CN104219886A - Printed circuit board labeling system and operating method thereof - Google Patents
Printed circuit board labeling system and operating method thereof Download PDFInfo
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- CN104219886A CN104219886A CN201410388312.4A CN201410388312A CN104219886A CN 104219886 A CN104219886 A CN 104219886A CN 201410388312 A CN201410388312 A CN 201410388312A CN 104219886 A CN104219886 A CN 104219886A
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Abstract
The invention relates to a labeling machine, in particular to a labeling machine applicable to printed circuit boards and discloses a printed circuit board labeling system and an operating method thereof. The printed circuit board labeling system comprises a control portion, a driving portion, an execution portion and a detection portion. The control portion comprises a control cabinet, and a PLC (programmable logic controller) is mounted on a control circuit board which is mounted in the control cabinet; the driving portion comprises a servo driving system; the execution portion comprises a ball screw, an air cylinder, a slider and a sucker; the detection portion comprises a travel switch and a position sensor. The PLC of the control portion is connected with a servo drive in the driving portion through a communication cable. By means of conversion of rotational motion of the servo motor into linear motion, positioning precision of the whole system is improved by taking the advantages of high transmission efficiency and high positioning precision of the ball screw and by cooperation of the servo driving system, and the system can be more precise.
Description
Technical field
A kind of printed circuit board (PCB) labeling system of the present invention and method of work thereof relate to a kind of labelling machine, particularly a kind of labelling machine being applicable to printed circuit board (PCB).
Background technology
The printed circuit board (PCB) of at present each enterprise, plant produced all posts one or several labels, for embodying trade mark, difference manufacturer, performance product batch number etc., or for the responsibility tracing (i.e. trackability) of quality management system.But most of producer is still by work of manually labelling, and printed circuit board (PCB) enormous amount, thus artificial labeling not only workload is large, and to waste time and energy.Not only production efficiency is low, and production cost is higher.Labeling automatic equipment market not also being specifically designed to printed circuit board (PCB) is sold, so the development of printed circuit board (PCB) labelling machine or necessary.
Summary of the invention
The object of the invention is to provide a kind of printed circuit board (PCB) labeling system and method for work thereof for above-mentioned weak point, programmable logic controller (PLC) PLC is utilized to control whole system running, label is automatically attached on printed circuit board (PCB), production is not only made to realize automation, and significantly reduce the workload of staff, improve production efficiency, reduce production cost.
Printed circuit board (PCB) labeling system and method for work thereof take following technical scheme to realize: printed circuit board (PCB) labeling system comprises control section, drive part, execution part and test section, control section has control cubicle, in control cubicle, control circuit board is housed, control circuit board is equipped with programmable controller PLC;
Described drive part comprises servo drive system, and servo drive system is made up of servo-driver and servomotor, and servo-driver is arranged in control cubicle;
Described enforcement division is divided and is comprised ball-screw, cylinder, slide block and sucker, wherein ball-screw horizontal positioned, one end of ball-screw is connected on servomotor spindle by shaft coupling, and supported by clutch shaft bearing, the other end of ball-screw is by the second bearings, nut on ball-screw is fixed on slide block, and slide block is fixedly connected with the cylinder barrel of cylinder is vertical, and the piston rod of cylinder is connected with sucker; Described cylinder adopts the cylinder done reciprocating linear motion, and is used for controlling the operation up and down of sucker;
Described test section comprises travel switch and position transducer, and travel switch is arranged on the two ends of ball-screw, and for detecting when slide block resets whether get back to initial point, it is exactly that system gets back to initial point that slide block is got back to initial point actual; Travel switch is also spacing for carrying out left and right to slide block; Described position transducer comprises upper position sensor and upper/lower positions transducer, upper position sensor and upper/lower positions transducer are arranged on cylinder upper/lower terminal respectively, for detecting, cylinder is up to put in place and descendingly to put in place, and the signal detected is sent in programmable controller PLC, to carry out next step motion, avoid distinguishing cylinder location, make motion chaotic;
The programmable controller PLC of control section is connected with the servo-driver in drive part by telecommunication cable, communication signal is sent to servo-driver, and feedback signal is sent to programmable controller PLC; Order is sent to servomotor by communication cable after receiving the command signal that programmable controller PLC sends by servo-driver, controls the rotating of servomotor, thus drives ball-screw motion; Cylinder detects the position of sucker by position transducer, and detection signal is passed to programmable controller PLC, and programmable controller PLC is made Logic judgment and issued commands to electromagnetically operated valve stretching with control cylinder; Execution part judges the position residing for sucker by the programmed logic computing of programmable controller PLC, and issues a signal to electromagnetically operated valve to control absorption and the release of sucker.
Described servo drive system adopts two covers, controls the horizontal and vertical displacement of sucker respectively, makes sucker location in the plane more accurate.
Described sucker adopts vacuum cup.
Described position transducer is used for control cylinder action, and adopt the Magnetic Sensor of commercially available CS1-F model, its rated voltage is DC24V, and the way of output is that two wires is often opened, and rated current is 100mA.
Described travel switch adopts inching travel switch, and inching travel switch adopts commercially available model to be the travel switch of V-15-1C25.V-15-1C25 sensitive switch is a kind of reliability and fail safe small microswitch, have 3 electric shock (common ports, often make war and a normally closed point for one), because native system uses servo system, accuracy is high, need to have Chang Kai and normally closed, so select the inching travel switch of model V-15-1C25 simultaneously.
Described Programmable Logic Controller adopts siemens PLC CPU226CN DC/DC/DC type PLC, there are 6 high-speed counters (HSC0 ~ HSC5), the count requirement of native system can be met, CPU226 has two high-speed pulse output points (Q0.0 and Q0.1) simultaneously, and two of native system servo systems can be made to use simultaneously.
Programmable controller PLC is also connected with handwheel, handwheel sends high-speed pulse and passes to programmable controller PLC, programmable controller PLC receives pulse input signal, react and give an order, send high-speed pulse from speedy carding process point and pass to servomotor through servo amplifier, servomotor is moved, thus realizes Non-follow control.
Described handwheel is connected on programmable controller PLC by cable, and handwheel hangs over the place that electrical control cubicles or operator easily take and place.
Because printed circuit board (PCB) varies in size, the printed circuit board (PCB) labeling requirement of different model is attached to different positions, so labelling machine needs to arrange the function that label is placed with position, place, this function is realized by touch-screen input coordinate, and the tutorial function also by encoder and touch-screen realizes.Described printed circuit board (PCB) labeling system also has touch-screen, and described touch-screen is arranged on the position of staff's convenient operation, such as, on control cubicle panel, is connected with programmable controller PLC by communication cable; Arrange by touch-screen the coordinate that label storeroom and label are placed with place, also by touch-screen display sucker ruuning situation, record label storeroom and label are placed with the coordinate at place.
Described system has manually and automatic two kinds of implementations.In manual, handwheel sends high-speed pulse and passes to PLC, and PLC receives pulse input signal, reacts and gives an order, and sends high-speed pulse and passes to servomotor through servo amplifier, servomotor is moved from speedy carding process point; Automatic time, programmable controller PLC is sent pre-designed coordinate pulse by high-speed pulse output point, controls servomotor and moves back and forth according to pre-designed label storeroom and the label place of being placed with coordinate.The coordinate that label storeroom and label are placed with place can be set in touch-screen, also handwheel Non-follow control servomotor can be utilized to drive sucker to come label storeroom and label is placed with place, then record the coordinate at this two place by touch-screen and download in PLC, making it to use in automatically running.
A labeling implementation method for printed circuit board (PCB) labeling system, comprises manually and automatic two kinds of modes.
Described manual mode comprises the steps:
1) connect system power supply and start programmable controller PLC, starting reseting movement;
2) send high-speed pulse by handwheel, pass to programmable controller PLC, programmable controller PLC receives pulse input signal, react and give an order, send high-speed pulse from speedy carding process point, pass to servomotor through servo amplifier, servomotor is moved;
3) servomotor drives sucker to come label storeroom, and cylinder declines; Upper/lower positions transducer detects that cylinder declines the signal put in place, and cylinder stops descending motion also keeping, and sucker air-breathing is drawn label and also kept suction condition, and then cylinder rises;
4) upper position sensor detects that cylinder rises and to put in place signal, and cylinder ascending motion stops and keeping, and handwheel controls servomotor entry into service simultaneously, after moving to the label place of being placed with on printed circuit board (PCB), and cylinder decline;
5) upper/lower positions transducer detects that cylinder declines the signal put in place, and cylinder stops descending motion also keeping, and sucker venting is placed with label, and after keeping deflation status to the time arranged, cylinder rises;
4) upper position sensor detects that cylinder rises and to put in place signal, and cylinder ascending motion stops and keeping, and servomotor runs to initial position, arrival initial position, completes a complete course of work;
5) press scram button, after described printed circuit board (PCB) labeling system completes a complete course of work, system is out of service.
Described automated manner comprises the steps:
1) connect system power supply and start programmable controller PLC, starting reseting movement;
2) programmable controller PLC is sent the coordinate pulse preset by high-speed pulse output point, passes to servomotor through servo amplifier, and servomotor is moved;
3) servomotor drives sucker to come label storeroom, and cylinder declines; Upper/lower positions transducer detects that cylinder declines the signal put in place, and cylinder stops descending motion also keeping, and sucker air-breathing is drawn label and also kept suction condition, and then cylinder rises;
4) upper position sensor detects that cylinder rises and to put in place signal, and cylinder ascending motion stops and keeping, servomotor entry into service, after moving to the label place of being placed with on printed circuit board (PCB), and cylinder decline;
5) upper/lower positions transducer detects that cylinder declines the signal put in place, and cylinder stops descending motion also keeping, and sucker venting is placed with label, and after keeping deflation status to the time arranged, cylinder rises;
4) upper position sensor detects that cylinder rises and to put in place signal, and cylinder ascending motion stops and keeping, and servomotor runs to initial position, arrival initial position, completes a complete course of work;
5) press scram button, after described printed circuit board (PCB) labeling system completes a complete course of work, system is out of service.
A kind of printed circuit board (PCB) labeling system of the present invention and method of work thereof are rectilinear motion the convert rotational motion of servomotor, utilize the feature that the transmission efficiency of ball-screw is high, positioning precision is high to coordinate servo drive system to be used for improving whole system positioning precision simultaneously, make system more accurate.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is system configuration sketch of the present invention;
Fig. 2 is course of work schematic diagram of the present invention.
Embodiment
With reference to accompanying drawing 1 ~ 2, printed circuit board (PCB) labeling system comprises control section, drive part, execution part and test section, and control section has control cubicle, in control cubicle, control circuit board is housed, and control circuit board is equipped with programmable controller PLC;
Described drive part comprises servo drive system, and servo drive system is made up of servo-driver and servomotor 1, and servo-driver is arranged in control cubicle;
Described enforcement division is divided and is comprised ball-screw 2, cylinder 3, slide block 4 and sucker 5, wherein ball-screw 2 horizontal positioned, one end of ball-screw 2 is connected on servomotor 1 main shaft by shaft coupling 6, and supported by clutch shaft bearing 7, the other end of ball-screw 2 is supported by the second bearing 8, nut 9 on ball-screw 2 is fixed on slide block 4, and slide block 4 is fixedly connected with the cylinder barrel of cylinder 3 is vertical, and the piston rod 10 of cylinder 3 is connected with sucker 5; Described cylinder 3 adopts the cylinder done reciprocating linear motion, and is used for controlling the operation up and down of sucker 5;
Described test section comprises travel switch 11 and position transducer, and travel switch 11 is arranged on the two ends of ball-screw 2, and for detecting when slide block resets whether get back to initial point, slide block gets back to initial point and system gets back to initial point; Travel switch 11 is also spacing for carrying out left and right to slide block; Described position transducer comprises upper position sensor 12-1 and upper/lower positions transducer 12-2, upper position sensor 12-1 and upper/lower positions transducer 12-2 is arranged on cylinder 3 upper/lower terminal respectively, for detecting, cylinder 3 is up to put in place and descendingly to put in place, and the signal detected is sent in programmable controller PLC, to carry out next step motion, avoid distinguishing cylinder location, make motion chaotic;
The programmable controller PLC of control section is connected with the servo-driver in drive part by telecommunication cable, communication signal is sent to servo-driver, and feedback signal is sent to programmable controller PLC; Order is sent to servomotor by communication cable after receiving the command signal that programmable controller PLC sends by servo-driver, controls the rotating of servomotor, thus drives ball-screw motion; Cylinder detects the position of sucker by position transducer, and detection signal is passed to programmable controller PLC, and programmable controller PLC is made Logic judgment and issued commands to electromagnetically operated valve stretching with control cylinder; Execution part judges the position residing for sucker by the programmed logic computing of programmable controller PLC, and issues a signal to electromagnetically operated valve to control absorption and the release of sucker.
Described servo drive system adopts two covers, controls the horizontal and vertical displacement of sucker respectively, makes sucker location in the plane more accurate.
Described sucker adopts vacuum cup.
Described position transducer is used for control cylinder action, and adopt the Magnetic Sensor of commercially available CS1-F model, its rated voltage is DC24V, and the way of output is that two wires is often opened, and rated current is 100mA.
Described travel switch adopts inching travel switch, and inching travel switch adopts commercially available model to be the travel switch of V-15-1C25.V-15-1C25 sensitive switch is a kind of reliability and fail safe small microswitch, have 3 electric shock (common ports, often make war and a normally closed point for one), because native system uses servo system, accuracy is high, need to have Chang Kai and normally closed, so select the inching travel switch of model V-15-1C25 simultaneously.
Described Programmable Logic Controller adopts siemens PLC CPU226CN DC/DC/DC type PLC, there are 6 high-speed counters (HSC0 ~ HSC5), the count requirement of native system can be met, CPU226 has two high-speed pulse output points (Q0.0 and Q0.1) simultaneously, and two of native system servo systems can be made to use simultaneously.
Described programmable controller PLC is also connected with handwheel, handwheel sends high-speed pulse and passes to programmable controller PLC, programmable controller PLC receives pulse input signal, react and give an order, send high-speed pulse from speedy carding process point and pass to servomotor through servo amplifier, servomotor is moved, thus realizes Non-follow control.
Described handwheel is connected on programmable controller PLC by cable, and handwheel hangs over the place that electrical control cubicles or operator easily take and place.
Because printed circuit board (PCB) varies in size, the printed circuit board (PCB) labeling requirement of different model is attached to different positions, so labelling machine needs to arrange the function that label is placed with position, place, this function is realized by touch-screen input coordinate, and the tutorial function also by encoder and touch-screen realizes.Described printed circuit board (PCB) labeling system also has touch-screen, and described touch-screen is arranged on the position of staff's convenient operation, such as, on control cubicle panel, is connected with programmable controller PLC by communication cable; Arrange by touch-screen the coordinate that label storeroom and label are placed with place, also by touch-screen display sucker ruuning situation, record label storeroom and label are placed with the coordinate at place.
Described system has manually and automatic two kinds of implementations.In manual, handwheel sends high-speed pulse and passes to PLC, and PLC receives pulse input signal, reacts and gives an order, and sends high-speed pulse and passes to servomotor through servo amplifier, servomotor is moved from speedy carding process point; Automatic time, programmable controller PLC is sent pre-designed coordinate pulse by high-speed pulse output point, controls servomotor and moves back and forth according to pre-designed label storeroom and the label place of being placed with coordinate.The coordinate that label storeroom and label are placed with place can be set in touch-screen, also handwheel Non-follow control servomotor can be utilized to drive sucker to come label storeroom and label is placed with place, then record the coordinate at this two place by touch-screen and download in PLC, making it to use in automatically running.
A labeling implementation method for printed circuit board (PCB) labeling system, comprises manually and automatic two kinds of modes.
Described manual mode comprises the steps:
1) connect system power supply and start programmable controller PLC, starting reseting movement;
2) send high-speed pulse by handwheel, pass to programmable controller PLC, programmable controller PLC receives pulse input signal, react and give an order, send high-speed pulse from speedy carding process point, pass to servomotor 1 through servo amplifier, servomotor 1 is moved;
3) servomotor 1 drives sucker to come label storeroom 13, and cylinder 3 declines; Upper/lower positions transducer 12-2 detects that cylinder 3 declines the signal put in place, and cylinder 3 stops descending motion and keeps, and sucker 5 air-breathing is drawn label and also kept suction condition, and then cylinder 3 rises;
4) upper position sensor 12-1 detects that cylinder 3 rises and to put in place signal, and cylinder 3 ascending motion stops and keeping, and handwheel controls servomotor entry into service simultaneously, and after being placed with place 14 motion to the label on printed circuit board (PCB), cylinder 3 declines;
5) upper/lower positions transducer 12-2 detects that cylinder 3 declines the signal put in place, and cylinder 3 stops descending motion and keeps, and sucker 5 venting is placed with label, and after keeping deflation status to the time arranged, cylinder 3 rises;
4) upper position sensor 12-1 detects that cylinder 3 rises and to put in place signal, and cylinder 3 ascending motion stops and keeping, and servomotor 1 runs to initial position, arrival initial position, completes a complete course of work;
5) press scram button, after described printed circuit board (PCB) labeling system completes a complete course of work, system is out of service.
Described automated manner comprises the steps:
1) connect system power supply and start programmable controller PLC, starting reseting movement;
2) programmable controller PLC is sent the coordinate pulse preset by high-speed pulse output point, passes to servomotor 1 through servo amplifier, and servomotor is moved;
3) servomotor 1 drives sucker 5 to come label storeroom 13, and cylinder 3 declines; Upper/lower positions transducer 12-2 detects that cylinder 3 declines the signal put in place, and cylinder 3 stops descending motion and keeps, and sucker 5 air-breathing is drawn label and also kept suction condition, and then cylinder 3 rises;
4) upper position sensor 12-1 detects that cylinder 3 rises and to put in place signal, and cylinder 3 ascending motion stops and keeping, servomotor 1 entry into service, and after being placed with place 14 motion to the label on printed circuit board (PCB), cylinder 3 declines;
5) upper/lower positions transducer 12-2 detects that cylinder 3 declines the signal put in place, and cylinder 3 stops descending motion and keeps, and sucker 5 venting is placed with label, and after keeping deflation status to the time arranged, cylinder 3 rises;
4) upper position sensor 12-1 detects that cylinder 3 rises and to put in place signal, and cylinder 3 ascending motion stops and keeping, and servomotor 1 runs to initial position, arrival initial position, completes a complete course of work;
5) press scram button, after described printed circuit board (PCB) labeling system completes a complete course of work, system is out of service.
Present system employs servo system, system cloud gray model is located more accurate.
Claims (9)
1. a printed circuit board (PCB) labeling system, is characterized in that: comprise control section, drive part, execution part and test section, control section has control cubicle, in control cubicle, control circuit board is housed, and control circuit board is equipped with programmable controller PLC;
Described drive part comprises servo drive system, and servo drive system is made up of servo-driver and servomotor, and servo-driver is arranged in control cubicle;
Described enforcement division is divided and is comprised ball-screw, cylinder, slide block and sucker, wherein ball-screw horizontal positioned, one end of ball-screw is connected on servomotor spindle by shaft coupling, and supported by clutch shaft bearing, the other end of ball-screw is by the second bearings, nut on ball-screw is fixed on slide block, and slide block is fixedly connected with the cylinder barrel of cylinder is vertical, and the piston rod of cylinder is connected with sucker; Described cylinder adopts the cylinder done reciprocating linear motion, and is used for controlling the operation up and down of sucker;
Described test section comprises travel switch and position transducer, and travel switch is arranged on the two ends of ball-screw, and for detecting when slide block resets whether get back to initial point, it is exactly that system gets back to initial point that slide block is got back to initial point actual; Travel switch is also spacing for carrying out left and right to slide block; Described position transducer comprises upper position sensor and upper/lower positions transducer, upper position sensor and upper/lower positions transducer are arranged on cylinder upper/lower terminal respectively, for detecting, cylinder is up to put in place and descendingly to put in place, and the signal detected is sent in programmable controller PLC;
The programmable controller PLC of control section is connected with the servo-driver in drive part by telecommunication cable, communication signal is sent to servo-driver, and feedback signal is sent to programmable controller PLC; Order is sent to servomotor by communication cable after receiving the command signal that programmable controller PLC sends by servo-driver, controls the rotating of servomotor, thus drives ball-screw motion; Cylinder detects the position of sucker by position transducer, and detection signal is passed to programmable controller PLC, and programmable controller PLC is made Logic judgment and issued commands to electromagnetically operated valve stretching with control cylinder; Execution part judges the position residing for sucker by the programmed logic computing of programmable controller PLC, and issues a signal to electromagnetically operated valve to control absorption and the release of sucker.
2. a kind of printed circuit board (PCB) labeling system according to claim 1, is characterized in that: described servo drive system adopts two covers, controls the horizontal and vertical displacement of sucker respectively, makes sucker location in the plane more accurate.
3. a kind of printed circuit board (PCB) labeling system according to claim 1, is characterized in that: described sucker adopts vacuum cup.
4. a kind of printed circuit board (PCB) labeling system according to claim 1, it is characterized in that: on programmable controller PLC, be also connected with handwheel, handwheel sends high-speed pulse and passes to programmable controller PLC, programmable controller PLC receives pulse input signal, react and give an order, send high-speed pulse from speedy carding process point and pass to servomotor through servo amplifier, servomotor is moved, thus realizes Non-follow control.
5. a kind of printed circuit board (PCB) labeling system according to claim 4, is characterized in that: described handwheel is connected on programmable controller PLC by cable, and handwheel hangs over the place that electrical control cubicles or operator easily take and place.
6. a kind of printed circuit board (PCB) labeling system according to claim 1, is characterized in that: described printed circuit board (PCB) labeling system also has touch-screen, and described touch-screen is arranged on control cubicle panel, is connected with programmable controller PLC by communication cable.
7. the labeling implementation method of a kind of printed circuit board (PCB) labeling system described in claim 1 or 4, is characterized in that: comprise manually and automatic two kinds of modes; In manual, handwheel sends high-speed pulse and passes to PLC, and PLC receives pulse input signal, reacts and gives an order, and sends high-speed pulse and passes to servomotor through servo amplifier, servomotor is moved from speedy carding process point; Automatic time, programmable controller PLC is sent pre-designed coordinate pulse by high-speed pulse output point, controls servomotor and moves back and forth according to pre-designed label storeroom and the label place of being placed with coordinate.
8. the labeling implementation method of a kind of printed circuit board (PCB) labeling system according to claim 7, it is characterized in that, described manual mode comprises the steps:
1) connect system power supply and start programmable controller PLC, starting reseting movement;
2) send high-speed pulse by handwheel, pass to programmable controller PLC, programmable controller PLC receives pulse input signal, react and give an order, send high-speed pulse from speedy carding process point, pass to servomotor through servo amplifier, servomotor is moved;
3) servomotor drives sucker to come label storeroom, and cylinder declines; Upper/lower positions transducer detects that cylinder declines the signal put in place, and cylinder stops descending motion also keeping, and sucker air-breathing is drawn label and also kept suction condition, and then cylinder rises;
4) upper position sensor detects that cylinder rises and to put in place signal, and cylinder ascending motion stops and keeping, and handwheel controls servomotor entry into service simultaneously, after moving to the label place of being placed with on printed circuit board (PCB), and cylinder decline;
5) upper/lower positions transducer detects that cylinder declines the signal put in place, and cylinder stops descending motion also keeping, and sucker venting is placed with label, and after keeping deflation status to the time arranged, cylinder rises;
4) upper position sensor detects that cylinder rises and to put in place signal, and cylinder ascending motion stops and keeping, and servomotor runs to initial position, arrival initial position, completes a complete course of work;
5) press scram button, after described printed circuit board (PCB) labeling system completes a complete course of work, system is out of service.
9. the labeling implementation method of a kind of printed circuit board (PCB) labeling system according to claim 7, it is characterized in that, described automated manner comprises the steps:
1) connect system power supply and start programmable controller PLC, starting reseting movement;
2) programmable controller PLC is sent the coordinate pulse preset by high-speed pulse output point, passes to servomotor through servo amplifier, and servomotor is moved;
3) servomotor drives sucker to come label storeroom, and cylinder declines; Upper/lower positions transducer detects that cylinder declines the signal put in place, and cylinder stops descending motion also keeping, and sucker air-breathing is drawn label and also kept suction condition, and then cylinder rises;
4) upper position sensor detects that cylinder rises and to put in place signal, and cylinder ascending motion stops and keeping, servomotor entry into service, after moving to the label place of being placed with on printed circuit board (PCB), and cylinder decline;
5) upper/lower positions transducer detects that cylinder declines the signal put in place, and cylinder stops descending motion also keeping, and sucker venting is placed with label, and after keeping deflation status to the time arranged, cylinder rises;
4) upper position sensor detects that cylinder rises and to put in place signal, and cylinder ascending motion stops and keeping, and servomotor runs to initial position, arrival initial position, completes a complete course of work;
5) press scram button, after described printed circuit board (PCB) labeling system completes a complete course of work, system is out of service.
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| CN201410388312.4A CN104219886A (en) | 2014-08-08 | 2014-08-08 | Printed circuit board labeling system and operating method thereof |
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| CN112938079A (en) * | 2021-02-09 | 2021-06-11 | 嘉善乐枫生物科技有限公司 | Labeling machine for purifying column cone and cylinder barrel body and labeling method thereof |
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Application publication date: 20141217 |