Application of air momentum meter in rotary compressor of air conditioning refrigerator:
    First, piston class
    1Piston outside diameter, perpendicularity measuring tool
    Test content:The perpendicularity of the outside diameter of the piston of the rotary compressor to the reference.
    Technical indicators:Repeated measurement accuracy≥1/10Tolerance to be measured.
    2Piston inner diameter and coaxial measuring tool
    Test content:The concentricity of the inner hole and the outer circle of the piston, pneumatic non-contact measurement, can detect the inner diameter of the piston, perpendicularity and the concentricity of the inner and outer circle.
    Technical indicators:Repeated measurement accuracy≥1/10Tolerance to be measured.
    3Piston inner diameter and verticality measuring tool
    Test content:Detect the inner diameter of the compressor piston and the perpendicularity of the center line to the end face.
    Technical indicators:Repeated measurement accuracy≥1/10Tolerance to be measured.
    4Compressor piston height measuring tool
    Test content:Detecting piston heightHAnd the parallelism above and below.
    Technical indicators:Repeated measurement accuracy≥1/10Tolerance to be measured.
    Two, the cylinder class
    Test content:Cylinder bore and perpendicularity; Cylinder bore, perpendicularity and coaxiality; Cylinder height, parallelism; Cylinder slide groove width; Cylinder slide groove perpendicularity; Cylinder hole position; Cylinder suction hole position; Cylinder suction hole wall thickness, etc.
    Technical indicators:Repeated measurement accuracy≥1/10Tolerance to be measured.
    Three, eccentric shaft class
    Test content:Eccentric shaft outside diameter; The perpendicularity of the crankshaft thrust facing the center line of the long shaft; Flatness and verticality of crankshaft thrust surface; Eccentric shaft long and short axis multi-section outside diameter, roundness and taper; The eccentricity of the outer circle of the eccentric shaft to the main shaft; The length of eccentric axis, the outside diameter of short axis and the coaxiality of long axis and short axis, etc.

    Technical indicators:Repeated measurement accuracy≥1/10Tolerance to be measured.

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