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ALPHA6500 Series Special AC Drive for Veneer Lathe

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.

Technical Characteristics

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

Item Specification
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)
Protection Rating IP20
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
6500-3004GB 4 9
6500-35R5GB 5.5 13
6500-37R5GB 7.5 17

Overall Dimension of ALPHA6500 Series Special AC Drive for Veneer Lathe

Model H H1 W W1 D D1 D2 D3 d
6500-32R2GB 180 169 115 105 150 158 85 120 4.5
6500-3004GB 195 173 130 108 157 167 100 130 4.5

Model H H1 W W1 D D1 D2 d
6500-35R5GB 270 255 190 175 176 186 122 7

Related Names
Veneer Lathe Drives | Variable-Frequency Drive | Frequency Converter

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