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Superhard tungsten carbide deep hole shock-resistant inner-cooling adjustable boring tool

A tungsten carbide boring tool, tungsten carbide technology, applied in boring bars, accessories of tool holders, tools for lathes, etc., can solve problems such as failure to meet the requirements of drawings, achieve low cost, ensure dimensional accuracy requirements, and manufacture short cycle effect

Inactive Publication Date: 2013-04-10
TIANCHANG CYLINDER HEAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the processing of domestic boring tools cannot meet the requirements of the drawings, and needs to be improved urgently.

Method used

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  • Superhard tungsten carbide deep hole shock-resistant inner-cooling adjustable boring tool
  • Superhard tungsten carbide deep hole shock-resistant inner-cooling adjustable boring tool
  • Superhard tungsten carbide deep hole shock-resistant inner-cooling adjustable boring tool

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Embodiment Construction

[0021] Embodiment 1 of the present invention provides a superhard tungsten carbide deep hole shock-resistant adjustable boring tool with internal cooling, such as Figure 1 to Figure 3 As shown, it includes: hard alloy tool holder 2, which is connected with the scale end of eccentric sleeve 3 with scale through screw 4, and the other end of eccentric sleeve 3 with scale is connected with non-standard side fixed tool handle 5. The diameter of the eccentric sleeve 3 is adjustable. Among them, the cemented carbide tool holder 2 can be made of super-hard tungsten carbide boring tool holder and made of high-toughness formula material to achieve high hardness, high shock resistance, built-in water hole, and direct cooling. It can improve the straightness, surface quality and dimensional accuracy of processed deep holes, involving a hole diameter of 6-30mm and an aspect ratio of 5-20mm. The dimensional accuracy and surface quality of the boring hole are stable, the roughness Ra≤1.6u...

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Abstract

The invention discloses a superhard tungsten carbide deep hole shock-resistant inner-cooling adjustable boring tool. The tool comprises a cemented carbide toolbar which is connected with a scale end of an eccentric bushing with scales through a screw, the other end of the eccentric bushing with the scales is connected with a non-standard side fixed toolbar, and the diameter of the eccentric bushing with the scales can be adjusted. According to the tool, the tool does not need to be directly adjusted through a tool setting gauge, and according to the required hole size precision and length-diameter ratio, the boring toolbar and the adjustable eccentric bushing with accurate scales are designed; according to the processed material, machine tool configuration, connection mode and rotation angle during the process, the cutting parameters of the tool in a static state are designed; and dimensional accuracy requirements can be ensured, and the tool is low in cost, is convenient and the manufacturing period is short.

Description

technical field [0001] The invention relates to a superhard tungsten carbide boring tool with shock resistance and internal cooling adjustable for deep holes. Background technique [0002] Diesel engine parts, hydraulic parts, automobile and other industries, especially when processing high-precision hole systems in cylinder heads, such as diesel engine cylinder head installation holes and conduit holes require strong interchangeability. The small and deep holes in high-end four-valve cylinder heads, such as valve guide bottom holes and guide holes, require dimensional accuracy below H7, roughness below Ra≤1.6um, cylindricity and taper≤6um, and straightness≤5um. Generally, the processing of domestic boring tools cannot meet the requirements of drawings and needs to be improved urgently. Contents of the invention [0003] Aiming at the problems existing in the prior art, the purpose of the present invention is to propose a superhard tungsten carbide deep hole shock-resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B27/00B23B29/02
Inventor 陈文标
Owner TIANCHANG CYLINDER HEAD
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