CN206416045U - A kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted - Google Patents
A kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted Download PDFInfo
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- CN206416045U CN206416045U CN201621484260.1U CN201621484260U CN206416045U CN 206416045 U CN206416045 U CN 206416045U CN 201621484260 U CN201621484260 U CN 201621484260U CN 206416045 U CN206416045 U CN 206416045U
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Abstract
The utility model is to disclose a kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted, including controller, it is machined with the micro- sophisticated skive of emery wheel, laser cutting head, optical fiber, laser generator, controller control laser generator transmitting laser, optical fiber connects laser generator and laser cutting head, the laser is focused on by laser cutting head by optical fiber and exported, the micro- tip of emery wheel and workpiece relative motion, the laser beam of laser cutting head output form an angle with emery wheel cutting point tangential directionθAnd focus on the burr of the micro- sophisticated abrasive grain cutting formation of emery wheel.The utility model aids in micro- grinding using pulsed infrared optical-fiber laser, coupled using suitable laser energy with grinding shearing heat energy, microstructured edge burr is removed by the fusing of control of burr temperature online and base material is not destroyed, high-quality micro-structural is obtained, high in machining efficiency, processing cost is low.
Description
Technical field
The utility model is related to a kind of microfabrication device and method, and in particular to a kind of online deburring and emery wheel dressing
The fine grinding attachment of laser assisted.
Background technology
Micro- grinding is a kind of conventional machinery processing method finished to workpiece, can accurately control shape essence
Degree, but be difficult effectively to lift limit machining accuracy, easily cause embrittlement, processing stainless steel etc. during the hard brittle material such as grinding glass ceramics
Regular dressing is needed after easily producing burr, the micro- points wear of emery wheel at edge during metal material.Laser Processing connects as one kind is non-
Physical refining processes is touched, process flexible the advantages of strong with controllability can remove material by density of heat energy rapid melting,
But excessive energy can cause detrimental thermal effects area.Therefore laser assisted process technology physics being combined as a whole with machining
Developed rapidly.Conventional laser secondary process is reduced after material yield strength, softener material using the first preheated material of laser beam
It is processed again with mechanical means such as turning, milling, grindings.Virginia Garc í a Navas have found to use diode pumping
Continuous laser aids in Cutting Force during turning nickel alloy to reduce, and Jong Wook Ahn aid in milling carbon steel using diode laser
Shi Faxian specific cutting energies reduce 60%.D.W. Kang is had found to use the multiple preheated ceramic of laser, and milling, knife are then carried out again
Tool grinding is obviously reduced, but S. N. Melkote have found that in laser assisted milling mould steel surface roughness ratio is without laser
Assistant grinding adds 36%.M. Kumar has found mill of the grinding force ratio without laser assisted during laser assisted grinding ceramics
Cut power and reduce 43.2%.But the hair for removing the microstructured edges such as hole, groove is not yet processed in existing research with laser assisted
Thorn, the method that flash removed is removed at present is mainly pincers worker manual grinding deburring, abrasive grinding deburring, but processing efficiency is low, into
This height, the online deburring of process can not be realized, because micro- grinding belongs to high-precision microfabrication, be very difficult to be ground except micro-
The fine burr produced in journey.In addition, the method for dressing is mainly that grinding stone is repaiied to mill or laser after the micro- points wear of emery wheel at present
It is sharp, all it is offline dressing emery wheel, low production efficiency, cost is high.
Utility model content
The purpose of this utility model is to consider above mentioned problem and provide a kind of online deburring and emery wheel dressing laser is auxiliary
Help fine grinding attachment.Online dressing emery wheel in real time is intended to, microstructured edge burr is removed, high-quality, the micro- knot of high accuracy is realized
The processing of structure.
The utility model solve above-mentioned technical problem technical scheme be:
A kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted, include controller, are machined with emery wheel
Micro- sophisticated skive, laser cutting head, optical fiber, laser generator, the controller control laser generator transmitting swash
Light, the optical fiber connection laser generator and laser cutting head, the laser is focused on by laser cutting head by optical fiber and exported, institute
The micro- tip of emery wheel is stated with workpiece relative motion, laser beam that the laser cutting head is sent and emery wheel cutting point tangential direction are into one
Clamp angleθAnd focus on the burr of the micro- sophisticated emery wheel abrasive grain cutting formation of emery wheel.
Further, the laser is pulsed infrared optical-fiber laser, and laser facula is in Gaussian Profile, and laser facula size is
10~200 μm。
Further, the nm of laser wavelength range 780~2526, pulsewidth is more than or equal to 20 ns, energy density scope
For 0.1~50 J/cm2, frequency range is 1~100 kHz.
Further, the skive is metal bonded wheel.
Further, the laser beam is incident on cutting point, Gauss with emery wheel cutting point tangential direction into 1 ° ~ 20 ° angles
Laser facula is distributed on the burr of emery wheel abrasive grain cutting formation, and part gauss laser hot spot is distributed at emery wheel cutting point simultaneously
The micro- sophisticated bonding agent of emery wheel on.
Advantage of the present utility model and good effect are:Contrasted with existing micro- grinding, the utility model is compounded with while going
The effect of microstructured edge burr and dressing emery wheel, takes full advantage of the characteristic of gaussian laser distribution, laser heat source is focused on
On the burr of emery wheel abrasive grain cutting formation, laser heat source is coupled with grinding shear heat source, burr temperature is more than material melting point, base
Material temperature is less than material melting point, and flash removed can be melted online, and ensureing surrounding base material will not be destroyed.It is same in process
When the gauss laser light spot energy that is distributed on the micro- tip of emery wheel cutting point can online dressing emery wheel.Laser light incident direction and emery wheel
Cutting point tangential direction angleθCan be with flexible modulation, micro- grinding that the method is applied to multiple material various shapes micro-structural adds
Work.The utility model realizes the function of online deburring and dressing emery wheel simultaneously in micro- grinding process, is that a kind of design is skilful
Wonderful, function admirable is convenient and practical, the low laser assisted processing method of processing cost.
Brief description of the drawings
Fig. 1 is the online deburring and the fine grinding attachment signal of emery wheel dressing laser assisted of the utility model embodiment 1
Figure.
Fig. 2 is online deburring and the original of the fine method for grinding of emery wheel dressing laser assisted of the utility model embodiment 2
Reason figure.
Fig. 3 is online deburring and the temperature of the fine method for grinding of emery wheel dressing laser assisted of the utility model embodiment 2
Spend distribution schematic diagram.
Work pieces process Surface scan electron microscope when Fig. 4 is the micro- grinding of no laser assisted.
Fig. 5 is work pieces process face surface sweeping electron microscope when having the micro- grinding of laser assisted.
In figure:1st, controller;2nd, skive tip;3rd, skive;4th, laser beam;5th, burr;6th, workpiece;
7th, very low power;8th, laser cutting head;9th, optical fiber;10th, laser generator;11- bonding agents;The micro- abrasive particle of 12- diamonds;13- laser
Thermal source;14- grinding cutting thermals source.
Embodiment
In order to be best understood from the utility model, the utility model is done further with reference to the accompanying drawings and examples
It is bright, but the claimed scope of the utility model is not limited to the scope that embodiment is represented.
Embodiment 1
As shown in figure 1, a kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted, include controller 1,
Micro- sophisticated 2 skive 3 of emery wheel, laser cutting head 8, optical fiber 9, laser generator 10 are machined with, the controller 1 is controlled
Laser generator 10 launches laser, the connection laser generator 10 of optical fiber 9 and laser cutting head 8, and the laser passes through optical fiber 9
Output, the emery wheel micro- sophisticated 2 and the relative motion of workpiece 6 are focused on by laser cutting head 8, what the laser cutting head 8 was sent swashs
Light beam 4 forms an angle with emery wheel cutting point tangential directionθAnd focus on the hair of the emery wheel abrasive grain cutting formation of emery wheel micro- sophisticated 2
In thorn 5.The control of the controller 1 laser generator 10 output laser, the power output of major control laser, laser pulse are repeated
The laser parameters such as frequency.Laser is transferred in laser cutting head 8, laser cutting head 8 through optical fiber 9 condenser lens, can control
The focal length of laser.Laser light incident direction can be controlled in Y, Z plane rotating laser head 8.The skive of the present embodiment
For metal bonded wheel, emery wheel micro- sophisticated 2 is 120 ° of micro- tips of V-arrangement.
Specifically, the laser is pulsed infrared optical-fiber laser, and laser facula is in Gaussian Profile, and laser facula size is
10~200 μm.The nm of laser wavelength range 780~2526, pulsewidth be more than or equal to 20 ns, energy density scope be 0.1~
50 J/cm2, frequency range is 1~100 kHz.
Specifically, the laser beam 4 is incident on cutting point, Gauss with emery wheel cutting point tangential direction into 1 ° ~ 20 ° angles
Laser facula is distributed on the burr 5 of emery wheel abrasive grain cutting formation, i.e., the laser beam 4 that laser cutting head 8 is projected focuses on cutting
Point, laser spot center is located on the burr 5 of emery wheel abrasive grain cutting formation, meanwhile, part gauss laser hot spot is distributed in emery wheel
At micro- sophisticated 2 emery wheel cutting point on bonding agent 11, the now coupling of laser heat source 13 grinding cutting thermal source 14 acts on laser light
The burr of spot center (see Fig. 2).
During pulsed laser action, the rise of the surface temperature of burr 5, pulse laser terminates rear burr temperature drop, when burr most
When big temperature is less than material melting point higher than material melting point, and base material temperature, burr 5 can be removed and finished surface will not be broken
Bad (as shown in Figure 3), because laser spot center is acted on burr 5, it is easier to control.It is distributed in emery wheel micro- sophisticated 2
Fraction of laser light energy then soften bonding agent so that the micro- abrasive particle 12 of diamond goes out sword.Laser beam 4 and emery wheel cutting point tangential direction
Form an angleθ, it is therefore intended that find optimal incident angle in fact dressing emery wheel micro- sophisticated 2.
Embodiment 2
A kind of online deburring and the fine method for grinding of emery wheel dressing laser assisted, comprise the following steps:
1) dressing of skive 3 is gone out by 120 ° of V-arrangement emery wheels micro- sophisticated 2 using grinding stone;
2)The control transmitting laser of laser generator 10 of controller 1, the connection laser generator 10 of optical fiber 9 and laser cutting
First 8, the laser focuses on output by optical fiber 9 by laser cutting head 8, and the eye point of laser cutting head 8 is Jiao with cutting point distance
Away from;In the present embodiment, laser is pulsed infrared optical-fiber laser, and laser beam is in Gaussian Profile, and it is 100 μ to set laser facula size
M, focal length is 20 mm, and wavelength is 1064 nm, and pulsewidth is 100 ns, and energy density is 0.6 J/cm2, the kHz of frequency 20;
3) laser beam 4 and emery wheel cutting point tangential direction are focused on into the formation of emery wheel abrasive grain cutting into 5 ° of angle incidences
On burr 5, part gauss laser is distributed on micro- sophisticated 2 bonding agent 11 of emery wheel at emery wheel cutting point simultaneously;
4) laser cutting head 8 and the position geo-stationary of skive 3, skive 3 are located at the upper surface of workpiece 6, work
Part 6 is the difficult-to-machine materials such as mould steel, stainless steel;The rpm of 3 rotating speed of skive 1600, feed speed is 60 mm/min, is entered
It it is 4 μm to depth, the relative laser of workpiece 6 and emery wheel are in X, and Z plane motion is micro- to be ground out very low power 7;
5)The burr of microstructured edge is removed in the presence of pulse laser by online fusing;Grinding wheel bond is softened,
Micro- grit protrusion, micro- tip is by online dressing.
The laser energy density is adjusted according to the species of rapidoprint so that laser action temperature at burr is big
In material melting point, base material temperature is less than material melting point around burr.
In this example, emery wheel micro- sophisticated 2 processes deep 20 μm, wide 110 μm V-arrangement very low power 7 in stainless steel surfaces, plus
Work efficiency fruit as shown in figure 4, and work pieces process face schematic diagrames of Fig. 5 when being grinding micro- without laser assisted, by comparing as can be seen that
Very low power burrs on edges 5 is removed in the presence of pulse laser by online fusing when having laser light incident, and hair during without laser light incident
Thorn 5 is not removed then, finally processes high accuracy, the micro-structural of non-flanged burr.
In summary, the utility model is aided in micro- grinding, process using suitable using pulsed infrared optical-fiber laser
Laser energy with grinding shearing heat energy couple, control of burr temperature higher than material melting point and nearby base material temperature less than material melt
Point, then can melt removal microstructured edge burr online and not destroy base material, be suitable for adding for a variety of micro-structurals of multiple material
Work;The heat energy softening bonding agent of suitable gradient causes micro- grit protrusion, reaches the purpose of online dressing emery wheel, regulates laser work(
Rate, repetition rate, micro- grinding and feeding depth, feed speed, the parameter such as grinding wheel speed can then obtain the high-quality micro- knot of impulse- free robustness
Structure, high in machining efficiency, processing cost is low.
Above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to embodiment of the present utility model.For those of ordinary skill in the field, on the basis of described above
On can also make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.
All any modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in this reality
Within new scope of the claims.
Claims (5)
1. a kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted, it is characterised in that:Including controller (1),
Skive (3), laser cutting head (8), optical fiber (9), the laser generator (10) of emery wheel micro- sophisticated (2) are machined with, it is described
Controller (1) control laser generator (10) transmitting laser, optical fiber (9) the connection laser generator (10) and laser cutting head
(8), the laser is focused on by laser cutting head (8) by optical fiber (9) and exported, and the emery wheel micro- sophisticated (2) is relative with workpiece (6)
Motion, the laser beam (4) of laser cutting head (8) output forms an angle with emery wheel cutting point tangential directionθAnd focus on
On the burr (5) of the emery wheel abrasive grain cutting formation of emery wheel micro- sophisticated (2).
2. online deburring according to claim 1 and the fine grinding attachment of emery wheel dressing laser assisted, it is characterised in that:
The laser is pulsed infrared optical-fiber laser, and laser facula is in Gaussian Profile, and laser facula size is 10 ~ 200 μm.
3. online deburring according to claim 2 and the fine grinding attachment of emery wheel dressing laser assisted, it is characterised in that:
The nm of laser wavelength range 780~2526, pulsewidth is more than or equal to 20 ns, and energy density scope is 0.1~50 J/cm2, frequency
Rate scope is 1~100 kHz.
4. online deburring according to claim 1 and the fine grinding attachment of emery wheel dressing laser assisted, it is characterised in that:
The skive (3) is metal bonded wheel.
5. online deburring according to claim 2 and the fine grinding attachment of emery wheel dressing laser assisted, it is characterised in that:
The laser beam (4) is incident on cutting point with emery wheel cutting point tangential direction into 1 ° ~ 20 ° angles, and gauss laser hot spot is distributed in
On the burr (5) of emery wheel abrasive grain cutting formation, part gauss laser hot spot is distributed in the micro- point of emery wheel at emery wheel cutting point simultaneously
On the bonding agent (11) for holding (2).
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CN201621484260.1U CN206416045U (en) | 2016-12-30 | 2016-12-30 | A kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted |
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CN201621484260.1U CN206416045U (en) | 2016-12-30 | 2016-12-30 | A kind of online deburring and the fine grinding attachment of emery wheel dressing laser assisted |
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Cited By (4)
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 |
CN108032222A (en) * | 2017-12-29 | 2018-05-15 | 华中科技大学 | A kind of emery wheel double excitation trimming device and dressing method |
WO2019237910A1 (en) * | 2018-06-12 | 2019-12-19 | 山东大学 | Rough-and-fine integrated progressive grinding method for non-slewing optical array |
CN114952522A (en) * | 2022-06-24 | 2022-08-30 | 南京航空航天大学 | Laser system and device and method for processing ceramic material |
-
2016
- 2016-12-30 CN CN201621484260.1U patent/CN206416045U/en not_active Withdrawn - After Issue
Cited By (6)
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 |
CN108032222A (en) * | 2017-12-29 | 2018-05-15 | 华中科技大学 | A kind of emery wheel double excitation trimming device and dressing method |
WO2019237910A1 (en) * | 2018-06-12 | 2019-12-19 | 山东大学 | Rough-and-fine integrated progressive grinding method for non-slewing optical array |
CN114952522A (en) * | 2022-06-24 | 2022-08-30 | 南京航空航天大学 | Laser system and device and method for processing ceramic material |
CN114952522B (en) * | 2022-06-24 | 2023-07-25 | 南京航空航天大学 | Laser system and apparatus and method for processing ceramic materials |
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Granted publication date: 20170818 Effective date of abandoning: 20180914 |