CNC lathe spindle motor use matters

Spindle motion is an important part of metal cnc lathe, and its power accounts for about 70% to 80% of the power of the entire cnc lathe machine. It plays an important role in improving processing efficiency, expanding the range of processing materials, and improving processing quality.

Next, Aldoosanlecnc will tell you about the precautions for using the spindle motor of CNC lathes.

1. The cnc lathe machining electric spindle must be used in conjunction with the frequency converter, and the voltage, power and frequency must be matched.

2. Setting the frequency converter First set the reference frequency, the reference frequency of the frequency converter is set according to the highest frequency of the electric spindle, the maximum frequency of the frequency converter, the turning frequency and the corresponding voltage are set according to the nameplate data of the electric spindle.

3. Alloy wheel cnc lathe water-cooled electric spindle needs to be cooled by circulating cooling liquid. The amount of cold water is calculated as 1 liter/kW/min, and the minimum cooling water flow rate is not less than 5 liters/min. Add rust inhibitor (or coolant can also use emulsion or oil).

If it is mixed with cutting fluid, the cutting fluid must be filtered, otherwise the electro-spindle will cool down and the tube will be easily blocked, resulting in damage to the electro-spindle.

4. The flat bed cnc lathe motorized spindle should rotate in the direction of the motor mark. It is strictly forbidden to change the direction. Before starting, observe its rotation direction. If the rotation is wrong, you can change the rotation setting of the inverter or investigate and replace the UVW terminal on the output end of the inverter. of any two wires.

5. The CNC lathe turning spindle motor cannot run above the maximum speed, and it is allowed to adjust during operation. In order to prolong the service life of the motorized spindle and the precision bearing, the new motorized spindle or the motorized spindle after replacing the new bearing should be divided into 4 gears within the speed range, run for 1 hour respectively, and then increase to high speed, so as to avoid direct high-speed operation and shorten the bearing life.

6. When the CNC lathe tool holder spindle motor is installed with the spring chuck, the inner hole of the rotor shaft, the taper hole of the nut and the outer surface of the spring chuck should be filled with impurities, so as not to affect the accuracy of the CNC lathe machine price. When assembling and disassembling, the collet should be equipped with a tool to avoid damage to the collet, and it is forbidden to use excessive force during clamping to avoid damage to the spindle.

7. When the CNC lathe processing electric spindle fails, it should be repaired by professionals.

8. If the motor of the Mini cnc lathe machine has abnormal sound during operation, or when the vibration is particularly large, the noise becomes louder, and the bearing should be replaced.

9. Generally, the resonance point of the electric spindle is in the range of about 75% of the frequency, which causes the noise and vibration of the electric spindle to increase. It should be avoided in use at this frequency.

10. When the CNC lathe fanuc is working normally, the electric spindle often encounters heating. When the surface temperature of the water-cooled electric spindle and the ambient temperature exceed 15 degrees, it can be considered to be hot (when the surface temperature of the air-cooled electric spindle and the ambient temperature exceed 30 degrees, it can be mainly fever) .

Shut down and check, use a thermometer to check whether the temperature of the cool coolant in the cooling water tank exceeds the ambient temperature, if it exceeds, change the coolant below the ambient temperature in time. It is also possible to increase the kiln of the cooling box to reduce the temperature.

After inspection, if there is no problem with the water tank, you should check whether the aquatic products of the electric spindle are blocked, and whether the cooling liquid is clean.