press

Hi guys, Although I have no space, I feel I need a shop press. I noticed there are 2 different shop press designs. One where the jack is under the top beam, and one where it's above. Does the jack location make any difference with the press' performance? I am attaching a couple of pics...

Had someone used a regular shop press plus a bearing ball to conduct a Brinell test? My goal is identify unknown steels and relate brinell hardness with ultimate strenght. At 3tons, there much risk of ball bearing exploding? https://me-mechanicalengineering.com/brinell-hardness-test/

I have been looking into making coins. From what I have read I need upward of a 100 ton press and most likely in the 500 ton range to make a good impression. I was hoping to go at it from the other end with softer metal, like annealed copper or aluminum. Other thoughts are use of other...

Hello, I've got a generic 10ton hydraulic press that a friend left with me, it's got some sort of issue with holding pressure, cant quite figure out what it is thats letting by in the system. http://www.drapertools.com/product/10582/10-Tonne-Hydraulic-Bench-Press Sometimes if you pump fast...