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Low vibration IP20 1000kw / 1250HP variable frequency AC inverter drives for

Low vibration IP20 1000kw / 1250HP variable frequency AC inverter drives for

Place of Origin : China
Brand Name : GANDO
Certification : CE
Model Number : 400V-G7-__KW
MOQ : 1 set
Delivery Time : 2 days
Payment Terms : TT, L/C, Western Union, Paypa
Supply Ability : 200 sets per week
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1000kw / 1250HP AC Variable Frequency Inverter Drives for Metalforming

Metalforming is the process of shaping parts or structures out of metal, by bending, stamping, casting, or shearing.

Metalforming covers a wide range of work, from large ships, bridges and oil refineries, to delicate jewelry. It includes a wide range of skills and requires the use of many different types of tools.

Industrial metalforming machines are used in industries such as Aerospace, Automotive, Tool-making, Home Appliance and Agricultural Machinery. Industrial machines are typically installed as capital equipment.

Various types of metalforming machines:

· Forging Machines

· Die Forming Machines

· Bending Machines

· Presses

· Shearing Machines

· Punch Presses

Application Challenges

· Fast acceleration/deceleration

· Complex I/O interface

· Large speed range, high speed operation

· Continuous operation, repeated forward /reverse

· High speed and position accuracy

· Constant high torque production

· Orientation or positioning

· Low vibration

· Low maintenance, durability

· Fast stopping

Features of G7 series matching decanter metalforming



Current Limit

Spindle motor can accelerate up in current limit thus providing the fastest acceleration rate possible.

Built-in Dynamic Braking Transistor for commonly used Drive sizes in the Machine Tool Industry

Reduced costs when applying Dynamic Braking in order to achieve fast deceleration

Overtorque Detection

The drive can warn the user of a damaging load related fault situation before it occurs by using Overtorque and/or Undertorque Detection.

This is useful to detect any wear or damage along the cutting blades or bits.

BCD/Binary Digital Input (DI-08, 16 options)

· I/O Interface with numerical controls (NC)

· Multi-function Inputs and Outputs

· Speed Agree Output

Energy Saving Mode
(reduces the amount of excitation current that arises with lighter loads)

Suppress any vibration or instability that occurs when performing light machining for the finishing of the work piece.

Zero-Servo and Orientation Function

Stop at a fixed location

Maximum Frequency

High speed operation for smooth surface finishing

Variable speed levels can be set by the user with a maximum of 400Hz

Power range of G7 VFD

Voltage: 400VAC (380VAC – 460VAC)

Power: 22kw/30HP – 1000kw/1250HP

Specification of G7 VFD



Input frequency


Output frequency


Overload current

150% rated current 1min.

Control mode

Close-loop vector control, sensor-less vector control, V/F control

Starting torque

150% 1hz (with PG 0hz)

Control precision

±0.2% (With PG ±0.02%)

Torque precision


Setting frequency resolution

Digital command 0.01hz; analog command 0.03hz/60hz

Output frequency resolution


Frequency setting signal


Protection function

Over voltage, under voltage, over load, relay, overheat speed stall, grounding, instant power cut compensation( within 2 sec for operation mode. Continue to operate after the power is available), Charging protection( not to display when the dc voltage of main circuit is less than 50v)



Cooling mode

forced air cooling


Less than 0.2g for 20hz

Ambient temperature / Humidity

-10 Degrees~+40 Degrees / 20~90%Rh (no condensation)


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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Low vibration IP20 1000kw / 1250HP variable frequency AC inverter drives for Images

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