press


The hydraulic press used to make high-pressure plastic laminates is the most expensive equipment in the process. Therefore, all other processes are designed to operate at full capacity while minimizing downtime. For example, the stacking time designed to prepare the panel press load is less than one press cycle (about lh). The press typically has 20-30 openings, and each opening has 14^16 laminate stacks ("books" are pressed. This is equivalent to 280-v480 laminates per press load. Usually press specifications 1.2m X 2. 4m, 1. 2m X 3. Om and 1. 5m X 3. 7m. Typical time temperature pressure curve.
Enzem Berger has described an unusual large press that produces 1.5mX 5.2m laminates. The press has a structure of only 4^-6 openings and only 4-6 laminates per opening. It is designed for maximum heat exchange rate, so the cycle time can be reduced to 13' 15min. Since there is only a small amount of laminate per press press, a textured finish can be used instead of a disposable textured paper. With several sets of polishing plates with different textured finishes, there is no need to pressurize and process hundreds of laminates per press. The aim is to provide maximum flexibility in operation so that small orders can be processed quickly and efficiently.
The operation of the press for decompression and pressurization is simple. A frame filled with laminate paper (ie "book") is moved to the side of the press. Push the stack of paper onto each opening of the press. This action forces the pressed paper to pile out and enters the cage that has been emptied on the other side of the press. Another device pulls the finished load from the press and pushes the next load to its proper position. The compressed paper pile is transported to the rolling station. On the press, another press cycle begins.

  • 02/01/2019
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