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The measurement method of axial clearance of the gear pump - bearing knowledge

by:Waxing     2020-06-21
1, choose appropriate specifications ring spanner ( Preferable) Or open end wrench; Choose the outside micrometer with 0 ~ 25 mm; 2, choose suitable soft lead wire diameter ( 0. 5 < d < 1。 3mm) Paragraph 2, each length of about gear section circumference; 3, the operation of lead wire ( 1) Assembled the main, driven gear; ( 2) Paste separately with the grease will be three soft lead wire on the Lord, driven gear pitch circle; ( 3) Install the pump cover ( Including gaskets and shaft sleeve) 2 ~ 3 times, symmetrical evenly tighten nut; ( 4) Symmetrical evenly screw pump under the cap nut, remove the pump cover, remove the soft lead wire and clean; ( 5) Select four points in each lead wire, measured with outside micrometer thickness measuring soft lead wire and record; 4, the measurement data analysis ( 1) Calculate the average value of eight measurements, namely as the axial clearance; ( 2) According to the measured axial clearance value with the normal range ( As a general rule, be 0. 06 ~ 0. 10 mm, low-pressure pump allows to 0. 10 to 0. 25毫米) Compared to conclude that can continue to use or need to repair.
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