CN105734212A - Heat treatment process for Cr12MoV steel cylindrical die roll - Google Patents

Heat treatment process for Cr12MoV steel cylindrical die roll Download PDF

Info

Publication number
CN105734212A
CN105734212A CN201410744846.6A CN201410744846A CN105734212A CN 105734212 A CN105734212 A CN 105734212A CN 201410744846 A CN201410744846 A CN 201410744846A CN 105734212 A CN105734212 A CN 105734212A
Authority
CN
China
Prior art keywords
cylindrical die
die roll
steel cylindrical
cr12mov steel
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410744846.6A
Other languages
Chinese (zh)
Inventor
杨斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Jinsheng Machinery Parts Manufacturing Co Ltd
Original Assignee
Chongqing Jinsheng Machinery Parts Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Jinsheng Machinery Parts Manufacturing Co Ltd filed Critical Chongqing Jinsheng Machinery Parts Manufacturing Co Ltd
Priority to CN201410744846.6A priority Critical patent/CN105734212A/en
Publication of CN105734212A publication Critical patent/CN105734212A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a heat treatment process for a Cr12MoV steel cylindrical die roll. The heat treatment process is characterized by comprising the following steps of (1) primary preheating, (2) secondary preheating, (3) quenching treatment, (4) primary tempering and (5) secondary tempering. According to the heat treatment process for the Cr12MoV steel cylindrical die roll, the surface hardness and cutting toughness of the Cr12MoV steel cylindrical die roll can be improved, and the service life can be prolonged.

Description

A kind of Technology for Heating Processing of Cr12MoV steel cylindrical die roll
Technical field
The invention belongs to Technology for Heating Processing field, specifically the Technology for Heating Processing of a kind of Cr12MoV steel cylindrical die roll.
Background technology
Heat treatment is on the cutting ability of cutter and has highly important impact service life.And domestic cutter with abroad have bigger difference, raw material spectrum analysis to show, both chemical compositions it makes no odds, but inherent qualities such as microstructure hardness or different, this is relevant with heat treatment, it is seen then that heat treatment is how important.Theory traditionally, the screw tools such as screw tap belong to slow cutting, slow-speed of revolution type, do not need red hardness, the material such as also unnecessarily choose to make, but it is as the efficiently appearance of Machining Technology for Cutting and being on the increase of difficult-to-machine material such as Numeric Control Technology, machining center, tool sharpening require raising and need updating of thermal treatment process technology, the Technology for Heating Processing of cutter also changes therewith.
Summary of the invention
It is an object of the invention to for Shortcomings part in above-mentioned technology, the present invention provides the Technology for Heating Processing of a kind of Cr12MoV steel cylindrical die roll, can improve the case hardness of Cr12MoV steel cylindrical die roll, cutting toughness, improve service life.
The technical scheme realizing the object of the invention is as follows:
The Technology for Heating Processing of a kind of Cr12MoV steel cylindrical die roll, is characterised by, comprises the following steps that:
(1) first time preheating: preheating temperature 600~650 DEG C, firing rate 60-80 DEG C/h;
(2) second time preheating: preheating temperature 800~850 DEG C, firing rate 15-25 DEG C/h;
(3) Quenching Treatment: heating-up temperature 1090~1100 DEG C, firing rate 20-30 DEG C/h;Hardening heat 180~250 DEG C, time 20-30min, adopt salt made from earth containing a comparatively high percentage of sodium chloride cooling;
(4) first tempering: temperature 470~520 DEG C, are incubated 2h, then are cooled to-70~-80 DEG C, are incubated 1.5-3h cold treatment;
(5) second tempering: temperature 470~520 DEG C, are incubated 2-3h.
The Technology for Heating Processing of a kind of Cr12MoV steel cylindrical die roll of the present invention, can improve the case hardness of Cr12MoV steel cylindrical die roll, cutting toughness, improve service life.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment: the Technology for Heating Processing of a kind of Cr12MoV steel cylindrical die roll, comprises the following steps that:
(1) first time preheating: preheating temperature 600~650 DEG C, firing rate 60-80 DEG C/h;
(2) second time preheating: preheating temperature 800~850 DEG C, firing rate 15-25 DEG C/h;
(3) Quenching Treatment: heating-up temperature 1090~1100 DEG C, firing rate 20-30 DEG C/h;Hardening heat 180~250 DEG C, time 20-30min, adopt salt made from earth containing a comparatively high percentage of sodium chloride cooling;
(4) first tempering: temperature 470~520 DEG C, are incubated 2h, then are cooled to-70~-80 DEG C, are incubated 1.5-3h cold treatment;
(5) second tempering: temperature 470~520 DEG C, are incubated 2-3h.
The Technology for Heating Processing of a kind of Cr12MoV steel cylindrical die roll of the present invention, can improve the case hardness of Cr12MoV steel cylindrical die roll, cutting toughness, improve service life.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to the design of the present invention without creative work.All technical staff in the art, all should in the protection domain being defined in the patent claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims (1)

1. a Technology for Heating Processing for Cr12MoV steel cylindrical die roll, is characterised by, comprises the following steps that:
(1) first time preheating: preheating temperature 600~650 DEG C, firing rate 60-80 DEG C/h;
(2) second time preheating: preheating temperature 800~850 DEG C, firing rate 15-25 DEG C/h;
(3) Quenching Treatment: heating-up temperature 1090~1100 DEG C, firing rate 20-30 DEG C/h;Hardening heat 180~250 DEG C, time 20-30min, adopt salt made from earth containing a comparatively high percentage of sodium chloride cooling;
(4) first tempering: temperature 470~520 DEG C, are incubated 2h, then are cooled to-70~-80 DEG C, are incubated 1.5-3h cold treatment;
(5) second tempering: temperature 470~520 DEG C, are incubated 2-3h.
CN201410744846.6A 2014-12-09 2014-12-09 Heat treatment process for Cr12MoV steel cylindrical die roll Pending CN105734212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410744846.6A CN105734212A (en) 2014-12-09 2014-12-09 Heat treatment process for Cr12MoV steel cylindrical die roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410744846.6A CN105734212A (en) 2014-12-09 2014-12-09 Heat treatment process for Cr12MoV steel cylindrical die roll

Publications (1)

Publication Number Publication Date
CN105734212A true CN105734212A (en) 2016-07-06

Family

ID=56237856

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410744846.6A Pending CN105734212A (en) 2014-12-09 2014-12-09 Heat treatment process for Cr12MoV steel cylindrical die roll

Country Status (1)

Country Link
CN (1) CN105734212A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109385506A (en) * 2018-12-11 2019-02-26 重庆世潮机械有限公司 A kind of cylindrical die roll quenching technical
CN109504839A (en) * 2019-01-08 2019-03-22 苏州腾凯金属材料有限公司 A kind of tempering method for treating of SKD11 cutter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109385506A (en) * 2018-12-11 2019-02-26 重庆世潮机械有限公司 A kind of cylindrical die roll quenching technical
CN109504839A (en) * 2019-01-08 2019-03-22 苏州腾凯金属材料有限公司 A kind of tempering method for treating of SKD11 cutter

Similar Documents

Publication Publication Date Title
CN104440009A (en) Iron sheet cutter manufacturing method
CN103009026A (en) Processing method for rolling scissors with high abrasion resistance and strong shock resistance
CN104032117A (en) Heat treatment method for ultra-high-hardness nonferrous-metal cold roll
CN104033189B (en) A kind of processing technology of turbine blade
CN105734212A (en) Heat treatment process for Cr12MoV steel cylindrical die roll
CN105132637A (en) Two-liquid quenching tempering local strengthening heat treatment technology for oil press 5CrMnMo upper die
CN105714042A (en) Steel casting heat treatment technology
CN103834771A (en) Heat treatment method of wear-resistant cast steel
CN105734247A (en) Vacuum quenching process for thread rolling die
CN105525230A (en) Method for manufacturing cutting tools from high-speed W18Cr4Nb material
CN104191188A (en) Cutting tool manufacturing method capable of conveniently reducing austenite residue
CN103131933A (en) Preparation method of high-speed steel
CN104209720A (en) Manufacturing method of heat-resistant rock drill bit
CN105648177A (en) Tool steel heat treatment process
CN106854738A (en) A kind of easy cutting plastic mold steel and its heat treatment method
CN104128777A (en) Turning tool machining technology capable of reducing heat damage and improving tempering quality
CN105714090A (en) New steel rolling wheel heat treatment technology
CN103725831A (en) Hardening and tempering process of alloy-steel pipe
CN105695701A (en) 40Cr quenching and tempering technology
CN106808166A (en) The manufacture craft of carburizing steel gear
CN104259799A (en) Turning tool processing technology beneficial to production efficiency and product quality
CN109972043A (en) A kind of wear-resistant high speed steel
CN105986091A (en) Heat treatment technology of 9SiCr steel
CN103820623A (en) Heat treatment process of 42CrMoE piston rod
CN104128780A (en) Turning tool machining technology for improving product quality

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160706