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Help CenterAdjustable Frequency Controllers VFD Drives for Blanking and Shearing Press
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Certification:CE
Adjustable Frequency Controllers VFD Drives for Blanking and Shearing Press
Blanking machines cut, shear, or punch material during the process of fabricating a part. The material can be a flat sheet or a continuously fed strip of material. The main drive motor supplies power to a flywheel, which delivers the energy during the blanking/shearing stroke. AC drives are commonly used to provide power to the main drive motor.
Application Challenges
· Quickly stop the motor without expensive braking resistors
· Quick acceleration even under high torque conditions
Overvoltage protection during regeneration
Power range of V8 VFD
Voltage: 3 phase 380VAC (304VAC – 460VAC)
Power: 0.4kw/0.5HP – 400kw/535HP
Specification of V8 VFD
|
Item |
Specification |
|
Input frequency |
50/60Hz |
|
Output frequency |
0-600Hz |
|
Overload current |
150% rated current 1min., 180% 2 sec. |
|
Control mode |
sensor-less vector control(SVC), V/F control |
|
Starting torque |
150% 1Hz (SVC 150% 0.5Hz) |
|
Control precision |
±0.5% |
|
Given Frequency Resolution |
Digital given: 0.01Hz, analog given: 0.05Hz |
|
Running Mode |
Keyboard, control terminal, RS485 |
|
Output Voltage self-adjustment |
When AVR function is enabled, the input voltage changes, while the output voltage almost remains unchanged |
|
Frequency setting signal |
0~+10V; 0~20mA; |
|
Protection function |
Short circuit, overcurrent, overload, overvoltage, undervoltage, default phase, overheating, and external fault, etc. |
|
Enclosure |
IP20 |
|
Cooling mode |
forced air cooling |
|
Vibration |
Less than 0.5g |
|
Ambient temperature / Humidity |
-10 Degrees~+40 Degrees / 20~90%Rh (no condensation) |
Tips:
A variable-frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor. A variable frequency drive is a specific type of adjustable-speed drive. Variable-frequency drives are also known as adjustable-frequency drives (AFD), variable-speed drives (VSD), AC drives, microdrives or inverter drives. Since the voltage is varied along with frequency, these are sometimes also called VVVF (variable voltage variable frequency) drives.
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