CN103465126A - Novel numerical control flat grinder - Google Patents
Novel numerical control flat grinder Download PDFInfo
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- CN103465126A CN103465126A CN2013104166035A CN201310416603A CN103465126A CN 103465126 A CN103465126 A CN 103465126A CN 2013104166035 A CN2013104166035 A CN 2013104166035A CN 201310416603 A CN201310416603 A CN 201310416603A CN 103465126 A CN103465126 A CN 103465126A
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- toothed belt
- numerical control
- novel numerical
- column
- surface grinding
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Abstract
The invention provides a novel numerical control flat grinder and has the function of matching a servo motor with a synchronical toothed belt to realize automatic feeding of an X shaft and a Z shaft. A guide block adopts a pull-up type to drive a spindle motor to move up and down. With the novel numerical control flat grinder, the existing general wedge type column is changed to a square column in shape, and tool motor control cabinet and control panel connected with each other are arranged in the novel numerical control flat grinder to realize a CNC (computer numerical control) function. The novel numerical control flat grinder has automatic feeding function, improves production efficiency, reduces labor strength, improves feeding accuracy, guarantees production stability and integrity, increases feeding accuracy and feeding speed of lifting lean screws, prolongs service life of the lifting lean screws, improves rigidity of column structure, and further guarantees feeding accuracy.
Description
Technical field
The present invention relates to the manufacture field of surface grinding machine, specifically a kind of novel numerical control surface grinding machine.
Background technology
The various planes of having relatively high expectations for surface quality, all need through surperficial deep processing or fine finishining, the processing method usually adopted is flat surface grinding, flat surface grinding lathe commonly used is surface grinding machine.Surface grinding machine is a kind of of grinding machine, mainly with emery wheel spin finishing workpiece so that it meets the requirements of flatness.Carry out the surface of the work flatness with surface grinding machine and add man-hour, utilize the pending plane of the working surface polishing workpiece to be processed of emery wheel.The working surface of grinding wheel can be its periphery or its axial end.
When the pending surface of the periphery grinding work piece that adopts grinding wheel, the main shaft of grinding machine, be used for driving the axle of emery wheel rotation, the general horizontal arrangement that is parallel to horizontal plane that adopts.When the pending surface of the axial end grinding work piece that adopts grinding wheel, workpiece is fixed on the rectangular table of linear reciprocating motion usually, also can be arranged on the circular table of left circular motion.Adopt the grinding machine of trunnion axis and rectangular table referred to as surface grinding machine with horizontal spindle and rectangular table.
The surface grinding machine of existing manual series, as KGS1020 type surface grinding machine, it is in X-axis, the position adjustment in Y-axis and three orientation of Z axis all relies on manually and is adjusted by handwheel, be the feeding in the hand feed mode at three axial feeding modes, so that the efficiency of grinding is low, workman's labour intensity is large, and the uniformity of the surface quality level of the product of same batch processed differs larger.
For realizing the purpose of automated production, a lot of automatic improvings for surface grinding machine have been arranged.Mainly embody a concentrated reflection of X-axis or Y-axis are increased to electric device or fluid pressure drive device, thereby workbench can automatically be moved left and right or the front and back feeding; Equally, also can on Z axis, install motor additional or fluid pressure drive device provides driving force, make the bistrique can fast lifting or feeding.
For the surface grinding machine of existing automatic refit, the deficiency of its existence is:
(1) for the transformation grinding machine that adopts fluid pressure drive device as the output of automation power, the oil consumption that exists hydraulic oil is large, and power consumption is high, and leakage of oil seriously waits the problem that production cost and maintenance cost are high; And its noise produced in process of production is large, workman's health is worked the mischief.
(2), for the transformation grinding machine that adopts motor as the output of automation power, electric machine main shaft is all usually direct with the parts that will drive (as leading screw) by shaft coupling or indirectly is connected; In the axle head alignment of the diaxon that will guarantee in such cases docking, if not alignment well of axle head can produce vibration and even bearing be caused to damage, therefore to installation, bring difficulty; And in use regularly whether continuous inspection axle head aligns, and is proofreaied and correct, otherwise certainly will affect the quality on feed accuracy and grinding plane.
As shown in Figure 1, the external structure form of the column 7 of existing surface grinding machine (surface grinding machine that comprises manual series and improved automation series) all is wedge shape, bottom at the lozenges of this wedge shape column arranges spindle motor 81, in the left and right, front side of wedge shape column, two inner surface correspondences are provided with guide rail 71, guide block 72 is arranged between the guide rail 71 of the left and right sides of column 7 inboards, and can move up and down along guide rail 71.The front end face of guide block 72 is provided with boss, the center superposition of boss center and guide block 72, the center of guide block 72 is provided with the hole coordinated with main shaft 82, one end of main shaft 82 stretches out through guide block 72 and by the front end face of boss, this end at main shaft 82 is installed bistrique 83, at bistrique 83 outer setting protective covers 84.
Because the column 7 of this kind of wedge structure is up-narrow and down-wide,, there is the risk of distortion lurched in the shape rigidity extreme difference, and is subject to influence of temperature change large, and top-down deflection is inconsistent, makes machining accuracy unstable, and size is inconsistent.
In existing surface grinding machine, guide block 72 derives from elevating screw 6 along the lifting driving force of guide rail 71, and elevating screw 6 is arranged on column 7 front end inboards, and the top of elevating screw 6 is fixedly connected on the lower surface of guide block 72.Regulating the situation of elevating screw 6 rotations for handwheel, is generally to directly act on lift control lever by handwheel, then by lift control lever, drives elevating screw 6 rotations; For the situation of hydraulic-driven or 6 rotations of motor driving elevating screw, as shown in Figure 1, the bottom that fluid pressure drive device 86 or motor all are mounted in elevating screw 6 drives elevating screw 6 rotations.That is to say, in prior art, on 6 pairs of guide block 7(guide blocks 7 of elevating screw, be fixed with spindle motor 81, bistrique 83 etc.) customary means that drives is all bottom-up, is the top formula.
The applicant finds in actual use, the type of drive of the upper top formula that this kind taked guide block 72, at elevating screw 6, rotate up when driving guide block 72 and moving up along track, there is certain distortion in elevating screw 6, now use bistrique 83 grinding work pieces, radial load from bistrique 83 reaches guide block 72 and then acts on elevating screw 6 by main shaft 82, because elevating screw 6 existence distortion and metamorphosis power are contrary with the radial load from bistrique 83, so can strengthen the deflection of elevating screw 6, affect the accuracy of feeding, and make the life-span of elevating screw 6 reduce.
Summary of the invention
For the technical problem of above-mentioned existence, the object of the present invention is to provide that a kind of feed accuracy further improves, the feeding process is steady, column good rigidly, and the novel numerical control surface grinding machine that can extend the service life of elevating screw.
The present invention solves the technical scheme that its technical problem takes: a kind of novel numerical control surface grinding machine, comprise lathe bed, workbench Y-axis front and back feed arrangement, workbench, column, elevating screw, guide block and the guide rail, spindle motor, the main shaft that coordinate with guide block and the bistrique that is arranged on spindle nose, Z axis lifting drive, also comprise workbench X-axis left and right feeding electric machine, machine motor control cabinet and connected control panel; Described workbench X-axis left and right feeding electric machine comprises the first servomotor be arranged on lathe bed, and the left and right that is arranged on the driving workbench side-to-side movement between lathe bed and workbench drives ball-screw; The output shaft end of described the first servomotor is installed the first toothed belt wheel; Described left and right drives an end of ball-screw that the second toothed belt wheel is installed; Described the first toothed belt wheel is connected by the first synchronous toothed belt with described the second toothed belt wheel.
As a modification of the present invention, described Z axis lifting drive comprises the second servomotor, the 3rd toothed belt wheel and the second synchronous toothed belt; Described the second servomotor connects described machine motor control cabinet; The lower end of described elevating screw is passed the end face of described column and is connected with described guide block, and the end face of described column is stretched out in its upper end; The feed screw nut coordinated with described elevating screw is fixed on the end face of described column; The outer peripheral face of described feed screw nut coordinates with described the 3rd toothed belt wheel; Described the second servomotor is connected with described the 3rd toothed belt wheel by described the second synchronous toothed belt.
As a modification of the present invention, described elevating screw is ball-screw.
As a modification of the present invention, the centre of described the first synchronous toothed belt and/or described the second synchronous toothed belt is provided with metallic framework.
As a modification of the present invention, described machine motor control cabinet inside arranges programmable logic controller (PLC), and described programmable logic controller (PLC) connects described control panel.By control panel, control instruction is transported to described programmable logic controller (PLC), by programmable logic controller (PLC), exports the concrete signal of telecommunication.
As a modification of the present invention, described column is square column.
As a modification of the present invention, described spindle motor is variable-frequency motor, and described spindle motor connects described machine motor control cabinet.
The invention has the beneficial effects as follows: it not only has the automation feed function, enhance productivity, and it has improved feed accuracy, has guaranteed stability and the uniformity of producing; It improves Accuracy of feed and the feed speed of elevating screw, extends the life-span of elevating screw; It has improved the rigidity of pillar construction, has further guaranteed feed accuracy.
The accompanying drawing explanation
The theory structure schematic diagram of the column that Fig. 1 is existing surface grinding machine and lifting actuating element;
Fig. 2 is general structure schematic diagram of the present invention;
The partial enlarged drawing that Fig. 3 is A place in Fig. 2;
The theory structure schematic diagram that Fig. 4 is column of the present invention and the right apparent direction of lifting actuating element;
In figure: 1 lathe bed, feeding handwheel before and after 2 workbench Y-axis, 3 workbench X-axis left and right feeding electric machines, 31 first servomotors, 32 first toothed belt wheels, 33 left and right drive ball-screw, 34 second toothed belt wheels, 35 first synchronous toothed belts, 4 workbench, 5Z axle lifting drive, 51 second servomotors, 52 the 3rd toothed belt wheels, 53 second synchronous toothed belts, 6 elevating screws, 61 feed screw nuts, 7 columns, 71 guide rails, 72 guide blocks, 73 reinforcements, 81 spindle motors, 82 main shafts, 83 bistriques, 84 protective covers, 85 illuminating lamps, 86 fluid pressure drive devices, 9 machine motor control cabinets, 10 control panels.
The specific embodiment
For ease of understanding technology contents of the present invention, below in conjunction with accompanying drawing, it is described further.
X-axis involved in the present invention, Y-axis and Z axis be left and right, front and back and the above-below direction shown in corresponding diagram 2 respectively, and it can not be as the restriction to technical scheme of the present invention.
As shown in Figures 2 to 4, a kind of novel numerical control surface grinding machine, comprise lathe bed 1, workbench Y-axis front and back feed arrangement, workbench X-axis left and right feeding electric machine 3, workbench 4, column 7, elevating screw 6, guide block 72 and the guide rail 71, spindle motor 81, the main shaft 82 that coordinate with guide block 72 and be arranged on bistrique 83, Z axis lifting drive 5, the machine motor control cabinet 9 of main shaft 82 ends and the control panel 10 be connected by cable or electric wire with this machine motor control cabinet 9.
Machine motor control cabinet 9 and control panel 10 all are fixedly mounted on lathe bed 1, and wherein control panel 10 is positioned at the top of described machine motor control cabinet 9.Machine motor control cabinet 9 inside arrange programmable logic controller (PLC), and control panel 10 is connected with this programmable logic controller (PLC) circuit.
Only demonstrated workbench Y-axis front and back feeding handwheel 2 in Fig. 2, because before and after the workbench Y-axis that adopted in the present invention, the form of feed arrangement is the same with the version of existing hand wheel type surface grinding machine, repeated no more herein.It should be noted that, although drawn workbench Y-axis front and back feeding handwheel 2 in Fig. 2, it is the expression as a kind of embodiment.Technical scheme of the present invention is not got rid of the form of feed arrangement before and after the workbench Y-axis that the automation mode of available technology adopting drives.In other words, in other words before and after workbench Y-axis of the present invention feed arrangement can be in hand feed mode of the prior art or the auto-feed mode in any.
For the link position relation between lathe bed 1, workbench 4 and column 7 threes like the prior art, repeat no more.At the set-up mode of column 7 upper rails 71, the position matching of guide block 72 and guide rail 71, the position connection of spindle motor 81, main shaft 82 and the relative column 7 of bistrique 83 and guide block 72 and fit system like the prior art, are not also repeating herein.
As shown in Figures 2 and 3, described workbench X-axis left and right feeding electric machine 3 comprises the first servomotor 31 of being arranged on lathe bed 1, is arranged between lathe bed 1 and workbench 4 and is used for driving the left and right of workbench 4 side-to-side movements to drive ball-screw 33; The end of the output shaft of described the first servomotor 31 is equipped with the first toothed belt wheel 32; Described left and right drives the right-hand member of ball-screw 33 that the second toothed belt wheel 34 is installed; Described the first toothed belt wheel 32 is connected by the first synchronous toothed belt 35 with described the second toothed belt wheel 34.
Also there is circuit connecting relation between described the first servomotor 31 and the inner programmable logic controller (PLC) arranged of described machine motor control cabinet 9, by the action button on operation control panel 10, can flow to inner programmable logic controller (PLC) one instruction arranged of described machine motor control cabinet 9, and this programmable logic controller (PLC) passes to described the first servomotor 31 by institute's call instruction with the form of the signal of telecommunication, and then described the first servomotor 31 actions or stop.The action meeting of the first servomotor 31 reaches described left and right by described the first synchronous toothed belt 35 and drives ball-screw 33, makes described left and right drive ball-screw 33 rotations or stop, thereby drive workbench 4, at right and left, moves upward or stops.
The present invention adopts the first servomotor 31 to drive left and right by the first synchronous toothed belt 35 and drives ball-screw 33 rotations, thereby realizes the left and right of workbench 4 is driven.It has not only held, and the ball-screw driving moment is little, the feeding control accuracy is high, can realize the characteristic of micro-feeding; And adopt synchronous toothed belt to realize the transmission of rotary power between servomotor and ball-screw simultaneously, while having held the synchronous toothed belt transmission, have advantages of, gear drive, chain transmission have been had both and with the advantage of transmission, and without relative sliding, stable drive, evenly.
As preferably, establish metallic framework in the middle of synchronous toothed belt, thereby make distortion quantitative change very little of synchronous toothed belt, therefore there is better transmission rigidity, be a kind of good zero-clearance transmission.
As shown in Figure 2 and Figure 4, described Z axis lifting drive 5 comprises the second servomotor 51, the 3rd toothed belt wheel 52 and the second synchronous toothed belt 53, and described the second servomotor 51 is electrically connected between the described machine motor control cabinet 9(programmable logic controller (PLC) that the second servomotor 51 arranges with described machine motor control cabinet 9 inside and is connected with cable or electric wire).The lower end of described elevating screw 6 is passed the end face of described column 7 and is connected with described guide block 72, and the end face of described column 7 is stretched out in its upper end; The feed screw nut 61 coordinated with described elevating screw 6 is fixed on the end face of described column 7.The outer peripheral face of described feed screw nut 61 coordinates with the inner peripheral surface of described the 3rd toothed belt wheel 52, and they can be the similar fashion such as key cooperation or interference fit between the two; Described the second servomotor 51 is connected with a joggle with described the 3rd toothed belt wheel 52 by described the second synchronous toothed belt 53.As preferably, described elevating screw 6 can adopt ball-screw.
Described the second servomotor 51 is also by synchronous toothed belt, rotary power to be reached to the feed screw nut 61 coordinated with elevating screw 6, under the rotation of described feed screw nut 61 and drive 6 rotations of described elevating screw, and then elevating screw 6 risings or decline, driven guide block 72 and slided up and down along guide rail 71.
Equally, by the action button on operation control panel 10, can flow to inner programmable logic controller (PLC) one instruction arranged of described machine motor control cabinet 9, and this programmable logic controller (PLC) passes to described the second servomotor 51 by institute's call instruction with the form of the signal of telecommunication, and then described the second servomotor 51 actions or stop.
Adopt synchronous toothed belt transmission rotary power, the vibration problem of bringing while not existing degree of registration bad, further guaranteed the precision of feeding.The same with the transmission of X-direction, in the lifting transmission of Z-direction, adopting servomotor coordinate synchronous gear to bring to drive is the elevating screw 6 of ball screw arrangement, not only has above-mentioned said each advantage, but also has utilized ball-screw can realize the characteristics of fast feed.
In addition, can find out what the type of drive of the present invention by 6 pairs of guide blocks 72 of elevating screw was pull-up, driving described feed screw nut 61 by the second servomotor 51 rotates, and then pull elevating screw 6 rotations to rise, motive force is upwards consistent with the force direction from bistrique 83, so two power can not make it produce distortion to elevating screw 6 effects, thereby has guaranteed the precision of feeding, extend the service life of elevating screw 6, reduce use cost.
As shown in Figure 2 and Figure 4, described column 7 is square column.Find in actual use, after the existing column 7 that is wedge shape is revised as to this square column, the shape rigidity of column 7 obviously improves, even if when being subject to temperature impact generation distortion, because this square column up-down structure consistent size, so the deformation comparison that temperature causes is even, thereby avoid, because column 7 is out of shape inhomogeneous generation polymorphic structure up and down, affecting the stability of grinding machine precision.
For column 7, just its profile has been made to improvement in the present invention, just make adaptability revision for the internal structure of column 7.The same with the internal structure of the column of existing wedge shape, the inside of the square column 7 the present invention relates to also is provided with strengthens gusset 73, and its front end arranges the structures such as guide rail 71 equally.
Described spindle motor 81 can adopt variable-frequency motor, and make described spindle motor 81 be electrically connected to described machine motor control cabinet 9, can regulate by guidance panel 10 frequency that flows to spindle motor 81 through machine motor control cabinet 9 like this, realize the variation of spindle motor 81 rotating speeds, meet in actual production process the demand to different grinding rotating speeds.
Like the prior art, the present invention also includes the protective cover 84 at bistrique 83 places, the accessories such as the dustproof bellows that column 7 places arrange and illuminating lamp 85.
Design of the present invention is at least to realize the partial automation of surface grinding machine, can control and combine with CNC, realize high accuracy, high efficiency and complicated production, can reduce operating personnel's labour intensity simultaneously, avoid operating personnel's tired rear significance difference alienation to bringing between workpiece because long-time work produces, its feed accuracy is brought up to 0.05mm by 0.1mm.For realizing and being connected of CNC, the present invention is provided with machine motor control cabinet 9 and the connected control panel 10 be connected with power supply especially, the inner programmable logic controller (PLC) arranged of described machine motor control cabinet 9, each servomotor and spindle motor 81 all connect this programmable logic controller (PLC).Editor's CNC programming instruction is transported to this programmable logic controller (PLC) by control panel 10, and this programmable logic controller (PLC) sends the signal of telecommunication according to instruction to corresponding servomotor or spindle motor 81, realizes that CNC controls.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obvious implementation of the present invention is not subject to the restrictions described above; as long as taked the various improvement of technical solution of the present invention, or without improve by design of the present invention and technical scheme directly apply to this area other occasion all in protection scope of the present invention.
Claims (9)
1. a novel numerical control surface grinding machine, comprise lathe bed (1), workbench Y-axis front and back feed arrangement, workbench (4), column (7), elevating screw (6), guide block (72) and the guide rail (71), spindle motor (81), the main shaft (82) that coordinate with guide block (72) and the bistrique (83) that is arranged on main shaft (82) end, Z axis lifting drive (5), it is characterized in that:
Also comprise workbench X-axis left and right feeding electric machine (3), machine motor control cabinet (9) and the control panel (10) be connected with machine motor control cabinet (9);
Described workbench X-axis left and right feeding electric machine (3) comprises the first servomotor (31) be arranged on lathe bed (1), and the left and right that is arranged on driving workbench (4) side-to-side movement between lathe bed (1) and workbench (4) drives ball-screw (33);
The output shaft end of described the first servomotor (31) is installed the first toothed belt wheel (32); Described left and right drives an end of ball-screw (33) that the second toothed belt wheel (34) is installed;
Described the first toothed belt wheel (32) is connected by the first synchronous toothed belt (35) with described the second toothed belt wheel (34).
2. a kind of novel numerical control surface grinding machine according to claim 1 is characterized in that:
Described Z axis lifting drive (5) comprises the second servomotor (51), the 3rd toothed belt wheel (52) and the second synchronous toothed belt (53);
Described the second servomotor (51) connects described machine motor control cabinet (9);
The lower end of described elevating screw (6) is passed the end face of described column (7) and is connected with described guide block (72), and the end face of described column (7) is stretched out in its upper end;
The feed screw nut (61) coordinated with described elevating screw (6) is fixed on the end face of described column (7);
The outer peripheral face of described feed screw nut (61) coordinates with described the 3rd toothed belt wheel (52);
Described the second servomotor (51) is connected with described the 3rd toothed belt wheel (52) by described the second synchronous toothed belt (53).
3. a kind of novel numerical control surface grinding machine according to claim 2, it is characterized in that: described elevating screw (6) is ball-screw.
4. according to claim 1 or 2 or 3 described a kind of novel numerical control surface grinding machines, it is characterized in that: the centre of described the first synchronous toothed belt (35) and/or described the second synchronous toothed belt (53) is provided with metallic framework.
5. according to claim 1 or 2 or 3 described a kind of novel numerical control surface grinding machines, it is characterized in that: described machine motor control cabinet (9) inside arranges programmable logic controller (PLC), and described programmable logic controller (PLC) connects described control panel (10).
6. according to claim 1 or 2 or 3 described a kind of novel numerical control surface grinding machines, it is characterized in that: described column (7) is square column.
7. according to claim 1 or 2 or 3 described a kind of novel numerical control surface grinding machines, it is characterized in that: described spindle motor (81) is variable-frequency motor, and described spindle motor (81) connects described machine motor control cabinet (9).
8. a kind of novel numerical control surface grinding machine according to claim 6, it is characterized in that: described machine motor control cabinet (9) inside arranges programmable logic controller (PLC), and described programmable logic controller (PLC) connects described control panel (10).
9. a kind of novel numerical control surface grinding machine according to claim 7, it is characterized in that: described machine motor control cabinet (9) inside arranges programmable logic controller (PLC), and described programmable logic controller (PLC) connects described control panel (10).
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| CN2013104166035A CN103465126A (en) | 2013-09-12 | 2013-09-12 | Novel numerical control flat grinder |
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| CN2013104166035A CN103465126A (en) | 2013-09-12 | 2013-09-12 | Novel numerical control flat grinder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275646A (en) * | 2014-10-23 | 2015-01-14 | 湖南坤鼎数控科技有限公司 | Grinding positioning control method, grinding positioning control system and grinding positioning device |
| CN106425721A (en) * | 2016-11-27 | 2017-02-22 | 宁波市天成捷奥机械有限公司 | Numerical-control plane polishing machine used for water slot processing |
| CN108890535A (en) * | 2018-07-06 | 2018-11-27 | 河北中瓷电子科技有限公司 | A kind of grinder |
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| US4485594A (en) * | 1982-09-07 | 1984-12-04 | Brown & Sharpe Manufacturing Company | Surface grinding machine |
| CN2794738Y (en) * | 2005-05-12 | 2006-07-12 | 施伟 | Novel plane grinder |
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| CN102029574A (en) * | 2010-08-18 | 2011-04-27 | 大丰市远大机床有限公司 | Longitudinal synchronous belt transmission mechanism of surface grinder workbench |
| CN202021511U (en) * | 2011-01-04 | 2011-11-02 | 沈阳三友机械设备有限公司 | Numerical control surface grinding machine with vertical spindle and rectangular table |
| CN203426807U (en) * | 2013-09-12 | 2014-02-12 | 临清市齐亚机械有限公司 | Novel numerically-controlled surface grinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4485594A (en) * | 1982-09-07 | 1984-12-04 | Brown & Sharpe Manufacturing Company | Surface grinding machine |
| CN2794738Y (en) * | 2005-05-12 | 2006-07-12 | 施伟 | Novel plane grinder |
| CN201098843Y (en) * | 2007-06-06 | 2008-08-13 | 上海重型机床厂有限公司 | Dual-shaft interlocked digital control dresser for digital control gantry guide rail grinder |
| CN102029574A (en) * | 2010-08-18 | 2011-04-27 | 大丰市远大机床有限公司 | Longitudinal synchronous belt transmission mechanism of surface grinder workbench |
| CN202021511U (en) * | 2011-01-04 | 2011-11-02 | 沈阳三友机械设备有限公司 | Numerical control surface grinding machine with vertical spindle and rectangular table |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275646A (en) * | 2014-10-23 | 2015-01-14 | 湖南坤鼎数控科技有限公司 | Grinding positioning control method, grinding positioning control system and grinding positioning device |
| CN104275646B (en) * | 2014-10-23 | 2016-06-29 | 湖南坤鼎数控科技有限公司 | Grinding position control method, control system and grinding location device |
| CN106425721A (en) * | 2016-11-27 | 2017-02-22 | 宁波市天成捷奥机械有限公司 | Numerical-control plane polishing machine used for water slot processing |
| CN108890535A (en) * | 2018-07-06 | 2018-11-27 | 河北中瓷电子科技有限公司 | A kind of grinder |
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Application publication date: 20131225 |