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[CN 201620503767.0] Hydraulic machine stroke precision control device
[CN 201620503767.0] Title of a hydraulic press stroke accuracy control device: Application number of a hydraulic press stroke accuracy control device: CN 201620503767.0 Applicant: Zhuzhou Weite Brush Co., Ltd. Application Date: 2016-5-26 Patent Type: Utility The utility model provides a hydraulic press stroke accuracy control device, which includes a control unit, a first proximity switch connected with the control unit, a positioning block and a control valve, the utility model connects the control unit and the control valve in series with the delay switch and the relay, and sets the second proximity switch at the same level of the first proximity switch. The control valve is directly controlled by the relay controlled by the second proximity switch and the delay switch, so that the piston of the hydraulic press can stop before the control unit responds, and then wait for the control signal of the control unit, which avoids the piston stroke accuracy error caused by the response time of the control unit.
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