Many years ago Lindberg Heat Treat had at least 12 unique systems for tempering stampings. The technology was called “Clamp Temper Press” and the idea behind it was that hot stampings could be clamped during the temper process to reduce distortion. Most of them had three or four heated platen’s and were closed up to about 20,000 lbs. of clamping pressure. A heat treater remembers the technology but has been unable to find out who made the systems or if they are even available any longer. While similar to this picture (from Parker Trutec) the units in question had heated platens. If any of our readers has knowledge about this technology we would appreciate hearing about it.

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