5 WAYS THAT YOU CAN'T MISS TO CONTROL THERMAL DISPLACEMENT (CHAPTER 4)
2020.12.21

Displacement Sensor

High speed built-in spindle is easy to influence by outer disturbance such as cutting fluid, air turbulance and spindle coolant system. By integrating a spindle displacement sensor at the expansion source which is on the spindle nose, the sensor will detect the signal, so that the system can make optimal prediction and adjustments to minimize the displacement.

 

We did a cutting test on TAKUMI H10 high speed machining center to verify the difference between having no compensation and with displacement sensor.

 

+Control : HEIDENHAIN

+Spindle : Built-in spindle 20000RPM (PT100 thermal sensors and displacement sensors are installed)

+Sealed optical encoder in 3 axis (HEIDENHAIN)

+Spindle oil cooler

+Cutting fluid cooling system

 

The test was performed twice by using the same tool with feed rate Fc 750mm, spindle speed from S4000RPM to S20000RPM. Each test last for 3 hours with 39 cutting areas. The result of coordinate measuring shown as below:

 

 

The real cutting results shown with displacement sensor and TAKUMI thermal displacement system, the thermal deformation is less than 5μm.

TAKUMI has the mature technology in controlling thermal deformation while maintaining the cutting accuracy. This solution is widely applied in our verticle machining center, high speed bridge type machining center and 5-axis machining center.

                                (before compensation)                                                (after compensation)

 

                                    (before compensation)                                                 (after compensation)

 

With TAKUMI’s thermal displacement control technology, your benefits are:
(1) Machine warm-up is not needed.
(2) Save money and time- reduce the time and cost on cutting workpieces that are out of spec.
(3) High processing stability over continuous runs.
(4) High precision cutting performance is guaranteed.

 

Want to know more about how to control spindle thermal error? Stay up to date with our latest technicle blogs and subscribe our newsletter or follow our Facebook, Instagram, LinkedIn!

SUBSCRIBE TO TAKUMI FOR LATEST UPDATE
SUBSCRIBE NOW