CN107160286A - The polishing processing method of 40CrNiMoA steel retainers - Google Patents
The polishing processing method of 40CrNiMoA steel retainers Download PDFInfo
- Publication number
- CN107160286A CN107160286A CN201710558879.5A CN201710558879A CN107160286A CN 107160286 A CN107160286 A CN 107160286A CN 201710558879 A CN201710558879 A CN 201710558879A CN 107160286 A CN107160286 A CN 107160286A
- Authority
- CN
- China
- Prior art keywords
- abrasive material
- polishing
- brown alundum
- workpiece
- total amount
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention belongs to retainer processing technique field, a kind of polishing processing method of 40CrNiMoA steels retainer is proposed.A kind of polishing processing method polishing processing method of the 40CrNiMoA steels retainer proposed includes polishing and light；Brown Alundum is chosen as abrasive material, Brown Alundum includes Brown Alundum oblique circular cylinder, the oblique triangle of Brown Alundum and Brown Alundum ball；Abrasive material and workpiece are added into polishing machine in the lump；Polishing time is 4 ~ 5 hours, needs to shut down after often polishing 1.5 ~ 2 hours, the hot water in container is emptied, inject cold water, after abrasive material in casing and workpiece are cooled down, then is polished；2.5-φ of φ 3.5mm zirconium aluminium composite balls are chosen as bright abrasive material, abrasive material and workpiece are added into polishing machine in the lump and carry out light, the time is 30 ~ 40 minutes.Present invention reduces retainer surfaces externally and internally, end face, the product quality of retainer is improved.
Description
Technical field
The invention belongs to retainer processing technique field, and in particular to a kind of light of 40CrNiMoA steels retainer
Finishing processing method.
Background technology
Existing retainer is the materials such as brass, duralumin, mild steel and phenolic aldehyde lamination stringing mostly, and this kind of material hardness is low；Current light
Decorations method has two kinds：
1st, decorated processing, abrasive material are carried out using planet centrifugal polishing machine XBP160B：Zirconium oxide, light decorations time：30~40 points
Clock.
2nd, spiral vibration polishing machine LMP600-ZD carries out decorated processing, abrasive material：White fused alumina grinding stone and resin ground stone,
Light adorns the time：5~8 hours.
The equipment decorated processing principle of the above two and method：
Spiral vibration polishing machine：When vibrating motor rotates at a high speed, exciting force produced by two eccentric blocks edge in the horizontal plane
Circumferencial direction changes, and body is produced the circular motion in horizontal plane, simultaneously because exciting force does not pass through the barycenter of body；Therefore
Inclined driving torque is generated, makes shaping abrading block and workpiece both vertical central axis revolution, and around circle ring center in cylinder
Rolling, its resultant motion is moved for toroidal helical, realizes that abrasive material is moved with friction of workpiece.
Planet centrifugal polishing machine：Using Gear Planet Transmission mode, using the principle of centrifugal motion, promote workpiece in polishing process
Make forced flow during revolution and rotation with abrasive material, so as to implement micro-cutting processing in surface to workpiece；Its feature is
The friction dynamics of workpiece and abrasive material are larger, and grinding force is stronger, are applicable harder metal surface polishing；It is high in machining efficiency, than vibration light
Adorn equipment and improve work efficiency several times；Another big feature for centrifuging polisher lapper is many barrels an of machine, and centrifugation polisher lapper is generally
One four, machine grinds storing drum, that is, four abrasive rollers are one group；Centrifuge four hexagon storings of polisher lapper
Grind drum to be arranged on the traffic cycle of machine, storing abrasive roller, four storing grinding rollings are driven by planet synchronous pulley group
Cylinder makees spinning motion with traffic cycle formation opposite direction, makes grinding and polishing abrasive material and workpiece in roller in the work of dual centrifugal force
Moved with lower generation power friction, allow grinding and polishing abrasive material, grinding brightener etc. to play preferably effect；Centrifuge polisher lapper
Mechanical structure be ground to core to centrifuge, make grinding polishing effect reach it is optimal for the purpose of.
Polisher lapper is centrifuged while the grinding and polishing precision and grinding and polishing quality of workpiece is ensured, is also significantly reduced
To the polishing cost of workpiece surface, polishing efficiency is greatly enhanced, makes grinding and polishing technology further practical.
The 40CrNiMoA retainers processed at present, after machining without corresponding polishing and bright process, if
The surface roughness of product does not reach the requirement of process stipulation, can only scrap processing.
If planet centrifugal polishing machine and spiral vibration polishing machine is respectively adopted carries out retainer to 40CrNiMoA retainers
Light is adornd, and according to conventional processing method, corrosion, oxide skin and the burr on retainer surface can be removed to a certain extent, but
It is retainer surface roughness to be improved without any effect, it is rear to carry out the increase light decorations time again, do not play any effect yet.
Analyze reason：40CrNiMoA materials possess excellent comprehensive mechanical performance, and material hardness is HB276-323, hardness
It is higher；The low copper of selection light decorations hardness, aluminium alloy or abrasive material used in phenolic aldehyde laminated cloth tube material, which carry out light decorations 40CrNiMoA materials, to be protected
Frame surface is held, not good effect is also normal.
The content of the invention
The purpose of the present invention is to propose to a kind of polishing processing method of 40CrNiMoA steels retainer, guarantor can be reduced
Frame surfaces externally and internally, end face are held, the surface roughness value in the retainer pocket hole particularly coordinated with rolling element.
The present invention adopts the following technical scheme that to complete above-mentioned purpose：
A kind of polishing processing method of 40CrNiMoA steels retainer, described polishing processing method includes polishing and bright work
Sequence；It is comprised the following steps that：
1）The selection of polish abrasive：Brown Alundum is chosen as abrasive material, Brown Alundum include Brown Alundum oblique circular cylinder, the oblique triangle of Brown Alundum with
And Brown Alundum ball；
a）The selection of abrasive material when 40CrNiMoA steel retainer pockets hole is square：Brown Alundum oblique circular cylinder account for the total amount 1/6 of abrasive material ~
1/3, the oblique triangle of Brown Alundum accounts for the total amount 1/6 ~ 1/3 of abrasive material, and Brown Alundum ball accounts for the total amount 1/6 ~ 1/3 of abrasive material；
b）The selection of polish abrasive when 40CrNiMoA steel retainer pockets hole is circular port：Brown Alundum ball accounts for the total amount of abrasive material
1/2~2/3；Brown Alundum oblique circular cylinder accounts for the total amount 1/6 ~ 1/3 of abrasive material；The oblique triangle of Brown Alundum accounts for the total amount 1/6 ~ 1/3 of abrasive material；
2）Polishing：Abrasive material and workpiece are added into polishing machine in the lump, to ensure that abrasive material and workpiece have enough spaces, abrasive material with
Workpiece filling total amount accounts for the 60% ~ 70% of polishing machine volume, and adds water；The addition of water is advisable with flooding abrasive material and workpiece；Throw
It is 4 ~ 5 hours between light time, needs to shut down after often polishing 1.5 ~ 2 hours, the hot water in container is emptied, inject cold water, treat casing
After interior abrasive material and workpiece cooling, then it is polished；
3）Light；2.5-φ of φ 3.5mm zirconium aluminium composite balls are chosen as bright abrasive material, abrasive material is added in the lump with workpiece
Polishing machine carries out light, and the time is 30 ~ 40 minutes.
The polishing processing method of a kind of 40CrNiMoA steels retainer proposed by the present invention, using above-mentioned technical proposal：Tool
Have the advantages that：
1st, polishing process is used as abrasive material using Brown Alundum：Grinding and polishing abrasive material is ground for polishing, polishing the main of workpiece surface
Grinding media, the main chemical of brown corundum abrasive is AL2O3, and its content is in 95.00%-97.00%, separately containing a small amount of Fe,
Si, Ti etc.；Brown Alundum material is suitable to grinding metal, such as various general steel, malleable cast iron, hard bronze；Brown Alundum grinding is thrown
Being made for tarry matter material is formed by the pyrolytic semlting of professional stove, high with purity, and advantages of good crystallization, mobility is strong, line expansion system
Number is low, Brown Alundum when surface grinding is polished, with not detonating, not efflorescence, indehiscent feature, this particle is sharp, is difficult
Peel off, have stronger resistant to breakage and rub resistance ability, grinding effect is good；Stronger anti-oxidant, anti-of Brown Alundum grinding and polishing abrasive material
Corrosive power, is tested through chemical substance, there is good chemical stability；The hardness of Brown Alundum grinding and polishing abrasive material is high, toughness is big,
Sharp, stronger for the deburring grinding force of workpiece surface, the fault that can comparatively fast will be left in workpiece surface is removed, with polishing speed
The characteristics of spending fast；Brown Alundum grinding and polishing abrasive material is selected, not only and burr, overlap, corner angle and oxide skin etc., moreover it is possible to reach removal
The out-of-flatness of workpiece surface, acts on Local Convex, recessed position, improves workpiece surface precision, realizes the purpose of reduction roughness；
The side effects such as any corrosion are not produced to the polished surface of workpiece；Polishing efficiency is artificial tens times soon.
The selection explanation of polishing process brown corundum abrasive shape；During grinding and polishing, many specifications of grinding-material selection,
Multiple Shape, with the Relative friction of workpiece, motion and micro mechanics effect, realizes and comprehensive polishing is carried out to workpiece；
The selection oblique triangle of Brown Alundum has the presence compared with multiple point, and there is this particle enough intensity to be cut with good, lasting
Cut performance；Brown Alundum oblique circular cylinder shape, the step complicated to workpiece shapes, 90 ° of angles, narrow slits etc. have preferable embeddability；It is brown firm
Beautiful tiltedly ball is stronger to workpiece inner and outer surfaces and end face, the polishing action of particularly circular pocket hole surface, reaches good amendment
Effect.
It is the full grains of above-mentioned three kinds of shape abrasive materials, solid, it is to avoid and eliminate other shapes such as sheet type or sword shape type
Particle, easily produce and crush and all multipair unfavorable phenomenons of grinding such as fracture.
Bright process is using zirconium aluminium composite balls as abrasive material, and zirconium aluminium composite balls are main using AI2O3 and ZrO2 as raw material, use
Super fine, addition nano material, nodulizer shaping, and formed through high-temperature roasting；At normal temperatures have high density, high intensity and
High tenacity, wearability is good, and corrosion-resistant, impact resistance, thermal coefficient of expansion is small, and big density improves grinding efficiency, noise is low, made
With long lifespan, not pollutant material, run at high speed during light do not ftracture, stripping is from minimum coefficient of friction makes pearl pair
The abrasion of equipment is very low；Product roundness is good, and surface is smooth, and use cost is low, be to a certain extent abrasion, power consumption, it is artificial,
The reduction of the integrated costs such as equipment, product quality is significantly improved.
In summary, present invention reduces retainer surfaces externally and internally, end face, the retainer pocket particularly coordinated with rolling element
The surface roughness value in hole, improves the product quality of retainer.
Embodiment
The present invention is described in detail in conjunction with specific embodiments：
A kind of polishing processing method of 40CrNiMoA steels retainer, described polishing processing method includes polishing and bright work
Sequence；It is comprised the following steps that：
1）The selection of polish abrasive：Brown Alundum is chosen as abrasive material, Brown Alundum include Brown Alundum oblique circular cylinder, the oblique triangle of Brown Alundum with
And Brown Alundum ball；
a）The selection of abrasive material when 40CrNiMoA steel retainer pockets hole is square：Brown Alundum oblique circular cylinder account for the total amount 1/6 of abrasive material ~
1/3, the oblique triangle of Brown Alundum accounts for the total amount 1/6 ~ 1/3 of abrasive material, and Brown Alundum ball accounts for the total amount 1/6 ~ 1/3 of abrasive material；
b）The selection of polish abrasive when 40CrNiMoA steel retainer pockets hole is circular port：Brown Alundum ball accounts for the total amount of abrasive material
1/2~2/3；Brown Alundum oblique circular cylinder accounts for the total amount 1/6 ~ 1/3 of abrasive material；The oblique triangle of Brown Alundum accounts for the total amount 1/6 ~ 1/3 of abrasive material；
2）Polishing：Abrasive material and workpiece are added into polishing machine in the lump, to ensure that abrasive material and workpiece have enough spaces, abrasive material with
Workpiece filling total amount accounts for the 60% ~ 70% of polishing machine volume, and adds water；The addition of water is advisable with flooding abrasive material and workpiece；Throw
It is 4 ~ 5 hours between light time, needs to shut down after often polishing 1.5 ~ 2 hours, the hot water in container is emptied, inject cold water, treat casing
After interior abrasive material and workpiece cooling, then it is polished；
3）Light；2.5-φ of φ 3.5mm zirconium aluminium composite balls are chosen as bright abrasive material, abrasive material is added in the lump with workpiece
Polishing machine carries out light, and the time is 30 ~ 40 minutes.
Table 1, which is provided, to be used after the present invention processing when 40CrNiMoA steel retainer pockets hole is square with using prior art
In zirconia polishing after detection record and precision index contrast table
Table 2, which is provided, to be used after the present invention processing when 40CrNiMoA steel retainer pockets hole is circular with using of the prior art
Detection record and precision index contrast table after zirconia polishing
Table 1
Table 2
Claims (1)
1. a kind of polishing processing method of 40CrNiMoA steels retainer, it is characterised in that：Described polishing processing method includes
Polishing and light；It is comprised the following steps that：
1）The selection of polish abrasive：Brown Alundum is chosen as abrasive material, Brown Alundum include Brown Alundum oblique circular cylinder, the oblique triangle of Brown Alundum with
And Brown Alundum ball；
a）The selection of abrasive material when 40CrNiMoA steel retainer pockets hole is square：Brown Alundum oblique circular cylinder account for the total amount 1/6 of abrasive material ~
1/3, the oblique triangle of Brown Alundum accounts for the total amount 1/6 ~ 1/3 of abrasive material, and Brown Alundum ball accounts for the total amount 1/6 ~ 1/3 of abrasive material；
b）The selection of polish abrasive when 40CrNiMoA steel retainer pockets hole is circular port：Brown Alundum ball accounts for the total amount of abrasive material
1/2~2/3；Brown Alundum oblique circular cylinder accounts for the total amount 1/6 ~ 1/3 of abrasive material；The oblique triangle of Brown Alundum accounts for the total amount 1/6 ~ 1/3 of abrasive material；
Polishing：Abrasive material and workpiece are added into polishing machine in the lump, to ensure that abrasive material and workpiece have enough spaces, abrasive material and work
Part filling total amount accounts for the 60% ~ 70% of polishing machine volume, and adds water；The addition of water is advisable with flooding abrasive material and workpiece；Polishing
Time is 4 ~ 5 hours, needs to shut down after often polishing 1.5 ~ 2 hours, the hot water in container is emptied, inject cold water, treat in casing
After abrasive material and workpiece cooling, then it is polished；
Light；2.5-φ of φ 3.5mm zirconium aluminium composite balls are chosen as bright abrasive material, abrasive material and workpiece are added into throwing in the lump
Ray machine carries out light, and the time is 30 ~ 40 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558879.5A CN107160286A (en) | 2017-07-11 | 2017-07-11 | The polishing processing method of 40CrNiMoA steel retainers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558879.5A CN107160286A (en) | 2017-07-11 | 2017-07-11 | The polishing processing method of 40CrNiMoA steel retainers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107160286A true CN107160286A (en) | 2017-09-15 |
Family
ID=59823726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710558879.5A Pending CN107160286A (en) | 2017-07-11 | 2017-07-11 | The polishing processing method of 40CrNiMoA steel retainers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107160286A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312048A (en) * | 2018-01-31 | 2018-07-24 | 苏州领裕电子科技有限公司 | A kind of high light technology of 3C Product charging interface shell |
| CN109093453A (en) * | 2018-09-27 | 2018-12-28 | 中国航发哈尔滨轴承有限公司 | A kind of surface quality method for improving of non-ferrous metal retainer |
| CN111069983A (en) * | 2019-12-31 | 2020-04-28 | 昆山品越精密模具有限公司 | Polishing method for ball sheath of stamping bearing |
| CN111113253A (en) * | 2019-12-20 | 2020-05-08 | 大连德迈仕精密科技股份有限公司 | Surface roughness roll finishing method for oil pump shaft ball head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB899021A (en) * | 1959-10-15 | 1962-06-20 | U K Optical Bausch & Lomb Ltd | Improvements in or relating to the abrading of optical glass workpieces |
| CN1465468A (en) * | 2002-07-03 | 2004-01-07 | 鸿富锦精密工业（深圳）有限公司 | Method and equipment for metal piece vibration grinding polishing and burring |
| CN102430974A (en) * | 2011-12-26 | 2012-05-02 | 中信戴卡轮毂制造股份有限公司 | Aluminum wheel finishing process |
| CN102528632A (en) * | 2012-03-06 | 2012-07-04 | 青岛征和工业有限公司 | Method for removing burr on surface of precision stamped part by rolling/polishing treatment |
| CN106015335A (en) * | 2016-05-20 | 2016-10-12 | 中航工业哈尔滨轴承有限公司 | Bearing cage polishing cleaning method |
-
2017
- 2017-07-11 CN CN201710558879.5A patent/CN107160286A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB899021A (en) * | 1959-10-15 | 1962-06-20 | U K Optical Bausch & Lomb Ltd | Improvements in or relating to the abrading of optical glass workpieces |
| CN1465468A (en) * | 2002-07-03 | 2004-01-07 | 鸿富锦精密工业（深圳）有限公司 | Method and equipment for metal piece vibration grinding polishing and burring |
| CN102430974A (en) * | 2011-12-26 | 2012-05-02 | 中信戴卡轮毂制造股份有限公司 | Aluminum wheel finishing process |
| CN102528632A (en) * | 2012-03-06 | 2012-07-04 | 青岛征和工业有限公司 | Method for removing burr on surface of precision stamped part by rolling/polishing treatment |
| CN106015335A (en) * | 2016-05-20 | 2016-10-12 | 中航工业哈尔滨轴承有限公司 | Bearing cage polishing cleaning method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312048A (en) * | 2018-01-31 | 2018-07-24 | 苏州领裕电子科技有限公司 | A kind of high light technology of 3C Product charging interface shell |
| CN109093453A (en) * | 2018-09-27 | 2018-12-28 | 中国航发哈尔滨轴承有限公司 | A kind of surface quality method for improving of non-ferrous metal retainer |
| CN111113253A (en) * | 2019-12-20 | 2020-05-08 | 大连德迈仕精密科技股份有限公司 | Surface roughness roll finishing method for oil pump shaft ball head |
| CN111069983A (en) * | 2019-12-31 | 2020-04-28 | 昆山品越精密模具有限公司 | Polishing method for ball sheath of stamping bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107160286A (en) | The polishing processing method of 40CrNiMoA steel retainers | |
| Hashimoto et al. | Abrasive fine-finishing technology | |
| CA2555589C (en) | High-energy cascading of abrasive wear components | |
| CN106938410A (en) | The burnishing device and its method of big L/D ratio internal surface of elongated tube | |
| CN101362316A (en) | Low-temperature high-strength devitrified glass ceramics bond cubic boron nitride grinding wheel | |
| CN102605230A (en) | Bi-phase nano particle reinforced titanium alloy protective coating and preparation method of bi-phase nano particle reinforced titanium alloy protective coating | |
| Yoon et al. | Effect of the magnetic pole arrangement on the surface roughness of STS 304 by magnetic abrasive machining | |
| CN106737247B (en) | A kind of grinding tool of high tangential grinding force and low normal grinding force | |
| CN103648719B (en) | Microstoning emery wheel, the superfine processing method using this emery wheel and ball bearing | |
| CN106271899A (en) | A kind of glossing that vanadinizing bearing pin surface is polished | |
| CN106425331A (en) | Method for machining high-strength-toughness and high-abrasion-resistance ball bearing | |
| CN103011833B (en) | Production process of silicon nitride ceramic ball bearing rolling element | |
| CN102152193B (en) | Method for grinding superhard mini-hemispheric coupling parts | |
| CN105154004A (en) | Low-wear abrasive capable of improving corrosion resistance capability of stainless steel surface and preparation method of low-wear abrasive | |
| JP2009113189A (en) | Polishing method for rolling slide device member, and rolling slide device member | |
| CN105778863A (en) | Grinding fluid for aluminum wheel barreling-fishing machining and preparation method thereof | |
| CN205651234U (en) | Carborundum chiba wheel and rather than complex fixture for encapsulating | |
| CN101417403B (en) | Method for grinding and processing Sendzimer roller | |
| US20140013599A1 (en) | Method of Manufacturing Fan Blade Shields | |
| CN205111464U (en) | Processing equipment of thick sapphire hemisphere of congruent , super hemisphere radome fairing | |
| CN110939715A (en) | Gear shaft of new energy automobile speed reducer and manufacturing process thereof | |
| CN206028917U (en) | Synchronizer gear sleeve class part spiral -flow type barreling polishing processing tool equipment | |
| CN210588529U (en) | Novel burr machine spool | |
| CN202540127U (en) | Compound type setting abrasive millstone for milling ceramic ball | |
| CN202540161U (en) | Composite grinding wheel for tapered roller spherical fiducial surface non-magnetic grinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170915 |
|
| WD01 | Invention patent application deemed withdrawn after publication |