CN106975805A - A kind of back to zero system and method for spark-erosion machine tool - Google Patents
A kind of back to zero system and method for spark-erosion machine tool Download PDFInfo
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- CN106975805A CN106975805A CN201710191633.9A CN201710191633A CN106975805A CN 106975805 A CN106975805 A CN 106975805A CN 201710191633 A CN201710191633 A CN 201710191633A CN 106975805 A CN106975805 A CN 106975805A
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- zero
- motion
- optoelectronic switch
- rotary encoder
- control card
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges
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Abstract
The invention discloses a kind of back to zero system and method for spark-erosion machine tool, system includes industrial computer including motor driver, motion control card, motion module, rotary encoder, optoelectronic switch and motor, industrial computer controls motion control card, motion control card connects motor driver, rotary encoder and optoelectronic switch respectively, motor driver is moved by motor control axle, powered motion module, axle movable information Real-time Feedback to motion control card, optoelectronic switch are received signal and feed back to motion control card by rotary encoder.Using this method, zero-bit high consistency, it is ensured that the coordinate system uniformity that lathe after electricity is cut-off in repetition ensures repeatable accuracy; it ensure that and avoid processing or run programming and collide; prevent from causing workpiece damage, scrap and decline with machine tool accuracy, so as to reduce lathe shutdown loss, reduce tune machine cost;Save and change axle accessory, dismounting axle cost;Improve operating efficiency, save maintenance cost, it is ensured that the lasting machining accuracy of lathe.
Description
Technical field
The present invention relates to a kind of back to zero system and method for spark-erosion machine tool, belong to spark erosion technique field.
Background technology
Back to zero be exactly allow lathe know lathe reference point where.Each necessary behaviour completed of Digit Control Machine Tool power-off start
Make.
Aligning control is pivoted to after back to zero signal, is just moved in current location with a slower speed to fixed direction,
After signal is received as zero-bit optoelectronic switch, kinetic control system starts to detect encoder zero pulse;When system detectio is arrived
After first zero pulse, motor stops operating at once, and current location is lathe zero point.
Original reset mode has following drawback:1)The characteristics of optoelectronic switch is with rotary encoder, which detects signal, is every time
With a position, there may be the gap of a pitch, influence the precision of back to zero;2)The influence of external environment condition, the photoelectricity of zero-bit is opened
Close and feed back delayed, zero point is inconsistent.
The content of the invention
In order to overcome above-mentioned deficiency, the present invention provides a kind of new reset mode of spark-erosion machine tool, it is ensured that each back to zero
Uniformity, it is ensured that the coordinate system set up after each switching on and shutting down is completely the same.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of back to zero system of spark-erosion machine tool, the system includes industrial computer including motor driver, motion control card, fortune
Dynamic model block, rotary encoder, optoelectronic switch and motor, the industrial computer control motion control card, the motion control card
Motor driver, rotary encoder and optoelectronic switch are connected respectively, the motor driver is moved by motor control axle, drive
Dynamic motion module, the rotary encoder is by axle movable information Real-time Feedback to motion control card, and the optoelectronic switch receives
Motion control card is fed back to signal.
Preferably, above-mentioned motor driver uses Panasonic, model: MADHT1507.
Preferably, above-mentioned motion control card uses DELTA, model:Clipper+opt12.
Preferably, above-mentioned motor movement module uses Panasonic motors and THK line slideways, Panasonic electricity
Machine model AH3K-S545, THK line slideway model KR3306A-0100-0-10A0.
Preferably, above-mentioned optoelectronic switch, which is used, applies Rake, model SA1A2CBAAB12.
A kind of back to zero method of spark-erosion machine tool, using above-mentioned system, step is:
(1), industrial computer by motion control card control start motor driver, and by motor driver controlled motor band moving axis transport
It is dynamic;
(2), according to the feedback of optoelectronic switch, motion control card determines the flow of back to zero action;
(3), if the feedback of optoelectronic switch zero signal, moved to positive direction, until leaving after optoelectronic switch zero signal,
Moved to negative direction after optoelectronic switch zero signal, continue to find rotary encoder in negative direction motion, half-turn pitch position
Device internal zero signal, detects the motion completion of rotary encoder zero-bit back to zero, does not detect rotary encoder zero-bit
Rotary encoder zero-bit is detected in the range of signal, positive direction half pitch;
(4)If, without photoelectric switching signal feedback, motion module to positive movement after optoelectronic switch is just spacing, motion
Module is moved to negative direction after the signal for detecting optoelectronic switch zero-bit, continues to seek in negative direction motion, half-turn pitch position
Rotary encoder internal zero signal is looked for, the motion completion of rotary encoder zero-bit back to zero is detected, does not detect coding
Encoder zero-bit is detected in the range of device zero signal, positive direction half pitch;
(5), back to zero motion complete.
The beneficial effect that the present invention is reached:
The present invention provides a kind of more accurate back to zero method of spark-erosion machine tool, zero-bit high consistency, it is ensured that machine after electricity is cut-off in repetition
The coordinate system uniformity of bed ensures repeatable accuracy, it is ensured that avoids processing or runs programming and collide, prevents from thereby resulting in
Workpiece damage, scrap and decline with machine tool accuracy, so as to reduce lathe shutdown loss, reduce tune machine cost;Saving replacing axle accessory,
Dismount axle cost;Improve operating efficiency, save maintenance cost, it is ensured that the lasting machining accuracy of lathe.
Brief description of the drawings
Fig. 1 is the integrated machine composition of system;
Fig. 2 is the flow chart of method.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, a kind of back to zero system of spark-erosion machine tool, the system include industrial computer including motor driver,
Motion control card, motion module, rotary encoder, optoelectronic switch and motor, the industrial computer control motion control card, institute
State motion control card and connect motor driver, rotary encoder and optoelectronic switch respectively, the motor driver passes through motor
Control shaft move, powered motion module, the rotary encoder by axle movable information Real-time Feedback to motion control card, it is described
Optoelectronic switch receives signal and feeds back to motion control card.
Preferably, above-mentioned motor driver uses Panasonic, model: MADHT1507.
Preferably, above-mentioned motion control card uses DELTA, model:Clipper+opt12.
Preferably, above-mentioned motor movement module uses Panasonic motors and THK line slideways, Panasonic electricity
Machine model AH3K-S545, THK line slideway model KR3306A-0100-0-10A0.
Preferably, above-mentioned optoelectronic switch, which is used, applies Rake, model SA1A2CBAAB12.
As shown in Fig. 2 a kind of back to zero method of spark-erosion machine tool, using above-mentioned system, step is:
(1), industrial computer by motion control card control start motor driver, and by motor driver controlled motor band moving axis transport
It is dynamic;
(2), according to the feedback of optoelectronic switch, motion control card determines the flow of back to zero action;
(3), if the feedback of optoelectronic switch zero signal, moved to positive direction, until leaving after optoelectronic switch zero signal,
Moved to negative direction after optoelectronic switch zero signal, continue to find rotary encoder in negative direction motion, half-turn pitch position
Device internal zero signal, detects the motion completion of rotary encoder zero-bit back to zero, does not detect rotary encoder zero-bit
Rotary encoder zero-bit is detected in the range of signal, positive direction half pitch;
(4)If, without photoelectric switching signal feedback, motion module to positive movement after optoelectronic switch is just spacing, motion
Module is moved to negative direction after the signal for detecting optoelectronic switch zero-bit, continues to seek in negative direction motion, half-turn pitch position
Rotary encoder internal zero signal is looked for, the motion completion of rotary encoder zero-bit back to zero is detected, does not detect coding
Encoder zero-bit is detected in the range of device zero signal, positive direction half pitch;
(5), back to zero motion complete.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of back to zero system of spark-erosion machine tool, it is characterised in that:The system include industrial computer including motor driver,
Motion control card, motion module, rotary encoder, optoelectronic switch and motor, the industrial computer control motion control card, institute
State motion control card and connect motor driver, rotary encoder and optoelectronic switch respectively, the motor driver passes through motor
Control shaft move, powered motion module, the rotary encoder by axle movable information Real-time Feedback to motion control card, it is described
Optoelectronic switch receives signal and feeds back to motion control card.
2. a kind of back to zero system of spark-erosion machine tool according to claim 1, it is characterised in that:The motor driver is adopted
With Panasonic, model: MADHT1507.
3. a kind of back to zero system of spark-erosion machine tool according to claim 1, it is characterised in that:The motion control card is adopted
With DELTA, model:Clipper+opt12.
4. a kind of back to zero system of spark-erosion machine tool according to claim 1, it is characterised in that:The motor movement module
Using Panasonic motors and THK line slideways, Panasonic motor model AH3K-S545, THK line slideway models
KR3306A-0100-0-10A0。
5. a kind of back to zero system of spark-erosion machine tool according to claim 1, it is characterised in that:The optoelectronic switch is used
Apply Rake, model SA1A2CBAAB12.
6. a kind of back to zero method of spark-erosion machine tool, it is characterised in that utilize the system described in claim 1, it is characterised in that step
Suddenly it is:
(1), industrial computer by motion control card control start motor driver, and by motor driver controlled motor band moving axis transport
It is dynamic;
(2), according to the feedback of optoelectronic switch, motion control card determines the flow of back to zero action;
(3), if the feedback of optoelectronic switch zero signal, moved to positive direction, until leaving after optoelectronic switch zero signal,
Moved to negative direction after optoelectronic switch zero signal, continue to find rotary encoder in negative direction motion, half-turn pitch position
Device internal zero signal, detects the motion completion of rotary encoder zero-bit back to zero, does not detect rotary encoder zero-bit
Rotary encoder zero-bit is detected in the range of signal, positive direction half pitch;
(4)If, without photoelectric switching signal feedback, motion module to positive movement after optoelectronic switch is just spacing, motion
Module is moved to negative direction after the signal for detecting optoelectronic switch zero-bit, continues to seek in negative direction motion, half-turn pitch position
Rotary encoder internal zero signal is looked for, the motion completion of rotary encoder zero-bit back to zero is detected, does not detect coding
Encoder zero-bit is detected in the range of device zero signal, positive direction half pitch;
(5), back to zero motion complete.
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Cited By (4)
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CN108759876A (en) * | 2018-03-16 | 2018-11-06 | 江苏和正特种装备有限公司 | The origin position setting method of high-precision magnetic coder |
CN108803493A (en) * | 2018-07-23 | 2018-11-13 | 上海恒润申启多媒体有限公司 | The memoryless multi-shaft interlocked rail system of bus-type and its change-giving device and odd change method |
CN111890390A (en) * | 2020-07-16 | 2020-11-06 | 共享智能铸造产业创新中心有限公司 | Three-axis motion equipment position calibration system |
CN113985811A (en) * | 2021-11-01 | 2022-01-28 | 珠海格力电器股份有限公司 | Anti-collision control method for numerical control machine tool and numerical control machine tool |
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CN108759876A (en) * | 2018-03-16 | 2018-11-06 | 江苏和正特种装备有限公司 | The origin position setting method of high-precision magnetic coder |
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CN113985811A (en) * | 2021-11-01 | 2022-01-28 | 珠海格力电器股份有限公司 | Anti-collision control method for numerical control machine tool and numerical control machine tool |
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