CN105081977B - A kind of super-abrasive grinding wheel rapidly and efficiently shaping methods - Google Patents

A kind of super-abrasive grinding wheel rapidly and efficiently shaping methods Download PDF

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Publication number
CN105081977B
CN105081977B CN201510403745.7A CN201510403745A CN105081977B CN 105081977 B CN105081977 B CN 105081977B CN 201510403745 A CN201510403745 A CN 201510403745A CN 105081977 B CN105081977 B CN 105081977B
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CN
China
Prior art keywords
wheel
trimmed
freeing
speed
super
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CN201510403745.7A
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Chinese (zh)
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CN105081977A (en
Inventor
冯克明
朱建辉
王庆伟
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郑州磨料磨具磨削研究所有限公司
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Priority to CN201510403745.7A priority Critical patent/CN105081977B/en
Publication of CN105081977A publication Critical patent/CN105081977A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/06Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
    • B24B53/062Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels using rotary dressing tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/12Dressing tools; Holders therefor

Abstract

The invention discloses a kind of super-abrasive grinding wheel rapidly and efficiently shaping methods, concretely comprise the following steps:Finishing wheel-drive is installed on grinding machine, makes grinding machine spindle and drive spindle perpendicular;Installed on grinding machine spindle and be trimmed emery wheel, freeing wheel is installed on driver, the axis for being trimmed emery wheel and freeing wheel is set in right-angled intersection, makes the two linear velocity direction perpendicular;Grinding machine spindle motor and driver motor are connected with its frequency converter respectively, and frequency converter is connected with PLC again;Also, the temporal scalable for being trimmed emery wheel and finishing wheel speed has periodically, and the two cycle phase is with, 180 ° of phase difference;When super-abrasive grinding wheel is ground shaping, be trimmed emery wheel at a high speed with freeing wheel low speed, be trimmed emery wheel low speed and freeing wheel high speed and be engaged.The single finishing tail of a comet of wheel face of the relatively conventional filing shaping of the present invention, the present invention can significantly improve super-abrasive grinding wheel shaping efficiency, reduce freeing wheel consumption, energy-conserving and environment-protective.

Description

A kind of super-abrasive grinding wheel rapidly and efficiently shaping methods

Technical field

The invention belongs to emery wheel manufacture and applied technical field, and in particular to a kind of rapidly and efficiently shaping of super-abrasive grinding wheel Method.

Background technology

Crushing is one of basic fundamental of grinding, wheel face is obtained preferable morpheme essence by finishing Degree, dimensional accuracy and grinding capacity.Super hard abrasive (diamond and CBN) emery wheel, due to high wearability, being modern adding One of main development direction of work technology, but the finishing of super-abrasive grinding wheel is extremely difficult, seriously governs super-abrasive grinding The application of wheel, the high-efficiency and precision green emphasis problem of the finishing as domestic and foreign scholars research of super-abrasive grinding wheel.It is generally superhard The finishing of abrasive grinding wheel includes two operations of shaping and dressing, and shaping is removal wheel face excess stock, is managed emery wheel The accuracy of form and position and dimensional accuracy thought;Dressing is then to remove the part bonding agent between wheel face abrasive particle, forms necessary appearance bits Space, makes abrasive particle protrude bonding agent surface, forms sharp sharpening, obtains preferable grinding capacity.

The shaping methods of super-abrasive grinding wheel are more, and conventional have turning method, filing, electric machining method, laser method etc., but Turning method is only adapted to hard brittle ceramic bindnig agent extra hard abradant sand wheel;Electric machining method is suitable only for conductive-type metallic bond and surpasses Hard abrasive grinding wheel;Laser method destructible superabrasive wheel textura epidermoidea.At present, filing shaping range of application is wider, there is outer Circle filing, flat surface grinding method etc., but traditional filing shaping process is outmoded, and freeing wheel wastes big, and shaping efficiency is low, unfavorable section Can environmental protection.

The content of the invention

The technical problem to be solved in the present invention is that current super-abrasive grinding wheel filing shaping efficiency is low, freeing wheel consumption Hurry up, to solve the above problems, the present invention provides a kind of super-abrasive grinding wheel rapidly and efficiently shaping methods, can not only increase substantially Super-abrasive grinding wheel shaping efficiency, and a large amount of declines of freeing wheel consumption, are conducive to energy-conserving and environment-protective.

The purpose of the present invention is realized in the following manner:

A kind of super-abrasive grinding wheel rapidly and efficiently shaping methods, concretely comprise the following steps:Finishing wheel drive is installed on grinding machine Device, makes grinding machine spindle and drive spindle perpendicular;Installed on grinding machine spindle and be trimmed emery wheel, finishing is installed on driver Wheel, the axis for being trimmed emery wheel and freeing wheel is set in right-angled intersection, makes the two linear velocity direction perpendicular;Grinding machine spindle motor It is connected with its frequency converter respectively with driver motor, frequency converter is connected with PLC again;Also, it is trimmed emery wheel and finishing wheel speed Temporal scalable have periodically, and the two cycle phase is with, 180 ° of phase difference;When super-abrasive grinding wheel is ground shaping, repaiied Whole emery wheel at a high speed with freeing wheel low speed, be trimmed emery wheel low speed and be engaged with freeing wheel high speed.

Non-contact displacement sensor is installed being trimmed in wheel face vertical direction, make sensor test light path perpendicular to Wheel face, non-contact displacement sensor is connected with PLC, when the emery wheel circularity of non-contact displacement sensor detection is less than or equal to During 0.02mm, PLC controls two frequency converters to stop output, makes to be trimmed emery wheel and freeing wheel stops the rotation, and finishing terminates.

The control signal of the frequency converter is sine wave, square wave or square-wave cycle signal.

It is described to be trimmed emery wheel and the rotating speed of freeing wheel is 10-10000rpm.

When being trimmed emery wheel and being engaged with freeing wheel low speed at a high speed, be trimmed the Zhuan Su of the rotating speed/freeing wheel of emery wheel≤ 2;When being trimmed emery wheel low speed and freeing wheel and being engaged at a high speed, Zhuan Su≤2 of the rotating speed of freeing wheel/be trimmed emery wheel.

According to super-abrasive grinding wheel filing correcting mechanism, during crushing, when be trimmed emery wheel at a high speed, finishing When wheel slowly runs, it is trimmed wheel face abrasive particle part bonding agent vertically and is more easy to removal, tends to wheel face lines It is circumferential(The circumferential tail of a comet);When emery wheel low speed, freeing wheel high-speed rotation is trimmed, wheel face abrasive particle portion circumferentially is trimmed Divide bonding agent to be more easy to removal, wheel face lines is tended to axially(The axial tail of a comet).Such right-angled intersection is to mill, height, low height Speed difference alienation coordinates, continuous circulation continuous method for trimming, makes bonding agent quilt around the abrasive particle of super-abrasive grinding wheel surface protrusion Quick removal, causes Grain Falling Off, so as to realize the rapidly and efficiently shaping of super-abrasive grinding wheel surface.

Further, the non-contact displacement sensor of wheel face right angle setting one is being trimmed, with real-time detection wheel face Pattern, PLC enables super-abrasive grinding wheel surface adaptively to go under the feedback of non-contact displacement sensor and programme-control Remove, crushing work is stopped when feedback signal meets certain condition.

Cross of the present invention can save a large amount of to grinding speed difference alienation super-abrasive grinding wheel method for trimming not only efficiency high Freeing wheel, energy-conserving and environment-protective.

The beneficial effects of the present invention are:Design is clear, simple system, convenient and practical.The present invention provides a kind of superhard abrasive Material wheel face cross is single to grinding speed difference alienation rapidly and efficiently shaping methods, the wheel face of relatively conventional filing shaping The finishing tail of a comet, the present invention can significantly improve super-abrasive grinding wheel shaping efficiency, reduce freeing wheel consumption, energy-conserving and environment-protective.

Brief description of the drawings

Fig. 1 is the cylindrical rapidly and efficiently shaping methods schematic diagram of super-abrasive grinding wheel.

Fig. 2 is to be trimmed wheel face finishing lines when emery wheel high speed, freeing wheel low speed coordinate.

Fig. 3 is the schematic diagram that the wheel face being trimmed when emery wheel high speed, freeing wheel low speed coordinate repairs lines.

Fig. 4 is to be trimmed wheel face finishing lines when emery wheel low speed, freeing wheel coordinate at a high speed.

Fig. 5 is the schematic diagram that the wheel face being trimmed when emery wheel low speed, freeing wheel coordinate at a high speed repairs lines.

Wherein, 1 is to be trimmed emery wheel;2 is freeing wheel;3 is non-contact displacement sensor;4 is abrasive particle;5 is the circumferential tail of a comet; 6 is the axial tail of a comet.

Specific embodiment

As shown in accompanying drawing 1-5, a kind of super-abrasive grinding wheel rapidly and efficiently shaping methods are concretely comprised the following steps:Pacify on grinding machine Finishing wheel-drive is installed, makes grinding machine spindle and drive spindle perpendicular;Installed on grinding machine spindle and be trimmed emery wheel 1, driven Freeing wheel 2 is installed on dynamic device, the axis for being trimmed emery wheel and freeing wheel is set in right-angled intersection, makes the two linear velocity direction phase Vertically;Grinding machine spindle motor and driver motor are connected with its frequency converter respectively, and frequency converter is connected with PLC again;Also, it is trimmed The temporal scalable of emery wheel and finishing wheel speed has periodically, and the two cycle phase is with, 180 ° of phase difference;In super-abrasive grinding wheel During grinding shaping, the high speed of emery wheel 1 and the low speed of freeing wheel 2 are trimmed, are trimmed the low speed of emery wheel 1 and are engaged with the high speed of freeing wheel 2.

Installation non-contact displacement sensor 3 in wheel face vertical direction is being trimmed, is making sensor test light path vertical In wheel face, non-contact displacement sensor 3 is connected with PLC, when non-contact displacement sensor 3 detection emery wheel circularity be less than or During equal to 0.02mm, PLC controls two frequency converters to stop output, makes to be trimmed emery wheel 1 and freeing wheel 2 stops the rotation, finishing knot Beam.

The control signal of the frequency converter is sine wave, square wave or square-wave cycle signal.

It is described to be trimmed emery wheel 1 and the rotating speed of freeing wheel 2 is 10-10000rpm.

When being trimmed the high speed of emery wheel 1 and being engaged with the low speed of freeing wheel 2, the rotating speed of the rotating speed/freeing wheel of emery wheel is trimmed ≧2;When being trimmed the low speed of emery wheel 1 and being engaged with the high speed of freeing wheel 2, Zhuan Su≤2 of the rotating speed of freeing wheel/be trimmed emery wheel.

Vertical finishing wheel-drive is installed on cylindrical Grinder bench, grinding machine spindle is mutually hung down with drive spindle Directly;A non-contact displacement sensor 3 is installed being trimmed on protective hood of grinding wheel, makes sensor test light path perpendicular to emery wheel table Face;Installed on cylindrical grinder main shaft and be trimmed skive 1, carborundum freeing wheel 2 is installed on driver, make to be trimmed Skive 1 and carborundum freeing wheel 2 are perpendicular in contact zone linear velocity direction;Grinding machine spindle motor and driver motor point It is not connected with its frequency converter, frequency converter, non-contact displacement sensor 3 are connected with PLC again.

Adjustment frequency converter, makes the temporal scalable for being trimmed emery wheel 1 and the rotating speed of freeing wheel 2 be square-wave signal;And the two cycle Identical, 180 ° of phase difference;When emery wheel 2840rpm high speeds are trimmed, freeing wheel 180rpm low speed;It is trimmed emery wheel low speed During 300rpm, freeing wheel 2850rpm is at a high speed.

Start cylindrical grinder and driver, make to be trimmed emery wheel 1 and freeing wheel 2 rotates, crushing technique is using longitudinal direction Reciprocating trim process, Grinder bench drives finishing driver to make the longitudinally reciprocal movements of 150mm/min, is changed every time in workbench To when be trimmed the radial feed 0.02mm of emery wheel 1.

When be trimmed emery wheel 1 at a high speed, freeing wheel 2 slowly run when, be trimmed the outer round surface abrasive particle 4 of emery wheel 1 vertically Part bonding agent is removed, and wheel face lines is tended to circumferential(The circumferential tail of a comet 5), such as Fig. 2;When being trimmed the low speed of emery wheel 1, repair During 2 high-speed rotation of whole wheel, it is removed by the part bonding agent circumferentially of grinding wheel cylindrical Abrasive Grain 4, wheel face lines is become In axial direction(The axial tail of a comet 6), such as Fig. 3.Such right-angled intersection coordinates mill, height, low high speed differentiation, continuous circulation continuous Method for trimming, is quickly removed bonding agent around the abrasive particle of the cylindrical protrusion of super-abrasive grinding wheel, Grain Falling Off.Further, when When the emery wheel circularity of the detection of non-contact displacement sensor 3 reaches 0.01mm, PLC control dual frequency converters stop output, make to be trimmed Emery wheel 1 and freeing wheel 2 stop the rotation, and finishing terminates.

The present invention proposes that will be trimmed the axis of emery wheel 1 and the axis of freeing wheel 2 is set in right-angled intersection, and by PLC and change The speed difference alienation programme-control of frequency device, realizes the rapidly and efficiently filing shaping of super-abrasive grinding wheel periphery.The present invention Clear thinking, simple structure, practicality is good, for super-abrasive grinding wheel periphery shaping not only efficiency high, and can save big Amount freeing wheel.

The beneficial effects of the present invention are:Design is clear, simple system, convenient and practical.The present invention provides a kind of superhard abrasive Material wheel face cross is single to grinding speed difference alienation rapidly and efficiently shaping methods, the wheel face of relatively conventional filing shaping The finishing tail of a comet, the present invention can significantly improve super-abrasive grinding wheel shaping efficiency, reduce freeing wheel consumption, energy-conserving and environment-protective.

Above-described is only the preferred embodiment of the present invention, it is noted that for a person skilled in the art, Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as of the invention Protection domain.

Claims (4)

1. a kind of super-abrasive grinding wheel rapidly and efficiently shaping methods, it is characterised in that:Concretely comprise the following steps:Installed on grinding machine and repaiied Whole wheel-drive, makes grinding machine spindle and drive spindle perpendicular;Installed on grinding machine spindle and be trimmed emery wheel(1), driver On install freeing wheel(2), the axis of emery wheel and freeing wheel is trimmed in right-angled intersection setting, the two linear velocity direction is mutually hung down Directly;Grinding machine spindle motor and driver motor are connected with its frequency converter respectively, and frequency converter is connected with PLC again;Also, it is trimmed sand Wheel(1)And freeing wheel(2)The temporal scalable of rotating speed has periodically, and the two cycle phase is with, 180 ° of phase difference;In super hard abrasive During wheel grinding shaping, emery wheel is trimmed(1)High speed and freeing wheel(2)Low speed, it is trimmed emery wheel(1)Low speed and freeing wheel(2) It is engaged at a high speed;
When being trimmed emery wheel(1)High speed and freeing wheel(2)When low speed is engaged, emery wheel is trimmed(1)Rotating speed/freeing wheel(2) Zhuan Su≤2;When being trimmed emery wheel(1)Low speed and freeing wheel(2)When being engaged at a high speed, freeing wheel(2)Rotating speed/be trimmed sand Wheel(1)Zhuan Su≤2.
2. super-abrasive grinding wheel according to claim 1 rapidly and efficiently shaping methods, it is characterised in that:It is being trimmed emery wheel Non-contact displacement sensor is installed in the vertical direction of surface(3), make sensor test light path perpendicular to wheel face, noncontact digit Displacement sensor(3)It is connected with PLC, works as non-contact displacement sensor(3)When the emery wheel circularity of detection is less than or equal to 0.02mm, PLC controls two frequency converters to stop output, makes to be trimmed emery wheel(1)And freeing wheel(2)Stop the rotation, finishing terminates.
3. super-abrasive grinding wheel according to claim 1 rapidly and efficiently shaping methods, it is characterised in that:The frequency converter Control signal is sine wave, square wave or square-wave cycle signal.
4. super-abrasive grinding wheel according to claim 1 rapidly and efficiently shaping methods, it is characterised in that:It is described to be trimmed sand Wheel(1)And freeing wheel(2)Rotating speed be 10-10000rpm.
CN201510403745.7A 2015-07-10 2015-07-10 A kind of super-abrasive grinding wheel rapidly and efficiently shaping methods CN105081977B (en)

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CN105458930B (en) * 2015-12-28 2017-08-25 华南理工大学 Neat method is repaiied in a kind of sophisticated equating of micro- grit protrusion of brait emery wheel
CN106272078A (en) * 2016-08-02 2017-01-04 西门子工厂自动化工程有限公司 Grinding wheel chamfering method, grinding wheel chamfering device
CN106637359B (en) * 2016-10-11 2018-12-04 郑州磨料磨具磨削研究所有限公司 The manufacturing method of hub type plating ultrathin diamond cutting grinding wheel
CN106903562B (en) * 2017-03-07 2019-01-01 郑州磨料磨具磨削研究所有限公司 A kind of hub type saw blade cylindricalo grinding method and device
CN109366360A (en) * 2018-10-10 2019-02-22 上海交通大学 A kind of contour grinding grinding wheel finishing machine in place

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DE4412010C2 (en) * 1993-04-07 1997-11-20 Nec Corp Spherical high-gloss grinding device
JP2001246539A (en) * 2000-03-03 2001-09-11 Inst Of Physical & Chemical Res Grinding work method for non-axisymmetric aspherical mirror
CN1590027A (en) * 2003-09-02 2005-03-09 张森德 Diamond abrasion wheel reconditioner grinding method
CN101695774A (en) * 2009-10-21 2010-04-21 西安贝吉姆机床股份有限公司 Grinding wheel dressing mechanism of gear form grinding machine
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