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Processing method of chemical centrifugal pump shaft

A processing method and centrifugal pump technology are applied in the processing field of industrial pump accessories, which can solve the problems of low production efficiency, difficult to guarantee the precision of dimensional, geometric and position tolerances, and low processing precision, and achieve convenient processing, improve production efficiency, and ensure processing. The effect of precision

Inactive Publication Date: 2013-11-13
JIANGSU YAMEI PUMP IND GRP
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Problems solved by technology

The existing processing technology has low production efficiency, it is difficult to guarantee the accuracy of shape and position tolerance between dimensions, and the processing accuracy is low

Method used

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  • Processing method of chemical centrifugal pump shaft

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Embodiment Construction

[0014] Below in conjunction with accompanying drawing, the present invention will be further described:

[0015] Referring to the accompanying drawings, the processing method of the chemical centrifugal pump shaft is characterized in that it includes the following steps: 1) Drilling the center hole: clamp the outer circle of the blank with a three-jaw chuck, and drill the center holes at both ends of the shaft with a center drill; 2) ), Rough turning: Use the chuck of the machine core to top the shaft, leave a machining allowance of 0.2mm for each outer circle of the rough turning, and keep a machining allowance of 1mm for the length of each step of the rough turning; 3), quenching and tempering treatment; 4), Finish turning: use the movement chuck to jack the shaft well, the largest outer circle on the finish turning shaft meets the requirements of the drawing, the various threads of the finish turning meet the requirements of the drawing, the length of each step of the fi...

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Abstract

The invention relates to a processing method of a chemical centrifugal pump shaft. The processing method comprises the following steps of 1) center hole drilling: a three-claw chuck is used for clamping a blank excircle, and a center drill is used for drilling center holes at two ends of the shaft; 2) rough turning: a machine core clamp head is used for propping the shaft, each excircle is subjected to rough turning, 0.2mm of working allowance is retained, each step is subjected to rough turning, and 1mm of working allowance is retained; 3) tempering treatment; 4) finish turning: the machine core clamp head is used for propping the shaft, the maximum excircle on the shaft is subjected to the finish turning to reach the drawing requirement, various screw threads are subjected to finish turning to reach the drawing requirement, the length of each step is subjected to finish turning to reach the drawing requirement, and in addition, the chamfering is carried out; 5) grinding: the excircles in the rest positions on the shaft are ground to the size according to the drawing; 6) inspection: the inspection is carried out according to the drawing requirement; 7) milling: key grooves are milled according to the drawing requirement; 8) inspection: the work procedure 7 is inspected according to the drawing requirement. The processing method has the advantages that the processing is convenient, the processing precision can be ensured, and the production efficiency is improved. The processing method is suitable for the processing of industrial pump shafts.

Description

technical field [0001] The invention relates to the processing field of an industrial pump accessory, in particular to a processing method of a chemical centrifugal pump shaft. technical background [0002] The shaft of a chemical centrifugal pump is an important part of the pump, and the processing quality of the shaft has a great influence on the performance of the pump. The existing processing technology has low production efficiency, it is difficult to guarantee the tolerance accuracy of shape and position between dimensions, and the processing accuracy is low. Contents of the invention [0003] The object of the present invention is to provide a chemical centrifugal pump shaft. The method is convenient for processing, can ensure processing accuracy and improve production efficiency. [0004] The object of the present invention is achieved in this way: the processing method of the chemical centrifugal pump shaft is characterized in that it includes the follo...

Claims

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Application Information

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IPC IPC(8): B23P15/00
Inventor 王友宏朱巧君
Owner JIANGSU YAMEI PUMP IND GRP
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