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Shandong linyi brilliant wood processing plant

2019-08-16 20:10:23
Detailed introduction:

Rotary cutting machine is one of the main equipment in the production of plywood, divided into card rotary cutting machine cutting machine and no card rotary cutting machine, with the progress of science and technology digital servo control technology is also used in the production of rotary cutting machine, in recent years appeared CNC rotary cutting machine. The appearance of nc rotary cutting machine not only improves the quality and precision of the single board, but also greatly improves the production efficiency and the automation of the whole machine. CNC card-free rotary cutting machine is an important equipment in plywood production line or veneer production line. It is mainly used for the secondary utilization of the remaining (or round) wood core of the card-shaft rotary cutting machine. The wood core with different length is cut into veneer with different thickness within a certain diameter range with small rotary cutting diameter.

Control the implementation


Press the start switch, the inverter will start to work, and the press-roll motor will start first (the contactor of press-roll motor is controlled by the output relay of the inverter).

Roller motor starts, after screw motor startup latency time, screw motor starts, if press the fast forward switch according to the speed of fast forward feed, or else the logs actual diameter calculation speed feed (knife sets is obtained by screw motor encoder input displacement, calculate the actual diameter of the log again according to the mathematical model for screw feeding speed of the motor), when the rotary cutting knife met before the trip switch reset switch (dot), immediately stop, press roller motor and screw motor according to the set of fast speed return to return back by location (mouth set location) or recede cutter feed displacement, to feed, circulation in turn. When the stop time of the presser motor is greater than the restart time of the presser motor, the presser motor will start again.


When the screw motor is feeding, if the quick back switch is pressed, the cutter will be immediately refunded. When the cutter is refunded or feeding is calculated according to the log diameter, if the fast forward switch is pressed, the cutter will be immediately refunded.

The forward travel point is the origin reset point at the same time. In the process of feed rotation, when the forward travel switch is encountered, the cutter will be returned automatically and the origin will be reset to prevent the displacement deviation caused by interference.

After the log is rotated, the output signal of the inverter controls the frequency converter of the slitting machine for cutting, and the length of the slitting block is calculated. When the length reaches the set cutting length, the output signal controls the frequency converter of the slitting machine for cutting again, and then the length is calculated again, and the cycle goes on.

In the process of rotary cutting, the thickness of wood chip can be controlled by adding and subtracting buttons. When controlling the frequency converter of the cutting motor, the length switch can be used to switch between the set length 1 and the set length 2.

Press the stop switch at any time, the inverter will stop the output immediately.





The rotary cutting machine system is AMB300,


AMB300 series inverter features:

Control mode: open loop vector control (SVC), V/F control, closed loop vector (VC), open loop torque control, position loop control

Starting torque 0.5hz /150% (SVC), 0HZ/180% (VC)

Speed adjustment range 1:100 (SVC), 1:1000 (VC)

Steady speed accuracy ±0.5% (SVC)

Software and hardware suppress strong interference and false alarm fault to ensure no tripping operation

Vectorized VF control: automatic torque lifting; Manual torque increased by 0.1% ~ 30.0%, the VF curve can be customized

Automatic current limiting: the current is automatically limited during operation to prevent frequent over-current fault tripping and realize no-tripping operation

Low frequency and large torque stable operation under vector control, excellent control performance under vector control without speed sensor

Can choose LED, LCD keyboard, support dual keyboard operation

Double relay output, two channels 0(4)~ 20 mA,0(2) ~ 10V analog output optional

Reliable speed tracking function, can automatically identify the speed and direction of the rotating motor, for the direct start of the rotating fan

Completely independent intellectual property rights, can be customized according to customer requirements

Voltage class: 220V, 380V, 690V, 1140V

Super power drive technology, single 380V, 680KW, and 1400KW

The power grid will not shut down immediately

Torque control operation: the terminals support speed and torque control mode switching

High reliability: mature and reliable drive, protection circuit design, anti-interference design

Closed loop vector control, with speed loop, current loop, position loop, can do zero servo control

Motor parameters self-learning: rotation, static self-learning

Automatic carrier adjustment: automatically adjust the carrier frequency according to the load characteristics to reduce the electromagnetic sound of the motor

Automatic voltage adjustment: when the network voltage changes, can automatically keep the output voltage constant

Automatic energy saving operation: automatically optimize V/F curve according to load conditions to realize energy saving operation

+24 high load capacity: contact capacity up to 360ma,24v short circuit can be timely protection

Wide voltage design, the voltage 280V ~ 420V can still work normally



The system debugging parameters of rotary cutter are as follows:

1) stop the knife table at the current position of 300MM

2) adjust parameters F0.02=15S acceleration time,F0.03=15S deceleration time,F0.00=0 open-loop vector, F4.01=4 motor power F4.03=1440 motor speed, F4.05=9 motor current, F4.11=1 motor learning code appears after the motor has been fully set

3) press RUN to start, and the advance of the knife table will stop automatically and the learning will be successful

4) after learning

F002= 0.6s, F0.03=0.4, F0.00=0, F0.04=1, F0.05=6, F0.06=100, F0.07=100, F3.10=0.7, F3.11=1, F5.05=100, F6.07=160, F8.18=2, fb.04 =0, fb.05 =110, fc.01 =4, f.07 =900, f.08 =280.


  The AMB300 special frequency converter simplifies the mechanical structure and production technology of the traditional rotary cutting machine, greatly reduces the error caused by wear of the traditional mechanical equipment, improves the rotary cutting precision, improves the efficiency of mechanical equipment and wood utilization. At the same time, greatly save the power consumption, save the production cost.

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