CN103522190A - Electric spark and mechanical composite dressing device for arc diamond grinding wheel - Google Patents
Electric spark and mechanical composite dressing device for arc diamond grinding wheel Download PDFInfo
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- CN103522190A CN103522190A CN201310532718.0A CN201310532718A CN103522190A CN 103522190 A CN103522190 A CN 103522190A CN 201310532718 A CN201310532718 A CN 201310532718A CN 103522190 A CN103522190 A CN 103522190A
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- worm
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- speed reducer
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- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
Abstract
The invention discloses an electric spark and mechanical composite dressing device for an arc diamond grinding wheel, and relates to a diamond grinding wheel dressing device to solve the problems of single function, low dressing efficiency and high dressing cost of existing arc diamond grinding wheel dressing equipment. The electric spark and mechanical composite dressing device comprises a first motor, a first worm gear speed reducer, a second motor, a second worm gear speed reducer, a base, a support, a lead screw, a fixing frame, a grinding wheel shaft, a third motor, an insulating crosser, belt pulleys, a transmission belt, a first screwing part, a second screwing part, a spring, a carbon brush, a high-frequency pulse power supply and a dressing wheel, the first worm gear speed reducer is mounted on the base, the second worm gear speed reducer is mounted at the upper end of the support, the first screwing part penetrates into the second screwing part and can reciprocate axially along the second screwing part, the first screwing part is connected with one end of the spring, and the carbon brush is connected with the other end of the spring. The electric spark and mechanical composite dressing device is used for dressing the arc diamond grinding wheel.
Description
Technical field
The present invention relates to a kind of diamond abrasive wheel dressing device, be specifically related to a kind of Arc Diamond Wheel electric spark and mechanical compound trimming device.
Background technology
Arc Diamond Wheel has irreplaceable effect in current Aspheric grinding processing, in aspherical mirror grinding process, in order to guarantee grinding accuracy, need to repair online emery wheel.
The dressing technique of existing Arc Diamond Wheel is mainly to use the single method of electric spark shaving or machine finish to carry out, adopt the bonding agent of electric spark method removal emery wheel to reach the object of finishing, or use mechanical method to remove surperficial abrasive particle and bonding agent.Two kinds of methods respectively have feature, can not phase trans-substitution.If Yi Ge producer need to carry out the finishing processing of resin-based skive and metal-base diamond grinding wheel, may need to order two trimming devices, increase the expenditure of enterprise, improved product cost.Therefore,, if the synthetic equipment of two kinds of trimming devices can be able to be saved to cost, raise the efficiency.
Summary of the invention
The present invention is for solving existing Arc Diamond Wheel trimming device function singleness, and dressing efficiency is lower and repair the higher problem of cost, and then a kind of Arc Diamond Wheel electric spark and mechanical compound trimming device are provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: a kind of Arc Diamond Wheel electric spark of the present invention and mechanical compound trimming device comprise that the first motor, the first worm-gear speed reducer, the second motor, the second worm-gear speed reducer, support, bearing, leading screw, fixed mount, grinding wheel spindle, the 3rd motor, insulation chock, belt wheel, driving-belt, first screw part, second and screw part, spring, carbon brush, high frequency pulse power supply and freeing wheel;
Axially being horizontally disposed with of the worm gear of the first worm-gear speed reducer, the first worm-gear speed reducer is arranged on support, the output of the first motor is connected with the screw rod of the first worm-gear speed reducer, the worm gear of the first worm-gear speed reducer is connected with bearing, axially vertically arranging of the worm gear of the second worm-gear speed reducer, the upper end of bearing is provided with the second worm-gear speed reducer, the output of the second motor is connected with the screw rod of the second worm-gear speed reducer, the worm gear of the second worm-gear speed reducer is connected with leading screw, leading screw is connected with fixed mount, fixed mount can move up and down, the 3rd motor and insulation chock are installed on fixed mount, axially vertically arranging of grinding wheel spindle, the upper end of grinding wheel spindle is provided with freeing wheel, the top of freeing wheel is provided with Arc Diamond Wheel, Arc Diamond Wheel axially and freeing wheel axial vertical, grinding wheel spindle is arranged on insulation chock by bearing block, second screws part is arranged on the bearing block of grinding wheel spindle, described second to screw part be the hollow part that screws, spring and carbon brush are arranged on second and screw in part, spring and second screws part and coaxially arranges, and spring, first screw part and second screw part axially and grinding wheel spindle axial vertical, first screw part be located in second screw in part and first screw part can be along the second axially reciprocating that screws part, first screws part is connected with one end of spring, carbon brush is connected with the other end of spring, the circumference contacts side surfaces of carbon brush and grinding wheel spindle, the 3rd motor is by driving-belt and belt wheel transmission, high frequency pulse power supply screws part with emery wheel and second respectively and is electrically connected to.
The invention has the beneficial effects as follows: the present invention can be combined in Arc Diamond Wheel electric spark shaving and machine finish on an equipment and use, the conversion of electric spark shaving and machine finish can be carried out, the processing of electric spark shaving of metal-base diamond grinding wheel and the processing of the machine finish of resin-based skive can be carried out.
The vertical range of freeing wheel of the present invention and Arc Diamond Wheel (with the radial distance of Arc Diamond Wheel) adjustment relies on the second motor and leading screw to carry out, within the amount of feeding can being limited to certain small distance (several to tens microns), compare with the method for the manual adjustment screw of existing diamond abrasive wheel dressing device, the precision of motor adjustment will exceed the several grades of manual adjustment, and the amount of feeding is even, carrying out feeding in real time along with finishing, greatly improve dressing efficiency, guaranteed dressing accuracy.
The present invention adopts worm and gear deceleration principle, can prevent the microvariations of the amount of feeding that motor parking small rotation afterwards brings by the locked effect of worm and gear, has guaranteed the dimensional accuracy of the rear emery wheel of finishing and the wheel face precision that finishing obtains.Worm type of reduction gearing of the present invention can prevent motor stop after the potential safety hazard that causes along lead screw guide rails tenesmus under the effect that there is no brake force of part on translation stage and restart after position adjustment, guaranteed precision and the security of device.
The present invention has that dressing efficiency is high, dressing accuracy is high, long service life, feature that cost is low, dressing efficiency is compared existing 5%-10% and has been improved 20%-30%, dressing accuracy has improved more than 10%, has improved 25%-30% service life, cost 20%-30%.The present invention is with a wide range of applications.
Accompanying drawing explanation
Fig. 1 is overall structure front view of the present invention, and Fig. 2 is the top view of Fig. 1, and Fig. 3 is that the B-B of Fig. 2 is to view.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1-Fig. 3, present embodiment is described, a kind of Arc Diamond Wheel electric spark of present embodiment and mechanical compound trimming device comprise that the first motor 6, the first worm-gear speed reducer 3, the second motor 7, the second worm-gear speed reducer 1, support 4, bearing 30, leading screw 31, fixed mount 5, grinding wheel spindle 20, the 3rd motor 9, insulation chock 25, belt wheel 17, driving-belt 24, first screw part 14, second and screw part 15, spring 32, carbon brush 33, high frequency pulse power supply 27 and freeing wheel 26;
Axially being horizontally disposed with of the worm gear of the first worm-gear speed reducer 3, the first worm-gear speed reducer 3 is arranged on support 4, the output of the first motor 6 is connected with the screw rod of the first worm-gear speed reducer 3, the worm gear of the first worm-gear speed reducer 3 is connected with bearing 30, axially vertically arranging of the worm gear of the second worm-gear speed reducer 1, the upper end of bearing 30 is provided with the second worm-gear speed reducer 1, the output of the second motor 7 is connected with the screw rod of the second worm-gear speed reducer 1, the worm gear of the second worm-gear speed reducer 1 is connected with leading screw 31, leading screw 31 is connected with fixed mount 5, fixed mount 5 can move up and down, the 3rd motor 9 and insulation chock 25 are installed on fixed mount 5, axially vertically arranging of grinding wheel spindle 20, the upper end of grinding wheel spindle 20 is provided with freeing wheel 26, the top of freeing wheel 26 is provided with Arc Diamond Wheel 28, Arc Diamond Wheel 28 axially and freeing wheel 26 axial vertical, grinding wheel spindle 20 is arranged on insulation chock 25 by bearing block, second screws part 15 is arranged on the bearing block of grinding wheel spindle 20, described second screws part 15 for the hollow part that screws, spring 32 and carbon brush 33 are arranged on second and screw in part 15, spring 32 and second screws part 15 and coaxially arranges, and spring 32, first screw part 14 and second screw part 15 axially and grinding wheel spindle 20 axial vertical, first screw part 14 be located in second screw in part 15 and first screw part 14 can be along the second axially reciprocating that screws part 15, first screws part 14 is connected with one end of spring 32, carbon brush 33 is connected with the other end of spring 32, the circumference contacts side surfaces of carbon brush 33 and grinding wheel spindle 20, the 3rd motor 9 is by driving-belt 24 and belt wheel 17 transmissions, high frequency pulse power supply 27 screws part 15 with emery wheel 28 and second respectively and is electrically connected to.
First of present embodiment screws part and second and screws part and preferably of bolt, make.The spring of present embodiment is preferably with helical spring or Rectangular Spring.
The insulation chock of present embodiment has good insulating properties, can when carrying out electric spark shaving, prevent that pulse current is connected with support, cause device integral body charged, insulation chock is made by insulating materials, one end is connected on emery wheel fixed mount, and the other end is fixed on the bearing block of grinding wheel spindle.
The specific embodiment two: in conjunction with Fig. 2, present embodiment is described, the first motor 6 is stepper motor described in present embodiment.So arrange, compare with the method for the manual adjustment screw of existing diamond abrasive wheel dressing device, the precision of stepper motor adjustment will exceed the several grades of manual adjustment, and the amount of feeding is even, carrying out feeding in real time along with finishing, has improved dressing efficiency greatly, has guaranteed dressing accuracy, dressing efficiency has improved 25%, and dressing accuracy has improved 12%.Other is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 2, present embodiment is described, the second motor 7 is stepper motor described in present embodiment.So arrange, the vertical range of freeing wheel and Arc Diamond Wheel (with the radial distance of Arc Diamond Wheel) adjustment relies on stepper motor and leading screw to carry out, within the amount of feeding can being limited to certain small distance (in several microns), greatly improved dressing accuracy, dressing accuracy has improved more than 15%.Other is identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 2, present embodiment is described, the 3rd motor 9 is alternating current generator described in present embodiment.So arrange, alternating current generator is compared with direct current generator, simple in structure, easily manufactured, uses firmly, easily makes high rotating speed, high voltage, large electric current, jumbo motor.Other is identical with the specific embodiment three.
The specific embodiment five: in conjunction with Fig. 2, present embodiment is described, the material of carbon brush 33 is electrographite, soaks fat graphite or metallic graphite carbon described in present embodiment.So setting, conduction when metal sand wheel shaft is rubbed, guarantees that grinding wheel spindle also conducts electricity and freeing wheel conducts electricity simultaneously, and frictional force is little, has good commutation ability, and long service life meets needs mechanical and the compound finishing of electric spark.Other is identical with the specific embodiment one, two or four.
The specific embodiment six: present embodiment is described in conjunction with Fig. 3, described in present embodiment, device also comprises the first external member 13 and the second external member 16, the first external member 13 is arranged on first and screws on part 14, the second external member 16 is arranged on second and screws on part 15, the first external member 13 is set in first and screws on part 14 and the two is threaded, and the second external member 16 is set in second and screws on part 15 and the two is threaded.So arrange, being convenient to fix first screws part and second and screws part, be convenient to simultaneously first screw part can be along the second axially reciprocating that screws part, be conducive to the adjustment (with the wear extent of grinding wheel spindle) of the amount of feeding of carbon brush, during electric spark shaving Arc Diamond Wheel, can remain that carbon brush contacts with grinding wheel spindle.Other is identical with the specific embodiment five.
The specific embodiment seven: in conjunction with Fig. 3, present embodiment is described, device also comprises overhead gage 11 and lower baffle plate 12 described in present embodiment, and freeing wheel 26 is arranged on grinding wheel spindle 20 by overhead gage 11 and lower baffle plate 12.Like this setting, freeing wheel connects firm stable, installs and uses and changes conveniently.Other is identical with the specific embodiment one, two, four or six.
The specific embodiment eight: in conjunction with Fig. 2, present embodiment is described, device also comprises connecting plate 8 described in present embodiment, and emery wheel fixed mount 5 is connected with connecting plate 8, and leading screw 31 is threaded with connecting plate.So arrange, use easy to connect reliable.Other is identical with the specific embodiment seven.
Operation principle
In conjunction with Fig. 1-Fig. 3 explanation, first, choose the freeing wheel that needs installation, need to adopt electric spark shaving, by first, screw part 14, second screws part 15 and switches on by high frequency pulse power supply 27 with skive 28, carbon brush 33 charged and with the friction of finishing wheel shaft 20, grinding wheel spindle 20 and freeing wheel 26 are charged, at this moment between freeing wheel 26 and skive 28, produce spark discharge, carry out the electric spark shaving processing of metal-base diamond grinding wheel, after installing freeing wheel 26, pass through the second motor 7, the second worm-gear speed reducer 1 and leading screw 31 carry out the adjustment of position, make within distance between freeing wheel 26 and Arc Diamond Wheel 28 remains on the distance that produces electric spark, if while adopting machine finish, freeing wheel 26 is mounted by means of bolts on to the end of grinding wheel spindle 20, drive the 3rd motor 9 rotations, drive freeing wheel 26 rotations, the rotation of the first motor 6, drives the worm gear rotation of the first worm-gear speed reducer 3, and then drive bearing 30 to rotate, and then the pivot angle of adjusting and control freeing wheel 26 is big or small, guarantee that freeing wheel 26 contacts all the time with Arc Diamond Wheel 28, to form arc track, carry out the arcuate surface finishing of resin-based skive.
Claims (8)
1. an Arc Diamond Wheel electric spark and mechanical compound trimming device, it is characterized in that: described device comprises the first motor (6), the first worm-gear speed reducer (3), the second motor (7), the second worm-gear speed reducer (1), support (4), bearing (30), leading screw (31), fixed mount (5), grinding wheel spindle (20), the 3rd motor (9), insulation chock (25), belt wheel (17), driving-belt (24), first screws part (14), second screws part (15), spring (32), carbon brush (33), high frequency pulse power supply (27) and freeing wheel (26),
Axially being horizontally disposed with of the worm gear of the first worm-gear speed reducer (3), the first worm-gear speed reducer (3) is arranged on support (4), the output of the first motor (6) is connected with the screw rod of the first worm-gear speed reducer (3), the worm gear of the first worm-gear speed reducer (3) is connected with bearing (30), axially vertically arranging of the worm gear of the second worm-gear speed reducer (1), the upper end of bearing (30) is provided with the second worm-gear speed reducer (1), the output of the second motor (7) is connected with the screw rod of the second worm-gear speed reducer (1), the worm gear of the second worm-gear speed reducer (1) is connected with leading screw (31), leading screw (31) is connected with fixed mount (5), fixed mount (5) can move up and down, the 3rd motor (9) and insulation chock (25) are installed on fixed mount (5), axially vertically arranging of grinding wheel spindle (20), the upper end of grinding wheel spindle (20) is provided with freeing wheel (26), the top of freeing wheel (26) is provided with Arc Diamond Wheel (28), Arc Diamond Wheel (28) axially and freeing wheel (26) axial vertical, grinding wheel spindle (20) is arranged on insulation chock (25) by bearing block, second screws part (15) is arranged on the bearing block of grinding wheel spindle (20), described second to screw part (15) be the hollow part that screws, spring (32) and carbon brush (33) are arranged on second and screw in part (15), spring (32) and second screws part (15) and coaxially arranges, and spring (32), first screw part (14) and second screw part (15) axially and grinding wheel spindle (20) axial vertical, first screw part (14) be located in second screw in part (15) and first screw part (14) can be along the second axially reciprocating that screws part (15), first screws part (14) is connected with one end of spring (32), carbon brush (33) is connected with the other end of spring (32), the circumference contacts side surfaces of carbon brush (33) and grinding wheel spindle (20), the 3rd motor (9) is by driving-belt (24) and belt wheel (17) transmission, high frequency pulse power supply (27) screws part (15) with Arc Diamond Wheel (28) and second respectively and is electrically connected to.
2. a kind of Arc Diamond Wheel electric spark according to claim 1 and mechanical compound trimming device, is characterized in that: described the first motor (6) is stepper motor.
3. a kind of Arc Diamond Wheel electric spark according to claim 1 and 2 and mechanical compound trimming device, is characterized in that: described the second motor (7) is stepper motor.
4. a kind of Arc Diamond Wheel electric spark according to claim 3 and mechanical compound trimming device, is characterized in that: described the 3rd motor (9) is alternating current generator.
5. according to a kind of Arc Diamond Wheel electric spark described in claim 1,2 or 4 and mechanical compound trimming device, it is characterized in that: the material of described carbon brush (33) is electrographite, soak fat graphite or metallic graphite carbon.
6. a kind of Arc Diamond Wheel machinery according to claim 5 and the compound trimming device of electric spark, it is characterized in that: described device also comprises the first external member (13) and the second external member (16), the first external member (13) is arranged on first and screws on part (14), the second external member (16) is arranged on second and screws on part (15), the first external member (13) be set in first screw part (14) upper and the two be threaded, the second external member (16) be set in second screw part (15) upper and the two be threaded.
7. according to a kind of Arc Diamond Wheel electric spark described in claim 1,2,4 or 6 and mechanical compound trimming device, it is characterized in that: described device also comprises overhead gage (11) and lower baffle plate (12), freeing wheel (26) is arranged on grinding wheel spindle (20) by overhead gage (11) and lower baffle plate (12).
8. a kind of Arc Diamond Wheel electric spark according to claim 7 and mechanical compound trimming device, it is characterized in that: described device also comprises connecting plate (8), fixed mount (5) is connected with connecting plate (8), and leading screw (31) is threaded with connecting plate (8).
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| CN201310532718.0A CN103522190B (en) | 2013-10-31 | 2013-10-31 | A kind of Arc Diamond Wheel electric spark and mechanical compound trimming device |
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| CN201310532718.0A CN103522190B (en) | 2013-10-31 | 2013-10-31 | A kind of Arc Diamond Wheel electric spark and mechanical compound trimming device |
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| CN103522190A true CN103522190A (en) | 2014-01-22 |
| CN103522190B CN103522190B (en) | 2016-03-30 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802026A (en) * | 2014-03-12 | 2014-05-21 | 哈尔滨工业大学 | In-place discharge precise dressing unit for formed metal-based diamond grinding wheel |
| CN104802089A (en) * | 2015-05-21 | 2015-07-29 | 哈尔滨工业大学 | Online arc-shaped abrasive wheel trimming device based on cup-shaped tool spherical surface envelope |
| CN104959685A (en) * | 2015-05-19 | 2015-10-07 | 深圳市鑫运祥精密刀具有限公司 | Grinding wheel spindle device and machining method for electrical discharge grinding |
| CN105108649A (en) * | 2015-08-24 | 2015-12-02 | 哈尔滨工业大学 | Non-contact type method for detecting arc profile and radius of metal-based arc grinding wheel on site and device for implementing method |
| CN107297691A (en) * | 2017-08-16 | 2017-10-27 | 中国工程物理研究院激光聚变研究中心 | The dressing method of the parallel skive compound cross-section profile of optical manufacturing |
| CN107598723A (en) * | 2017-09-13 | 2018-01-19 | 华南理工大学 | The micro- sophisticated abrasive particle electrothermal chemical retapering device of emery wheel and its On-Line Control Method |
| CN110549236A (en) * | 2019-10-17 | 2019-12-10 | 洛阳微力机械科技有限公司 | Axial high-frequency oscillation device for grinding end face of cylindrical roller and grinding process |
| EP3584035A1 (en) * | 2018-06-19 | 2019-12-25 | Hunan University | Universal automatic composite grinding wheel finisher |
| CN111267118A (en) * | 2020-03-02 | 2020-06-12 | 北京鼎新时代科技有限公司 | Finishing platform of online composite finishing robot |
| CN114714254A (en) * | 2022-04-08 | 2022-07-08 | 哈尔滨理工大学 | Superhard abrasive grinding wheel mechanical and laser composite dressing device and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802026A (en) * | 2014-03-12 | 2014-05-21 | 哈尔滨工业大学 | In-place discharge precise dressing unit for formed metal-based diamond grinding wheel |
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| CN104802089A (en) * | 2015-05-21 | 2015-07-29 | 哈尔滨工业大学 | Online arc-shaped abrasive wheel trimming device based on cup-shaped tool spherical surface envelope |
| CN104802089B (en) * | 2015-05-21 | 2017-04-12 | 哈尔滨工业大学 | Online arc-shaped abrasive wheel trimming device based on cup-shaped tool spherical surface envelope |
| CN105108649A (en) * | 2015-08-24 | 2015-12-02 | 哈尔滨工业大学 | Non-contact type method for detecting arc profile and radius of metal-based arc grinding wheel on site and device for implementing method |
| CN105108649B (en) * | 2015-08-24 | 2017-04-12 | 哈尔滨工业大学 | Non-contact type method for detecting arc profile and radius of metal-based arc grinding wheel on site and device for implementing method |
| CN107297691A (en) * | 2017-08-16 | 2017-10-27 | 中国工程物理研究院激光聚变研究中心 | The dressing method of the parallel skive compound cross-section profile of optical manufacturing |
| CN107297691B (en) * | 2017-08-16 | 2019-12-03 | 中国工程物理研究院激光聚变研究中心 | The dressing method of the parallel skive compound cross-section profile of optical manufacturing |
| CN107598723A (en) * | 2017-09-13 | 2018-01-19 | 华南理工大学 | The micro- sophisticated abrasive particle electrothermal chemical retapering device of emery wheel and its On-Line Control Method |
| CN107598723B (en) * | 2017-09-13 | 2023-12-26 | 华南理工大学 | Grinding wheel micro-tip abrasive grain electrothermal chemical sharpening device and online control method thereof |
| EP3584035A1 (en) * | 2018-06-19 | 2019-12-25 | Hunan University | Universal automatic composite grinding wheel finisher |
| CN110549236A (en) * | 2019-10-17 | 2019-12-10 | 洛阳微力机械科技有限公司 | Axial high-frequency oscillation device for grinding end face of cylindrical roller and grinding process |
| CN111267118A (en) * | 2020-03-02 | 2020-06-12 | 北京鼎新时代科技有限公司 | Finishing platform of online composite finishing robot |
| CN114714254A (en) * | 2022-04-08 | 2022-07-08 | 哈尔滨理工大学 | Superhard abrasive grinding wheel mechanical and laser composite dressing device and method thereof |
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| CN103522190B (en) | 2016-03-30 |
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