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Turning process of 1Cr23Ni18 heat-resistance stainless steel

A heat-resistant stainless steel, turning technology, applied in turning equipment, workpieces, manufacturing tools, etc., can solve the problems of poor machinability, surface hardening, and easy deformation, etc., to improve fatigue resistance and corrosion resistance, and prolong service life The effect of longevity

Inactive Publication Date: 2015-07-01
QINGDAO YUGUANG PRECISION CASTING FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hardness of 1Cr23Ni18 is not high, but its plasticity and toughness are high, and it is easy to produce deformation, surface hardening and tool built-up edge during cutting, so the machinability is relatively poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0016] The 1Cr23Ni18 heat-resistant stainless steel turning process of the present embodiment comprises the following steps:

[0017] (1) According to factors such as the difficulty of cutting 1Cr23Ni18 heat-resistant stainless steel and actual production, the present invention selects a cemented carbide tool YT15 ceramic tool with higher hardness, better wear resistance and anti-sticking properties;

[0018] (2) Machine tool parameters: the machine tool model is CAX6140 ordinary lathe, the maximum spindle speed is 1000r / min;

[0019] (3) The geometric size of the sample used is φ80mm×200mm;

[0020] (4) Set the ceramic tool at f=0.1mm / r, a p =2mm, v σ =115m / min under the condition of cutting 20min.

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PUM

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Abstract

The invention discloses a turning process of 1Cr23Ni18 heat-resistance stainless steel; and YT15, YW2, YG6X and YL100 ceramic cutters are adopted to perform a turning test for 1Cr23Ni18 austenitic heat-resistance stainless steel to obtain better durability and surface quality of the YG6X and YW2 cutters for cutting the 1Cr23Ni18 heat-resistance stainless steel with lower speed. When the cutting speed is higher, the durability of the YG6X cutter is lower, and the durability of the YL100 ceramic cutter is better. The cutting process parameters of the ceramic cutters are adjusted; under the conditions of guaranteeing the workpiece surface quality and preventing the cutter damage, a pressure stress hardened layer of 0.1-0.5 mm is generated on the workpiece surface by the X-ray diffraction analysis, so that the workpiece service life can be prolonged above 30%.

Description

[0001] technical field [0002] The invention belongs to the technical field of casting, and in particular relates to a turning process of 1Cr23Ni18 heat-resistant stainless steel. [0003] Background technique [0004] 1Cr23Ni18 belongs to austenitic hot stainless steel, which has high strength and excellent oxidation resistance at high temperatures. It is generally used to make parts that can withstand ambient temperatures above 600°C and high stress, and its oxidation resistance temperature can reach 850 ℃~1250℃, it is widely used in industries such as heating furnaces in refineries, cement drying kilns, ore roasting furnaces and heat treatment furnace components. The hardness of 1Cr23Ni18 is not high, but its plasticity and toughness are high, and it is easy to produce deformation, surface hardening and tool built-up edge during cutting, so the machinability is relatively poor. [0005] Contents of the invention [0006] In order to overcome the above-mentioned ...

Claims

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Application Information

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IPC IPC(8): B23B1/00B23B27/00
CPCB23B1/00B23B27/00B23B2222/28B23B2222/80B23B2226/18
Inventor 陈玉光
Owner QINGDAO YUGUANG PRECISION CASTING FACTORY