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Internal high pressure forming hydraulic press

2021-09-29 14:29:14
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Internal high pressure forming hydraulic press
Details:

Principle:

By applying high-pressure liquid and axial feeding to the inside of the pipe, the pipe is pressed into the die cavity to form a specific shape component, which is suitable for mass manufacturing of lightweight special-shaped section components. Main process: bending - pre forming - internal high pressure forming.

Advantages:

The weight is reduced by 15% - 30%, the number of parts is small, the stiffness and integrity are good, the material utilization rate is high, and the cost of molds and parts is low.

Equipment composition:

The internal high pressure forming equipment is composed of "die closing press" and "internal high pressure system". The internal high pressure system includes five subsystems: horizontal servo cylinder, supercharger, hydraulic system, hydraulic system and computer control system. Automatically realized process actions: clamping - applying clamping force - water medium filling and circulation - judging high-pressure sealing - executing loading curve - synchronously removing internal pressure - withdrawing punch and opening die.

Equipment features:

The clamping press and the internal high pressure forming system have independent control systems. It can form a complete internal high-pressure forming machine online to realize full-automatic production, and can be used independently.

Variable clamping force. In the process of internal high pressure forming, the clamping force of the press changes with the internal pressure, greatly reducing the die size, stress and deformation, which can effectively avoid the problem of die collapse caused by pipe expansion.

Loading curve closed-loop real-time and accurate control to realize NC loading. Under the condition of ultra-high pressure (400MPa), according to the requirements of forming process, the internal pressure and axial displacement can realize NC loading according to the set curve through the cooperation of hardware and software.

Application case:


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Technology:中企视窗
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