CN101249615A - On-line control apparatus and control method of cutting temperature - Google Patents
On-line control apparatus and control method of cutting temperature Download PDFInfo
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- CN101249615A CN101249615A CNA2008100244706A CN200810024470A CN101249615A CN 101249615 A CN101249615 A CN 101249615A CN A2008100244706 A CNA2008100244706 A CN A2008100244706A CN 200810024470 A CN200810024470 A CN 200810024470A CN 101249615 A CN101249615 A CN 101249615A
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Abstract
The invention discloses an on-line control device of cutting-temperature and a control method of the same. Two cooling devices on the machine tool are respectively connected to a nozzle adjacent to a workpiece cutting area. A thermocouple is fixed on a workpiece adjacent to the cutting area, and the other end of the thermocouple is connected in series with the input end of a signal amplifier. The output end of the signal amplifier is connected with a data display. A gas proportional solenoid and a liquid proportional solenoid are respectively connected with the output end of a controller, and the input end of the controller is connected with the output end of signal amplifier and the input end of the data display. The online adaptive closed-loop feedback regulation on the two cooling devices through the controller can cool the temperature of the cutting area to the setting constant temperature, and the optimal values of the process parameters in the spray-cooling cutting can be obtained therefrom. The signal amplifier has the function of temperature compensation, so that the experimental temperature collected is correct and reliable. The controller has the advanced theory of intelligent fuzzy control, so that the control effect is accurate and real-time.
Description
Technical field
The present invention relates to a kind of device and the control method that can control cutting temperature, belong to the metal cutting technology field of machine-building.
Background technology
In metal cutting processing, can produce a large amount of heat in metal cuttings, thereby make cutting temperature rising, the cutting force of cutting region increase the tool wear aggravation, the whole working angles difficulty that becomes, and finally influence the productivity ratio etc. of surface quality, dimensional accuracy and the part processing of part to be processed.Therefore often needing to increase cooling fluid in machining cools off cutting, improves the cutting environment and reaches the purpose that improves the part processing surface quality.The method of the cool metal cutting region that adopts is that a cover Control device of liquid cooling is housed on lathe at present, when cutting, open the coolant pump in this device, make the cooling fluid in the cooler bin cool off workpiece through control valve and nozzle ejection, one cover air-cooling apparatus also is housed on lathe simultaneously, and the air compressor during cutting in this device sprays the cooling workpiece after air is compressed, cools off successively behind safety valve, stop valve, control valve and nozzle.This method can reduce cutting temperature effectively, reduce and pollute, but the defective of this process is: 1. different owing to being cut the materials processing complexity, the needs of cooling when cutting for satisfying, the operator controls the cutting region temperature by the size or the control air supply of control coolant rate, and this operation can only be adjusted threshold switch by rule of thumb.2. cutting ability instability.Cooling effect relates to technological parameters such as different medium, pressure, range, incidence angle when cutting, and especially in precision cutting, a constant working angles is very important.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, a kind of self adaptation On-line Control device of cutting temperature is provided, can adjust the technological parameter that influences chilling temperature automatically according to the spraying cooling effect.
Another object of the present invention provides a kind of On-Line Control Method of cutting temperature, can accurately control cutting temperature when operation.
The technical scheme that apparatus of the present invention adopt is: install on lathe that Control device of liquid cooling, a cover that a cover comprises that supply tank and liquid fraction magnetic valve are formed comprise that air compressor and gas proportion magnetic valve form air-cooling apparatus, two kinds of cooling devices are connected on respectively near on the nozzle of workpiece cutting region, stationary heat galvanic couple on the close workpiece of cutting region, the other end of thermocouple is connected with the input of signal amplifier; The output of signal amplifier connects data display equipment; Gas ratio magnetic valve and liquid fraction magnetic valve are connected the output of controller respectively, and the input of controller links to each other with the output of signal amplifier, and links to each other with the input of data display equipment.
The technical scheme that control method of the present invention adopts comprises in regular turn: a, by controller the cutting region temperature is set and to be not more than 100 ℃; B, the temperature value by the thermocouple measurement workpiece end face also are converted into the voltage signal of millivolt level, this voltage signal becomes the voltage signal of 0～5V through signal amplifier, the voltage signal of this 0～5V is divided into two-way, one the tunnel flows to controller, and another road flows to data display equipment and handles also display waveform and data; The deviation between the voltage signal that c, controller send here by judgement and the reference signal of setting and the rate of change of deviation are adjusted the aperture size of gas ratio magnetic valve and liquid fraction magnetic valve, make droplet spray on the end face of cutting region workpiece from jet hole; D, workpiece are after the droplet cooling, by thermocouple the real time temperature value after amplifying, signal amplifier is fed back to controller, controller divides two-way output after the temperature of temperature value of feedback and inner setting is compared processing again, one the tunnel is the control cable of the gas voltage control signal being exported to the gas ratio magnetic valve, another road is a control cable of the liquid voltage control signal being exported to the liquid fraction magnetic valve, finishes FEEDBACK CONTROL thus; E, when range L, incidence angle and the bleed pressure of adjusting workpiece, when perhaps changing workpiece material, should repeat above-mentioned steps a～d.
The present invention regulates the online adaptive closed loop feedback of two-way cooling device by controller, and the steady temperature that can be cooled to set to the temperature of cutting region can therefrom obtain the process parameter optimizing value in spraying cooling cutting simultaneously.Signal amplifier of the present invention has temperature compensation function, makes that the experimental temperature of gathering is correctly reliable; Controller has the advanced theoretical of Intelligent Fuzzy Control, makes that the control effect is accurately real-time.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the structure connection diagram of apparatus of the present invention;
Fig. 2 is the control principle figure of device shown in Figure 1;
Fig. 3 is the circuit theory connection layout of signal amplifier 6 among Fig. 1;
Fig. 4 is the circuit theory connection layout of temperature-compensation circuit I among Fig. 3;
Fig. 5 is the circuit theory connection layout of Fig. 1 middle controller 5.
The specific embodiment
As shown in Figure 1, a cover Control device of liquid cooling is installed on lathe, this Control device of liquid cooling comprises and will be connected near on the nozzle 8 of workpiece 9 cutting region after supply tank 3 and liquid fraction magnetic valve 4 serial connections.One cover air-cooling apparatus also is installed on lathe, and this air-cooling apparatus comprises and will be connected on the nozzle 8 after air compressor 1 and gas proportion magnetic valve 2 serial connections.Plastic tube with the body of can ventilating between air compressor 1 and the gas ratio magnetic valve 2 is connected; Supply tank 3 is storage tanks, it with liquid fraction magnetic valve 4 between be connected with the plastic tube that can lead to liquid; Nozzle 8 is the outer two streaming nozzles that mix, and the plastic tube with the body of can ventilating between its gas input port and the gas ratio magnetic valve 2 is connected, uses the plastic tube that can lead to liquid to be connected between while liquid inlet and the liquid fraction magnetic valve 4; Nozzle 8 is sandwiched on range and the incidence angle technological parameter adjuster; Thermocouple 7 is the K type, it comprises positive and negative two leads, the fixing welded together and fixing point of positive and negative two lead one ends is welded near on the workpiece 9 of cutting region, the position is near a side of exposed surface, and the other end of thermocouple 7 positive and negative two leads links to each other with the positive and negative input of signal amplification plate 6 respectively; Data display equipment 10 is made of A/D analog-to-digital conversion card and computer, and the input port of A/D analog-to-digital conversion card links to each other with the output port of signal amplifier 6, and the A/D analog-to-digital conversion card is inserted in the PCI slot of computer simultaneously; The input port of adaptive controller 5 links to each other with the output port that signal amplifies plate 6, and links to each other with the input port of data disaply moudle 10; The liquid control signal output of controller 5 links to each other with the control cable of liquid fraction magnetic valve 4, and the gas control signal output of controller 5 links to each other with the control cable of gas ratio magnetic valve 2.
As shown in Figure 2, device comprises gas, the supply of liquid two-way and two feedback control loops.Two-way is supplied with and is respectively air compressor 1, and it exports the gas of certain pressure P, and pressure is the gas of P ' after pressure are adjusted in 2 outputs of gas ratio magnetic valve, and this gas is sent into the gas ports of nozzle 8.The water of supply tank 3 output certain flow Q, flow is the water of Q ' after flow is adjusted in 4 outputs of liquid fraction magnetic valve, this water is sent into the fluid port of nozzle 8; Water and gas mix after nozzle atomization output gas-liquid mixture F sprays to workpiece 9, and the nozzle 8 of this moment has certain range L and incidence angle α.Workpiece 9 design temperatures are T, and gas-liquid mixture F sprays to the surface that workpiece 9 exposes, and the temperature of workpiece 9 will reduce, and obtain real time temperature T '.Two feedback control loops are respectively: temperature T ' send behind thermocouple 7 a millivolt magnitude voltage signals U
1, U
1Be enlarged into 0～5V voltage signal U through signal amplifier 6
2, U
2Show the processing that except that sending into data display equipment 10 will import controller 5 into, controller 5 is with U
2Handle the temperature T of back and inner setting
0Compare and handle back output 0～5V gas voltage control signal U
C1, U
C1Send into the control cable of gas ratio magnetic valve 2, changed gas pressure P ' after gas ratio magnetic valve 2 is adjusted aperture, P ' has changed F, and F has changed T ', and T ' has changed U
1, U
1Changed U
2, U
2Send into 5 again with T
0Compare output U
C1Finish one tunnel FEEDBACK CONTROL.Another road, temperature T ' behind thermocouple 7, send a millivolt magnitude voltage signals U
1, U
1Be enlarged into 0～5V voltage signal U through signal amplifier 6
2, U
2After sending into controller 5, with the expectation cutting region temperature T of setting
0 Back output 0～5V liquid voltage control signal U is handled in contrast
C2, U
C2Send into the control cable of liquid fraction magnetic valve 4, changed fluid flow Q ' after liquid fraction magnetic valve 4 is adjusted aperture, Q ' has changed F, and F has changed T ', and T ' has changed U
1, U
1Changed U
2, U
2Send into adaptive controller 5 again with T
0Compare output U
C2Finish another road FEEDBACK CONTROL.
As shown in Figure 3, signal amplifier 6 is by temperature-compensation circuit I, OP07 amplifying circuit II, and positive-negative power circuit I II constitutes.Wherein, OP07 amplifying circuit II is prevailing amplifying circuit, and positive-negative power circuit I II is general positive and negative 12V power supply.Signal amplifies two "+", "-" input U of plate 6
1Be to link to each other with the positive and negative end of thermocouple respectively, "+12V " links to each other the output " U of signal amplifier 6 with " GND " input with outside+12V voltage-stabilized power supply
2" and " GND " connect the signal feedback input of adaptive controller 5 respectively.Output line " the U of temperature-compensation circuit I
1+ Δ U ", " GND " connect among the OP07 amplifying circuit II reverse input end and input in the same way respectively; the power input of temperature-compensation circuit I and positive-negative power circuit I II all joins with "+12V " and " GND ", and "+the 12V " of positive-negative power circuit I II and " 12V " output line connect "+the 12V " of OP07 among the OP07 amplifying circuit II and the power supply input pin of " 12V " respectively.
As shown in Figure 4, temperature-compensation circuit I is by temperature sensor AD 590, voltage stabilizing chip MC1403 and R
1, R
2, R
3Resistance is formed.AD590 measures thermocouple cold junction and is that voltage signal is added on the cold junction holding wire by circuit conversion, and its power input "+" links to each other with "+12V ", compensates the input " U of electrical signal "-" and OP07 amplifying circuit II
1+ Δ U " link to each other, also pass through resistance R simultaneously
1, R
2" GND " links to each other with ground wire.The MC1403 chip provides the bias voltage of 2.5V to circuit, and its input pin " IN " links to each other with "+12V " port lines of outside+12V voltage-stabilized power supply, and its pin " GND " links to each other with the ground wire of circuit, its pin " OUT " and holding wire U
1"+" end link to each other and and R
3A pin links to each other R
3Another pin and the " U of OP07 amplifying circuit II
1+ Δ U " port links to each other.
As shown in Figure 5, the key circuit formed of the voltage follower, decoder CD4511, LED charactron, D/A digital to analog converter AD5300 and the button SW that are made up of single-chip microcomputer MC68HC908GR8, LM358 of controller 5 is formed.One end of 3 SW button pins connects and links to each other with ground wire, the other end of button respectively with PTE0, the PTE1 of single-chip microcomputer MC68HC908GR8 ,/the RST pin links to each other, the while PTE0, PTE1 ,/the RST pin passes through pull-up resistor R separately
4, R
5, R
6Link to each other with+5V power line.R
4, R
5, R
6Resistance all be 1K Ω.Holding wire " the U of signal amplifier 6 outputs
2" link to each other with the PTB3 pin of single-chip microcomputer MC68HC908GR8 by the voltage follower isolation back that constitutes by LM358.The control pin of 3 charactron LED links to each other with PTB0, PTB1, the PTB2 of single-chip microcomputer MC68HC908GR8 respectively, and its seven data input pin a, b, c, d, e, f, g link to each other with pin a, b, c, d, e, f, the g of CD4511 decoder respectively.Input pin A4, the A1 of CD4511 decoder, A2, A3 link to each other with PTA0, PTA1, PTA2, the PTA3 pin of single-chip microcomputer MC68HC908GR8 respectively.U
C1, U
C2Two output signals are that the Vout pin by D/A digital to analog converter AD5300 provides.U
C1Link to each other U with the control cable of liquid fraction magnetic valve 2
C2Link to each other with the control cable of gas ratio magnetic valve 4.The SCLK pin of two AD5300 links to each other and links to each other with the SPSCK of single-chip microcomputer MC68HC908GR8, and the DIN pin of two AD5300 also links to each other and links to each other with the MOSI pin of single-chip microcomputer MC68HC908GR8 simultaneously.Output U
C1AD5300 /the SYNC pin links to each other with the PTD5 pin of single-chip microcomputer MC68HC908GR8, and output U
C2AD5300 /the SYNC pin links to each other with the PTD6 pin of single-chip microcomputer MC68HC908GR8.
The hardware components of data display equipment 10 comprises minimalist configuration: Pentium 100CPU, and the 16MB internal memory, 4 times of fast CD-ROM drives, the 1GB hard drive space, the computer of Chinese Windows 9X/NT/2000 operating system and a model are the PCL-711B data collecting card; Software section is a data capture program interface of setting up on the GeniDAQ software platform.
Control method of the present invention is as follows: at first by controller 5 the cutting region temperature is set and be not more than 100 ℃, acquiescence is not 100 ℃ when the cutting region temperature is not set.Device is by two control path work, and one the tunnel is that air compressor 1 is exported with certain pressure, sends into nozzle 8 through gas ratio magnetic valve 2; Another road is that water is flowed out with certain flow by supply tank 3, sends into nozzle 8 through liquid fraction magnetic valve 4.Adjusting nozzle 5 ports as requested also fixes to the distance L of workpiece 9 upper surfaces, the angle [alpha] of adjusting between nozzle 8 spray line and workpiece 9 upper surfaces; Gas and water are injected in behind the mixed aerosol in nozzle on the test specimen upper surface of workpiece 9.Temperature value by thermocouple 7 measuring workpieces 9 upper surfaces also is converted into the voltage signal U of millivolt level
1, this voltage signal becomes the voltage signal U of 0～5V through signal amplifier 6
2The voltage signal of 0～5V is divided into two-way again, and one the tunnel flows to data display equipment 10 processes and displays on computers; One the tunnel flows to controller 5.The deviation between the signal that controller 5 is sent here by judgement and the reference signal of setting and the rate of change of deviation are controlled gas ratio magnetic valve 2 and liquid fraction magnetic valve 4 these two aperture sizes of often opening proportion magnetic valve in real time, and select suitable gas, liquid proportional.Suitable gas, liquid proportional converge at nozzle 8 places, spray to workpiece 9 upper surfaces from 8 mouthfuls of forms with droplet of nozzle; Because gas, liquid different proportion and the flow size is different to the test specimen cooling effect separately, thereby realize the purpose of workpiece 9 end face temperature stabilizations in the humidity province self-adapting closed loop FEEDBACK CONTROL of setting.Adjust range L, incidence angle α, bleed pressure, all must repeat above-mentioned steps after any one factor such as replacing material for test, whole process can demonstrate waveform, data by the data acquisition program in the data display equipment 10.Can just can obtain its optimal value by repeatedly comparing the same factor changing value, reach the optimum efficiency of finishing self adaptation cooling cutting.
In the process of whole device operation, signal amplifier 6 is 1 cutting region variation of temperature of interocclusal record value during with per 0.02 second, and these data are flowed to data display equipment 10 shows, handles; On the computer in the data display equipment 10 data acquisition software is arranged, the curve image of recorded data value and collection cutting region cooling procedure.
Below by several embodiment control method of the present invention is described in detail again.
The steps include:
1. the material selected for use of workpiece 9 is a titanium alloy; Atomizing medium is general pure running water, 20 ℃;
2. the cutting region temperature value by the expectation of button and LED display setting on controller 5;
3. adjust the range 35mm between nozzle 8 and workpiece 9 end faces; Incidence angle: 90 °; To reach respectively be 100 ℃ .150 ℃ .200 ℃ .250 ℃ to the temperature of workpiece 9 during cutting;
4.. open air compressor 1,20 ℃ of natural air temperature, pressure 0.4MPa, gas flow 0.28M be provided
3The gas of/min;
5. open supply tank 3, add the dose delivery atomizing of different water to the device cycle, the dosage of its different water number is respectively w1, w2, w3 from replacing between 0.612ml/min～6.56ml/min ... w12;
6. open the computer recording data in the data display equipment 10, obtain cooling effect the best, even the aqua amount of the cutting region cooling cutting temperature minimum rate of accumulation is respectively W4, W5, W6, W8 line; Corresponding aqua amount then is: 1.80ml/min, 2.4ml/min, 3.2ml/min, 4.2ml/min.
Therefrom can see the raising along with workpiece 9 temperature, the dosage of water is increasing when obtaining the temperature minimum rate of accumulation in the atomizing cooling; But when atomizing cooling in workpiece 9 each different temperatures district, the dosage of water is not always much better than lacking.Workpiece 9 is in each humidity province, and the dosage that makes the liquid that atomizes in cooling off undergo phase transition heat exchange is different; Should reach it and all undergo phase transition heat exchange, liquid dosages is maximum when making it all undergo phase transition heat exchange again, the best codomain of corresponding minor amount of water in the time of will finding the atomizing cooling; And this codomain also must adapt with its material place temperature corresponding " vaporization ability " (when certain material is in a certain temperature and is implemented the atomizing cooling, can make liquid dosages all undergoes phase transition the maximum ability of heat exchange in the atomizing).
The steps include:
1. the material selected for use of workpiece 9 is: nickel-base alloy; Atomizing medium is general pure running water, 10 ℃;
2. the cutting region temperature value by the expectation of button and LED display setting on controller 5,
3. the range of adjusting between nozzle 8 and workpiece 9 end faces is respectively 35mm.25mm.15mm; Incidence angle: 90 °, 250 ℃ of the temperature of workpiece 9 during cutting;
4.. open air compressor 1,10 ℃ of natural air temperature, pressure 0.3MPa, gas flow 0.28M be provided
3The gas of/min;
5. open supply tank 3, the dosage 5ml/min that adds water implements atomizing;
6. open the computer recording data in the data display equipment 10, recording back workpiece 9 temperature values that are cooled is respectively 37 ℃, 28 ℃, 23 ℃.
Therefrom can see under the same situation of pressure of the dosage of Alevaire, gas or flow, temperature, gas with the cutting region temperature value, change range and obtain that range 15mm records cutting region temperature value minimum under the above-mentioned condition, suitably adjust nozzle 8 ports make workpiece 9 to the distance of workpiece 9 upper surfaces cooling effect the best.
Claims (7)
1. the On-line Control device of a cutting temperature, on lathe, install Control device of liquid cooling, a cover that a cover comprises that supply tank (3) and liquid fraction magnetic valve (4) are formed comprise air compressor (1) and gas proportion magnetic valve (2) composition air-cooling apparatus, two kinds of cooling devices are connected on respectively near on the nozzle (8) of workpiece (9) cutting region, it is characterized in that: go up stationary heat galvanic couple (7) at the workpiece (9) near cutting region, the other end of thermocouple (7) is connected with the input of signal amplifier (6); The output of signal amplifier (6) connects data display equipment (10); Gas ratio magnetic valve (2) and liquid fraction magnetic valve (4) are connected the output of controller (5) respectively, and the input of controller (5) links to each other with the output of signal amplifier (6), and links to each other with the input of data display equipment (10).
2. the On-line Control device of a kind of cutting temperature according to claim 1, it is characterized in that: described signal amplifier (6) is by the temperature-compensation circuit (I) that connects thermocouple (7), the amplifying circuit (II) and the positive-negative power circuit (III) that connect controller (5) constitute, wherein the output line of temperature-compensation circuit (I) connects in the amplifying circuit (II) reverse input end and input in the same way respectively, temperature-compensation circuit (I) power input inserts the power input of positive-negative power circuit (III), the output line of positive-negative power circuit (III) connects amplifying circuit (II), as its power supply input.
3. the On-line Control device of a kind of cutting temperature according to claim 2, it is characterized in that: described temperature-compensation circuit (I) is by temperature sensor, voltage stabilizing chip and resistance R
1, R
2, R
3Form, with the resistance R that the power input of temperature sensor links to each other with positive-negative power circuit (III), the output of temperature sensor links to each other with the input of amplifying circuit (II) and passes through to be connected in series
1, R
2Ground connection; The input of voltage stabilizing chip links to each other with the positive-negative power circuit (III) of outside, and resistance R is passed through in the output of voltage stabilizing chip
3Insert amplifying circuit (II).
4. the On-line Control device of a kind of cutting temperature according to claim 1, it is characterized in that: described controller (5) comprises the voltage follower that is connected into by single-chip microcomputer and voltage transport and placing device, on single-chip microcomputer, also be connected with decoder, LED charactron and two digital to analog converters and button, two input ports of voltage transport and placing device are linked to each other with the output port of signal amplifier (6), two output ports that are connected on two digital to analog converters are linked to each other with gas ratio magnetic valve (2), liquid fraction magnetic valve (4) respectively.
5. the On-Line Control Method of a cutting temperature is characterized in that comprising the steps: in regular turn
A, by controller (5) the cutting region temperature is set and to be not more than 100 ℃;
B, the temperature value by thermocouple (7) measuring workpieces (9) end face also are converted into the voltage signal of millivolt level, this voltage signal becomes the voltage signal of 0～5V through signal amplifier (6), the voltage signal of this 0～5V is divided into two-way, one the tunnel flows to controller (5), and another road flows to data display equipment (10) and handles also display waveform and data;
The deviation between the voltage signal that c, controller (5) send here by judgement and the reference signal of setting and the rate of change of deviation are adjusted the aperture size of gas ratio magnetic valve (2) and liquid fraction magnetic valve (4), and droplet mouthful is sprayed on the end face of cutting region workpiece (9) from nozzle (8);
D, workpiece (9) are after the droplet cooling, by thermocouple (7) the real time temperature value after amplifying, signal amplifier (6) is fed back to controller (5), controller (5) divides two-way output after the temperature of temperature value of feedback and inner setting is compared processing again, one the tunnel is the control cable of the gas voltage control signal being exported to gas ratio magnetic valve (2), another road is a control cable of the liquid voltage control signal being exported to liquid fraction magnetic valve (4), finishes FEEDBACK CONTROL thus;
E, when range L, incidence angle or the bleed pressure of adjusting workpiece (9), when perhaps changing the material of workpiece (9), should repeat above-mentioned steps a～d.
6. the On-Line Control Method of a kind of cutting temperature according to claim 5 is characterized in that: signal amplifier (6) is 1 cutting region variation of temperature of interocclusal record value during with per 0.02 second.
7. the On-Line Control Method of a kind of cutting temperature according to claim 5, it is characterized in that: data display equipment (10) is furnished with data acquisition software, record data value and gather the curve image of cutting region cooling procedure.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100244706A CN101249615A (en) | 2008-03-21 | 2008-03-21 | On-line control apparatus and control method of cutting temperature |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799662A (en) * | 2010-04-08 | 2010-08-11 | 南昌航空大学 | Cutting process temperature fuzzy control system |
| CN102029551A (en) * | 2010-11-18 | 2011-04-27 | 长沙理工大学 | Lubricating and cooling method for cutting process and device thereof |
| CN102161167A (en) * | 2011-01-21 | 2011-08-24 | 华南理工大学 | Method and device of wirelessly outputting thermoelectric force signal for multi-point temperature measuring of rotator |
| CN102528855A (en) * | 2012-01-16 | 2012-07-04 | 中国林业科学研究院木材工业研究所 | Multi-saw blade sawing and cooling system of woods and bamboos |
| CN106054803A (en) * | 2016-06-01 | 2016-10-26 | 大连理工大学 | Appropriate-temperature cutting real-time control method of composite material |
| CN107813190A (en) * | 2016-09-13 | 2018-03-20 | 财团法人工业技术研究院 | Processing constant temperature control system and utilization method thereof |
| CN108608016A (en) * | 2018-04-27 | 2018-10-02 | 北京科技大学 | A kind of discrimination method and its system of electro spindle rapid warm raising |
| CN111251062A (en) * | 2020-03-13 | 2020-06-09 | 常州机电职业技术学院 | Cooling device for intelligent mechanical lathe machining |
| CN114799057A (en) * | 2022-05-23 | 2022-07-29 | 南京航空航天大学 | Temperature feedback control device and method for numerical control forming of frozen sand mold |
| CN115122148A (en) * | 2022-06-16 | 2022-09-30 | 上海工程技术大学 | Low-temperature micro-lubricating system with temperature regulation function |
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- 2008-03-21 CN CNA2008100244706A patent/CN101249615A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799662A (en) * | 2010-04-08 | 2010-08-11 | 南昌航空大学 | Cutting process temperature fuzzy control system |
| CN102029551A (en) * | 2010-11-18 | 2011-04-27 | 长沙理工大学 | Lubricating and cooling method for cutting process and device thereof |
| CN102161167A (en) * | 2011-01-21 | 2011-08-24 | 华南理工大学 | Method and device of wirelessly outputting thermoelectric force signal for multi-point temperature measuring of rotator |
| CN102528855A (en) * | 2012-01-16 | 2012-07-04 | 中国林业科学研究院木材工业研究所 | Multi-saw blade sawing and cooling system of woods and bamboos |
| CN106054803A (en) * | 2016-06-01 | 2016-10-26 | 大连理工大学 | Appropriate-temperature cutting real-time control method of composite material |
| CN107813190A (en) * | 2016-09-13 | 2018-03-20 | 财团法人工业技术研究院 | Processing constant temperature control system and utilization method thereof |
| US10406643B2 (en) | 2016-09-13 | 2019-09-10 | Industrial Technology Research Institute | Machining thermostatic control system and method of using the same |
| CN108608016A (en) * | 2018-04-27 | 2018-10-02 | 北京科技大学 | A kind of discrimination method and its system of electro spindle rapid warm raising |
| CN111251062A (en) * | 2020-03-13 | 2020-06-09 | 常州机电职业技术学院 | Cooling device for intelligent mechanical lathe machining |
| CN114799057A (en) * | 2022-05-23 | 2022-07-29 | 南京航空航天大学 | Temperature feedback control device and method for numerical control forming of frozen sand mold |
| CN115122148A (en) * | 2022-06-16 | 2022-09-30 | 上海工程技术大学 | Low-temperature micro-lubricating system with temperature regulation function |
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