CN203831257U - Equipment dressing compact super-hard binding agent grinding wheel through fiber laser - Google Patents
Equipment dressing compact super-hard binding agent grinding wheel through fiber laser Download PDFInfo
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- CN203831257U CN203831257U CN201420063296.7U CN201420063296U CN203831257U CN 203831257 U CN203831257 U CN 203831257U CN 201420063296 U CN201420063296 U CN 201420063296U CN 203831257 U CN203831257 U CN 203831257U
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Abstract
The utility model relates to equipment dressing a compact super-hard binding agent grinding wheel through fiber laser. The equipment comprises a fiber laser device (1), a single-mode fiber (2), a laser ablation head (3), a two-dimensional numerical control electric platform (4), a computer (5) and a laser device control panel (13). The equipment is characterized in that the fiber laser device (1) is arranged on an experiment platform, and laser beams output by the fiber laser device (1) are transmitted through the single-mode fiber (2) and coupled to the laser ablation head (3) with a standard isolator and then act on the surface of the grinding wheel after being focused by a focusing lens (16) with the focal distance being 100-180 mm. The equipment dressing the compact super-hard binding agent grinding wheel through the fiber laser solves the problem that efficient and precision dressing of the compact super-hard binding agent grinding wheel is difficult to achieve through a traditional dressing method, and has the remarkable advantages of being small in size, convenient to carry, high in applicability and high in flexibility and achieving real-time control.
Description
Field, field
The utility model relates to a kind of laser dressing emery wheel equipment, relates in particular to a kind of equipment of optical-fiber laser dressing compact-type binding agent ultra hard emery wheel.
Background technology
Compact-type binding agent ultra hard emery wheel is that to take diamond, cubic boron nitride particle etc. be abrasive material, and metal, resin etc. is bonding agent, and the take grinding, polishing, attrition process that adopt that high temperature sintering or electro-plating method manufacture form are main emery wheel.Its bond strength is high, good moldability, wearability and thermal conductivity are good, high temperature resistant, long service life, and can bear larger load, because it has good grinding performance, become the effective tool of contour firmly crisp, the high hardness material of Pattern In Grinding Cemented Carbide, pottery, glass, jewel, agate, concrete, hardened steel, chilled cast iron.But it belongs to dense sintering or electrodeposition-type emery wheel, this kind of emery wheel is because appearance bits, chip removal space are little, and work the pore that holds bits and cooling effect while lacking grinding, add the plasticity of metal, its self-sharpening is poor, grinding efficiency is low, easily stops up heating, and " sticky bits " phenomenon occurs, need frequent shaping and dressing, and finishing is very difficult.The crushing of compact-type binding agent ultra hard generally includes shaping and dressing two procedures.Laser shaping refers to wheel face is carried out to micro cutting, makes emery wheel reach desired geometrical precision, and makes the most advanced and sophisticated trickle fragmentation of abrasive particle, forms sharp sharpening.Laser dressing refers to the bonding agent of removing between abrasive particle, forms certain chip space, and sharpening is protruded from outside bonding agent surface between abrasive particle, forms the micro-sword of cutting.It is to obtain higher plastic precision and good wheel face topography and geomorphology that emery wheel is repaired to key, higher plastic precision can guarantee that the surface quality of grinding workpiece and dimensional accuracy meet the requirements, good wheel face topography and geomorphology can guarantee that bonding agent has strong hold to abrasive particle, during grinding, have sufficient chip space, be convenient to the inflow of grinding fluid, prevent workpiece paste plug, burn.There is the difficult problems such as finishing overlong time, finishing difficulty is large, dressing efficiency is extremely low in compact-type binding agent ultra hard crushing at present, the utility model has very high adaptability.
The conventional dressing method of compact-type binding agent ultra hard emery wheel mainly contains at present: the online dressing method of electrolysis (ELID), online spark discharge dressing method, soft elasticity dressing method, free abrasive dressing method, expulsion pressure dressing method, magnetic grind erosion dressing method, ultrasonic vibration dressing method etc.Adopt above dressing method to have following limitation:
(1) efficiency is not high.
(2) narrow range adapting to.For example, electrolysis and electric spark method only can be for the emery wheels of metallic bond, and can not be for the emery wheel of resinoid bond.
(3) loss of dressing tool is large, and the form error of dressing tool is easily rerun a movie on workpiece and gone, emery wheel
(4) equipment is huge, is inconvenient to carry, and adapts to enterprise's production environment ability.
(5) not too friendly to environment.For example, grinding fluid and electrolyte are unfavorable to equipment and environment.
(6) electricity conversion aspect, YAG solid state laser is 3% left and right only, CO
2laser instrument photoelectricity transformation efficiency only has 10% left and right, and the optoelectronic transformation efficiency of optical-fiber laser is more than 25%; Advantage at aspect optical-fiber lasers such as electric power consumption, matched cooling system, maintenance costs is quite obvious.
The method of some crushings is also disclosed in prior art, for example disclosed on November 5th, 2003, publication number is " CN1453103A ", the utility model patent that utility model name is called " the online method for trimming of form grinding emery wheel " discloses the online method for trimming of a kind of form grinding emery wheel, it has solved, and method for trimming was long invalid process time in the past, the problem that grinding accuracy is too low, but still there is following problem in this technical scheme: and this device can only be applicable to Gear Processing, spline machining.Disclosed on January 12nd, 2005, publication number is " CN1562566A ", the utility model patent that utility model name is called " metal bonded wheel On-line electrolytic dissolution grinding dressing method and device thereof " discloses a kind of metal bonded wheel On-line electrolytic dissolution grinding dressing method and device thereof, it has solved the even online precise dressing of nano level superfine granularity emery wheel of submicron order, but this technical scheme still exists following problem: for the larger thick correction of the flank shape of bias, correction of the flank shape efficiency is lower, bulky, cost is higher.Disclosed on March 2nd, 2005, publication number is " CN1586816A ", utility model name is called " device and method of continuous laser sharpening resin binder grinding wheel " utility model patent and discloses a kind of device and method of continuous laser sharpening resin binder grinding wheel, it provides a kind of laser reconditioning device of sharpening resin binder grinding wheel, but this technical scheme still exists following problem: adopt CO
2laser instrument, electricity conversion is low, and electric power consumption does height, volume is large, carries inconvenience, with belt pulley, controls emery wheel feeding, and its dressing accuracy is low, adopts continuous laser, and controllability is very poor.Disclosed on May 12nd, 2010, publication number is " CN201455807U ", the utility model patent that utility model name is called " laser finishing device for grinding wheel " discloses a kind of laser finishing device for grinding wheel, it provides a kind of laser finishing device that can effectively improve dressing accuracy and can repair super-abrasive grinding wheel, but still there is following problem in this technical scheme: for trimming device but not dressing equipment, dressing process adopts program control, can not realize the real-time control to crushing, the finishing time is relatively long.Disclosed on 05 30th, 2012, application number is " CN202240906U ", the utility model patent that utility model name is called " the online trimming device of edm forming emery wheel " discloses a kind of forming grinding wheel dressing device, it is larger that it has solved the online trimming device volume of existing forming grinding wheel, be not suitable in some ultra-precision machine tool grinding systems forming grinding wheel to carry out the problem of online finishing, but still there is following problem in this technical scheme: this device dressing efficiency is low, can not realize real-time control.Disclosed on November 14th, 2012, publication number is " CN102773803A ", the utility model patent that utility model name is called " large abrasive particle skive precise dressing method " discloses a kind of precise dressing method of large abrasive particle skive, and it is by using Cr
12bloom and cup-shaped diamond roller are repaired electroplating abrasion wheel, solved the problem that efficiency is low, cost is high that existing traditional Precision Machining hard brittle material exists, but still there is following problem in this technical scheme: dressing tool loss is serious, mechanical damage is easily caused on abrasive particle surface, simultaneously the form error of dressing tool is easily rerun a movie to be trimmed on the working surface of concave curved surface emery wheel and is gone, and this device can only be applicable to large abrasive particle diamond grinding wheel dressing.
In existing document, a left side is honest surely waits people at the CO of skive
2pulse laser dressing research (the 35th the 2nd phase of volume of < < mechanical engineering > >, in April, 1999), studied by experiment the isoparametric impact of laser pulse frequency and dutycycle.The people such as Li Ying are in research (the 31st the 3rd phase of volume of < < aviation Precision Manufacturing Technology > > of laser dressing resinoid bond CBN emery wheel, December nineteen ninety-five), adopt Nd:YAG100W laser instrument, verified that Laser Dressing Process of Resinoid Bonded Wheel is feasible.The people such as Li Xiaotian are in experimental study (the 35th the 6th phase of volume of < < aviation Precision Manufacturing Technology > > of Laser Dressing Process of Resinoid Bonded Wheel, in December, 1999), using pulsed YAG laser to carry out dressing experimental study to resin bond wheel, there is a suitable dressing parameter area in Laser Dressing Process of Resinoid Bonded Wheel.The people such as Kang Renkuan are in laser dressing technical research (the 11st the 5th phase of volume of < < China Mechanical Engineering > > of super-abrasive grinding wheel, in May, 2000), utilize Nd:YAG solid pulse laser to carry out the test of laser dressing bronze binding agent and resinoid bond super-abrasive grinding wheel, the dressing loss of super hard abrasive is few, dressing efficiency is high, easily realizing automation, is a kind of up-and-coming emery wheel dressing technology.The people such as Chen Ming application in emery wheel dressing in laser technology (< < manufacturing technology and lathe > >, in September, 2000), adopt, with YAG laser, emery wheel is carried out to dressing by experiment, the variation characteristics such as emery wheel dressing front and back abrasive particle projecting height and Effective grains' number have been investigated, the different dressing effect relatively obtaining under different laser dressing parameters, proved that the dressing that laser technology is applied to resin bond wheel is feasible, the optimization of having pointed out laser dressing technological parameter is the assurance that obtains good dressing effect.The people such as Chen Genyu are in acousto-optic Q modulation YAG pulse laser dressing and shaping bronze skive (the 41st the 4th phase of volume of < < mechanical engineering journal > >, in April, 2005), adopt acousto-optic Q modulation yttrium-aluminium-garnet pulse laser radial spoke to shine, dressing and shaping bronze skive, by setting up thermal conduction study Mathematical Modeling and numerical computations and single laser pulse ablation test, dressing and shaping mechanism have been analyzed, laser parameter and the technological parameter of rational dressing and shaping have been found, obtain good finishing effect.The people such as Wang Xuyue are in bronze binding agent Laser Dressing Diamond Grinding Wheel experimental study (the 47th the 6th phase of volume of < < Journal of Dalian University of Technology Total > >, in November, 2007), with YAG pulse laser, bronze binding agent skive is carried out to dressing experimental study, for improving laser dressing effect, the auxiliary method of blowing of intersecting is proposed, experimental study laser power density and the impact of defocusing amount on bonding agent removal effect.The people such as Chen Genyu are in pulsed optical fibre laser dressing bronze skive (the 40th the 7th phase of volume of < < Chinese laser > >, in July, 2013), adopt Ultra-short Fiber Laser, the dressing of skive has been carried out to system research.Theory analysis the mechanism of pulse laser dressing bronze skive, experimental study the situation of multi-pulse laser ablation bronze wheel, summed up the affect rule of laser parameter on ablation effect.
Although above-mentioned experimental technique theoretical research has all obtained certain achievement, also there is a big difference with practical application, all do not develop a kind of efficient, precision, little, easy to carry, the real-time control of volume, dressing equipment that flexibility is high.
Utility model content
The purpose of this utility model is to provide a kind of efficient, precision, little, easy to carry, the real-time control of volume, flexible high compact-type binding agent ultra hard emery wheel optical-fiber laser dressing equipment, is difficult to realize that compact-type binding agent ultra hard emery wheel is efficient, a difficult problem for precision, dressing easy to carry to solve traditional dressing method.
The technical solution of the utility model is to provide a kind of equipment that utilizes optical-fiber laser dressing compact-type binding agent ultra hard emery wheel, this equipment comprises optical fiber laser, single-mode fiber, laser ablation head, two dimension NC auto electric platforms, computer, it is characterized in that: optical fiber laser is placed on experiment porch; Laser ablation head is arranged on two dimension NC auto electric platforms by ablation head gripper, side spray valve is arranged on ablation head gripper, compact-type binding agent ultra hard emery wheel is arranged on surface grinding machine, laser control plate is connected with optical fiber laser by data wire, and two dimension NC auto electric platforms is connected with computer by data wire.
The beneficial effects of the utility model are:
(1) pulse optical fiber that the utility model employing beam mode is good, photoelectric transformation efficiency is high, volume is little, air-cooled, single pulse energy is high, spot diameter is less is as dressing " cutter ", can effectively improve the topography and geomorphology of dressing, easy to carry, adapt to corporate environment very capable, compare other special dressing methods (grinding erosion dressing method, ultrasonic vibration dressing method etc. such as: the online dressing method of electrolysis (ELID), online spark discharge dressing method, expulsion pressure dressing method, magnetic), the method that this equipment adopts is without pollutions such as electrolyte, noises.
(2) the utility model solves the difficult problem that traditional dressing method is difficult to realize compact-type binding agent ultra hard emery wheel high efficiency, accurate dressing.
(3) the utility model can be fast, efficient dressing, the dressing cycle foreshortens to about 10min, dressing efficiency is high;
(4) the utility model strong adaptability, both can dressing non-conductive, soft resinoid bond hard grinding wheel, also can dressing metallic bond hard grinding wheel conduction, that hardness is high;
(5) the utility model volume is little, easy to carry, and it is high a lot of that optical-fiber laser is compared conventional laser electro-optical efficiency; Adopting air-cooledly, without huge cooling-water machine, is a kind of flexible dressing method;
(6) the utility model is easy to operate, can realize the automatic control of dressing, control in real time.
Accompanying drawing explanation
Fig. 1 is optical-fiber laser dressing compact-type binding agent ultra hard emery wheel equipment schematic;
Fig. 2 is an ablation installation diagram;
Fig. 3 is two dimension NC auto electric platforms figure;
Fig. 4 is that laser beam axis is to motion diagram;
Fig. 5 is laser instrument external control plate control flow chart;
Wherein: 1-optical fiber laser, 2-optical fiber, 3-laser ablation head, 4-numerical control device, 5-computer, 6-side spray valve, 7-laser beam, 8-bronze binding agent, 9-diamond particles, 10-rotates in a circumferential direction, 11-compact-type binding agent ultra hard emery wheel, 12-melting sputter thing, 13-laser control plate, 14-laser head, 15-ablation head main body, 16-condenser lens, 17-condenser lens pressure ring, 18-protects eyeglass, 19-protection eyeglass pressure ring, the coaxial valve of 20-, the coaxial injection well of 21-, 22-air inlet screwed hole, 23-retaining thread hole, 24-precision rotation platform, 25-ablation head gripper, 26-rack support rod, 27-support stick gear fixture, 28-motorized precision translation stage
The specific embodiment
Below with reference to accompanying drawing 1-5, the specific embodiment of the present utility model is elaborated.
As shown in Figure 1, the optical-fiber laser dressing compact-type binding agent ultra hard emery wheel equipment that utilizes of the present utility model is comprised of following components: optical fiber laser 1, surface grinding machine, laser ablation head 3, two dimension NC auto electric platforms 4, computer 5, laser control plate 13 and annex.Optical fiber laser 1 is placed on experiment porch, the single-mode fiber 2 of the laser beam band protective metal shell of optical fiber laser 1 output conducts, is coupled to the laser ablation head 3 with standard isolator, after the condenser lens 16 that laser beam is 100～180mm through focal length focuses on, acts on wheel face.Laser ablation head 3 is arranged on two dimension NC auto electric platforms 4 by ablation head gripper 25, side spray valve 6 is arranged on ablation head gripper 25, compact-type binding agent ultra hard emery wheel 11 is arranged on surface grinding machine, laser control plate 13 is connected with optical fiber laser 1 by data wire, two dimension NC auto electric platforms 4 is connected with computer 5 by data wire, and the computer 5 that accurately moves through of two dimension NC auto electric platforms 4 is controlled.
It is high (up to 30%, and CO that optical fiber laser has good beam quality, electrical-optical conversion efficiency
2laser only has 10%, YAG laser to be low to moderate 4%), operation and maintenance cost is low, volume is little (with power, only has CO
2laser and YAG laser 1/10th), the advantage such as lightweight, air-cooled.Optical fiber laser is compact pulse Yb-doping optical fiber laser, its average output power P is 5～48W, pulse recurrence frequency f is 50～150kHz, pulse duration τ is 210ns, wavelength X is 1064nm, and output energy approximation Gaussian distribution, laser beam conduct, are coupled to the laser ablation head with standard isolator by single-mode fiber.In the utility model, compact-type binding agent ultra hard emery wheel comprises resinoid bond and metal bindnig agent extra hard abradant sand wheel at present.
According to selected eyeglass and optical fiber laser, carry laser head physical dimension autonomous Design laser ablation head 3, concrete assembly relation and form parts as shown in Figure 2.Laser ablation head 3 comprises laser head 14, ablation head main body 15, condenser lens 16, condenser lens pressure ring 17, protection eyeglass 18, protection eyeglass pressure ring 19, coaxial valve 20, coaxial injection well 21 and air inlet screwed hole 22, wherein, laser head 14 is matched in clearance with ablation head main body 15, hold-down screw links together laser head 14 and ablation head main body 15 by retaining thread hole 23, condenser lens 16 is placed on the boss of ablation head main body 15 inside, condenser lens pressure ring 17 is placed on condenser lens 16, protection eyeglass 18 is placed on condenser lens pressure ring 17, by protecting eyeglass pressure ring 19 by condenser lens 16, condenser lens pressure ring 17 and protection eyeglass 18 are fixing, by screw thread, coaxial valve 20 is installed, coaxial valve 20 is realized coaxial blowing function in laser ablation process by air inlet screwed hole 22 and coaxial injection well 21.
Only need to unscrew four hold-down screws that are uniformly distributed circumferentially shown in retaining thread hole 23 in figure just can conveniently unload the coaxial valve 20 of ablation head.In order to be convenient for changing eyeglass or to clean eyeglass; first unload the coaxial valve 20 of lower front end; screw off again protection eyeglass pressure ring 19; just can pull down condenser lens 16 and protection eyeglass 18; coaxial valve 20 is realized coaxial blowing function; gas enters from air inlet screwed hole 22, from coaxial injection well 21, blows out and acts on wheel face.
Fig. 3 is two dimension NC auto electric platforms figure, the motorized precision translation stage of two same models is cross and arranges, the stroke of this motorized precision translation stage is 150mm, resolution ratio is 0.00125mm, maximum speed is 20mm/s, repetitive positioning accuracy <0.005mm, is respectively used to radially focus and axial feed.Laser ablation head 3 is arranged on motorized precision translation stage by ablation head gripper 25, thereby can on rack support rod 26, move and adjust ablation grease head highness with tooth engagement by manual support rod gear fixture 27, platform lower end is two motorized precision translation stages 28, motorized precision translation stage is wherein for focusing automatically, and motorized precision translation stage is above for axial feed.Add man-hour by regulating the radial motion of two dimension NC auto electric platforms, make laser beam foucing position just be positioned at wheel face.
Fig. 4 is that laser beam axis is to motion diagram, A point is taken up an official post and is anticipated a bit for compact-type binding agent ultra hard emery wheel one end face, B point on along grinding wheel spindle to other end with the corresponding point of A point, laser beam moves to B point from A point, cover the whole width of emery wheel, along with the rotation of emery wheel, according to setting feeding number of times, laser beam, in A, 2 reciprocating motions of B, carries out dressing to whole emery wheel.
Optical fiber laser is furnished with a high-speed figure control interface, can be directly and scan control link and connect, without any peripheral driver or extra interface board, just can be integrated in user's system.Dissimilar master oscillator can be assembled in laser instrument inside, can guarantee to work within the scope of pitch.The pulse recurrence frequency signal that external control system provides is input to laser interface, can synchronized transmissions laser pulse.Directly connect 24V dc source, and provide control signal just can work.Switch control, pulse recurrence frequency and the average output power that by external control plate, can carry out easily laser instrument regulate, and can set the bright dipping time.
Fig. 5 is laser control flow chart:
Optical fiber laser is realized the adjusting to laser parameter in use procedure by laser control plate, and first setting laser performance number, resets laser frequency value, then selects regularly or goes out continuously optical mode, finally opens laser switch.Concrete operation method is as follows:
(1) switch on power, surface grinding machine, optical fiber laser 1, two dimension NC auto electric platforms 4, laser control plate 13, computer 5 energisings;
(2) power setting: the power knob on rotary laser control panel 13, observe the numerical value of " POWER " charactron (demonstration performance number) on laser control plate 13 simultaneously, when equaling 30W, performance number stops adjusting knob.Press the upper left " BU of " POWER " knob
2" key latchs anticipating power value, unclamps button, completes the power setting operation of laser instrument;
(3) set of frequency: on rotary laser control panel 13 frequency knob, observe the numerical value of " FREQ " charactron (display frequency value) simultaneously, when the shown frequency values of charactron equals 50kHz, stop adjusting knob.Unclamp knob, complete the set of frequency operation of laser instrument;
(4) continuously bright dipping is selected with bright dipping regularly: after power and frequency have all arranged, directly stir " the K of laser control plate 13
3" switch is to ON state, laser is unlocked, bright dipping continuously.Stir " K
3" switch is to OFF state, laser is turned off;
(5) if will enter regularly, go out optical mode, after power is with frequency setting, first stir " K
3" switch is to ON state, then stir 13 two switch " K of laser control plate
4" and " K
2" switch is to ON state.Rotate the timing knob on two switch right sides, observe " TIME " charactron (Displaying timer time) simultaneously, when charactron show value equals 20 μ s, stop adjusting knob.Press " the BU on laser control plate 13
2" button.Now laser is unlocked, and timing automatically shuts down to rear laser.Exit while regularly going out optical mode, by " K
4" switch and " K
2" switch stirs downwards;
(6) open laser instrument.
The optical-fiber laser dressing compact-type binding agent ultra hard emery wheel equipment course of work:
Optical-fiber laser dressing compact-type binding agent ultra hard emery wheel equipment is " cutter " as emery wheel noncontact procession by pulse optical fiber, and laser parameter can arrange voluntarily on homemade laser control plate.The laser that laser instrument sends conducts to laser ablation head by Transmission Fibers, after collimation, focusing, acts on wheel face.Laser ablation head is arranged on two dimension NC auto electric platforms, by computer control, can realize axially feeding motion and radially focusing and move of laser ablation head, treats that the emery wheel of dressing is arranged on surface grinding machine, by grinding machine, provides the circle-feeding of emery wheel to move.Its specific operation process is as follows:
(1) switch on power, surface grinding machine, optical fiber laser 1, two dimension NC auto electric platforms 4, laser control plate 13, computer 5 energisings;
(2) open grinding machine, make grinding machine X-axis, Y-axis, Z axis is got back to initial value, open optical fiber laser guiding photoswitch, optical fiber laser (1) sends guiding ruddiness, adjusting grinding machine moves up and down, make to guide ruddiness along emery wheel radial direction, open two dimension NC auto electric platforms control system in computer 5, the motion of controlling two dimension NC auto electric platforms by precision makes the vertical contact wheel face of laser ablation head 3, two dimension NC auto electric platforms is set on computer 5 and controls parameter, the X-axis amount of feeding be made as 91.8mm(this apart from time laser ablation head light spot focus be just in time positioned at wheel face), thereby operation control system is realized the automatic focusing of laser facula on computers,
(3) by two dimension NC auto electric platforms control system, guiding ruddiness is moved to A point, by two dimension NC auto electric platforms control system, adjust laser ablation head (3) axial stroke, make to guide ruddiness to move to B point, i.e. the axially-movable of laser ablation head (3) covers the whole width of emery wheel.Guiding ruddiness is moved to A point and keep the position data of 2 of A, B, close two dimension NC auto electric platforms control system;
(4) according to the model for the treatment of dressing emery wheel, regulate power knob on laser control plate 13, frequency knob and timing knob, laser average output power, pulse recurrence frequency and bright dipping time are set;
(5) press grinding machine spindle turn knob, make emery wheel rotation, and according to the model for the treatment of dressing emery wheel, grinding wheel speed is set;
(6) two dimension NC auto electric platforms is controlled software and is set to automatic running status, according to model and the trim amount for the treatment of dressing emery wheel, axial feed velocity and feeding number of times is set;
(7) open Air blowing valve, auxiliary blow gas pressure is set;
(8) open optical fiber laser simultaneously go out photoswitch and two dimension NC auto electric platforms control system;
(9) after laser beam 7 focuses on by laser ablation head 3 condenser lenses 16, vertical irradiation, at grinding-wheel grinder bevel, starts dressing process.Laser ablation head 3 is along the feeding of emery wheel axial reciprocating, and emery wheel is done gyration simultaneously, and bronze binding agent material is removed uniformly, through several times ablation, will form thickly dotted overlapping pit at Bronze, realizes the object of dressing;
(10) arrive process time, optical fiber laser 1 is closed automatically, and two dimension NC auto electric platforms stops axial feed motion automatically.Each part power supply of manual-lock dressing equipment.
Laser dressing process leaves it at that.
If the model of emery wheel used is 100D*10T*5X*31.75H, wherein, 100 is emery wheel external diameter, and 10 is grinding wheel width, and 5 is bonding agent thickness, and 31.75 for installing diameter, and in experimentation, parameter is: laser power is 30W; Pulse recurrence frequency is 50kHz; The bright dipping time is 20 μ s; Grinding wheel speed is 244r/min; The Y-axis feed speed of two dimension NC auto electric platforms is 0.182mm/s, and its specific operation process is as follows:
(1) switch on power, surface grinding machine, optical fiber laser 1, two dimension NC auto electric platforms, laser control plate 13, computer 5 energisings;
(2) open grinding machine, make grinding machine X-axis, Y-axis, Z axis is got back to initial value, open optical fiber laser guiding photoswitch, optical fiber laser (1) sends guiding ruddiness, adjusting grinding machine moves up and down, make to guide ruddiness along emery wheel radially, , open two dimension NC auto electric platforms control system in computer 5, the motion of controlling two dimension NC auto electric platforms by precision makes the vertical contact wheel face of laser ablation head 3, two dimension NC auto electric platforms is set on computer 5 and controls parameter, the X-axis amount of feeding is made as 91.8mm, thereby operation control system is realized the automatic focusing of laser facula on computers,
(3) by two dimension NC auto electric platforms control system, guiding ruddiness is moved to A point, by two dimension NC auto electric platforms control system, adjust laser ablation head (3) axial stroke, make to guide ruddiness to move to B point, i.e. the axially-movable of laser ablation head (3) covers the whole width of emery wheel.Guiding ruddiness is moved to A point and keep the position data of 2 of A, B, close two dimension NC auto electric platforms control system;
(4) regulate power knob on laser control plate 13, frequency knob and timing knob, making laser power is 30W; Pulse recurrence frequency is 50kHz; The bright dipping time is 20 μ s;
(5) press grinding machine spindle turn knob, make emery wheel rotation, adjustment grinding wheel speed is 244r/min;
(6) two dimension NC auto electric platforms is controlled software and is set to automatic running status, and axial feed velocity 0.182mm/s and feeding number of times 1 time is set;
(7) open Air blowing valve, it is 0.6Mpa that auxiliary blow gas pressure is set;
(8) open optical fiber laser switch and two dimension NC auto electric platforms control system simultaneously;
(9) after laser beam 7 focuses on by laser ablation head 3 condenser lenses 16, vertical irradiation, at grinding-wheel grinder bevel, starts dressing process.Laser ablation head 3 is along the feeding of emery wheel axial reciprocating, and emery wheel is done gyration simultaneously, and bronze binding agent material is removed uniformly, through several times ablation, will form thickly dotted overlapping pit at Bronze, realizes the object of dressing;
(10) arrive process time, optical fiber laser 1 is closed automatically, and two dimension NC auto electric platforms stops axial feed motion automatically.Each part power supply of manual-lock dressing equipment.
Laser dressing process leaves it at that.
Although at length disclose the utility model with reference to accompanying drawing, it should be understood that these descriptions are only exemplary, be not used for limiting application of the present utility model.Protection domain of the present utility model is limited by accessory claim, and can be included in various modification, remodeling and the equivalents of doing for utility model in the situation that does not depart from the utility model protection domain and spirit.
Claims (3)
1. an equipment that utilizes optical-fiber laser dressing compact-type binding agent ultra hard emery wheel, this equipment comprises optical fiber laser (1), single-mode fiber (2), laser ablation head (3), two dimension NC auto electric platforms (4), computer (5), it is characterized in that: optical fiber laser (1) is placed on experiment porch; Laser ablation head (3) is arranged on two dimension NC auto electric platforms (4) by ablation head gripper (25), side spray valve (6) is arranged on ablation head gripper (25), compact-type binding agent ultra hard emery wheel (11) is arranged on surface grinding machine, laser control plate (13) is connected with optical fiber laser (1) by data wire, and two dimension NC auto electric platforms (4) is connected with computer (5) by data wire.
2. the equipment that utilizes optical-fiber laser dressing compact-type binding agent ultra hard emery wheel according to claim 1, it is characterized in that: laser ablation head (3) comprises laser head (14), ablation head main body (15), condenser lens (16), condenser lens pressure ring (17), protection eyeglass (18), protection eyeglass pressure ring (19), coaxial valve (20), coaxial injection well (21) and air inlet screwed hole (22), wherein, hold-down screw links together laser head (14) and ablation head main body (15) by retaining thread hole (23), condenser lens (16) is placed on the inner boss of ablation head main body (15), condenser lens pressure ring (17) is placed on condenser lens (16), protection eyeglass (18) is placed on condenser lens pressure ring (17), by protecting eyeglass pressure ring (19) by condenser lens (16), condenser lens pressure ring (17) and protection eyeglass (18) are fixing, by screw thread, coaxial valve (20) and ablation head main body (15) are installed together.
3. the optical-fiber laser dressing compact-type binding agent ultra hard emery wheel equipment that utilizes according to claim 1, it is characterized in that: it is upper that laser ablation head (3) is arranged on two dimension NC auto electric platforms (4) by ablation head gripper (25), and two dimension NC auto electric platforms (4) lower end is two motorized precision translation stages (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063296.7U CN203831257U (en) | 2013-11-21 | 2014-02-12 | Equipment dressing compact super-hard binding agent grinding wheel through fiber laser |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743913 | 2013-11-21 | ||
| CN201320743913.3 | 2013-11-21 | ||
| CN201420063296.7U CN203831257U (en) | 2013-11-21 | 2014-02-12 | Equipment dressing compact super-hard binding agent grinding wheel through fiber laser |
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| Publication Number | Publication Date |
|---|---|
| CN203831257U true CN203831257U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063296.7U Expired - Fee Related CN203831257U (en) | 2013-11-21 | 2014-02-12 | Equipment dressing compact super-hard binding agent grinding wheel through fiber laser |
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| Country | Link |
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| CN (1) | CN203831257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106737199A (en) * | 2016-12-30 | 2017-05-31 | 华南理工大学 | A kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted and method |
| CN114523418A (en) * | 2022-03-24 | 2022-05-24 | 湖南科技大学 | Laser large-cutting-depth trimming device and method for formed grinding wheel |
-
2014
- 2014-02-12 CN CN201420063296.7U patent/CN203831257U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106737199A (en) * | 2016-12-30 | 2017-05-31 | 华南理工大学 | A kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted and method |
| CN106737199B (en) * | 2016-12-30 | 2018-09-14 | 华南理工大学 | A kind of online deburring and the fine grinding attachment of grinding wheel dressing laser assisted and method |
| CN114523418A (en) * | 2022-03-24 | 2022-05-24 | 湖南科技大学 | Laser large-cutting-depth trimming device and method for formed grinding wheel |
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