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The surface quality of machining refers to the surface state of the part after machining. Its main contents include: geometric characteristics of the surface (including surface roughness and surface waviness)…

The mechanical assembly process is an important part of the mechanical manufacturing process and is also an important chapter that students should master. The content of this chapter includes basic…

I. Classification by application of the main machine Mechanical seals can be classified by the application of the main machine into pump seals, kettle seals, turbine compressor seals, fan seals,…

The hydraulic cylinder is an actuator in the hydraulic system, and its function is to convert hydraulic energy into mechanical energy. The input to the hydraulic cylinder is the flow…

I. Working principle of the accumulator In hydraulic systems, an accumulator is a device that uses the principle of force balance to change the volume of working oil, thereby storing…

I. Working Principle of Hydraulic Transmission Figure 1 is a diagram of a simple machine tool’s hydraulic transmission system. The hydraulic cylinder 8 is fixed on the bed, and the…

I. Advantages and Disadvantages of Hydraulic Transmission 1. Main Advantages Compared with mechanical transmission, electric transmission, and pneumatic transmission, hydraulic transmission has the following advantages: 2. Main Disadvantages Overall, hydraulic…

With the development of science and technology, the application of hydraulic transmission technology is becoming increasingly widespread, and the proportion of hydraulic equipment in various industries of the national economy…

I. Installation of Pneumatic Systems 1. Installation of Pipelines 2. Installation of Components II. System Flushing and Pressure Testing After the pipeline system is installed, use dry air with a…

Table 1 Basic Symbols, Pipelines, and Connections (GB/T 786.1—2009) Name Symbol Oil Supply and Return Lines Control Lines, Drain Lines, Flushing Lines, and Vent Lines Combination Component Outline Connection of…

I. Lathe Fixtures 1. Types and characteristics of lathe fixtures The lathe is mainly used for machining the inner and outer cylindrical surfaces, conical surfaces, rotating forming surfaces, threaded surfaces,…

Improving the machinability of workpiece materials, reasonably selecting cutting fluids, reasonably choosing tool geometry parameters and cutting amounts are important measures to improve machining quality, machining efficiency, and reduce machining…