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Drilling tool technology procedure parameter adjustment test device controller and control method

A technology of parameter adjustment and test equipment, applied in the direction of comprehensive factory control, electrical program control, comprehensive factory control, etc., can solve problems such as no consistent conclusions, great influence of drilling tool temperature rise, etc.

Active Publication Date: 2016-03-02
BEIHANG UNIV
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Problems solved by technology

In practical applications, the temperature rise of the drilling tool is usually controlled by adjusting the parameters of the drilling process, but there is still no consistent conclusion as to which parameter has a greater impact on the temperature rise of the drilling tool

Method used

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  • Drilling tool technology procedure parameter adjustment test device controller and control method
  • Drilling tool technology procedure parameter adjustment test device controller and control method
  • Drilling tool technology procedure parameter adjustment test device controller and control method

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Embodiment Construction

[0106] The present invention will be further described below in conjunction with the accompanying drawings.

[0107] The controller of the drilling tool process specification parameter adjustment test device of the present invention includes a total of four parts: the drilling control subsystem, the temperature control subsystem, the vacuum control subsystem and the control center, such as figure 1 shown.

[0108] The drilling control subsystem is used to realize the drilling control of the drilling mechanism, including a motion control card, a rotary driver, a rotary encoder, an impact driver, an impact encoder, a feed driver, a feed encoder, an amplifier, an A / D converter, compression torsion compound force sensor, position switch, thermocouple, temperature inspection instrument, communication interface of drilling control subsystem, electrical interface of drilling control subsystem, such as figure 2 shown. Among them, the motion control card is the control core of the ...

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Abstract

The invention discloses a drilling tool technology procedure parameter adjustment test device controller and a control method. The drilling process of a drilling tool, temperature of a drilling environment and the vacuum degree of the drilling environment can be controlled by the controller. Besides, communication with a control center is realized by respective communication interfaces, and the control center can control independent operation of each subsystem. The control method of the controller comprises the steps that firstly a feed motor performs low-speed feeding, and whether the drilling tool is contacted with a drilling object is judged according to force feedback; then the drilling tool is contacted with the drilling object, the feed motor maintains low-speed feeding, and a rotation motor starts low-speed rotation; the drilling speed level is adjusted anytime in the drilling process, and the speed of the feed motor gradually transforms to low speed from high speed according to the force feedback speed level; and an impact motor is started when encountering severe working conditions, and rotation-impact drilling is applied. Advantages of the controller and the control method are that different combinations of tests can be performed through control so that test device debugging is greatly facilitated and the great drilling effect of the drilling tool can be guaranteed.

Description

technical field [0001] The invention relates to a controller and a control method of a drilling tool process specification parameter adjustment test device, in particular to a drilling tool process specification parameter adjustment test device controller and control method capable of performing drilling tool process specification parameter adjustment in a vacuum environment, high temperature or low temperature drilling objects. Background technique [0002] In the fields of geological exploration, mining, oil drilling, and sampling of extraterrestrial objects, it is often necessary to drill geological layers. During the drilling process, the temperature of the drill bit will increase obviously. If the temperature is too high, the thermal stress generated by the drill bit will not only exceed the allowable strength of the drill bit material, but also produce adverse effects such as material denaturation, which will reduce the service life of the drill bit. Early failure, res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02G05B19/418
Inventor 丁希仑张涛刘舒婷张武翔徐坤
Owner BEIHANG UNIV
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