CN107931986A - A kind of processing method of the bearing outer ring with unilateral flange - Google Patents
A kind of processing method of the bearing outer ring with unilateral flange Download PDFInfo
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- CN107931986A CN107931986A CN201711142802.6A CN201711142802A CN107931986A CN 107931986 A CN107931986 A CN 107931986A CN 201711142802 A CN201711142802 A CN 201711142802A CN 107931986 A CN107931986 A CN 107931986A
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- outer ring
- bearing outer
- grinding
- flange
- symmetrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
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Abstract
A kind of processing method of the bearing outer ring with unilateral flange and symmetrical dustproof groove is provided, using the bar after forging is annealed or materials in the tube as raw material, bearing outer ring blank is cut into, by the machining of early period, forms symmetrical bearing outer ring semi-finished product；Flange (1) is formed by cylindrical (3) of turning bearing outer ring；It is characterized in that, completing whole grindings of two side plane of bearing outer ring (5) before turning forms flange (1), the grinding of two side plane of bearing outer ring (5) is all using both sides while symmetrical grinding method；Overcoming former technique causes the dust-proof groove depth in both sides to make both sides dustproof groove there are the defects of obvious linear difference（2）Ultimate depth reach consistent.
Description
Technical field
The present invention relates to a kind of processing method of the bearing outer ring with unilateral flange and symmetrical dustproof groove.
Background technology
Basic standard part of the bearing as modern industry machine, it is widely used, it is necessary to measure huge.Bearing mnanufacture technology is
It is highly developed.In order to dust-proof, the both sides of bearing are generally both provided with dustproof cover；In order to install dustproof cover, bearing outer ring needs pair
Claim fluting, since this groove is used to install dustproof cover, so being commonly referred to as dustproof groove in the industry.
During bearing mnanufacture, the outer surface of bearing outer ring is required to grinding, and the two sides of bearing outer ring are generally using same
When be symmetrically ground.It is same using symmetrical grinding at the same time, two sides grinding for the symmetrical bearing outer ring of two sides shape and structure
When, terminate at the same time, symmetrical stress when two sides are ground, grinding uniformity is good；And convenient mounting and clamping is stablized again, machining accuracy
High, operating efficiency height；So benefit is numerous, effect is very prominent.
The processing technology of existing bearing outer ring is, the monosymmetric bearing outer ring blank after forging is annealed is complete
Into turning and corase grinding, then quenched, tempering heat treatment, after carry out cylindrical processing with the fine ginding of two sides again.
Bearing outer ring has the bearing branch classification that the bearing of unilateral flange has unilateral positioning function as a brace, purposes
Also very extensively, there is higher accounting within the bearing at present, it is necessary to measure also very big.Existing such axis with unilateral flange
The processing technology of bearing outer-ring, is to complete outer ring turning in bearing outer ring blank to be formed as shown in figure 3, continuing to use process above step
Unilateral flange, then quenched, tempering heat treatment, after carry out symmetrically being ground while two sides again.Inventor has found, presses
The dustproof groove depth difference of the bearing outer ring both sides with unilateral flange of this technique manufacture is obvious, and it is obvious linear poor to exist
Value, the dust-proof groove depth b1 of non-flange side are significantly less than the dust-proof groove depth b2 of flange side, and most product b2- b1=0.05 ~
0.10mm, a small amount of product b2- b1 are more than 0.10mm, are easy to cause bearing dustproof cover and are interfered with internal retainer, or anti-
Dirt lid is higher by side plane, and bearing is interfered with exterior part.To find out its cause, it is that the bearing outer ring with unilateral flange uses two
During the symmetrical grinding at the same time of side, because two sides are asymmetric, as shown in Figure 3, after turning forms unilateral flange, non-flange side
Wall thickness 1 is significantly less than the wall thickness 2 of the bearing outer ring of flange side, and forced area is different during grinding, causes two sides to be ground stress shape
State is different, causes the grinding depth difference of two sides, and the grinding depth of non-flange end is significantly greater than the grinding depth of flange end；Cause
The dust-proof groove depth b1 of non-flange side is set to be significantly less than the dust-proof groove depth b2 of flange side, it is obvious linear poor to exist therebetween
Value.But if be each ground respectively using two sides, need each to distinguish clamping, it is more difficult to accurately hold respective mill
Stress and stock removal are cut, and operating efficiency is low.
The content of the invention
The technical problems to be solved by the invention are to be directed to the above-mentioned state of the art, there is provided one kind is with unilateral flange and symmetrically
The processing method of the bearing outer ring of dustproof groove.
Technical solution is used by the present invention solves above-mentioned technical problem：
The processing method that one kind has the bearing outer ring of unilateral flange (1), the bearing outer ring also have symmetrical dustproof groove (2),
The processing method of the bearing outer ring cuts into bearing outer ring hair using the bar after forging is annealed or materials in the tube as raw material
Base, by the machining of early period, forms symmetrical bearing outer ring semi-finished product；By cylindrical (3) of bearing outer ring described in turning
Form flange (1)；It is characterized in that, whole mills of two side plane of bearing outer ring (5) are completed before turning forms flange (1)
Processing is cut, the grinding of two side plane of bearing outer ring (5) is all using both sides while symmetrical grinding method.
It is further scheme individually below：
Cylindrical (3) of the machining of the early period including bearing outer ring blank described in turning, endoporus (4), two side planes (5),
Bearing outer ring described in turning forms symmetrically arranged dustproof groove (2).
The machining of the early period still further comprises both sides, and symmetrical grinding method roughly grinds two side planes (5) at the same time,
Cylindrical (3) with roughly grinding the bearing outer ring.
The processing method of the bearing outer ring, including following specific procedure of processing：
Step 1: carry out cylindrical (3) of the bearing outer ring, endoporus (4), the turnery processing of two side planes (5) regardless of order,
Or else symmetrically roughly ground while cylindrical (3) corase grinding, two side planes (5) that carry out to gradation sequence the bearing outer ring；
Step 2: bearing outer ring described in turning forms symmetrically arranged dustproof groove (2)；
Step 3: disposably complete symmetrically to refine while two side plane of bearing outer ring (5)；
Step 4: cylindrical (3) of bearing outer ring described in turning form flange (1)；
Step 5: the bearing outer ring is successively subjected to quenching treatment, temper；
Step 6: complete corase grinding and the fine grinding of secondary cylindrical (6) after the bearing outer ring step 4 turning.
Quenching treatment is handled for vacuum hardening in the step 5, and temper is oil-temper processing.
The step 6 still further comprises corase grinding and/or the fine grinding of the small side (7) of flange (1), and flange (1) is outer
The fine grinding of circle (3).
The present invention completes whole grindings of two side plane of bearing outer ring, bearing outer ring two before turning forms flange 1
The grinding of side plane is all using both sides while symmetrical grinding method.Overcoming former technique completely causes non-flange side
Dust-proof groove depth is significantly less than the dust-proof groove depth of flange side, therebetween there are the defects of obvious linear difference, makes both sides
The ultimate depth of dustproof groove reaches consistent.Numerous benefits that the present invention has given full play to using while has symmetrically been ground, two sides mill
Cut and start simultaneously at, terminate at the same time, symmetrical stress when two sides are ground, it is good to be ground uniformity；And convenient mounting and clamping is stablized again, processing essence
Degree is high, operating efficiency is high；So benefit is numerous, effect is very prominent.
Brief description of the drawings
Fig. 1 is symmetrical bearing outer ring blank schematic diagram；
Fig. 2 is bearing outer ring finished product schematic diagram of the present invention；
Fig. 3 is existing processing technology schematic diagram；
Fig. 4 is processing technology schematic diagram of the present invention.
Embodiment
Below with shown in Fig. 1 to Fig. 4, illustrate the present invention embodiment.
Fig. 1 is the symmetrical bearing outer ring blank schematic diagram after forging is annealed that present invention needs are processed；Fig. 2 is this hair
Bright bearing outer ring finished product schematic diagram.
The present invention is for this processing method with the bearing outer ring of unilateral flange 1 and symmetrical dustproof groove 2, with by forging
It is raw material to make the bar after annealing or materials in the tube, cuts into bearing outer ring blank, by the machining of early period, is formed symmetrical
Bearing outer ring semi-finished product；Flange 1 is formed by cylindrical the 3 of turning bearing outer ring；Bearing outer ring is completed before turning forms flange 1
Whole grindings of two side planes 5, the grinding of two side plane 5 of bearing outer ring is all using both sides symmetrical grinding at the same time
Mode.That is, after turning forms flange 1, no longer to two side plane 5 of bearing outer ring using both sides symmetrical grinding at the same time
Mode carries out grinding.The machining of early period include turning bearing outer ring blank cylindrical 3, endoporus 4, two side planes 5, car
Cut bearing outer ring and form symmetrically arranged dustproof groove (2).Alternatively, the machining of early period still further comprise both sides at the same time it is symmetrical
Grinding method roughly grind two side planes 5, with roughly grind bearing outer ring cylindrical 3.
The processing method of bearing outer ring of the present invention, as shown in figure 4, after cutting into bearing outer ring blank, including it is following specific
Procedure of processing：
Step 1: carry out cylindrical the 3 of bearing outer ring, endoporus 4, the turnery processing of two side planes 5 regardless of order, or else gradation sequence
Ground carries out symmetrical corase grinding and cylindrical 3 corase grinding while two side plane 5 of bearing outer ring；
Step 2: turning bearing outer ring forms symmetrically arranged dustproof groove 2；
Step 3: disposably complete symmetrically to refine while two side plane 5 of bearing outer ring；
Step 4: cylindrical the 3 of turning bearing outer ring form flange 1；
Step 5: bearing outer ring is successively subjected to quenching treatment, temper；
Step 6: complete secondary cylindrical 6 corase grinding after bearing outer ring step 4 turning and fine grinding.
Since bearing outer ring is by Q-tempering heat treatment, oxidation, decarburization phenomenon can be produced on its surface, influence its appearance
Quality.Prior art processes are to remove its outer surface by follow-up grinding.And the present invention is after heat treatment no longer to axis
Two side plane 5 of bearing outer-ring carries out grinding.In order to overcome adverse effect of the heat treatment to its exterior surface appearance quality, wherein,
Quenching treatment is preferably vacuum hardening processing in step 5, and temper is preferably oil-temper processing.In this way, can effectively it keep away
Exempt from adverse effect of the heat treatment to its exterior surface appearance quality.
Wherein, step 6 still further comprises corase grinding and/or the fine grinding of the small side 7 of flange 1, and cylindrical the 3 of flange 1
Fine grinding.
As shown in Figure 3, Figure 4, this processing method with the bearing outer ring of unilateral flange 1 and symmetrical dustproof groove 2, with warp
The symmetrical bearing outer ring blank crossed after forging annealing is raw material, and the thickness of target bearing outer ring is B after processing, and blank thickness is
B+H, H are the total chipping allowance of thickness, and after turning bearing outer ring forms symmetrically arranged dustproof groove 2, the cutting of both sides dustproof groove 2 adds
Final thickness after work is respectively b1, b2, and the thickness shared in blank of both sides dustproof groove 2 is respectively b1+ H/2, b2+ H/2.
The target thickness of perfect condition both sides dustproof groove 2 is preferably consistent, i.e. b1=b2, and the chipping allowance of both sides dustproof groove 2 is H/2.Car
Before cutting the cylindrical 3 formation flange 1 of bearing outer ring, both sides wall thickness 1 is identical with wall thickness 2；Cylindrical the 3 of turning bearing outer ring form flange
After 1, the wall thickness 1 for being cut side is significantly less than the wall thickness 2 for the flange side for not being cut side.
Existing skill processing technology as shown in figure 3, be to complete outer ring turning in bearing outer ring blank to form unilateral flange, then into
Row quenching, tempering heat treatment, after carry out symmetrically being ground while two sides again, forced area is different during grinding, causes two sides
Stress difference is ground, causes the grinding depth of two sides different, the grinding depth of non-flange end is significantly greater than the mill at blue end
Cut depth；Size b1 is caused to be significantly less than b2.Bearing dustproof cover is easy to cause to interfere with internal retainer, or dustproof cover
Side plane is higher by, bearing is interfered with exterior part.
As shown in figure 4, the present invention completes whole grindings of two side plane 5 of bearing outer ring before turning forms flange 1,
The grinding of two side plane 5 of bearing outer ring is all using both sides while symmetrical grinding method.Existing skill is overcome completely to add
The grinding depth that work technique forms after unilateral flange the two sides caused by symmetrical grinding while carrying out two sides again is different, non-
The grinding depth of flange end is significantly greater than the grinding depth at blue end, and there are the defects of obvious linear difference therebetween；Make two
The ultimate depth of side dustproof groove 2 reaches consistent, i.e. b1=b2.Process using the present invention, makes the final of both sides dustproof groove 2
The linear difference of depth is changed into random difference, is detected by batch test manufacture, it is ensured that the depth difference of two sides is in 0 ~ 0.05mm models
In enclosing.Numerous benefits that the present invention has given full play to using while has symmetrically been ground, two sides grinding are started simultaneously at, terminated at the same time,
Symmetrical stress when two sides are ground, grinding uniformity are good；And convenient mounting and clamping is stablized again, high precision machining, operating efficiency are high；So
Benefit is numerous, and effect is very prominent.
Claims (6)
1. the processing method that one kind has the bearing outer ring of unilateral flange (1), the bearing outer ring also have symmetrical dustproof groove
(2), the processing method of the bearing outer ring cuts into bearing outer ring using the bar after forging is annealed or materials in the tube as raw material
Blank, by the machining of early period, forms symmetrical bearing outer ring semi-finished product；By the cylindrical of bearing outer ring described in turning
(3) flange (1) is formed；It is characterized in that, complete the complete of two side plane of bearing outer ring (5) before turning forms flange (1)
Portion's grinding, the grinding of two side plane of bearing outer ring (5) is all using both sides while symmetrical grinding method.
2. the processing method of bearing outer ring as claimed in claim 1, it is characterised in that the machining of the early period includes car
Cylindrical (3) of the bearing outer ring blank, endoporus (4), two side planes (5) are cut, bearing outer ring described in turning is formed and is symmetrical arranged
Dustproof groove (2).
3. the processing method of bearing outer ring as claimed in claim 1, it is characterised in that the machining of the early period is also into one
Step includes both sides, and symmetrical grinding method roughly grinds two side planes (5) at the same time, cylindrical (3) with roughly grinding the bearing outer ring.
4. the processing method of bearing outer ring as claimed in claim 1, it is characterised in that after cutting into bearing outer ring blank, bag
Include following specific procedure of processing：
Step 1: carry out the turning of cylindrical (3), endoporus (4), two side planes (5) of the bearing outer ring blank regardless of order
Processing, then carry out symmetrical corase grinding and cylindrical (3) corase grinding while two side planes (5) of the bearing outer ring；
Step 2: bearing outer ring described in turning forms symmetrically arranged dustproof groove (2)；
Step 3: disposably complete symmetrically to refine while two side plane of bearing outer ring (5)；
Step 4: cylindrical (3) of bearing outer ring described in turning form flange (1)；
Step 5: the bearing outer ring is successively subjected to quenching treatment, temper；
Step 6: complete corase grinding and the fine grinding of secondary cylindrical (6) after the bearing outer ring step 4 turning.
5. the processing method of bearing outer ring as claimed in claim 3, quenching treatment is vacuum hardening processing in the step 5,
Temper is oil-temper processing.
6. the processing method of bearing outer ring as claimed in claim 3, the step 6 still further comprises the small side of flange (1)
The corase grinding or corase grinding in face (7) plus fine grinding, and the fine grinding of cylindrical (3) of flange (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711142802.6A CN107931986B (en) | 2017-11-17 | 2017-11-17 | Method for processing bearing outer ring with single-side flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711142802.6A CN107931986B (en) | 2017-11-17 | 2017-11-17 | Method for processing bearing outer ring with single-side flange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107931986A true CN107931986A (en) | 2018-04-20 |
| CN107931986B CN107931986B (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711142802.6A Active CN107931986B (en) | 2017-11-17 | 2017-11-17 | Method for processing bearing outer ring with single-side flange |
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| Country | Link |
|---|---|
| CN (1) | CN107931986B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008346A (en) * | 2020-09-02 | 2020-12-01 | 浙江金沃精工股份有限公司 | High-precision deep groove ball bearing outer ring machining method |
| CN112458271A (en) * | 2020-11-06 | 2021-03-09 | 中国航发哈尔滨轴承有限公司 | Method for reducing heat treatment deformation of special-shaped structure bearing ring |
| CN114749871A (en) * | 2022-04-19 | 2022-07-15 | 中国航发哈尔滨轴承有限公司 | Method for machining outer ring of large-joint bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642164A (en) * | 2012-04-27 | 2012-08-22 | 江苏万达特种轴承有限公司 | Method for forming and grinding cylindrical roll bearing inner ring with single retaining side or with single retaining side and step |
| CN102672431A (en) * | 2012-05-18 | 2012-09-19 | 浙江博盟精工机械有限公司 | Production process of shaft coupler bearing |
| CN103737265A (en) * | 2013-12-27 | 2014-04-23 | 滨州盟威斯林格缸套有限公司 | Machining process for piston anti-abrasion inlaid ring |
| CN105196121A (en) * | 2015-10-27 | 2015-12-30 | 衡阳纺织机械有限公司 | Method for machining end faces of connecting shaft bearing outer ring |
-
2017
- 2017-11-17 CN CN201711142802.6A patent/CN107931986B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642164A (en) * | 2012-04-27 | 2012-08-22 | 江苏万达特种轴承有限公司 | Method for forming and grinding cylindrical roll bearing inner ring with single retaining side or with single retaining side and step |
| CN102672431A (en) * | 2012-05-18 | 2012-09-19 | 浙江博盟精工机械有限公司 | Production process of shaft coupler bearing |
| CN103737265A (en) * | 2013-12-27 | 2014-04-23 | 滨州盟威斯林格缸套有限公司 | Machining process for piston anti-abrasion inlaid ring |
| CN105196121A (en) * | 2015-10-27 | 2015-12-30 | 衡阳纺织机械有限公司 | Method for machining end faces of connecting shaft bearing outer ring |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008346A (en) * | 2020-09-02 | 2020-12-01 | 浙江金沃精工股份有限公司 | High-precision deep groove ball bearing outer ring machining method |
| CN112458271A (en) * | 2020-11-06 | 2021-03-09 | 中国航发哈尔滨轴承有限公司 | Method for reducing heat treatment deformation of special-shaped structure bearing ring |
| CN114749871A (en) * | 2022-04-19 | 2022-07-15 | 中国航发哈尔滨轴承有限公司 | Method for machining outer ring of large-joint bearing |
| CN114749871B (en) * | 2022-04-19 | 2023-09-12 | 中国航发哈尔滨轴承有限公司 | Method for machining outer ring of large knuckle bearing |
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| Publication number | Publication date |
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| CN107931986B (en) | 2020-04-17 |
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