The power loss of power losses in power and efficiency (1) hydraulic pump hydraulic pump have volume loss and mechanical loss of two parts: l) Volume loss volume loss means the loss of the flow of the hydraulic pump, the actual output flow rate of the hydraulic pump is always less than its theoretical hydraulic motors detection, the main reason is due to the leak, the oil inside the compression pump high-pressure chamber and the suction in the suction process due to too much resistance, oil viscosity and pump speed reasons which led to higher oil was not all work full seal chamber. Volume loss of volumetric efficiency of the hydraulic pump to said hydraulic pump is equal to the ratio of actual output flow q qt of its theoretical flow, i.e. the actual pump output flow as q rely on several plungers reciprocating piston in the cylinder sliding process, complete suction - drain process. When the drain, the plunger moves forward, this action driven by the swash plate. When the suction hydraulic motor repair, rearward movement of the plunger hydraulic motors overhaul, this action is to return the disc to complete. Rear cylinder has a spring, a spring pushes the ball of the sleeve, the sleeve push return plate. There are 7 or 9 of the plunger hole hydraulic motors on return plate, press and hold the plunger slipper. In the semi-circle rotation of the suction, return plate inclined rotating shoe pushed to the back, the plunger suction action can be done. Hydraulic motor sales, crystal creating a hydraulic quality assurance (certification), a hydraulic motor provided by the Jinan Jing Chong Hydraulic Machinery Co., Ltd .. Jinan Jing Chong Hydraulic Machinery Co., Ltd. (www.jnjcyy.com) (www.jnjcyy.com) Shandong Jinan, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. In the crystal creating hydraulic leadership with the staff warmly welcome all inquiries negotiations to create the crystal creating hydraulic better future.