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[CN 201821571085.9] Large-tonnage servo hydraulic press for stretching and cracking prevention of chassis parts
[CN 201821571085.9] Large-tonnage servo hydraulic machine for chassis parts stretching and cracking prevention Title: Large-tonnage servo hydraulic machine for chassis parts stretching and cracking prevention Application No.: CN 201821571085.9 Applicant: Hangzhou Huada Machinery Co., Ltd. Application Date: 2018-9-26 Patent Type: Utility Model The utility model discloses a large-tonnage servo hydraulic machine for chassis parts stretching and cracking prevention, including a base, a pull plate, a pull sensor and an infrared sensor, the pulling plate is installed above the operating table, the upper end of the pulling plate is installed with a pulling drive shaft, a control panel is provided on one side of the hydraulic machine body, a display screen is installed on the outside of the control panel, a button is installed under the display screen, a fixing plate is installed under the pulling plate, a hydraulic cylinder is provided on the upper end of the drive shaft, a hydraulic pump is provided on one side of the hydraulic cylinder, and a servo motor is provided on the hydraulic pump. The beneficial effects are: 1. The servo motor is set to make the device work more accurately and the control more sensitive; 2. By setting the tension sensor and the infrared sensor, the stretching condition of the workpiece is detected in real time to prevent the workpiece from stretching and cracking, and the practicability is strong.
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