The ALPHA6500 series special AC drive for veneer lathe adopts integrated control solution to meet the application demands. It is characterized by quick start, uniform cutting, strong environmental adaptability, rich fault-protection and operation-monitoring functions, and more.
Wide input voltage fluctuation range is ±20%.
Unique vector control algorithm
Dynamic control of torque and current gives quick response to load change.
Output 150% high start torque at 0.1Hz.
Veneer lathing parameters can be set, modified, and checked on line.
Automatically adjust the feed rate according to thecutter position.
Automatically calculate the cutter position by collecting signals from electronic caliper and encoder; calculate the feed rate in real time
Up to 20 types of customized curve
Passed EMC testing; stable and reliable performance
Conformal coating protection for electronics; strengthen the environment adaptability
Special keypad easy for parameter modifying and machine start/stop
Multiple programmableinput/output terminals; digital input compatible with various active, passive,source, and drain terminals
The special AC drive for veneer lathe can be applied in the wood processing industry.
Technical Specifications of ALPHA6500
|Power Range||380V ±20% single phase: from 2.2 to 7.5kW|
|Rated Input Voltage and Frequency||380V three phases: 50/60Hz|
|Allowable Input Voltage Range||380V three phases: from 304 to 456V, Voltage unbalance rate of less than 3%, Frequency fluctuation of below ±5%|
|Rated Output Voltage||From 0 to rated input voltage|
|Max. Overload Current||G model: 150% for 45 seconds, 180% for 5 seconds|
|Control Method||V/F control|
|Frequency Range||From 0.00 to 650.00Hz (from 32R2GB to 3004GB)
From 0.00 to 400.00Hz (from 35R5GB to 37R5GB)
|Frequency Accuracy||Digital command ± 0.01% (from -10℃ to +40℃)
Simulation command ± 0.01% (25℃ ± 10℃)
|Preset Frequency Resolution||Digital command 0.01Hz
Simulation command 1/1000 of the maximum frequency
|Output Frequency Resolution||0.01Hz|
|Preset Frequency Signal||From 0 to 10V, from 0 to 20mA|
|Torque Boost||Automatic or manual operation (from 0.1 to 30.0%)|
|Acceleration-Deceleration Modes||Straight line, or user-defined S curve|
|Acceleration-Deceleration Time||From 0.1 to 3600 seconds (The acceleration and deceleration time are set individually.)|
|Braking Torque||The additional braking resistance reaches up to 125%.|
|Voltage-Frequency Characteristic||Four fixed V/F characteristics are selectable, and any V/F characteristic can be preset. The V/F control with PG is attainable.|
|Protective Functions||Over-voltage, under-voltage, current limit, over-current, overload, electronic thermal relay, overheating, over-voltage stall, load short circuit, grounding, under-voltage protection, input phase loss, output phase loss, short circuit to ground, interphase short circuit, motor overload protection, and more|
|Ambient Temperature||From -10℃ to +40℃|
|Humidity||From 5 to 95% RH (No condensation)|
|Storage Temperature||From -40℃ to +70℃|
|Service Place||Indoor (without any corrosive gas)|
|Installation Site||The altitude is at most 1,000m. There is not any dust, corrosive gas, or direct solar radiation.|
|Vibration||Less than 5.9m/s2 (0.6g)|
|Cooling Method||Natural cooling or forced air cooling|
ALPHA6500 Selection Table
|Voltage Classes||Model||Motor Power (kW)||Rated Output Current (A)|
|380V Three Phases||6500-32R2GB||2.2||6|
Overall Dimension of ALPHA6500 Series Special AC Drive for Veneer Lathe
Veneer Lathe Drives | Variable-Frequency Drive | Frequency Converter