CN102107378A - Alignment method for realizing grinding of steep-angle bearing outer ring on floor type grinding machine - Google Patents
Alignment method for realizing grinding of steep-angle bearing outer ring on floor type grinding machine Download PDFInfo
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- CN102107378A CN102107378A CN 201010597445 CN201010597445A CN102107378A CN 102107378 A CN102107378 A CN 102107378A CN 201010597445 CN201010597445 CN 201010597445 CN 201010597445 A CN201010597445 A CN 201010597445A CN 102107378 A CN102107378 A CN 102107378A
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- 239000000523 sample Substances 0.000 abstract 2
- 238000010079 rubber tapping Methods 0.000 abstract 1
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- 230000008439 repair process Effects 0.000 description 1
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Abstract
The invention discloses an alignment method for realizing the grinding of a steep-angle bearing outer ring on a floor type grinding machine, which comprises the following steps: grinding a reference arc surface (A) at the joint of an outer-ring race surface (B) and an outer-ring large end face (E) on an outer ring (1) firstly; if the steep angle of the outer ring is alpha degrees, tilting a chuck (3) by an angle of alpha degrees; tightly pressing the outer-ring large end face (E) on a pillar (2) configured on the chuck (3), and preliminarily fixing the outer ring by a pressing plate (5); sucking a magnetometer (6) at the end part of a grinding spindle (7), and enabling a contact probe of the magnetometer to point at the reference arc surface (A); rotating the chuck at a low speed and tapping the outer ring, so that the contact probe of the magnetometer is in a minimum oscillating state; and fastening the pressing plate so as to fix the outer ring. The alignment method disclosed by the invention mainly aims to realize the grinding of an outer-ring race surface on a floor type grinding machine, and then aims to indirectly meet the accuracy requirement for the difference in the wall thickness of an outer-ring small end face, thereby improving the grinding efficiency of the outer ring on the floor type grinding machine.
Description
Technical field
The invention belongs to the bearing grinding technical field, specially refer to a kind of auger angle bearing outer ring and landing the aligning method of realizing grinding on the grinding machine.
Background technology
Steel-angle bearing generally is used in has only axial load or the axial load workplace greater than radial load.Because the angle of the relative outer ring of the roller surface central axis of auger angle bearing outer ring is bigger, exceeded the angle grinding scope of electric magnetic no-core grinding machine, so can not realize the grinding of outer ring raceway face at the electric magnetic no-core grinding machine.
The roller surface grinding of auger angle bearing outer ring can realize that the grinding machine that lands is the professional grinding machine that Lip river axle, watt axle equipment company produce on the grinding machine landing.
In conjunction with Fig. 1, the aligning method of grinding machine when grinding auger angle bearing outer ring raceway face that land is as follows:
After outer ring periphery D grinding is finished, the wall thickness of measuring outer ring raceway face B and outer ring periphery D with instrument earlier is poor, the little value point of the big value point of described wall thickness difference and described wall thickness difference is labeled in respectively on the small end face C of outer ring, during centering table is beaten on the roller surface B of outer ring, the grinding of its roller surface B is carried out in the fastening outer ring, little value point back of the big value point of the described wall thickness difference of centering and described wall thickness difference.
The weak point of above-mentioned centering is:
1, the measurement of outer ring raceway face B and outer ring periphery D wall thickness difference requires accuracy higher, is prone to the human error phenomenon;
2, become flexible phenomenon needs centering clamping once more if the outer ring occurs in the grinding process, the wall thickness that also need remeasure outer ring raceway face B and outer ring periphery D is poor, increases man-hour, and efficient is very low.
Summary of the invention
For addressing the above problem, the invention provides a kind of auger angle bearing outer ring and landing the aligning method of realizing grinding on the grinding machine, this aligning method is to process the basic circle cambered surface earlier, realize that by the basic circle cambered surface outer ring is at the centering that lands on the grinding machine, aligning method is simple and practical, has improved the outer ring at the grinding efficiency that lands on the grinding machine.
For achieving the above object, the present invention has adopted following technical scheme:
The aligning method of realizing grinding on the grinding machine is being landed in a kind of auger angle bearing outer ring, the big cone angle of the relative outer ring of outer ring raceway face central axis is the ɑ degree, described big cone angle makes the outer ring both ends of the surface produce outer ring large end face and outer ring small end face, and aligning method of the present invention comprises following content:
I, elder generation's grinding on the electric magnetic no-core grinding machine go out the basic circle cambered surface of outer ring roller surface and large end face junction, outer ring, and the axial width of described basic circle cambered surface is controlled in 3 mm, and the bus of the bus of described basic circle cambered surface and outer ring periphery is parallel to each other;
II, if the big cone angle of the relative outer ring of outer ring raceway face central axis is the ɑ degree, the chuck of grinding machine of then will landing also is inclined to the ɑ degree, the outer ring large end face abutted against land on the pillar of grinding machine chuck configuration and by the tentatively fixing outer ring of pressing plate, the magnetic force table inhale land the grinder wheel axle the end and make the contact pilotage of magnetic force table point to described basic circle cambered surface, the low speed rotation chuck also beats the outer ring gently makes magnetic force table indicator be in the minimum wobble state, the oscillating quantity of magnetic force table indicator is more little represents that then the rotation of chuck is just parallel more with the bus of described basic circle cambered surface, is in clam member under the minimum wobble state at magnetic force table indicator and makes the fixing auger angle bearing outer ring of promptly finishing, outer ring land the aligning method of realizing grinding on the grinding machine.
Because adopt aforesaid scheme, the present invention has following superiority:
1, process the basic circle cambered surface on the bearing special purpose grinder, the bus that can high-precision assurance basic circle cambered surface and the bus of outer ring periphery are parallel to each other, or say the axiality preferably that has of outer ring periphery and basic circle cambered surface.
2, the aligning method that the basic circle cambered surface that processes is introduced than background technology is simpler effectively, the wall thickness that need not repeatedly to measure outer ring raceway face and outer ring periphery is poor, only need in the grinding process at any time that centering basic circle cambered surface gets final product, improved the outer ring at the grinding efficiency that lands on the grinding machine.
3, treat that the grinding of outer ring raceway face is finished after, the basic circle cambered surface that repairs again is that chamfering gets final product, and meets the designing requirement of outer ring.
Description of drawings
Fig. 1 is the schematic diagram of aligning method of the present invention.
Among Fig. 1: the 1-outer ring; The 2-pillar; The 3-chuck; The 4-cramp bar; The 5-pressing plate; 6-magnetic force table; The 7-grinding wheel spindle; A-basic circle cambered surface; B-outer ring raceway face; C-outer ring small end face; D-outer ring periphery; E-outer ring large end face.
The specific embodiment
For describing the present invention in detail, have the different end faces of outer ring 1 are self-defined: basic circle cambered surface A, outer ring raceway face B, outer ring small end face C, outer ring periphery D and outer ring large end face E, the relative outer ring of outer ring raceway face B 1 central axis has big cone angle, and described big cone angle makes outer ring 1 both ends of the surface produce outer ring large end face E and outer ring small end face C.
In conjunction with Fig. 1, for model is the steel-angle bearing of JM969241DW/NP311711, the external diameter of its outer ring 1 be 650mm, width be the big cone angle of the relative outer ring of 90mm, outer ring raceway face B 1 central axis be 31 ° 30 ', the accuracy class of outer ring 1 is the P5 level, and the wall thickness difference that requires outer ring small end face C is 0.021mm.
The main purpose of aligning method of the present invention is the grinding that realizes outer ring raceway face B on the grinding machine landing, and secondly satisfies the required precision of outer ring small end face C wall thickness difference indirectly.For this reason, the aligning method that the present invention is directed to described main purpose comprises following content:
I, elder generation's grinding on the electric magnetic no-core grinding machine go out the basic circle cambered surface A of outer ring roller surface B and large end face E junction, outer ring, the axial width of described basic circle cambered surface A is controlled at 2.8 ± 0.2mm, the bus of the bus of described basic circle cambered surface A and outer ring periphery D is parallel to each other, and can guarantee that under the state of being parallel to each other described basic circle cambered surface A and outer ring periphery D have axiality preferably.
II, if the big cone angle of the relative outer ring of outer ring raceway face B 1 central axis be 31 ° 30 ', the chuck 3 of grinding machine of then will landing also be inclined to 31 ° 30 ', outer ring large end face E is abutted against the cramp bar 4 that lands on the pillar 2 of grinding machine chuck 3 configuration and be fixed on the chuck 3 by pressing plate 5(to be connected with pressing plate 5) tentatively fixing outer ring 1, magnetic force table 6 inhale land grinder wheel axle 7 the end and make the contact pilotage of magnetic force table point to described basic circle cambered surface A, low speed rotation chuck 3 also beats outer ring 1 gently makes magnetic force table 6 indicator be in the minimum wobble state, the oscillating quantity of magnetic force table 6 indicator is more little represents that then the rotation of chuck 3 is just parallel more with the bus of described basic circle cambered surface A, is in clam member 5 under the minimum wobble state at magnetic force table 6 indicator and makes the fixing auger angle bearing outer ring of promptly finishing, outer ring 1 land the aligning method of realizing grinding on the grinding machine.
Above-mentioned centering process finishes back grinding outer ring raceway face B.The monolateral grinding allowance of outer ring raceway face B is 0.35mm, the axial width of described basic circle cambered surface A was reduced to 2.23 ± 0.2mm from 2.8 ± 0.2mm after grinding was finished, again the axial width of 2.23 ± 0.2mm is repaired into the nature knuckle and get final product, natural knuckle is controlled at the designing requirement that R2.0 ± 0.70mm all can satisfy outer ring raceway face B.
The wall thickness level difference measurements of outer ring 1 is 0.018mm behind grinding outer ring raceway face B and the reparation nature knuckle, satisfies the required precision of the wall thickness difference 0.021mm of outer ring small end face C.
Claims (1)
1. the aligning method of realizing grinding on the grinding machine is being landed in an auger angle bearing outer ring, outer ring raceway face (B) the big cone angle of outer ring (1) central axis relatively is the ɑ degree, described big cone angle makes outer ring (1) both ends of the surface produce outer ring large end face (E) and outer ring small end face (C), and it is characterized in that: this aligning method comprises following content:
I, elder generation's grinding on the electric magnetic no-core grinding machine go out the basic circle cambered surface (A) of outer ring roller surface (B) and outer ring large end face (E) junction, the axial width of described basic circle cambered surface (A) is controlled in 3 mm, and the bus of the bus of described basic circle cambered surface (A) and outer ring periphery (D) is parallel to each other;
II, if outer ring raceway face (B) the big cone angle of outer ring (1) central axis relatively is the ɑ degree, the chuck (3) of grinding machine of then will landing also is inclined to the ɑ degree, outer ring large end face (E) abutted against land that the pillar (2) of grinding machine chuck (3) configuration is gone up and by pressing plate (5) tentatively fixedly outer ring (1), magnetic force table (6) inhale land grinder wheel axle (7) the end and make the contact pilotage of magnetic force table (6) point to described basic circle cambered surface (A), low speed rotation chuck (3) also beats outer ring (1) gently makes magnetic force table (6) indicator be in the minimum wobble state, the oscillating quantity of magnetic force table (6) indicator is more little represents that then the rotation of chuck (3) is just parallel more with the bus of described basic circle cambered surface (A), is in clam member under the minimum wobble state (5) at magnetic force table (6) indicator and makes the fixing auger angle bearing outer ring of promptly finishing, outer ring (1) land the aligning method of realizing grinding on the grinding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010597445 CN102107378B (en) | 2010-12-21 | 2010-12-21 | Alignment method for realizing grinding of steep-angle bearing outer ring on floor type grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010597445 CN102107378B (en) | 2010-12-21 | 2010-12-21 | Alignment method for realizing grinding of steep-angle bearing outer ring on floor type grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102107378A true CN102107378A (en) | 2011-06-29 |
| CN102107378B CN102107378B (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010597445 Active CN102107378B (en) | 2010-12-21 | 2010-12-21 | Alignment method for realizing grinding of steep-angle bearing outer ring on floor type grinding machine |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1459898A1 (en) * | 1985-08-09 | 1989-02-23 | И.Е.Бондаренко, С.В.Турков и С.Ф.Левкин | Method of working ring surface |
| CN201455801U (en) * | 2009-09-03 | 2010-05-12 | 贵州航天控制技术有限公司 | Rotary swinging device of high-precision small spherical grinder |
| CN201471284U (en) * | 2009-08-04 | 2010-05-19 | 无锡市海博精机有限公司 | Multifunctional numerical control vertical super-finishing machine |
-
2010
- 2010-12-21 CN CN 201010597445 patent/CN102107378B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1459898A1 (en) * | 1985-08-09 | 1989-02-23 | И.Е.Бондаренко, С.В.Турков и С.Ф.Левкин | Method of working ring surface |
| CN201471284U (en) * | 2009-08-04 | 2010-05-19 | 无锡市海博精机有限公司 | Multifunctional numerical control vertical super-finishing machine |
| CN201455801U (en) * | 2009-09-03 | 2010-05-12 | 贵州航天控制技术有限公司 | Rotary swinging device of high-precision small spherical grinder |
Non-Patent Citations (1)
| Title |
|---|
| 《机械研究与应用》 20040731 马晨曦 提高烟机轴承箱体前后轴承同轴度的措施 1 49,53 第17卷, 第3期 * |
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| CN102107378B (en) | 2013-03-20 |
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Effective date of registration: 20180509 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: LUOYANG BEARING RESEARCH INSTITUTE Co.,Ltd. Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: LUOYANG BEARING SCIENCE & TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20231219 Address after: 200240 Shanghai city Minhang District humin Road No. 1111 Patentee after: SHANGHAI UNITED BEARING Co.,Ltd. Address before: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee before: LUOYANG BEARING RESEARCH INSTITUTE Co.,Ltd. |