CN102601680A - Intelligent feeding control method for sample cutting machine - Google Patents
Intelligent feeding control method for sample cutting machine Download PDFInfo
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- CN102601680A CN102601680A CN2012100860390A CN201210086039A CN102601680A CN 102601680 A CN102601680 A CN 102601680A CN 2012100860390 A CN2012100860390 A CN 2012100860390A CN 201210086039 A CN201210086039 A CN 201210086039A CN 102601680 A CN102601680 A CN 102601680A
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- feed
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- feeding motor
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Abstract
The invention relates to an intelligent feeding control method for a sample cutting machine. When the sample cutting machine is operated, a control device detects the operating current I of a cutting motor and compares the operating current I with the rated current I0 of the cutting motor. When I is larger than 1.3 I0 for a period of time, the control device outputs control signals to a feeding motor to change the cutter feeding speed or convert the cutter feeding way into a pulse cutter feeding way. Using the control method can automatically adjust cutter feeding speed and convert the cutter feeding way according to motor load during sample cutting, normal and efficient operation of the cutting machine and a power system thereof can be guaranteed, and cutting samples can be effectively protected.
Description
Technical field
The present invention relates to the feeding mode to test specimen cutting press, the control method of feed speed.Described feeding comprises the feeding of saw blade feeding and sample material.
Background technology
Existing test specimen cutting press; Such as the metallographic cutting machine, the feeding majority of saw blade (perhaps metallographic material) is at the uniform velocity, is called at the uniform velocity feed; Also can the strobe pulse feed mode during than the bulk specimen material at cutting hardness, such as the pulse feed mode of " advance three and move back ".Generally select one of above-mentioned dual mode according to the hardness of institute's cutting material.
Because the hardness of the sample material that is cut is also inhomogeneous sometimes, the position hardness that has is high, and the position hardness that has is low, and is different to the requirement of feeding power of motor when the cutting different parts.On the other hand, in cutting process,, the requirement of feeding power of motor is also changed along with the variation of saw blade and workpiece contact area.Therefore; Single at the uniform velocity feed mode or pulse feed mode all can not adapt to the cutting needs well; Specifically; When running into, can burn sample cut surface or cause feeding motor overload, grinding wheel damaged of feed at the uniform velocity than the position, huttriall, and adopt the pulse feed to have the low shortcoming of feed speed separately.
Summary of the invention
Technical problem to be solved by this invention is; A kind of intelligent feed control method of test specimen cutting press is provided,, in time adjusts feed mode, feed velocity through real-time detection feeding motor load; Both avoided burning sample cut surface, feeding motor overload do not influence cutting efficiency again.
It is following that the present invention solves the problems of the technologies described above the technical scheme that is adopted:
The intelligent feed control method of test specimen cutting press is characterized in that: in test specimen cutting press when work,, initial feeding is at the uniform velocity feed, and control device detects the operating current I of cutting motor in real time, and with the rated current I of operating current I and cutting motor
0Compare, as I>=1.3I
0, and lasting a period of time, control device output control signal is given the feeding motor, changes feed velocity or transfers feed mode to the pulse feed.
First kind of feed control model: as I>=1.3I
0, and lasting a period of time, control device output control signal is given the feeding motor, makes the feeding motor reduce a velocity step ladder; Work as I<i
0, and lasting a period of time, control device output control signal is given the feeding motor, makes velocity step ladder of feeding motor rising.
Second kind of feed control model: as I>=1.3I
0, and lasting a period of time, control device output control signal is given the feeding motor, makes the feeding motor reduce a velocity step ladder, converts feed mode into the pulse feed simultaneously.
The third feed control model: as I>=1.3I
0, and lasting a period of time, control device output control signal is given the feeding motor, makes the feeding motor reduce a velocity step ladder; Control device is also gathered feed velocity in real time, if feed velocity is lower than setting value, converts feed mode into the pulse feed.
Good effect of the present invention is:
Adopt control method of the present invention, when sample (such as metallographic specimen) cuts, adjust feed velocity, conversion feed mode automatically according to motor load.Guaranteed that cutting machine and dynamical system thereof are normal, efficient operation, and effectively protected the cutting sample.
The specific embodiment
Feed mode, feed velocity control embodiment below in conjunction with the metallographic specimen cutting machine further specify the present invention.
Embodiment one
During test specimen cutting press work; Initial feeding is at the uniform velocity feed; Detect the operating current I of cutting motor (promptly driving the cast-cutting saw slice motor rotating) in real time, and detected operating current is real-time transmitted to control device (such as single-chip microcomputer, PLC, micro computer, industrial computer).
Control device is with the operating current I that receives and the rated current I of cutting motor
0Compare, as I>=1.3I
0And lasting a period of time (the setting-up time section was such as 10 seconds), control device output control signal is given feeding motor (promptly driving the motor that saw blade or sample material advance); Make the feeding motor reduce a velocity step ladder (velocity step ladder of setting, such as every rank be initial velocity 20%).Work as I<i
0And lasting a period of time (the setting-up time section was such as 10 seconds), control device output control signal is given feeding motor (promptly driving the motor that saw blade or sample material advance); Make the feeding motor raise a velocity step ladder (velocity step ladder of setting, such as every rank be initial velocity 30%).
Embodiment two
During test specimen cutting press work; Initial feeding is at the uniform velocity feed; Detect the operating current I of cutting motor (promptly driving the cast-cutting saw slice motor rotating) in real time, and detected operating current is real-time transmitted to control device (such as single-chip microcomputer, PLC, micro computer, industrial computer).
Control device is with the operating current I that receives and the rated current I of cutting motor
0Compare, as I>=1.3I
0And (setting-up time section of lasting a period of time; Such as 10 seconds), control device output control signal is given feeding motor (promptly driving the motor that saw blade or sample material advance), makes the feeding motor reduce the velocity step ladder (velocity step ladder of setting; Such as every rank be initial velocity 20%), convert feed mode into pulse feed (such as the pulse feed mode of " advance three and move back ") simultaneously.
Embodiment three
During test specimen cutting press work; Initial feeding is at the uniform velocity feed; Detect the operating current I of cutting motor (promptly driving the cast-cutting saw slice motor rotating) in real time, and detected operating current is real-time transmitted to control device (such as single-chip microcomputer, PLC, micro computer, industrial computer).
Control device is with the operating current I that receives and the rated current I of cutting motor
0Compare, as I>=1.3I
0And lasting a period of time (the setting-up time section was such as 10 seconds), control device output control signal is given feeding motor (promptly driving the motor that saw blade or sample material advance); Make the feeding motor reduce a velocity step ladder (velocity step ladder of setting, such as every rank be initial velocity 20%).
Control device is also gathered feed velocity in real time, if feed velocity be lower than setting value (such as initial feed velocity 20%), convert feed mode into pulse feed (such as the pulse feed mode of " advance three and move back ").
Claims (4)
1. the intelligent feed control method of test specimen cutting press is characterized in that: during test specimen cutting press work, initial feeding is at the uniform velocity feed, and control device detects the operating current I of cutting motor in real time, and with the rated current I of operating current I and cutting motor
0Compare, as I>=1.3I
0, and lasting a period of time, control device output control signal is given the feeding motor, changes feed velocity or transfers feed mode to the pulse feed.
2. the intelligent feed control method of test specimen cutting press as claimed in claim 1 is characterized in that: as I>=1.3I
0, and lasting a period of time, control device output control signal is given the feeding motor, makes the feeding motor reduce a velocity step ladder; Work as I<i
0, and lasting a period of time, control device output control signal is given the feeding motor, makes velocity step ladder of feeding motor rising.
3. the intelligent feed control method of test specimen cutting press as claimed in claim 1 is characterized in that: as I>=1.3I
0, and lasting a period of time, control device output control signal is given the feeding motor, makes the feeding motor reduce a velocity step ladder, converts feed mode into the pulse feed simultaneously.
4. the intelligent feed control method of test specimen cutting press as claimed in claim 1 is characterized in that: as I>=1.3I
0, and lasting a period of time, control device output control signal is given the feeding motor, makes the feeding motor reduce a velocity step ladder; Control device is also gathered feed velocity in real time, if feed velocity is lower than setting value, converts feed mode into the pulse feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100860390A CN102601680A (en) | 2012-03-28 | 2012-03-28 | Intelligent feeding control method for sample cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100860390A CN102601680A (en) | 2012-03-28 | 2012-03-28 | Intelligent feeding control method for sample cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102601680A true CN102601680A (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100860390A Pending CN102601680A (en) | 2012-03-28 | 2012-03-28 | Intelligent feeding control method for sample cutting machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406876A (en) * | 2014-11-27 | 2015-03-11 | 成都惠锋金刚石工具有限公司 | Saw blade cutting performance test machine and test method thereof |
| CN105716921A (en) * | 2016-04-01 | 2016-06-29 | 莱州市蔚仪试验器械制造有限公司 | Step-wise tentative type automatic stop method of metallographic cutter |
| CN107283219A (en) * | 2016-03-31 | 2017-10-24 | 日立汽车系统（中国）有限公司 | A kind of cutting working method and device |
| CN110091435A (en) * | 2019-06-12 | 2019-08-06 | 成都易德莱斯科技有限公司 | Negative-feedback auto-control rope saw and regulation method |
| CN110935937A (en) * | 2019-12-20 | 2020-03-31 | 广州永胜钢铁制品有限公司 | Control monitoring system and method for steel pipe cutting machine |
| CN115415850A (en) * | 2022-09-16 | 2022-12-02 | 中达电子(江苏)有限公司 | Substrate dividing apparatus and dividing control method |
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| CN201109130Y (en) * | 2007-11-19 | 2008-09-03 | 胡明强 | Automatic cutting machine |
| CN101499763A (en) * | 2008-02-03 | 2009-08-05 | 苏州宝时得电动工具有限公司 | Controlling method for electric tool and electric tool executing the controlling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406876A (en) * | 2014-11-27 | 2015-03-11 | 成都惠锋金刚石工具有限公司 | Saw blade cutting performance test machine and test method thereof |
| CN107283219A (en) * | 2016-03-31 | 2017-10-24 | 日立汽车系统（中国）有限公司 | A kind of cutting working method and device |
| CN107283219B (en) * | 2016-03-31 | 2020-04-21 | 日立汽车系统（中国）有限公司 | Cutting method and device |
| CN105716921A (en) * | 2016-04-01 | 2016-06-29 | 莱州市蔚仪试验器械制造有限公司 | Step-wise tentative type automatic stop method of metallographic cutter |
| CN105716921B (en) * | 2016-04-01 | 2018-07-20 | 莱州市蔚仪试验器械制造有限公司 | A kind of metallographical cutter ladder exploration autostop method |
| CN110091435A (en) * | 2019-06-12 | 2019-08-06 | 成都易德莱斯科技有限公司 | Negative-feedback auto-control rope saw and regulation method |
| CN110935937A (en) * | 2019-12-20 | 2020-03-31 | 广州永胜钢铁制品有限公司 | Control monitoring system and method for steel pipe cutting machine |
| CN115415850A (en) * | 2022-09-16 | 2022-12-02 | 中达电子(江苏)有限公司 | Substrate dividing apparatus and dividing control method |
| CN115415850B (en) * | 2022-09-16 | 2024-03-22 | 中达电子(江苏)有限公司 | Substrate dividing apparatus and dividing control method |
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Application publication date: 20120725 |