| 摘要 |
PURPOSE: A structure for compressing gas of reciprocating compressor is provided to reduce number of components and to easily process and assembly the components. CONSTITUTION: A structure includes a cylinder-integrated frame(100) formed with aluminum, and having a piston insertion hole(102) formed on a frame body(101); coating membrane(C) formed with lubricative and abrasion resistant material such as Ni-P alloy, and formed on an inner circumferential wall of the piston insertion hole; and a piston(70) inserted to the piston insertion hole, and receiving linear reciprocating driving force of a reciprocating motor to linearly reciprocate in the piston insertion hole. Components and assembling work and process are simplified as the piston is inserted to the piston insertion hole of the cylinder-integrated frame. The coating membrane minimizes friction and abrasion between a periphery of the piston and the inner circumferential wall of the piston insertion hole of the cylinder-integrated frame when the piston linearly reciprocates.
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