Main shaft chuck machining method of single energy machine

A processing method and spindle technology, which are applied in the field of single-energy machine spindle chuck processing, can solve the problems of low roughness of the inner hole of the chuck, reduced machining accuracy of the workpiece, poor concentricity of the chuck hole, etc., so as to reduce production costs and maintenance. Low cost, low processing cost, and the effect of ensuring the concentricity of processing

Inactive Publication Date: 2016-08-03
昆山布拉特机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current chuck processing method is complex and has a high defect rate. At the same time, the inner hole of the chuck has low roughness and is easy to wear, which will eventually cause poor concentricity of the chuck hole and reduce the precision of the processed workpiece.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A method for processing a spindle chuck of a single-function machine, comprising the following steps:

[0023] ⑴Blanking, to obtain the billet, carry out overall heat treatment on the billet, the hardness of the billet is quenched and tempered to HRC20, the temperature is controlled at 850°C, the time is 2h, then kept for 2h, and then soaked in water for 3min;

[0024] ⑵Using CNC to process the preliminary shape of the blank to obtain the preliminary formed workpiece, and punch the front end of the workpiece with a diameter of φ24;

[0025] ⑶Punch a step hole on the rear end of the workpiece, the hole diameter is φ2.5, then punch a 20-degree hole through the step hole, and then punch a 30-degree hole to check the concentricity of the punched hole;

[0026] ⑷ Deburring the holes drilled in step ⑵ and step ⑶, then threading the contact surface between the front end of the workpiece and the middle end of the workpiece, processing chamfers on the thread surface, the size of...

Embodiment 2

[0031] A method for processing a spindle chuck of a single-function machine, comprising the following steps:

[0032] ⑴Blanking, to obtain the billet, carry out overall heat treatment on the billet, the hardness of the billet is quenched and tempered to HRC20-25, the temperature is controlled at 855°C, the time is 2.5h, then kept for 2h, and then soaked in water for 4min;

[0033] ⑵Using CNC to process the preliminary shape of the blank to obtain the preliminary formed workpiece, and punch the front end of the workpiece with a diameter of φ24;

[0034] ⑶Punch a step hole on the rear end of the workpiece, the hole diameter is φ2.5, then punch a 20-degree hole through the step hole, and then punch a 30-degree hole to check the concentricity of the punched hole;

[0035] ⑷ Deburring the holes drilled in step ⑵ and step ⑶, then threading the contact surface between the front end of the workpiece and the middle end of the workpiece, processing chamfers on the thread surface, the si...

Embodiment 3

[0040] A method for processing a spindle chuck of a single-function machine, comprising the following steps:

[0041] ⑴Blanking, to obtain the billet, carry out overall heat treatment on the billet, the hardness of the billet is quenched and tempered to HRC25, the temperature is controlled at 860°C, the time is 3h, then kept for 2h, and then soaked in water for 5min;

[0042] ⑵Using CNC to process the preliminary shape of the blank to obtain the preliminary formed workpiece, and punch the front end of the workpiece with a diameter of φ24;

[0043] ⑶Punch a step hole on the rear end of the workpiece, the hole diameter is φ2.5, then punch a 20-degree hole through the step hole, and then punch a 30-degree hole to check the concentricity of the punched hole;

[0044] ⑷ Deburring the holes drilled in step ⑵ and step ⑶, then threading the contact surface between the front end of the workpiece and the middle end of the workpiece, processing chamfers on the thread surface, the size of...

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PUM

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Abstract

The present invention proposes a processing method for the main shaft chuck of a single-energy machine, comprising the following steps: (1) blanking, obtaining a blank, and carrying out overall heat treatment on the blank; then performing preliminary molding on the obtained blank, and then punching; Chamfering, and thread processing; followed by slotting; after that, high-frequency quenching of the slotted end; final inspection, labeling, and packaging. This method is simple and reasonable, can guarantee the processing concentricity and precision of the chuck, improves the wear resistance of the chuck, effectively prolongs the service life of the chuck, reduces the wear of the main shaft at the same time, and improves the service life of the main shaft , and the collet has a certain degree of elasticity, the processing cost is low, the production cost and maintenance cost are reduced, and the requirements of customers are met.

Description

technical field [0001] The invention relates to the technical field of processing chucks, in particular to a processing method for a spindle chuck of a single-energy machine. Background technique [0002] The current automatic processing equipment is expensive, and it is difficult and costly to replace the spindle connector after it is worn out, which affects the production process. Therefore, how to process the used chuck as a wearing part can ensure the hardness of the chuck and prolong its use. It is an important issue that it is not easy to damage the main shaft tie rod connector with long service life. [0003] At the same time, if the main shaft can rotate in the chuck, a certain gap should be maintained between the main shaft and the inner hole of the chuck; when the gap between the chuck and the main shaft is too large, it will affect the machining accuracy. If the gap between the spindles is too small, the surface finish and precision of the workpiece will be damag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 李强杨毅锋
Owner 昆山布拉特机械有限公司
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