Machine Forging (Classic Reprint)
Hamilton, Douglas T.![Machine Forging (Classic Reprint)](https://support.digitalhusky.com/media/annotations/sorted/245/24507256/CHSBZCOP0324507256.jpg)
Excerpt from Machine ForgingThe upsetting and forging machine might be considered to a certain extent as a further development of the bolt and rivet making machine, which was originated almost a century ago, but forging machines are built much heavier than bolt and rivet machines and are designed especially to meet the demands in the production of difficult-shaped and heavy forgings. For the heavier types of machines, the base or main frame, a...