PGF high speed weaving machine is applicable for raw material like cotton yarn,fiber,PP yarn,metal thread etc,and it can knit various elastic and nonelastic textiles like cylinder shape,tube shape,knitting shape as well as curtain tapes,shoelaces,silk ribbon,decoration tapes etc.
PGF high speed weaving machine adopts frequency conversion regulation technology to control speed ,and can achieve yarn-cutting and self-stop,which is easy to operate and high in automation degree.According to intensity of raw material,it is easy to adjust working status so as to improve product quality,product grade and lower cost.
ELECTRICAL PART| Hi-speed sealing knitting machine | Operation manual | Total 11 pages |
| Page 6 |
7.2 regular faults and solution methods for frequency conversion machine in below table| Fault display | Fault content & description | Treatment methods | | E.O.C.A | Overcurrent in acceleration | 1, check whether the motor is shorted or partially shorted;
2, extend the acceleration time
3, the configurations of frequency conversion machine is not rational, and enlarge the capacity of the frequency conversion machine;
4, reduce the torque to improve the rated value. | | E.OC.n | Overcurrent in constant speed | 1, check whether the motor is shorted, whether the output wire is insulated well;
2, check whether the motor is stopped to run, whether the mechanical load waves;
3, check whether the capacity of the frequency conversion machine is too small, and enlarge the capacity of the frequency conversion machine;
4, check whether .the voltage of the power network waves. | E.OC.d
E.OC.S | Overcurrent in deceleration
Overcurrent in stopping | 1 check whether the wire insulation is well, whether the motor is shorted;
2 enlarge the deceleration time;
3 replace by a frequency conversion machine of larger capacity;
4 the braking capacity of direct current is too big, and reduce the braking capacity of direct current;
5 for the machine fault, send back to the factory for repair. | E.GF.S
E. GF.a
E. GF.n
E. GF.d | Shortcut to ground | 1 check whether the wire of motor is shorted;
2 improve the power network, and check whether there is the wave of voltage;
3 send back for repair | E.ou.S
E.OU.a
E.OU.n
E.OU.d | Overcurrent in acceleration
Overcurrent in deceleration
Overcurrent in constant speed
Overcurrent in deceleration | 1 extend the deceleration time, or add with the brake resistor;
2 improve the power network, and check whether there is the wave of voltage. | E.Fb.S
E. Fb.a
E. Fb.n
E. Fb.d | Fuse melted
| If fuse melted, send back for repair | E.Lu.s
E. Lu.A
E. Lu.n
E. Lu.d | Low voltage | 1 check whether the voltage is normal;
2 check whether the load waves;
3 check whether the phase is lacked. | E.OH.S
E. OH.A
E. OH.n
E. OH.d | Overheat of frequency
conversion machine | 1 check whether the fan is stopped to run, whether the radiating piece is covered by impurity;
2 check whether the environment temperature is normal;
3 check whether the airing space is enough, whether the air is convective; | E. OL.A
E. OL.n
E. OL.d | Overload of frequency
conversion machine
150% per minute | 1 check whether the frequency conversion machine is of smaller capacity, whether is covered by impurity;
2 check whether the load of the machine is blocked;
3 V/F curve is not set well, and shall be reset. |
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| Hi-speed sealing knitting machine | Operation manual | Total 11 pages |
| Page 7 |
continuedE.OA.A
E.OA.n
E.OA.d | Motor overload 150% per one minute | 1 check whether the mechanical load moves;
2 the motor distribution is too small;
3 the motor is overheated, and the insulation becomes worse;
4 check whether the voltage moves greatly;
5 check whether the phase is lacked;
6 the mechanical load is enlarged. | E.OT.A
E.OT.n
E.OT.d | Over-torque of motor | 1 check whether the mechanical load moves;
2 check whether the motor configuration is too small. | E.bs.A
E. bs.n
E. bs.d
E. bs.s | The electromagnetic contactor assistant coil does not feedback. | Send back for repair | E.bT.A
E. bT.n
E. bT.d | The brake transistor is broken. | Contact with the factory. | E.EC.S
E. EC.n
E. EC.d
E.EC.A | CPU fault | Contact with the factory. | E.EE.S
E. EE.n
E. EE.d
E.EE.A | E Prom fault | Contact with the factory. | | ER | External interference | Insulation with the interference resource | | ES | Emergency parking | Under the emergency status | | 20 | 4-20mA broken circuit | Connect with the above broken one | | Pr | Mistake of specification setup | Correct specification of setup | | DCb | Brake status of direct current | Under the brake status of direct current |
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PGF high speed weaving machine is applicable for raw material like cotton yarn,fiber,PP yarn,metal thread etc,and it can knit various elastic and nonelastic textiles like cylinder shape,tube shape,knitting shape as well as curtain tapes,shoelaces,silk ribbon,decoration tapes etc.
