CN109338047A - One rail traffic high-precision bearing roller heat treatment process - Google Patents
One rail traffic high-precision bearing roller heat treatment process Download PDFInfo
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- CN109338047A CN109338047A CN201811369990.0A CN201811369990A CN109338047A CN 109338047 A CN109338047 A CN 109338047A CN 201811369990 A CN201811369990 A CN 201811369990A CN 109338047 A CN109338047 A CN 109338047A
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- Prior art keywords
- roller
- cleaning
- precision bearing
- heat treatment
- treatment process
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses rail traffic high-precision bearing roller heat treatment process, comprising the following steps: the roller that machining is completed is put into cleaning drying machine by S1, carries out cleaning, drying；The roller that cleaning is completed uniformly is dissipated in charging basket one layer and is put into roller-bottom type glowing furnace by S2；S3 takes out charging basket, and roller is imported in blender, water is added, and stirs；Roller is put into cleaning drying machine by S4 after cooling, carries out cleaning, drying；Roller is put into roller-bottom type bilayer tempering furnace and is tempered by S5；S6, takes out roller, and natural cooling obtains high-precision bearing roller.Present invention process process is simple, is easy affected, can promote, can be mass-produced on a large scale.
Description
Technical field
The present invention relates to high-precision bearing roller fields more particularly to rail traffic high-precision bearing roller to be heat-treated
Technique.
Background technique
Precision bearing is divided into according to the grade scale of ISO: P0, P6, P5, P4, P2. grade successively increase, and wherein P0 is general
Logical precision, other grades are all accurate ranks.Certainly, different grade scales, different types of bearing, their stage division have
It is different, but meaning is consistent.Required in precision bearing service performance rotary body have high bounce precision, high speed rotation and
It is required that friction and friction variation are small.
In the prior art, bearing roller heat treatment process is complicated, and processing quality is not high, it is difficult to control, bring to enterprise
Very big cost.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the rail traffic high-precision proposed
Bearing roller heat treatment process.
To achieve the goals above, present invention employs following technical solutions:
One rail traffic high-precision bearing roller heat treatment process, comprising the following steps:
The roller that machining is completed is put into cleaning drying machine by S1, carries out cleaning, drying；
The roller that cleaning is completed uniformly is dissipated in charging basket one layer and is put into roller-bottom type glowing furnace by S2；
S3 takes out charging basket, and roller is imported in blender, water is added, and stirs；
Roller is put into cleaning drying machine by S4 after cooling, carries out cleaning, drying；
Roller is put into roller-bottom type bilayer tempering furnace and is tempered by S5；
S6, takes out roller, and natural cooling obtains high-precision bearing roller.
Preferably, in the S1, cleaning drying machine is model EDRE2t-90/15 roller bar type cleaning drying machine, and temperature is
Oil-removing area temperature: 50 DEG C -90 DEG C, rinsing area temperature: 40 DEG C -90 DEG C, baking zone temperature: 80 DEG C -100 DEG C, time 15-30min,
Cleaning solution is " 32-1 " low foam metal remover or other similar metal cleaners, and concentration in water is 3%-
5%。
Preferably, in the S2, protected using nitrogen-based atmosphere, ingredient is that nitrogen adds a small amount of propane flammable gas, nitrogen it is pure
80-100% is spent, oxygen content is not more than 0.2-0.9%, and the intake of nitrogen is 40m3/h-85m3/h, and propane intake is 0.08
M3/h-0.6m3/h, oxygen gesture should be controlled in 980mv-1400mv in furnace.
Preferably, in the S3, blender select 1 grade or 4 grades, cooling time 6min-8min.
Preferably, in the S3, hardening media is fast quenching oil.
Preferably, in the S5, roller-bottom type bilayer tempering furnace model: DRHLE2-90/1300.
Preferably, in the S4, cleaning drying machine is model EDRE2t-90/15 roller bar type cleaning drying machine, and temperature is
Oil-removing area temperature: 50 DEG C -90 DEG C, rinsing area temperature: 40 DEG C -90 DEG C, baking zone temperature: 80 DEG C -100 DEG C, time 15-30min,
Cleaning solution is " 32-1 " low foam metal remover or other similar metal cleaners, and concentration in water is 3%-
5%。
Compared with prior art, the beneficial effects of the present invention are:
1, of the invention, technical process is simple, is easy affected, can promote, can be mass-produced on a large scale.
2, of the invention, quenching and tempering temperature are easy to control, and ensure that the quality of bearing roller significantly.
3, of the invention, cleaning, drying is thorough, avoids quenching and has impurity when being tempered, and influences quality.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.
1: one rail traffic of embodiment high-precision bearing roller heat treatment process, comprising the following steps:
The roller that machining is completed is put into cleaning drying machine by S1, carries out cleaning, drying；
The roller that cleaning is completed uniformly is dissipated in charging basket one layer and is put into roller-bottom type glowing furnace by S2；
S3 takes out charging basket, and roller is imported in blender, water is added, and stirs；
Roller is put into cleaning drying machine by S4 after cooling, carries out cleaning, drying；
Roller is put into roller-bottom type bilayer tempering furnace and is tempered by S5；
S6, takes out roller, and natural cooling obtains high-precision bearing roller.
In the S1, cleaning drying machine is model EDRE2t-90/15 roller bar type cleaning drying machine, and temperature is oil-removing area temperature
Degree: 60 DEG C, rinsing area temperature: 50 DEG C, baking zone temperature: 82 DEG C, time 20min, cleaning solution is that " 32-1 " low foam metal is washed
Net agent or other similar metal cleaners, concentration in water are 3.5%；It is anti-using nitrogen-based atmosphere in the S2
Shield, ingredient are that nitrogen adds a small amount of propane flammable gas, the purity 80% of nitrogen, and oxygen content is not more than 0.5%, and the intake of nitrogen is
50m3/h, propane intake are 0.1m3/h, and oxygen gesture should be controlled in 1000mv in furnace；In the S3, blender selects 1 grade, cooling
Time is 6.5min；In the S3, hardening media is fast quenching oil；In the S5, roller-bottom type bilayer tempering furnace model:
DRHLE2-90/1300；In the S4, cleaning drying machine is model EDRE2t-90/15 roller bar type cleaning drying machine, and temperature is
Oil-removing area temperature: 60 DEG C, rinsing area temperature: 70 DEG C, baking zone temperature: 90 DEG C, time 25min, cleaning solution is " 32-1 " low bubble
Foam metal cleaner or other similar metal cleaners, concentration in water are 4%.
2 bearing roller parameters of quenching of table
Bearing roller tempering parameter
The present embodiment, quenching and tempering temperature are easy to control, and ensure that the quality of bearing roller significantly.
2: one rail traffic of embodiment high-precision bearing roller heat treatment process, comprising the following steps:
The roller that machining is completed is put into cleaning drying machine by S1, carries out cleaning, drying；
The roller that cleaning is completed uniformly is dissipated in charging basket one layer and is put into roller-bottom type glowing furnace by S2；
S3 takes out charging basket, and roller is imported in blender, water is added, and stirs；
Roller is put into cleaning drying machine by S4 after cooling, carries out cleaning, drying；
Roller is put into roller-bottom type bilayer tempering furnace and is tempered by S5；
S6, takes out roller, and natural cooling obtains high-precision bearing roller.
In the S1, cleaning drying machine is model EDRE2t-90/15 roller bar type cleaning drying machine, and temperature is oil-removing area temperature
Degree: 50 DEG C -90 DEG C, rinsing area temperature: 40 DEG C -90 DEG C, baking zone temperature: 80 DEG C -100 DEG C, time 15-30min, cleaning solution is
" 32-1 " low foam metal remover or other similar metal cleaners, concentration in water are 3%-5%；It is described
It in S2, is protected using nitrogen-based atmosphere, ingredient is that nitrogen adds a small amount of propane flammable gas, the purity 80-100% of nitrogen, and oxygen content is little
In 0.2-0.9%, the intake of nitrogen is 40m3/h-85m3/h, and propane intake is 0.08 m3/h-0.6m3/h, oxygen gesture in furnace
It should control in 980mv-1400mv；In the S3, blender select 1 grade or 4 grades, cooling time 6min-8min；The S3
In, hardening media is fast quenching oil；In the S5, roller-bottom type bilayer tempering furnace model: DRHLE2-90/1300；The S4
In, cleaning drying machine is model EDRE2t-90/15 roller bar type cleaning drying machine, and temperature is oil-removing area temperature: 50 DEG C -90 DEG C,
Rinsing area temperature: 40 DEG C -90 DEG C, baking zone temperature: 80 DEG C -100 DEG C, time 15-30min, cleaning solution is " 32-1 " low foam
Metal cleaner or other similar metal cleaners, concentration in water are 3%-5%.
The bearing roller production quota and allowance
The present embodiment, technical process is simple, is easy affected, can promote, can be mass-produced on a large scale.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. rail traffic high-precision bearing roller heat treatment process, which comprises the following steps:
The roller that machining is completed is put into cleaning drying machine by S1, carries out cleaning, drying；
The roller that cleaning is completed uniformly is dissipated in charging basket one layer and is put into roller-bottom type glowing furnace by S2；
S3 takes out charging basket, and roller is imported in blender, water is added, and stirs；
Roller is put into cleaning drying machine by S4 after cooling, carries out cleaning, drying；
Roller is put into roller-bottom type bilayer tempering furnace and is tempered by S5；
S6, takes out roller, and natural cooling obtains high-precision bearing roller.
2. a rail traffic according to claim 1 high-precision bearing roller heat treatment process, which is characterized in that described
In S1, cleaning drying machine is model EDRE2t-90/15 roller bar type cleaning drying machine, and temperature is oil-removing area temperature: 50 DEG C -90
DEG C, rinsing area temperature: 40 DEG C -90 DEG C, baking zone temperature: 80 DEG C -100 DEG C, time 15-30min, cleaning solution be " 32-1 " low bubble
Foam metal cleaner or other similar metal cleaners, concentration in water are 3%-5%.
3. a rail traffic according to claim 1 high-precision bearing roller heat treatment process, which is characterized in that described
It in S2, is protected using nitrogen-based atmosphere, ingredient is that nitrogen adds a small amount of propane flammable gas, the purity 80-100% of nitrogen, and oxygen content is little
In 0.2-0.9%, the intake of nitrogen is 40m3/h-85m3/h, and propane intake is 0.08 m3/h-0.6m3/h, oxygen gesture in furnace
It should control in 980mv-1400mv.
4. a rail traffic according to claim 1 high-precision bearing roller heat treatment process, which is characterized in that described
In S3, blender select 1 grade or 4 grades, cooling time 6min-8min.
5. a rail traffic according to claim 1 high-precision bearing roller heat treatment process, which is characterized in that described
In S3, hardening media is fast quenching oil.
6. a rail traffic according to claim 1 high-precision bearing roller heat treatment process, which is characterized in that described
In S5, roller-bottom type bilayer tempering furnace model: DRHLE2-90/1300.
7. a rail traffic according to claim 1 high-precision bearing roller heat treatment process, which is characterized in that described
In S4, cleaning drying machine is model EDRE2t-90/15 roller bar type cleaning drying machine, and temperature is oil-removing area temperature: 50 DEG C -90
DEG C, rinsing area temperature: 40 DEG C -90 DEG C, baking zone temperature: 80 DEG C -100 DEG C, time 15-30min, cleaning solution be " 32-1 " low bubble
Foam metal cleaner or other similar metal cleaners, concentration in water are 3%-5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369990.0A CN109338047A (en) | 2018-11-18 | 2018-11-18 | One rail traffic high-precision bearing roller heat treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369990.0A CN109338047A (en) | 2018-11-18 | 2018-11-18 | One rail traffic high-precision bearing roller heat treatment process |
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| Publication Number | Publication Date |
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| CN109338047A true CN109338047A (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811369990.0A Pending CN109338047A (en) | 2018-11-18 | 2018-11-18 | One rail traffic high-precision bearing roller heat treatment process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112318074A (en) * | 2020-11-02 | 2021-02-05 | 河南中泰轴承有限公司 | Precise bearing tapered roller manufacturing process |
| CN117070735A (en) * | 2023-10-13 | 2023-11-17 | 江苏力星通用钢球股份有限公司 | Large roller heat treatment process for offshore wind power generation and engineering machinery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858668Y (en) * | 2005-11-23 | 2007-01-17 | 江苏省滚动体工程技术研究中心 | Bearing steel ball atmosphere-controlled heat treatment production line |
| CN104404227A (en) * | 2014-12-01 | 2015-03-11 | 湖北钱潮精密件有限公司 | Heat treatment technology of GCr15 bearing steel rolling body |
| CN106065429A (en) * | 2016-07-21 | 2016-11-02 | 洛阳Lyc轴承有限公司 | A kind of method ensureing that bearing parts hot consequent surface color is consistent |
-
2018
- 2018-11-18 CN CN201811369990.0A patent/CN109338047A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2858668Y (en) * | 2005-11-23 | 2007-01-17 | 江苏省滚动体工程技术研究中心 | Bearing steel ball atmosphere-controlled heat treatment production line |
| CN104404227A (en) * | 2014-12-01 | 2015-03-11 | 湖北钱潮精密件有限公司 | Heat treatment technology of GCr15 bearing steel rolling body |
| CN106065429A (en) * | 2016-07-21 | 2016-11-02 | 洛阳Lyc轴承有限公司 | A kind of method ensureing that bearing parts hot consequent surface color is consistent |
Non-Patent Citations (3)
| Title |
|---|
| 刘庆霂等: "轴承热处理电炉技术考察报告", 《电炉》 * |
| 杜素梅等: "氮基保护气氛辊底式热处理生产线", 《轴承》 * |
| 王珂: "大型圆锥轴承滚子的热处理工艺", 《轴承》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112318074A (en) * | 2020-11-02 | 2021-02-05 | 河南中泰轴承有限公司 | Precise bearing tapered roller manufacturing process |
| CN117070735A (en) * | 2023-10-13 | 2023-11-17 | 江苏力星通用钢球股份有限公司 | Large roller heat treatment process for offshore wind power generation and engineering machinery |
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Application publication date: 20190215 |
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