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A kind of manufacturing method of multifunctional drill bit

A manufacturing method and multi-functional technology, applied in the field of drilling tool processing, can solve the problems of long electroplating cycle, block drop, obvious edge effect, etc., so as to improve drilling efficiency and life, improve drilling efficiency and life, and shorten electroplating time. Effect

Active Publication Date: 2018-07-03
SHIJIAZHUANG JINBOHUI TOOLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ordinary electroplating method has a long electroplating cycle, and the electroplating cycle takes 7 to 10 days for only a 5cm electroplating layer. The edge effect is obvious, and there is a phenomenon of falling blocks during the drilling process.

Method used

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  • A kind of manufacturing method of multifunctional drill bit

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0018] see figure 1 As shown, the embodiment of the present invention provides a method for manufacturing a multifunctional drill. The multi-functional drill bit includes: a drill body 1; six blades 2, the blades 2 are symmetrically arranged on the drill body 1, and the adjacent blades 2 are respectively provided with diamond impregnated teeth 3 and composite sheets 4; at least one The nozzle 5 is located between the blades 2 on the drill bit body 1 . The multifunctional drill bit is provided with diamond-impregnated teeth 3 and composite sheets 4 on the adjacent blades 2 respectively. The diamond-impregnated teeth 3 have an excellent grinding function, and the composite sheet 4 has an excellent cutting function, ensuring that the drill bit It has a wide range of applications, good impact resistance and toughness, which greatly improves the ...

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Abstract

The invention discloses a manufacturing method for a multifunctional drill, and relates to the technical field of drilling tool machining. The manufacturing method comprises the following steps that 1, a diamond is subjected to ultrasonic cleaning; 2, a diamond compact is manufactured through a hot-pressing sintering method; 3, a graphite mold is taken down after cooling, machining is carried out to remove burrs, and a gate is machined; 4, an impregnated diamond segment is manufactured in a hot-pressing sintering manner; and 5, the impregnated diamond segment is welded on a rigid body through an ultrasonic electroplating method for manufacturing an impregnated diamond tooth. The multifunctional drill is manufactured through the method of combining the hot-pressing sintering method and the low-pressure electroplating method, and the matrix formulation during hot-pressing sintering is improved; and the impregnated diamond segment is ultrasonically cleaned and electroplated, the electroplating time is shortened, the stress of the drill is lowered, bezel setting on the diamond is enhanced, and therefore the drilling efficiency of the drill is greatly improved, and the service life of the drill is greatly prolonged. The multifunctional drill manufactured through the method is short in production period, wide in application range, higher in drilling efficiency and longer in service life.

Description

technical field [0001] The invention relates to the technical field of drilling tools, in particular to a method for manufacturing a multifunctional drill. Background technique [0002] The multifunctional drill bit involved in the present invention includes a blade composed of diamond impregnated teeth and composite sheets. At present, the manufacturing method of composite sheets mostly adopts the hot pressing sintering method, using metal alloy powder such as tungsten carbide as the main material of the carcass, and is formed by hot pressing and sintering under high temperature conditions. However, the cost of tungsten carbide alloy powder is high, the bending strength of the matrix is ​​low and the hardness is insufficient, the drill bit life is short, and the drilling efficiency is not ideal. [0003] The current more advanced manufacturing method of diamond-impregnated teeth is the method of combining hot-press sintering and low-temperature electroplating. First, hot-p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/28B23B51/00
CPCB23B51/00B23B2226/31B23P15/28
Inventor 唐莉梅
Owner SHIJIAZHUANG JINBOHUI TOOLS