A Method of Using Cartridge Logic Valve to Realize Hydraulic Control of Pulling and Straightening
A logic valve and plug-in technology, which is applied in the direction of fluid pressure actuators, servo motor components, mechanical equipment, etc., can solve the problems of small diameter of plate valve parts, large tension and straightening hydraulic system, and slow response speed. Achieve the effects of reduced structure, less internal leakage and high reliability
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[0013] The technical solutions of the present invention will be further described below through specific embodiments in conjunction with the accompanying drawings.
[0014] Such as figure 1 As shown, the present invention uses a plug-in logic valve to realize the hydraulic control method for tension leveling. The hydraulic control method for tension leveling of each stream of the continuous casting machine is the same, and they are all combined with functional integrated blocks using a cascading connection. Each stream has three functions. Manifolds, from bottom to top, are the decompression logic valve manifold 22, the billet drawing logic valve manifold 21, and the stripping logic valve manifold 20. The decompression logic valve manifold 22 is composed of a plug-in logic valve 1, a plug-in logic valve 2, a low-pressure pressure relief valve 16, a two-position four-way reversing valve 17, and a high-pressure pressure relief valve 18. The reversing valve 17 is a high-pressure...
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