CN103029028A - Grinding method of chromium steel ring - Google Patents
Grinding method of chromium steel ring Download PDFInfo
- Publication number
- CN103029028A CN103029028A CN 201210499238 CN201210499238A CN103029028A CN 103029028 A CN103029028 A CN 103029028A CN 201210499238 CN201210499238 CN 201210499238 CN 201210499238 A CN201210499238 A CN 201210499238A CN 103029028 A CN103029028 A CN 103029028A
- Authority
- CN
- China
- Prior art keywords
- grinding
- alumina particle
- grinding agent
- agent
- super
- 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
Links
Abstract
The invention relates to a grinding method of a chromium steel ring, and belongs to the field of grinding agents. The grinding method comprises the following steps of rough grinding, fine grinding and super-fine grinding. In each grinding step of the method, the grinding agents comprise a rough grinding agent, a fine grinding agent and a super-fine grinding agent. The grinding agents are used in each step of the grinding method in a matching way, the grinding efficiency is high, the pollution to ceramic bodies is little, the grinding efficiency is improved, and the grinding time is reduced.
Description
Technical field
The present invention relates to a kind of Ginding process of chromium steel lasso, belong to the grinding agent field.
Background technology
Ball bearing is a kind of of rolling bearing, and the ball ball is contained in the centre of interior steel ring and outer rim, can bear larger load.Wherein, application receives much concern ceramic ball bearing because its unique characteristics reach widely.What at present, application was more is silicon nitride ceramic ball bearing.Its advantage is: limit speed is high, precision stability is good, staring torque is little, high, the dried runnability of ceramic ball bearing rigidity is good, the life-span is long, is very suitable for keeping high accuracy, long time running under high speed, high temperature and burn into radiation condition.In addition, the hardness ratio bearing steel of silicon nitride ceramics is high 1 times, and elastic modelling quantity is high by 1/3 approximately, and under the condition of same load, the strain of silicon nitride ceramics is little, so, use the machine tool chief axis of ceramic ball bearing to have good running accuracy.For running precision and the service life that guarantees ceramic ball bearing, to the Ceramic Balls sphericity require highly, simultaneously owing to itself be high-strength material, it is ground then more difficult.
The lasso of silicon nitride ceramic ball bearing generally adopts the chromium steel material to make, because silicon nitride ceramic ball bearing generally is used under the working environment of High Rotation Speed, simultaneously its running precision is required height, for stable operation, need its inner and outer ring to have lower roughness.
Summary of the invention
The Ginding process that the purpose of this invention is to provide a kind of chromium steel lasso, the method comprise the step of corase grind, correct grinding and super grinding, and each grinding agent that grinds the stage comprises corase grind grinding agent, correct grinding grinding agent and super grinding grinding agent in the method.These grinding agents are used in grinding stages, can reach the grinding efficiency height, ceramic body is polluted lack, and improve the effect of grinding efficiency, minimizing milling time.
A kind of Ginding process of chromium steel lasso comprises the step of corase grind, correct grinding and super grinding,
I. roughly grind: plane, external diameter, endoporus and raceway groove to lasso are roughly ground; In the described corase grind grinding agent, the granularity of alumina particle is 100 ~ 200 μ m, and described alumina particle is spherical, and its sphericity is 0.5 ~ 0.6;
II. finish grind: plane, external diameter, endoporus and raceway groove to lasso finish grind; In the described correct grinding grinding agent, the granularity of alumina particle is 5 ~ 50 μ m, and described alumina particle is spherical, and its sphericity is 0.6 ~ 0.65;
III. super grinding: the raceway groove to lasso carries out super grinding; In the described super grinding grinding agent, the granularity of alumina particle is 0.1 ~ 5 μ m, and described alumina particle is spherical, and its sphericity is 0.65 ~ 0.75.
" sphericity " of the present invention refers to the shape degree similar to spheroid of alumina particle.
The preferred described corase grind grinding agent of the Ginding process of chromium steel lasso of the present invention, correct grinding grinding agent and super grinding grinding agent are 1:1 ~ 1:4 with the mass ratio that grinds matrix.
The preferred described matrix of the Ginding process of chromium steel lasso of the present invention is water or kerosene.
In the preferred described corase grind grinding agent of the Ginding process of chromium steel lasso of the present invention, correct grinding grinding agent and the super grinding grinding agent, alumina particle accounts for 5% ~ 50% of grinding agent quality.
The preferred described corase grind grinding agent of the Ginding process of chromium steel lasso of the present invention, correct grinding grinding agent and super grinding grinding agent by mass percentage, are comprised of following component:
The preferred further preferred described corase grind grinding agent of the Ginding process of chromium steel lasso of the present invention, correct grinding grinding agent and super grinding grinding agent by mass percentage, are comprised of following component:
The preferred described dispersant of the Ginding process of chromium steel lasso of the present invention is at least a in ethylene glycol, polyethylene glycol, polypropylene glycol, the glycerine.
In the preferred described corase grind grinding agent of the Ginding process of chromium steel lasso of the present invention, granularity is that the quality of the alumina particle of 100 ~ 150 μ m accounts for 40% ~ 80% of alumina particle gross mass at least in the alumina particle, more preferably accounts for 60% ~ 80% of alumina particle gross mass.
In the preferred described correct grinding grinding agent of the Ginding process of chromium steel lasso of the present invention, granularity is that the quality of the alumina particle of 10 ~ 20 μ m accounts for 40% ~ 80% of alumina particle gross mass at least in the alumina particle, more preferably accounts for 60% ~ 80% of alumina particle gross mass.
In the preferred described super grinding grinding agent of the Ginding process of chromium steel lasso of the present invention, granularity is that the quality of the alumina particle of 0.5 ~ 2 μ m accounts for 40% ~ 80% of alumina particle gross mass at least in the alumina particle, more preferably accounts for 60% ~ 80% of alumina particle gross mass.
Above-mentioned three kinds of grinding agents are as follows preparation preferably:
A kind of preparation method of grinding agent comprises following processing step:
1. raw material weighing: accurate weighing raw material in proportion, and filter;
2. disperse: be dissolved in dispersant after sodium phosphate trimer, dodecyl sodium sulfate and sodium metasilicate are mixed in proportion;
3. filter: with 2. gained slurries filtration of step, add alumina particle after removing bulky grain;
4. disperse again: with step 3. the gained slurry carry out ultrasonic dispersion.
The invention has the beneficial effects as follows: the invention provides a kind of Ginding process of chromium steel lasso, the method comprises the step of corase grind, correct grinding and super grinding, and each grinding agent that grinds the stage comprises corase grind grinding agent, correct grinding grinding agent and super grinding grinding agent in the method.These grinding agents are used in grinding stages, can reach the grinding efficiency height, ceramic body is polluted lack, and improve the effect of grinding efficiency, minimizing milling time.
The specific embodiment
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
Embodiment 1
A kind of Ginding process of chromium steel lasso comprises the step of corase grind, correct grinding and super grinding,
I. roughly grind: plane, external diameter, endoporus and raceway groove to lasso are roughly ground; In the described corase grind grinding agent, the granularity of alumina particle is 100 ~ 200 μ m, and described alumina particle is spherical, and its sphericity is 0.56, and granularity is that the quality of the alumina particle of 100 ~ 150 μ m accounts for 65% of alumina particle gross mass at least in the alumina particle;
II. finish grind: plane, external diameter, endoporus and raceway groove to lasso finish grind; In the described correct grinding grinding agent, the granularity of alumina particle is 5 ~ 50 μ m, and described alumina particle is spherical, and its sphericity is 0.65, and granularity is that the quality of the alumina particle of 10 ~ 20 μ m accounts for 70% of alumina particle gross mass at least in the alumina particle,
III. super grinding: in the described super grinding grinding agent, the granularity of alumina particle is 0.1 ~ 5 μ m, described alumina particle is spherical, and its sphericity is 0.75, and granularity is that the quality of the alumina particle of 0.5 ~ 2 μ m accounts for 70% of alumina particle gross mass at least in the alumina particle.
Described corase grind grinding agent, correct grinding grinding agent and super grinding grinding agent by mass percentage, are comprised of following component:
Dispersant is polyethylene glycol.Be used for stage by stage polishing silicon nitride ceramic ball bearing lasso after 1:2 mixes in mass ratio with water with three kinds of grinding agents, the roughness of gained lasso is 0.015Ra.
Claims (9)
1. the Ginding process of a chromium steel lasso comprises it is characterized in that the step of corase grind, correct grinding and super grinding:
I. roughly grind: plane, external diameter, endoporus and raceway groove to lasso are roughly ground; In the described corase grind grinding agent, the granularity of alumina particle is 100 ~ 200 μ m, and described alumina particle is spherical, and its sphericity is 0.5 ~ 0.6;
II. finish grind: plane, external diameter, endoporus and raceway groove to lasso finish grind; In the described correct grinding grinding agent, the granularity of alumina particle is 5 ~ 50 μ m, and described alumina particle is spherical, and its sphericity is 0.6 ~ 0.65;
III. super grinding: the raceway groove to lasso carries out super grinding; In the described super grinding grinding agent, the granularity of alumina particle is 0.1 ~ 5 μ m, and described alumina particle is spherical, and its sphericity is 0.65 ~ 0.75.
2. method according to claim 1 is characterized in that: described corase grind grinding agent, correct grinding grinding agent and super grinding grinding agent are 1:1 ~ 1:4 with the mass ratio that grinds matrix.
3. method according to claim 1, it is characterized in that: described matrix is water or kerosene.
4. method according to claim 1 is characterized in that: in described corase grind grinding agent, correct grinding grinding agent and the super grinding grinding agent, alumina particle accounts for 5% ~ 50% of grinding agent quality.
5. method according to claim 4 is characterized in that: described corase grind grinding agent, correct grinding grinding agent and super grinding grinding agent by mass percentage, are comprised of following component:
6. method according to claim 5 is characterized in that: described dispersant is at least a in ethylene glycol, polyethylene glycol, polypropylene glycol, the glycerine.
7. method according to claim 1 is characterized in that: in the described corase grind grinding agent, granularity is that the quality of the alumina particle of 100 ~ 150 μ m accounts for 40% ~ 80% of alumina particle gross mass at least in the alumina particle.
8. method according to claim 1 is characterized in that: in the described correct grinding grinding agent, granularity is that the quality of the alumina particle of 10 ~ 20 μ m accounts for 40% ~ 80% of alumina particle gross mass at least in the alumina particle.
9. method according to claim 1 is characterized in that: in the described super grinding grinding agent, granularity is that the quality of the alumina particle of 0.5 ~ 2 μ m accounts for 40% ~ 80% of alumina particle gross mass at least in the alumina particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210499238 CN103029028A (en) | 2012-11-28 | 2012-11-28 | Grinding method of chromium steel ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210499238 CN103029028A (en) | 2012-11-28 | 2012-11-28 | Grinding method of chromium steel ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103029028A true CN103029028A (en) | 2013-04-10 |
Family
ID=48016695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210499238 Pending CN103029028A (en) | 2012-11-28 | 2012-11-28 | Grinding method of chromium steel ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103029028A (en) |
-
2012
- 2012-11-28 CN CN 201210499238 patent/CN103029028A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103009233A (en) | Production process of ceramic ball bearing ring | |
| CN103056767B (en) | Method for grinding silicon nitride ceramic balls | |
| CN103045165B (en) | Ceramic grinding agent | |
| CN103849353A (en) | Preparation method of ceramic grinding agent | |
| CN106349948B (en) | A kind of preparation method of nanometer burnishing liquid | |
| CN103009231A (en) | Production process of silicon nitride ceramic ball bearing ring | |
| CN103045164B (en) | Bearing ring grinding agent | |
| CN102653078A (en) | Resin sand wheel containing sulfuric acid slag for milling steel rail | |
| CN102814751A (en) | Ceramic cubic boron nitride (CBN) grinding wheel doped with poly vinyl chloride (PVC) resin powder | |
| CN102825558B (en) | A kind of ceramic metal diamond grinding wheel being mixed with comminuted steel shot | |
| CN103009230B (en) | Method for grinding bearing ring | |
| CN103011833A (en) | Production process of silicon nitride ceramic ball bearing rolling element | |
| CN103851083A (en) | Production technology of silicon nitride ceramic ball bearing | |
| CN104087246A (en) | Ceramic abrasive | |
| CN102814753B (en) | Iron-powder doped ceramic diamond grinding wheel | |
| CN102152193B (en) | Method for grinding superhard mini-hemispheric coupling parts | |
| CN103013445A (en) | Silicon nitride ceramic grinding kit | |
| CN103849354A (en) | Preparation method of grinding agent for chrome steel | |
| CN103029028A (en) | Grinding method of chromium steel ring | |
| CN103045166A (en) | Bearing ring grinding kit | |
| CN106634833B (en) | A kind of stainless steel mirror board lapping liquid and preparation method thereof | |
| CN103282159A (en) | Inorganic medium for barrel polishing | |
| CN103013446A (en) | Chrome steel grinding kit | |
| CN105798766A (en) | Grinding process of precision mute bearing steel ball | |
| CN102240946A (en) | Ball grinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130410 |