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Machining method through ceramic blades

A processing method and blade technology are applied in the accessories of tool holders, metal processing equipment, and tools for lathes, etc., to achieve the effect of saving processing costs

Inactive Publication Date: 2013-04-24
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to propose a processing method using ceramic blades, which solves the bottleneck problem of high-temperature alloy processing by providing a method for selecting cutting parameters and determining the cutting route

Method used

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Embodiment Construction

[0037] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] The embodiment of the present invention provides a kind of processing method that adopts ceramic blade, and its flow process is as follows figure 1 shown. The process starts at step 101 . In step 102, when the superalloy is difficult to machine, for example, when the cutting temperature is greater than or equal to 600°C, ceramic inserts are used to machine the part on a lying lathe. Materials suitable for processing ceramic blades include: high-hardness quenched steel with a hardness of Hc45-65; nickel-based and cobalt-based superalloys; high-hardness Hc45-65 cast iron materials; stainless steel, mold steel, and welds. Ceramic tools are not suitable for processing titanium alloys. Due to the low ignition point of titanium elements, if ceramic tools are used to cut titanium alloys, spontaneous combustion of waste chips may occur; in add...

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Abstract

The invention relates to a machining method through a ceramic blade and belongs to the technical field of machining. Ceramic blades are selected to machine parts on a sleeping car when high temperature alloys are difficult to machine. Selection of the ceramic blades includes firstly matching the ceramic blades with parts; selecting a large-diameter round blade to cut if machining space permits; selecting a negative rake blade to cut if external circles, end faces or inner holes of large-diameter parts are to be turned; and using the round blade to cut most allowance and then using a sharp knife or a slot blade to remove the allowance at fillet positions if molded surfaces of parts have bosses or grooves with fillet radiuses smaller than that of the round blade. According to the method, how to select cutting parameters and how to determine moving paths correctly are provided, so that the ceramic blades are applied to numerical control sleeping cars. The machining efficiency can be improved by more than 60% if ceramic tools are applied to continuous cutting of high temperature alloys and machining efficiency can be improved by more than 80% if ceramic tools are applied to interrupted cutting of high temperature alloys.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing, and relates to the field of mechanical processing applied to a numerically controlled horizontal lathe for processing high-temperature alloys, in particular to a processing method using ceramic blades. Background technique [0002] The excellent performance of high-temperature alloys presents problems and costs on the cutting tools. Compared with cutting ordinary steel parts, the cutting of these difficult-to-machine materials requires more energy and generates high cutting temperatures in the cutting area. Therefore, it is necessary to use energy Cutting temperature and high temperature resistant tools. To achieve high-efficiency cutting of high-temperature alloys, the correct selection of tool materials is the first important issue, and different tool materials have different application conditions. Only when the tool material is perfectly combined with reasonable geometric param...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B1/00B23B27/14
Inventor 崔晶杨平窦远
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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