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zirconia ceramic bearings for electrical machines

Time: 2019-06-15 Writer: mingrui

zirconia ceramic bearings for electrical machines

Zirconia ceramic parts are also widely used, for the use of different parts of the quality requirements of the size is different, so zirconia ceramic in the use of motor bearings when what requirements?The following metalworking precision for you to introduce the motor zirconia ceramic bearings have any requirements.

Geometric shape accuracy: the geometric shape accuracy of zirconia ceramic bearing parts mainly refers to the roundness and cylindricity of shaft neck, outer cone surface, mohs cone hole, etc., generally the tolerance should be limited within the size tolerance range.For the inner and outer circular surfaces with high accuracy requirements, the allowable deviation shall be marked on the drawings.

Dimensional accuracy: zirconia ceramic bearing as a supporting journal in order to determine the position of the shaft, usually requires a higher dimensional accuracy (IT5~IT7).The dimension accuracy of shaft neck for assembly drive parts is generally low (IT6~IT9).

Mutual position accuracy: the position accuracy requirement of zirconia ceramic bearing parts is mainly determined by the position and function of zirconia ceramic shaft in the machine.Generally, the coaxiality of the shaft neck of the assembly of the transmission part should be guaranteed to the supporting shaft neck, otherwise it will affect the transmission precision of the transmission part (gear, etc.) and produce noise.Ordinary precision zirconia ceramic shaft, its matching shaft section to support the radial runout of the journal is generally 0.01~0.03mm, high precision shaft (such as the spindle) is usually 0.001~0.005mm.

The above is for you to analyze the zirconia ceramic bearings for the motor has what requirements, zirconia ceramic used in the motor for its geometric shape accuracy, dimensional accuracy, mutual position accuracy and other aspects of the relevant requirements.

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zirconia ceramic bearings for electrical machines

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