CN111735680A - Novel method for evaluating wear resistance of automobile universal joint ball cage - Google Patents
Novel method for evaluating wear resistance of automobile universal joint ball cage Download PDFInfo
- Publication number
- CN111735680A CN111735680A CN202010797451.8A CN202010797451A CN111735680A CN 111735680 A CN111735680 A CN 111735680A CN 202010797451 A CN202010797451 A CN 202010797451A CN 111735680 A CN111735680 A CN 111735680A
- Authority
- CN
- China
- Prior art keywords
- ball cage
- ball
- quenching
- collecting
- universal joint
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/32—Polishing; Etching
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
Abstract
The invention provides a novel method for evaluating the wear resistance of an automobile universal joint ball cage, which comprises the following steps: the method comprises the following steps: quenching the ball cage after production, and collecting the ball cage after quenching; step two: cutting and picking up the collected ball cages, and collecting the cut and picked ball cages; step three: sequentially grinding, polishing and etching the collected ball cage, and collecting the finished ball cage; step four: placing the collected ball cage under a metallographic microscope to observe the structure degree of the banded shape; step five: if no obvious strip shape exists, the produced ball cage is qualified; if the strip shape is obvious, the produced ball cage is unqualified; the ball cage is subjected to quenching at 850-900 ℃, then grinding, polishing and etching, and finally a 50X low-power metallographic microscope is adopted to detect the ball cage; thereby achieving the purposes of short detection period, low cost and rapid reaction of the product.
Description
Technical Field
The invention relates to the technical field of ball cages, in particular to a novel method for evaluating the wear resistance of an automobile universal joint ball cage.
Background
The ball cage is an important part of the constant velocity universal joint of the automobile. The ball cage needs to detect the wearability in process of production, and the bench experiment is all adopted mostly in the main detection of general wearability, but bench experiment cycle length, with high costs, reaction are slow, are unfavorable for technology adjustment and verification. Therefore, a new method for evaluating the wear resistance of the automobile universal joint ball cage is needed to solve the defects of the prior art.
Disclosure of Invention
Aiming at the problems, the invention provides a novel method for evaluating the wear resistance of the automobile universal joint ball cage, the ball cage is subjected to grinding, polishing and etching after being quenched at 850-; thereby achieving the purposes of short detection period, low cost and rapid reaction of the product.
In order to solve the problems, the invention provides a novel method for evaluating the wear resistance of an automobile universal joint ball cage, which comprises the following steps:
the method comprises the following steps: quenching the ball cage after production, and collecting the ball cage after quenching;
step two: cutting and picking up the collected ball cages, and collecting the cut and picked ball cages;
step three: sequentially grinding, polishing and etching the collected ball cage, and collecting the finished ball cage;
step four: placing the collected ball cage under a metallographic microscope to observe the structure degree of the banded shape;
step five: if no obvious strip shape exists, the produced ball cage is qualified; if the stripe shape is obvious, the produced ball cage is unqualified.
The further improvement lies in that: the quenching temperature in the first step is 850-900 ℃.
The further improvement lies in that: and the multiple of the metallographic microscope in the fourth step is 50X.
The invention has the beneficial effects that: the ball cage is subjected to quenching at 850-900 ℃, then grinding, polishing and etching, and finally a 50X low-power metallographic microscope is adopted to detect the ball cage; thereby achieving the purposes of short detection period, low cost and rapid reaction of the product.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
The embodiment provides a new method for evaluating the wear resistance of an automobile universal joint ball cage, which comprises the following steps:
the method comprises the following steps: quenching the ball cage after production, and collecting the ball cage after quenching;
step two: cutting and picking up the collected ball cages, and collecting the cut and picked ball cages;
step three: sequentially grinding, polishing and etching the collected ball cage, and collecting the finished ball cage;
step four: placing the collected ball cage under a metallographic microscope to observe the structure degree of the banded shape;
step five: if no obvious strip shape exists, the produced ball cage is qualified; if the stripe shape is obvious, the produced ball cage is unqualified.
The quenching temperature in the first step is 850-900 ℃. And the multiple of the metallographic microscope in the fourth step is 50X.
The ball cage is subjected to quenching at 850-900 ℃, then grinding, polishing and etching, and finally a 50X low-power metallographic microscope is adopted to detect the ball cage; thereby achieving the purposes of short detection period, low cost and rapid reaction of the product.
Claims (3)
1. A novel method for evaluating the wear resistance of an automobile universal joint ball cage is characterized by comprising the following steps:
the method comprises the following steps: quenching the ball cage after production, and collecting the ball cage after quenching;
step two: cutting and picking up the collected ball cages, and collecting the cut and picked ball cages;
step three: sequentially grinding, polishing and etching the collected ball cage, and collecting the finished ball cage;
step four: placing the collected ball cage under a metallographic microscope to observe the structure degree of the banded shape;
step five: if no obvious strip shape exists, the produced ball cage is qualified; if the stripe shape is obvious, the produced ball cage is unqualified.
2. The novel method for evaluating the wear resistance of the universal joint ball cage of the automobile as claimed in claim 1, wherein the quenching temperature in the first step is 850 ℃ and 900 ℃.
3. The novel method for evaluating the wear resistance of the automobile universal joint ball cage according to claim 1, wherein the metallographic microscope in the fourth step is used by a factor of 50X.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010797451.8A CN111735680A (en) | 2020-08-10 | 2020-08-10 | Novel method for evaluating wear resistance of automobile universal joint ball cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010797451.8A CN111735680A (en) | 2020-08-10 | 2020-08-10 | Novel method for evaluating wear resistance of automobile universal joint ball cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111735680A true CN111735680A (en) | 2020-10-02 |
Family
ID=72658347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010797451.8A Pending CN111735680A (en) | 2020-08-10 | 2020-08-10 | Novel method for evaluating wear resistance of automobile universal joint ball cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111735680A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308514A (en) * | 2013-05-09 | 2013-09-18 | 中原特钢股份有限公司 | Method for detecting carbide nonuniformity of tool steel by annealed room-temperature etching method |
| CN103424300A (en) * | 2013-08-19 | 2013-12-04 | 南京钢铁股份有限公司 | Quick etching method applicable to detecting grain sizes of bearing steel structures and austenite |
| CN103454188A (en) * | 2013-09-06 | 2013-12-18 | 鞍钢股份有限公司 | Quenching test method of austenite grain size of high-strength ship plate steel |
| CN104236993A (en) * | 2014-09-19 | 2014-12-24 | 北京科技大学 | Method for simultaneously displaying bearing steel austenite grain boundary and transgranular martensite |
| CN105021534A (en) * | 2015-07-21 | 2015-11-04 | 河北钢铁股份有限公司邯郸分公司 | Method for detecting 20CrMnTi steel microstructure composition and content |
| CN105865881A (en) * | 2016-03-26 | 2016-08-17 | 上海大学 | Method for displaying original austenite grain boundary of 85Cr2MnMo liner steel |
| CN109507188A (en) * | 2018-12-26 | 2019-03-22 | 艾普零件制造（苏州）股份有限公司 | A kind of qualitative identification method of austempering ductile iron metallographic structure |
| CN110184533A (en) * | 2018-07-27 | 2019-08-30 | 江阴兴澄特种钢铁有限公司 | A kind of low silicon universal-joint Rzeppa steel and manufacturing method |
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2020
- 2020-08-10 CN CN202010797451.8A patent/CN111735680A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308514A (en) * | 2013-05-09 | 2013-09-18 | 中原特钢股份有限公司 | Method for detecting carbide nonuniformity of tool steel by annealed room-temperature etching method |
| CN103424300A (en) * | 2013-08-19 | 2013-12-04 | 南京钢铁股份有限公司 | Quick etching method applicable to detecting grain sizes of bearing steel structures and austenite |
| CN103454188A (en) * | 2013-09-06 | 2013-12-18 | 鞍钢股份有限公司 | Quenching test method of austenite grain size of high-strength ship plate steel |
| CN104236993A (en) * | 2014-09-19 | 2014-12-24 | 北京科技大学 | Method for simultaneously displaying bearing steel austenite grain boundary and transgranular martensite |
| CN105021534A (en) * | 2015-07-21 | 2015-11-04 | 河北钢铁股份有限公司邯郸分公司 | Method for detecting 20CrMnTi steel microstructure composition and content |
| CN105865881A (en) * | 2016-03-26 | 2016-08-17 | 上海大学 | Method for displaying original austenite grain boundary of 85Cr2MnMo liner steel |
| CN110184533A (en) * | 2018-07-27 | 2019-08-30 | 江阴兴澄特种钢铁有限公司 | A kind of low silicon universal-joint Rzeppa steel and manufacturing method |
| CN109507188A (en) * | 2018-12-26 | 2019-03-22 | 艾普零件制造（苏州）股份有限公司 | A kind of qualitative identification method of austempering ductile iron metallographic structure |
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| 徐伍平等: "球笼式保持架渗碳淬火的热处理工艺", 《机械工程师》 * |
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Application publication date: 20201002 |
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