CN108555353A - A kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system - Google Patents
A kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system Download PDFInfo
- Publication number
- CN108555353A CN108555353A CN201810380216.3A CN201810380216A CN108555353A CN 108555353 A CN108555353 A CN 108555353A CN 201810380216 A CN201810380216 A CN 201810380216A CN 108555353 A CN108555353 A CN 108555353A
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- Prior art keywords
- bearing inner
- inner race
- lubrication system
- processing
- rotating speed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2247/00—Details of drilling jigs
- B23B2247/12—Drilling jigs with means to affix the jig to the workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system, it is related to the bearing inner race Vehicle Processing mold and processing method of lubrication system.In processing mold process of the present invention in order to solve the prior art, bearing lubrication structure is undesirable, the problem of machining of oil hole difficulty, including model drilling body, pressing plate, nuts and bolt, the upper surface of model drilling body is equipped with mounting groove, bolt is vertically arranged in mounting groove, and nut and pressing plate are from top to bottom sleeved on the top of bolt successively；Its process steps is as follows：Step 1: first time thin vehicle；Step 2: second of thin vehicle；Step 3: grinding the upper and lower end face of bearing inner race；Step 4: the outer circle of buffing bearing inner race；Step 5: two surface chamfers of bearing inner ring；Step 6: the septal fossula of bearing inner ring；Step 7: the oil groove of bearing inner ring；Step 8: boring oilhole.The present invention is used for mechanical bearing manufacture field.
Description
Technical field
The present invention relates to mechanical bearing manufacture fields, and in particular to the bearing inner race Vehicle Processing mold of lubrication system and processing
Method.
Background technology
With the fast development of bearing industry, lubrication also increasingly highlights the great influence of bearing, that is, lubricates to rolling
There are far-reaching influence in the fatigue life of bearing and friction, abrasion, Wen Sheng, vibration etc., do not lubricate normally, and bearing cannot
Work, therefore the good lubrication of bearing is the effective measures for extending bearing service life, reducing bearing friction and abrasion, but because of axis
Oil spit hole diameter dimension is smaller and relatively deep, and machining of oil hole is difficult, and drill bit is limited by aperture, and diameter is small and length is longer, makes
At poor rigidity, intensity is low, it is easy to which the phenomenon that generating folding drill bit causes the qualification rate of converted products and processing efficiency relatively low.
Invention content
The present invention is in the processing mold process for solve the prior art, and bearing lubrication structure is undesirable, machining of oil hole
Difficult problem, and then propose a kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system.
The present invention adopts the technical scheme that in order to solve the above problem：
A kind of bearing inner race Vehicle Processing mold of lubrication system includes model drilling body, pressing plate, nuts and bolt, model drilling body
Upper surface be equipped with mounting groove, bolt is vertically arranged in mounting groove, and nut and pressing plate are from top to bottom sleeved on bolt successively
Top.
Further, model drilling body is the prism that bottom surface is octagon, and mounting groove is circular groove.
Further, guide hole there are one being all provided in each plane of model drilling body lateral wall.
Further, pressing plate is round plate body, and platen edge is equipped with a v notch v.
A kind of bearing inner race turning processing method of lubrication system, the process that feeds intake use lathe in machining, a kind of profit
Steps are as follows for the bearing inner race turning processing method of Slipped Clove Hitch structure：
Step 1: first time thin vehicle：
(1) thin bearing inner ring upper surface, face height are 14.5mm~14.8mm,
(1) thin bearing inner ring inner circle, a diameter of 29.53~φ of the φ 29.63mm of inner circle after processing,
(2) exterior angle in falling, chamfer dimesion are 0.6 ± 0.1X45 °；
Step 2: second of thin vehicle：
(1) lower face of thin bearing inner ring, face height are 13.45~13.35mm；
(2) thin bearing holds the outer circle of inner ring, a diameter of 38.2~φ of the φ 38.1mm of inner circle after processing,
(3) exterior angle in falling, chamfer dimesion are 0.6 ± 0.1X45 °；
Step 3: grinding the upper and lower end face of bearing inner race, the height of upper and lower end face is 13.28mm~13.32mm, grinding wheel
Upper disk rotating speed n is：65r/min, disk rotating speed n is under grinding wheel：65r/min；
Step 4: the outer circle of buffing bearing inner race, the excircle dimension after processing is 38.03~φ of φ 38, and grinding wheel speed is
n：1440r/min, guide wheel rotating speed are n：25~30r/min；
Step 5: two surface chamfers of bearing inner ring, outer chamfer size are：0.8 ± 0.1, r2 ± 0.1, inner chamfer size
For：1.3 ± 0.1mm, r3.5 ± 0.1mm, amount of feeding f are：0.1~0.2mm/r, cutter rotating speed n are：1000~1200r/
min；
Step 6；The septal fossula of bearing inner ring, a diameter of φ 35.5 to φ 35.6mm, amount of feeding f of septal fossula after processing
For：0.05 to 0.1mm/r, cutter rotating speed n are：800~1000r/min；
Step 7: the oil groove of bearing inner ring, oil groove a diameter of 31.1~φ of φ 31.3mm, amount of feeding f after processing are：
0.05~0.1mm/r, cutter rotating speed n are：800~1000r/min；
Step 8: boring oilhole.
Further, the rotating speed n of cutter is in step 1：800~1000r/min, the amount of feeding are 0.1~0.2mm/r.
Further, the rotating speed n of cutter is in step 2：800~1000r/min, amount of feeding f are：0.1~0.2mm/r.
Further, in step 8, the oilhole size after processing is φ 0.8~φ 0.9mm, and cutter rotating speed n is：4800r/
min。
The beneficial effects of the invention are as follows：The present invention by testing repeatedly, constantly gropes processing experiment, leads in actual production
It crosses and changes conventional processing process, formulated a kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system, lead to
The processing mold and processing method for crossing reasonable design complete the bearing inner race processing of lubrication system, it is tired to solve machining of oil hole
Difficulty, the undesirable problem of lubrication system, the effective passing rate of processing and processing efficiency for improving bearing inner race oilhole.
Description of the drawings
Fig. 1 is the device of the invention overall structure diagram；
Fig. 2 is the vertical view of Fig. 1；
Specific implementation mode：
Specific implementation mode one：Embodiment is described with reference to Fig. 1, a kind of lubrication system described in present embodiment
Bearing inner race Vehicle Processing mold includes model drilling body 1, pressing plate 2, nut 3 and bolt 4, and the upper surface of model drilling body 1 is equipped with mounting groove 1-
1, bolt 4 is vertically arranged in mounting groove 1-1, and nut 3 and pressing plate 2 are from top to bottom sleeved on the top of bolt 4 successively.
Specific implementation mode two：Illustrate present embodiment in conjunction with Fig. 1 and Fig. 2, a kind of lubrication system described in present embodiment
Bearing inner race Vehicle Processing mold model drilling body 1 be bottom surface be octagon prism, mounting groove 1-1 is circular groove.Its
It is formed and connection relation is same as the specific embodiment one.
Specific implementation mode three：Embodiment is described with reference to Fig. 1, a kind of bearing of lubrication system described in present embodiment
Guide hole 6 there are one being all provided in each plane of 1 lateral wall of model drilling body of inner ring Vehicle Processing mold.Two neighboring guide hole 6 one
It is a positioned at the top of plane, another guide hole 6 is located at the lower part of plane.Other compositions and connection relation and specific implementation mode
One or two is identical.
Specific implementation mode four：Illustrate present embodiment in conjunction with Fig. 1 and Fig. 2, lubrication system is planted described in present embodiment
The pressing plate 2 of bearing inner race Vehicle Processing mold is round plate body, and 2 edge of pressing plate is equipped with a v notch v 2-1, v notch v 2-1's
Inner end extends to the geometric center position of pressing plate 2.Other compositions and connection relation and specific implementation mode one, two or three-phase
Together.
Specific implementation mode five：Illustrate present embodiment, a kind of bearing inner race of lubrication system in conjunction with Fig. 1 and Fig. 2
Steps are as follows for turning processing method：
Step 1: first time thin vehicle：
(1) thin bearing inner ring upper surface, face height are 14.5mm~14.8mm,
(3) thin bearing inner ring inner circle, a diameter of 29.53~φ of the φ 29.63mm of inner circle after processing,
(4) exterior angle in falling, chamfer dimesion are 0.6 ± 0.1X45 °；
Step 2: second of thin vehicle：
(4) lower face of thin bearing inner ring, face height are 13.45~13.35mm；
(5) thin bearing holds the outer circle of inner ring, a diameter of 38.2~φ of the φ 38.1mm of inner circle after processing,
(6) exterior angle in falling, chamfer dimesion are 0.6 ± 0.1X45 °；
Step 3: grinding the upper and lower end face of bearing inner race, the height of upper and lower end face is 13.28mm~13.32mm, grinding wheel
Upper disk rotating speed n is：65r/min, disk rotating speed n is under grinding wheel：65r/min；
Step 4: the outer circle of buffing bearing inner race, the excircle dimension after processing is 38.03~φ of φ 38, and grinding wheel speed is
n：1440r/min, guide wheel rotating speed are n：25~30r/min；
Step 5: two surface chamfers of bearing inner ring, outer chamfer size are：0.8 ± 0.1, r2 ± 0.1, inner chamfer size
For：1.3 ± 0.1mm, r3.5 ± 0.1mm, amount of feeding f are：0.1~0.2mm/r, cutter rotating speed n are：1000~1200r/
min；
Step 6；The septal fossula of bearing inner ring, a diameter of φ 35.5 to φ 35.6mm of septal fossula, amount of feeding f are after processing：
0.05 to 0.1mm/r, cutter rotating speed n are：800~1000r/min；
Step 7: the oil groove of bearing inner ring, oil groove a diameter of 31.1~φ of φ 31.3mm, amount of feeding f after processing are：
0.05~0.1mm/r, cutter rotating speed n are：800~1000r/min；
Step 8: boring oilhole.
Specific implementation mode six：Illustrate that present embodiment, present embodiment are cutter in step 1 in conjunction with Fig. 1 and Fig. 2
Rotating speed n is：800~1000r/min, the amount of feeding are 0.1~0.2mm/r.
In present embodiment, the brill oilhole process is processed using bearing inner race Vehicle Processing mold, first processing oil groove
Oilhole is bored again, reduces the allowance 3.5mm in drilling operating, and oilhole size is φ 0.8 to φ 0.9mm, cutter rotating speed n
For：4800r/min.Other compositions and connection relation are identical as specific implementation mode one, two, three, four or five.
Specific implementation mode seven：Illustrate that present embodiment, present embodiment are cutter in step 2 in conjunction with Fig. 1 and Fig. 2
Rotating speed n is：800~1000r/min, amount of feeding f are：0.1~0.2mm/r.Other compositions and connection relation and specific embodiment party
Formula one, two, three, four, five or six are identical.
Specific implementation mode eight：Illustrate that present embodiment, present embodiment are to bore oilhole in step 8 in conjunction with Fig. 1 and Fig. 2
Process is processed using the bearing inner race Vehicle Processing mold stated described in claim 1, the oilhole size after processing be φ 0.8~
φ 0.9mm, cutter rotating speed n are：4800r/min.Other compositions and connection relation and specific implementation mode one, two, three, four, five,
Six or seven is identical.
Operation principle：
The bearing inner race structure of processing, which is inside diameter hoop direction, two rows of annular oil grooves, oil groove R0.75 to R0.85mm, and
And radial two outages of bearing inner race are staggered 45 degree of distributions in circumferencial direction, oilhole is communicated with oil groove, oilhole size for φ 0.8~
φ 0.9mm, interior loop material are 8Cr4Mo4V, and hardness is higher than general material, reach 197HB to 247HB.The bearing is processed to hold
The processing mold of inner ring is positioned with inner ring plane and outer diameter, and model drilling body 1 is a regular octahedron, sets that there are one draw on each face
Guide hole, and the position of adjacent holes is different, to realize that clamped one time completes radial two rows of totally eight oilholes of inner ring, lubricating oil warp
Radial hole, oil groove on bearing inner race enter bearing, and inner ring lower part is held to bearing fuel feeding from bearing.Clamping is simple, easy to operate,
Save the adjustment time of processing.When processing the bearing inner race and being, the outer bowlder of buffing, using the processing side with processing mold match grinding
Method ensures the fit clearance between mold, to ensure the positional precision of drilling, first processing oil groove, then bores oilhole and reduces brill
Allowance in the process of hole greatly reduces the wear rate of drill bit, improves cutting-tool's used life.
Claims (8)
1. a kind of bearing inner race Vehicle Processing mold of lubrication system, it is characterised in that：A kind of bearing inner race of the lubrication system
Vehicle Processing mold includes model drilling body (1), pressing plate (2), nut (3) and bolt (4), and the upper surface of model drilling body (1) is equipped with mounting groove
(1-1), bolt (4) are vertically arranged in mounting groove (1-1), and nut (3) and pressing plate (2) are from top to bottom sleeved on bolt successively
(4) top.
2. the bearing inner race Vehicle Processing mold of a kind of lubrication system according to claim 1, it is characterised in that：Model drilling body (1)
It is the prism that bottom surface is octagon, mounting groove (1-1) is circular groove.
3. the bearing inner race Vehicle Processing mold of a kind of lubrication system according to claim 2, it is characterised in that：Model drilling body (1)
Guide hole (6) there are one being all provided in each plane of lateral wall.
4. according to claim 1, it is characterised in that：A kind of pressing plate of the bearing inner race Vehicle Processing mold of the lubrication system
(2) it is round plate body, and pressing plate (2) edge is equipped with a v notch v (2-1).
5. a kind of bearing inner race turning processing method of lubrication system, it is characterised in that：A kind of bearing inner race of the lubrication system
The step of turning processing method, is as follows：
Step 1: first time thin vehicle：
(1) thin bearing inner ring upper surface, face height are 14.5mm~14.8mm；
(2) thin bearing inner ring inner circle, a diameter of φ 29.53mm~φ 29.63mm of inner circle after processing；
(3) exterior angle in falling, chamfer dimesion are 0.6 ± 0.1X45 °；
Step 2: second of thin vehicle：
(1) lower face of thin bearing inner ring, face height are 13.45~13.35mm；
(2) thin bearing holds the outer circle of inner ring, a diameter of 38.2~φ of the φ 38.1mm of inner circle after processing；
(3) exterior angle in falling, chamfer dimesion are 0.6 ± 0.1X45 °.
Step 3: grind the upper and lower end face of bearing inner race, the height of upper and lower end face is 13.28mm~13.32mm, disk on grinding wheel
Rotating speed n is：65r/min, disk rotating speed n is under grinding wheel：65r/min；
Step 4: the outer circle of buffing bearing inner race, the excircle dimension after processing is φ 38.03~φ 38mm, grinding wheel speed n：
1440r/min, guide wheel rotating speed are n：25~30r/min；
Step 5: two surface chamfers of bearing inner ring, outer chamfer size are：0.8 ± 0.1mm, r2 ± 0.1mm, inner chamfer size
For：1.3 ± 0.1mm, r3.5 ± 0.1mm, amount of feeding f are：0.1~0.2mm/r, cutter rotating speed n are：1000~1200r/min；
Step 6；The septal fossula of bearing inner ring, the diameter dimension of septal fossula is φ 35.5 to φ 35.6mm after processing, and amount of feeding f is：
0.05 to 0.1mm/r, cutter rotating speed n are：800~1000r/min；
Step 7: the oil groove of bearing inner ring, the oil groove diameter dimension after processing is that φ 31.1~φ 31.3mm, amount of feeding f are：
0.05~0.1mm/r, cutter rotating speed n are：800~1000r/min；
Step 8: boring oilhole.
6. the bearing inner race turning processing method of a kind of lubrication system according to claim 5, it is characterised in that：The step 1
The rotating speed n of middle cutter is：800~1000r/min, the amount of feeding are 0.1~0.2mm/r.
7. the bearing inner race turning processing method of a kind of lubrication system according to claim 5, it is characterised in that：The step 2
The rotating speed n of middle cutter is：800~1000r/min, amount of feeding f are：0.1~0.2mm/r.
8. the bearing inner race turning processing method of a kind of lubrication system according to claim 5, it is characterised in that：The step 8
In, the oilhole size after processing is φ 0.8~φ 0.9mm, and cutter rotating speed n is：4800r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380216.3A CN108555353A (en) | 2018-04-25 | 2018-04-25 | A kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380216.3A CN108555353A (en) | 2018-04-25 | 2018-04-25 | A kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system |
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| CN108555353A true CN108555353A (en) | 2018-09-21 |
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| CN201810380216.3A Pending CN108555353A (en) | 2018-04-25 | 2018-04-25 | A kind of the bearing inner race Vehicle Processing mold and processing method of lubrication system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482936A (en) * | 2018-12-29 | 2019-03-19 | 陕西宝成航空仪表有限责任公司 | Square coverplate parts Non-completety symmetry side opening mistake proofing anti-deformation drilling jig gripper |
| CN111015130A (en) * | 2019-12-31 | 2020-04-17 | 江阴燎原装备制造有限公司 | Method for machining inner 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482936A (en) * | 2018-12-29 | 2019-03-19 | 陕西宝成航空仪表有限责任公司 | Square coverplate parts Non-completety symmetry side opening mistake proofing anti-deformation drilling jig gripper |
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| CN111015130A (en) * | 2019-12-31 | 2020-04-17 | 江阴燎原装备制造有限公司 | Method for machining inner 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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