CN102556766A - Tension control device - Google Patents

Tension control device Download PDF

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Publication number
CN102556766A
CN102556766A CN2011104617971A CN201110461797A CN102556766A CN 102556766 A CN102556766 A CN 102556766A CN 2011104617971 A CN2011104617971 A CN 2011104617971A CN 201110461797 A CN201110461797 A CN 201110461797A CN 102556766 A CN102556766 A CN 102556766A
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CN
China
Prior art keywords
roll
motor
wind
winding
control
Prior art date
Application number
CN2011104617971A
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Chinese (zh)
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CN102556766B (en
Inventor
曾逸
王晓刚
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深圳众为兴技术股份有限公司
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Priority to CN 201110461797 priority Critical patent/CN102556766B/en
Publication of CN102556766A publication Critical patent/CN102556766A/en
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Publication of CN102556766B publication Critical patent/CN102556766B/en

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Abstract

The invention relates to a tension control device, which comprises a control device, an unwinding roll, a winding roll, a fastening slot, a tension roll and a roll diameter detecting device. The unwinding roll and the winding roll are respectively driven by a motor, and two ends of the tension roll are arranged in the fastening slot and capable of floating vertically. The control device comprises an information input unit, a data computing unit and an information output unit, wherein the data computing unit is used for integrating input roll diameter information of the unwinding roll and the winding roll and performing interpolation computing to rotating positions of motors when strip rolls of the unwinding roll and the winding roll are wound by the distance L each time to guarantee winding linear speed to be identical. The control device is respectively connected with an unwinding roll motor and a winding roll motor electrically, the roll diameter detecting device is connected with the control device electrically, and the strip rolls wound on the unwinding roll are wound on the winding roll through the tension roll. The tension control device has the advantages of simplicity in control manner, easiness in realizing, high control accuracy and fine system running stability.

Description

A kind of tenslator
Technical field
The present invention relates to the control technology field, particularly relate to a kind of control setup of tension force.
Background technology
Tension Control is widely used in the production reality of all trades and professions, generally adopts in the prior art:
1, DC control (DC speed regulation, DC injection braking), characteristics are to come adjustment of tonicity output through the braking amount that adjusting unreels motor.Shortcoming is that direct current mechanical drive net synchronization capability is undesirable, can't realize permanent linear speed, permanent tension force, and is especially outstanding to the large package situation.
2, fluid control (Hydraulic Station, flow proportion valve), characteristics are to come adjustment of tonicity output through the flow proportion valve that adjusting unreels motor.Existing problems one are homemade hydraulic part sealing property, poor reliability.The 2nd, though the reliable in quality of import, price is high, spare part is difficult.
3, variable frequency control, service precision is higher, but it is a speed control; The variables of considering is more, especially in the acceleration and deceleration operational process owing to increased physical quantitys such as angular acceleration, inertia, and be nonlinearities change; Increased the control difficulty of system; Need monitor in real time system's acceleration and moderating process, the revised theory parameter just can be implemented in the permanent tension force in the error limit through test of many times.
4, at present each Tension Control to be mostly that let off roll and wind-up roll are all cylindrical, can not tackle multiple situation in the practical application, certain limitation is arranged.
Summary of the invention
For overcoming the above problems, the present invention provides a kind of tenslator,
Said tenslator comprises:
Control setup, let off roll, wind-up roll, draw-in groove, jockey pulley, volume footpath detecting device;
Said volume footpath detecting device is used for the detection to let off roll and/or wind-up roll volume footpath;
Said let off roll and wind-up roll are by the difference motor-driven, and said jockey pulley two ends are positioned at draw-in groove and can fluctuate;
Said control setup comprises:
Information input unit is used to import required computing information;
The data computation unit, the let off roll and the wind-up roll volume footpath information that are used for comprehensive input are carried out interpolation operation to let off roll and wind-up roll roll coil of strip winding L apart from position and winding wrap wire speed that motor rotated, unreel consistent with the rolling linear velocity in the winding process;
Information output unit, the location information that is used for the data calculating unit is carried out interpolation operation gained motor rotation is exported to let off roll motor and wind-up roll motor respectively;
Said control setup is electrically connected with let off roll motor and wind-up roll motor respectively, and said volume footpath detecting device is electrically connected with control setup, and the winding of twining on the let off roll is wound on the wind-up roll through jockey pulley.
Further said motor is servomotor or stepping motor.
Further said data computation unit can be motion control card or motion controller or interpolator or bus controller.
Further said tenslator also comprises position detecting device, is used for the position probing that fluctuates to jockey pulley; And be electrically connected with control setup, be used for giving control setup with the change in location message feedback; Wherein said position detecting device connects warning device, is used for the output of reporting to the police of unusual tension information.
Further said L value can be passed through the information input unit setting.
Further said let off roll is cylindrical, and wind-up roll is an elliptical cylinder-shape or cylindrical.
Further said let off roll and wind-up roll motor also have coder; And be electrically connected with control setup; Be used for detecting immediately the motor position of rotation; And immediate feedback should reach the position with said data computation unit through the rotation of interpolation operation transmission location information rear motor and compare analysis, thereby further adjust the motor rotary position information to control setup.
Further said tenslator can be integral structure or split-type structural.
The control method of said tenslator is:
The winding of twining on the let off roll is wrapped on the wind-up roll through jockey pulley; Jockey pulley is positioned on the ribbon; Information input unit receives the volume footpath data of let off roll and/or wind-up roll; Send to the data computation unit, the data computation unit draws the position of the required rotation of belt length L motor that is fastened and sends to let off roll and wind-up roll motor respectively through information output unit through interpolation operation, controls the operation of two motors.
Wherein the volume of let off roll and wind-up roll footpath can draw through measurement and calculation mode, thereby realizes the tension force accuracy control.
The present invention also provides a kind of tension control method.
Said tension control method comprises the steps:
Step 1, winding unreel through let off roll, through jockey pulley, after be wound on the wind-up roll;
Step 2, obtain let off roll and wind-up roll original volume footpath;
Step 3, obtain time dependent instant volume footpath in let off roll and/or the wind-up roll winding winding process;
Input information in step 4, comprehensive step 2 and the step 3 carries out interpolation operation, calculate respectively the every winding of winding L apart from the time let off roll and wind-up roll motor position of rotation and the linear velocity that unreels in the winding process with rolling is consistent; Export to let off roll motor and wind-up roll motor respectively through information output unit then;
Step 5, let off roll motor and wind-up roll motor turn round according to the information of being exported in the step 4.
Let off roll motor described in the further step 5 and wind-up roll motor are stepping motor and servomotor.
Let off roll described in the further step 2 is cylindrical, and wind-up roll is an elliptical cylinder-shape.
Let off roll described in the further step 2 and wind-up roll all are cylindrical.
Time dependent instant volume footpath can measure respectively through position detecting device in let off roll described in the further step 3 and the wind-up roll winding winding process.
Interpolation operation described in the further step 4 is that interpolator carries out motor rotation required pulse calculating or bus controller carries out motor swing circle position calculation.
Original volume footpath and winding THICKNESS CALCULATION before time dependent instant volume footpath can begin to twine through known let off roll and wind-up roll in let off roll described in the further step 3 and the wind-up roll winding winding process are learnt.
Interpolation operation described in the further step 4 also comprises comprehensive analyses and the deviation calculation to the jockey pulley change in location information of position detecting device feedback; Wherein position detecting device is electrically connected with warning device, the alarm message when exportable tension force is unusual.
L value in the further said step 4 can be provided with.
Interpolation operation described in the further step 4 comprises that also through coder the position probing data of let off roll and wind-up roll motor and former interpolation operation being sent the required position of location information rear motor compares.
Beneficial effect of the present invention is:
1, mode is simple, realizes that easily, control accuracy is high;
2, system's good operation stability.
Description of drawings
Fig. 1 is the structural representation of tenslator;
Fig. 2 is the draw-in groove structural representation.
Among the figure: 1, do not twine winding let off roll 2, be tied with the let off roll of winding
3, be not tied with winding wind-up roll 4, be tied with the wind-up roll of winding
5, jockey pulley 6, draw-in groove 7, position transduser 8, measurement of film reel diameter device
The specific embodiment
The control principle of tenslator and tension control method is following:
ω 1The expression let off roll unreels the radian that L length motor turns over constantly;
ω 2The radian that expression wind-up roll rolling constantly L length motor turns over;
P 1The expression let off roll motor required pulse sum that sends that rotates a circle, The expression let off roll unreels L apart from the required given pulse count of motor;
P 2The expression wind-up roll motor required pulse sum that sends that rotates a circle, The required given pulse count of expression wind-up roll rolling L distance;
L representes the distance that unreels set;
ω 1 2 π = P 1 / P 1
ω 2 2 π = P 2 / P 2
Can know by following formula, in winding process, twine L distance time dependent radian separately, can draw let off roll and wind-up roll and twine the required pulse number that L rotates apart from motor as long as draw let off roll and wind-up roll.
And for circle and oval known L arc length, below pairing angular relationship is:
Have for circle: L=ω R, R are radius of circle, and ω is a radian
Have for ellipse:
If oval last 2 P (x 1, y 1) and Q (x 2, y 2) cooresponding eccentric angle is respectively α, β, major axis is a, minor axis is b,
P point substitution elliptic equation is had: x 1 = a Cos α y 1 = b Sin α
So the eccentric angle that P is ordered is:
In like manner can obtain the eccentric angle that Q is ordered:
Character according to ellipse: a 2-b 2=c 2,
And the definition of oval eccentricity: e is an eccentricity
Can get:
L PQ = a ∫ β α 1 - e 2 sin 2 θ dθ = a ∫ arcsin X 2 a arcsin X 1 a 1 - e 2 sin 2 θ dθ
= a [ E ( e , arcsin X 1 a ) - E ( e , arcsin X 2 a ) ]
Can know that known definite arc length can calculate circle and oval corresponding radian.
For overcoming the above problems, the present invention provides a kind of tenslator,
Said tenslator comprises:
Control setup, let off roll, wind-up roll, draw-in groove, jockey pulley, volume footpath detecting device;
Said volume footpath detecting device is used for the detection to let off roll and/or wind-up roll volume footpath;
Said let off roll and wind-up roll are by the difference motor-driven, and said jockey pulley two ends are positioned at draw-in groove and can fluctuate;
Said control setup comprises:
Information input unit is used to import required computing information;
The data computation unit, the let off roll and the wind-up roll volume footpath information that are used for comprehensive input are carried out interpolation operation to let off roll and wind-up roll roll coil of strip winding L apart from position and winding wrap wire speed that motor rotated, unreel consistent with the rolling linear velocity in the winding process;
Information output unit, the location information that is used for the data calculating unit is carried out interpolation operation gained motor rotation is exported to let off roll motor and wind-up roll motor respectively;
Said control setup is electrically connected with let off roll motor and wind-up roll motor respectively, and said volume footpath detecting device is electrically connected with control setup, and the winding of twining on the let off roll is wound on the wind-up roll through jockey pulley.
Further said motor is servomotor or stepping motor.
Further said data computation unit can be motion control card or motion controller or interpolator or bus controller.
Further said tenslator also comprises position detecting device, is used for the position probing that fluctuates to jockey pulley; And be electrically connected with control setup, be used for giving control setup with the change in location message feedback; Wherein said position detecting device connects warning device, is used for the output of reporting to the police of unusual tension information.
Further said L value can be passed through the information input unit setting.
Further said let off roll is cylindrical, and wind-up roll is an elliptical cylinder-shape or cylindrical.
Further said let off roll and wind-up roll motor also have coder; And be electrically connected with control setup; Be used for detecting immediately the motor position of rotation; And immediate feedback should reach the position with said data computation unit through the rotation of interpolation operation transmission location information rear motor and compare analysis, thereby further adjust the motor rotary position information to control setup.
Further said tenslator can be integral structure or split-type structural.
The control method of said tenslator is:
The winding of twining on the let off roll is wrapped on the wind-up roll through jockey pulley; Jockey pulley is positioned on the ribbon; Information input unit receives the volume footpath data of let off roll and/or wind-up roll; Send to the data computation unit, the data computation unit draws the position of the required rotation of belt length L motor that is fastened and sends to let off roll and wind-up roll motor respectively through information output unit through interpolation operation, controls the operation of two motors.
Wherein the volume of let off roll and wind-up roll footpath can draw through measurement and calculation mode, thereby realizes the tension force accuracy control.
The present invention also provides a kind of tension control method.
Said tension control method comprises the steps:
Step 1, winding unreel through let off roll, through jockey pulley, after be wound on the wind-up roll;
Step 2, obtain let off roll and wind-up roll original volume footpath;
Step 3, obtain time dependent instant volume footpath in let off roll and/or the wind-up roll winding winding process;
Input information in step 4, comprehensive step 2 and the step 3 carries out interpolation operation, calculate respectively the every winding of winding L apart from the time let off roll and wind-up roll motor position of rotation and the linear velocity that unreels in the winding process with rolling is consistent; Export to let off roll motor and wind-up roll motor respectively through information output unit then;
Step 5, let off roll motor and wind-up roll motor turn round according to the information of being exported in the step 4.
Let off roll motor described in the further step 5 and wind-up roll motor are stepping motor and servomotor.
Let off roll described in the further step 2 is cylindrical, and wind-up roll is an elliptical cylinder-shape.
Let off roll described in the further step 2 and wind-up roll all are cylindrical.
Time dependent instant volume footpath can measure respectively through position detecting device in let off roll described in the further step 3 and the wind-up roll winding winding process.
Interpolation operation described in the further step 4 is that interpolator carries out motor rotation required pulse calculating or bus controller carries out motor swing circle position calculation.
Original volume footpath and winding THICKNESS CALCULATION before time dependent instant volume footpath can begin to twine through known let off roll and wind-up roll in let off roll described in the further step 3 and the wind-up roll winding winding process are learnt.
Interpolation operation described in the further step 4 also comprises comprehensive analyses and the deviation calculation to the jockey pulley change in location information of position detecting device feedback; Wherein position detecting device is electrically connected with warning device, the alarm message when exportable tension force is unusual.
L value in the further said step 4 can be provided with.
Interpolation operation described in the further step 4 comprises that also through coder the position probing data of let off roll and wind-up roll motor and former interpolation operation being sent the required position of location information rear motor compares.
Embodiment one
At let off roll and wind-up roll all is under the situation of cylinder; The measurement of film reel diameter device is installed in the outside at let off roll and wind-up roll; Can measure the instant volume footpath changing value of let off roll and wind-up roll immediately; And send the data computation unit to through information input unit; The data computation unit through interpolation operation draw let off roll and wind-up roll whenever be fastened L apart from the time required pulse count and then send to let off roll motor and wind-up roll motor through information output unit, and then realize the accuracy control of tension force through the position relation.
Embodiment two.
At let off roll is cylindrical; Wind-up roll is under the cylindroid situation; Wind-up roll starts by fixing position; The measurement of film reel diameter device is installed in the outside at let off roll; At the transverse of wind-up roll and the outside of minor axis the measurement of film reel diameter device is installed; Can measure the instant volume footpath changing value of let off roll and wind-up roll immediately; And send the data computation unit to through information input unit, the data computation unit through interpolation operation draw let off roll and wind-up roll whenever be fastened L apart from the time required pulse count and then send to let off roll motor and wind-up roll motor through information output unit, and then realize the accuracy control of tension force through the position relation.
Embodiment three,
The initial volume footpath and the winding thickness of known let off roll and wind-up roll; Through calculating the volume footpath changing value that to learn let off roll and wind-up roll; And send the data computation unit to through information input unit; The data computation unit through interpolation operation draw let off roll and wind-up roll whenever be fastened L apart from the time required pulse count and then send to let off roll motor and wind-up roll motor through information output unit, and then realize the accuracy control of tension force through the position relation.
Embodiment four
Installation site sensor on jockey pulley; Instant variation of calculating tension force; And feed back to information input unit and be transferred to the data computation unit; And then respectively the interpolation operation data among embodiment one or embodiment two or the embodiment three are compared and deviation calculation, and then pulse count is sent to let off roll motor and wind-up roll motor through information output unit, and then realize the accuracy control of tension force through the position relation.
Embodiment five
On let off roll and wind-up roll motor, coder is installed, is used for detecting the motor rotation position immediately, and feeds back to control setup, send the required position of pulse by said data computation unit and said interpolation operation and compare analysis, thereby further adjust pulse count.
Embodiment six
Interpolation operation in embodiment one, embodiment two, embodiment three, embodiment four, embodiment five also can be for being calculated the motor position of rotation of let off roll and the every winding of wind-up roll motor winding L distance by the bus controller process; And this location information directly sent to let off roll motor and wind-up roll motor, thereby the running of control motor.
Like Fig. 1, Fig. 2, tenslator of the present invention and tension control method can be used for but be not limited to the Tension Control in the lithium cell manufacturing.
Although reference implementation example and accompanying drawing; A kind of tenslator of the present invention and tension control method are illustrated; But above-mentioned disclosed content only is in order better to understand the present invention; Rather than limit the scope of claim by any way, so all according to the described structure of patent claim of the present invention, characteristic and principle do etc. change or modify, include in protection scope of the present invention.

Claims (10)

1. a tenslator is characterized in that, said tenslator comprises:
Said tenslator comprises:
Control setup, let off roll, wind-up roll, draw-in groove, jockey pulley, volume footpath detecting device;
Said volume footpath detecting device is used for the detection to let off roll and wind-up roll volume footpath;
Said let off roll and wind-up roll are by the difference motor-driven, and said jockey pulley two ends are positioned at draw-in groove and can fluctuate;
Said control setup comprises:
Information input unit is used to import required computing information;
The data computation unit; The let off roll that is used for comprehensive input and wind-up roll volume directly information carry out interpolation operation to let off roll and the wind-up roll winding L that whenever is fastened apart from position and winding wrap wire speed that motor rotated, unreel consistent with the rolling linear velocity in the winding process;
Information output unit is used for that the data calculating unit is carried out interpolation operation gained motor rotation information and exports to let off roll motor and wind-up roll motor respectively;
Said control setup is electrically connected with let off roll motor and wind-up roll motor respectively, and said volume footpath detecting device is electrically connected with control setup, and the winding of twining on the let off roll is wound on the wind-up roll through jockey pulley.
2. tenslator as claimed in claim 1 is characterized in that: said motor is servomotor or stepping motor.
3. tenslator as claimed in claim 1 is characterized in that: said data computation unit is motion control card or motion controller or interpolator or bus controller.
4. like claim 1,2 or 3 described tenslators, it is characterized in that: said tenslator also comprises position detecting device, is used for the position probing that fluctuates to jockey pulley; And be electrically connected with control setup, be used for giving control setup with the change in location message feedback; Wherein said position detecting device connects warning device, is used for the output of reporting to the police of unusual tension information.
5. like claim 1,2 or 3 described tenslators, it is characterized in that: said L value can be passed through the information input unit setting.
6. like claim 1,2 or 3 described tenslators, it is characterized in that: said let off roll is cylindrical, and wind-up roll is an elliptical cylinder-shape.
7. like claim 1,2 or 3 described tenslators, it is characterized in that: said let off roll and let off roll are cylindrical.
8. tenslator as claimed in claim 6 is characterized in that: said volume footpath detecting device is used for the measurement to transverse and minor axis when measuring wind-up roll volume footpath.
9. like claim 1,2 or 3 described tenslators; It is characterized in that: said let off roll and wind-up roll motor also have coder; And be electrically connected with control setup, be used for detecting the motor position of rotation immediately, and control setup is given in immediate feedback; Should reach the position with said data computation unit through the rotation of interpolation operation transmission location information rear motor and compare analysis, thereby further adjust the motor rotary position information.
10. like claim 1,2 or 3 described tenslators, it is characterized in that said tenslator is used for the Tension Control that lithium cell is made.
CN 201110461797 2011-12-23 2011-12-23 Tension control device CN102556766B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102556766B CN102556766B (en) 2013-08-21

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105293161A (en) * 2015-10-14 2016-02-03 苏州惠斯福自动化科技有限公司 Automatic wire feeder
CN107272758A (en) * 2017-08-01 2017-10-20 深圳市雷赛控制技术有限公司 The method for improving and device of spooling equipment efficiency and stationarity
CN107381241A (en) * 2017-06-06 2017-11-24 广东天机工业智能系统有限公司 Pad pasting speed change gear
CN108376610A (en) * 2017-06-29 2018-08-07 信丰县弘业电子有限公司 A kind of chip inductor coil winding machine
CN108750765A (en) * 2018-04-16 2018-11-06 青岛国轩电池有限公司 A kind of strip coil is around with tension balance device and its control system
CN110588184A (en) * 2019-09-29 2019-12-20 深圳弘博智能数码设备有限公司 Printing apparatus
CN111137745A (en) * 2019-12-26 2020-05-12 江苏中畅精密科技有限公司 Tension control device for diamond wire saw production

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US3982160A (en) * 1974-03-14 1976-09-21 Rca Corporation System for controlling tension of magnetic tape
JPH04292379A (en) * 1991-03-19 1992-10-16 Mitsubishi Electric Corp Tension control device
JPH09164524A (en) * 1995-12-18 1997-06-24 Tokyo Seimitsu Co Ltd Running condition judging device of wire saw
CN2650301Y (en) * 2003-07-04 2004-10-20 北方工业大学 Intelligent wire coiling-uncoiling machine
CN202390001U (en) * 2011-12-23 2012-08-22 深圳众为兴技术股份有限公司 Tension control device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982160A (en) * 1974-03-14 1976-09-21 Rca Corporation System for controlling tension of magnetic tape
JPH04292379A (en) * 1991-03-19 1992-10-16 Mitsubishi Electric Corp Tension control device
JPH09164524A (en) * 1995-12-18 1997-06-24 Tokyo Seimitsu Co Ltd Running condition judging device of wire saw
CN2650301Y (en) * 2003-07-04 2004-10-20 北方工业大学 Intelligent wire coiling-uncoiling machine
CN202390001U (en) * 2011-12-23 2012-08-22 深圳众为兴技术股份有限公司 Tension control device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105293161A (en) * 2015-10-14 2016-02-03 苏州惠斯福自动化科技有限公司 Automatic wire feeder
CN105293161B (en) * 2015-10-14 2018-01-19 苏州惠斯福自动化科技有限公司 Automatic wire feeder
CN107381241A (en) * 2017-06-06 2017-11-24 广东天机工业智能系统有限公司 Pad pasting speed change gear
CN107381241B (en) * 2017-06-06 2019-02-22 广东天机工业智能系统有限公司 Pad pasting speed change gear
CN108376610A (en) * 2017-06-29 2018-08-07 信丰县弘业电子有限公司 A kind of chip inductor coil winding machine
CN107272758A (en) * 2017-08-01 2017-10-20 深圳市雷赛控制技术有限公司 The method for improving and device of spooling equipment efficiency and stationarity
CN107272758B (en) * 2017-08-01 2020-08-07 深圳市雷赛控制技术有限公司 Method and device for improving efficiency and stability of winding equipment
CN108750765A (en) * 2018-04-16 2018-11-06 青岛国轩电池有限公司 A kind of strip coil is around with tension balance device and its control system
CN108750765B (en) * 2018-04-16 2020-04-14 青岛国轩电池有限公司 Tension balancing device for winding strip and control system thereof
CN110588184A (en) * 2019-09-29 2019-12-20 深圳弘博智能数码设备有限公司 Printing apparatus
CN111137745A (en) * 2019-12-26 2020-05-12 江苏中畅精密科技有限公司 Tension control device for diamond wire saw production

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Effective date of registration: 20170929

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