【DE】 7.5KW Air cooled ATC spindle BT30 Automatic Tool Changer& 380V Inverter VFD



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1). 7.5kw atc spindle 380V


Package include:



2). 7.5kw atc spindle 380V+VFD


Package include:





 100% Brand New and High Quality!!!






1.This spindle is built-in type spindle motor, built-in three asynchronous motors,by the inverter control.As the spindle has a compact structure,high power, big torque, small vibration, low noise characteristics,so it can achieve high speed,high powe cutting,high recision and high stability operation.


2.The bearing of spindle use grease lubricated angular to contact bearings,can be achieved lifelong lubricating within the life cycle.
 
3.This spindle uses air cooling to cool the motor and front and rear bearings. The wind is provided by the fan at the rear end, from the rear of the spindle through the inner and outer air slots directly to the front of the spindle, there by taking away the heat generated by the high-speed rotation of the spindle, achieving thermal balance, and keeping the temperature of the electric spindle within a certain value.
 
4.The spindle built-in PTC 140 temperature sensor(Technical parameters are visible in other sections of this specification),you can read it anytime if you need to protect the motor temperature.
 
5. The tool clamping methods:this spindle built-in automatic tool change
device,shank form is BT30.


Please note that when stopping the spindle, you need to wait until the spindle is stopped before releasing the tool holder, so as to avoid causing the spindle and the tool mechanism to be connected together and cannot be separated. When loosening the tool and broaching the tool, you need to return the air, and pls keep the air intake and return air during the whole work.


 
Spindle installation explanation
 
1.Fan cooling system description When the spindle rotates, the rear fan system must be started to ensure the correct supply voltage and the supply voltage is 12V.
 
2.Air sealing control (AS)
 
In order to prevent water or impurities enters internal of the spindle,spindle will have gas sealing device,the gas seal machine must be started start with the machine at the same time. And the need to go through multi-stage filtration.
 
3.Compressed gas quality requirements
 
The quality requirement of gas which is used in gas seals:
Oil content：﹤0.01mg/m³
solid particle：﹤5µ m
Pressure dew point：﹤7.5℃（0.7MPa）
 
3. Running-in program instructions
 
Only all monitoring issued no failures operational signals,at the same time,all safety devices have been installed and working properly,then allow start spindle. Note: new or spindle which is not used for a long time must to be running slowly.First,start run spindle for half an hour as 25% of the maximum speed,then increase to 50% of the maximum speed,to run 15 minutes,finally,
increase to maximum speed.It’s need to check the temperature of the spindle during the whole process, spindle will get hot, but not hot hand, if the spindle becomes hot, pls stop the operation and contact our customer service department.
 



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Power: 7.5kw

Input Voltage: 380v (±20%)

Input Phase: 3 phase

Input Frequency: 50-60Hz (±5Hz)

Output Voltage: 380v

Output Phase: 3 phase

Output Current: 18A

Output Frequency: 0-1000Hz

Control Method: V/F control







◆Two speed control modes: V/F control

◆ No PG vector control (SVC): starting torque 0.5Hz up to 150%

◆ 8-stage simple PLC function, multi-speed control and PID control

◆ Support multiple frequency settings: digital setting, analog setting, PID setting, RS485 communication setting

◆ I/O terminals can be freely programmed to combine multiple working modes according to user needs.

◆ With jump frequency control function, it can effectively suppress mechanical resonance and make the system more stable and reliable.

◆ With instantaneous power-down retention function, it can avoid the impact of production due to instantaneous power failure

◆ With over torque and under torque detection

◆ Automatic voltage adjustment function to effectively solve the low frequency oscillation problem of high power motor

◆ Provide a variety of fault protection functions: over-current, over-voltage, under-voltage, over-heat, overload, lack of equal real-time monitoring and protection to ensure safe operation

◆ Built-in reactor with inverter above 37kW, which improves the power factor of the input side and improves the efficiency and stability of the whole machine.

◆ 0.75~15kW built-in braking unit.


Application

winding machine,mixer,extruder, slitter, winder, compressor, ventilator, pump, grinder, conveyor , elevator,centrifuger and other speed control machines.










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