
I looked for that company & there were no references directly to them as press makers but other like commercial property etc., however, there is a valma trading that seem to deal with them, here is a link to their website there seems to be a little documentation but not looked at it.
https://www.valmatrading.com/portfolio/pm085_machanical-press-cattaneo-presse-800-ton-with-coil-line-brand-saronni/
If the company no longer exists then there are a few problems, one the PLC (if used) might be obsolete, password protected. If it uses bespoke types of controllers these are probably obsolete,
Some years ago I believe I went to a site where a company had purchased a second hand press (I believe it was one of these Cattaneo), the press was not operating, There were electrical drawings well a few sheets missing, I managed to find out that the E-stop circuit was not working & the run contact for the PLC was fed off this, Managed to sort that out, uploaded the program & documented the program as much as possible, replaced the PLC battery (was ok but being a few years ok not taking any chances), this is all I could do, the PLC was an Omron & not supported any more, I did suggest replacing it but the company didn't seem to be interested.

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bsctractor: I'm kinda lost on what you are saying about keeping the halves aligned. Die is a one piece Chunk of hardened steel with a .350 land(straight). After the land is a 3 degree taper. There is about a .075 land now before the taper starts. The steel is slid through the solid chunk so alignment so always be the same. That is how I got around normal alignment problems, EDM operator next to my bussy said it wouldn't work either till he saw the slot for the steel slide through. He said "I'll be (*$^$@#)" I may make the guide a little bigger next time. I know a shear angle would help but I want the blank flat(I'm lazy)

Greasydirk: I'm using scrap barrel finds and generally they are M2. New die will be a little smaller as I wasn't sure how long to make it for the different curls so I went big to be safe. Now I can make it to the bigger ones size and only grind the smaller ones to size. I'll check out the other tips tomorrow when I get home.

Thanks for all the tips, Kevin


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Mike72: It's a small run compared to you guys. Less than pieces needed. I would probably be ahead to find a true punch press and could get it done in no time. I'm just playing around in my spare time.bsctractor: I'm kinda lost on what you are saying about keeping the halves aligned. Die is a one piece Chunk of hardened steel with a .350 land(straight). After the land is a 3 degree taper. There is about a .075 land now before the taper starts. The steel is slid through the solid chunk so alignment so always be the same. That is how I got around normal alignment problems, EDM operator next to my bussy said it wouldn't work either till he saw the slot for the steel slide through. He said "I'll be (*$^$@#)" I may make the guide a little bigger next time. I know a shear angle would help but I want the blank flat(I'm lazy)Greasydirk: I'm using scrap barrel finds and generally they are M2. New die will be a little smaller as I wasn't sure how long to make it for the different curls so I went big to be safe. Now I can make it to the bigger ones size and only grind the smaller ones to size. I'll check out the other tips tomorrow when I get home.Thanks for all the tips, Kevin

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