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Technology for machining hollow shaft of rotary drill

A roller cone drill and machining technology, applied in the field of mechanical processing, can solve the problems of low product performance and work efficiency of the roller cone drill, and achieve the effects of improving production efficiency, ensuring product quality, and simplifying process flow

Inactive Publication Date: 2014-11-19
SHAANXI ALLIANCE LOGISTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pressurizing mechanism exerts axial pressure on the drill bit to break the rock. The hollow shaft is the core part of the roller cone drilling machine. Its working performance under complex working conditions makes the product performance and working efficiency of the roller cone drilling machine relatively low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] The mechanical processing technology of the hollow shaft of the roller cone drilling rig of the present invention, the processing route of the hollow shaft is, under the condition of a single small batch production of the hollow shaft, the processing process is as follows: forging-heat treatment-car marking-car drilling-car-heat treatment One car, one deep hole drilling, one car, one milling, cylindrical grinding, one shaft milling, one car, one car marking, one car drilling, one 4m gantry milling and one clamp.

[0009] The processing method of the main parts of the hollow shaft is as follows: the left end boring is used as the process reference, the three bearing positions with a surface roughness of Ra1.6 and the outer circle of the spline and the outer circle are ground by a grinding machine, and the inner and outer diameters and threads of the other parts are ground. Turned by lathe. The right end hole turning and the left end taper hole turning are turned to the s...

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PUM

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Abstract

The invention relates to the field of machining, in particular to a method for machining a hollow shaft of a rotary drill. According to the method for machining the hollow shaft of the rotary drill, under the condition that hollow shafts are produced in a single and small batch, the machining steps of forging, heat treatment, turning marking, turning drill, turning, heat treatment, turning, deep hole drilling, turning, grinding of a milled outer circle, shaft milling, turning, turning marking, turning drilling, milling through a four-meter planer type milling machine and clamping are executed in sequence. According to the method for machining the hollow shaft of the rotary drill, the processes of the method are simplified, the datum of the machining method is selected reasonably, in this way, the product quality can be guaranteed, and the production efficiency can be improved.

Description

technical field [0001] The invention relates to the field of machining, in particular to a machining process for a hollow shaft of a roller cone drill. technical background [0002] When the roller cone drilling rig is working, the drilling tool is mainly rotated to drill holes through its rotary and pressurizing mechanism. The roller cone drilling rig is connected with the drilling tool through the main hollow shaft of the slewing mechanism reducer, which is used to rotate the drilling tool and transmit the torque and speed of the motor to the drill bit. The pressurizing mechanism exerts axial pressure on the drill bit to break the rock. The hollow shaft is the core part of the roller cone drilling machine. Its working performance under complex working conditions makes the product performance and working efficiency of the roller cone drilling machine relatively low. Contents of the invention [0003] In order to solve the above problems, the present invention provides a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/14
CPCB23P15/14
Inventor 刘秋丽
Owner SHAANXI ALLIANCE LOGISTICS