Slovenska verzija
► Real time Feed Rate and Cutting Rate data
Monitoring System 
With our efforts towards of continuous innovations to make PE-TRA Bandsaw machines more operators friendly, we have come out with a concept of Real Time Feed Rate and cutting rate data on display. It’s an utmost important feedback to the operator, owing to control / regulates the blade speed and feed, as the blade teeth gets dull in a production metal cutting operation.
Why Feed data is important?
As we are aware, feed is downward movement of the blade in mm/min, which operator applies thru a hydraulic feed regulating valve. It depends on material, its area of cutting, blade TPI, blade condition, and machine condition and certainly the productivity requirements. Also a fractional variation in feed may vary the blade performance and geometry of the cut. So one can see how critical this data is.
Also, when the blade gets dull, actual feed rate may vary from the 'applied' at Feed valve. It happens due to dull teeth and consequently blade teeth take more loads during that point of cutting.
Our experience shows, an Operator can optimally use a blade in a continuous cutting operation by maintaining optimum cutting rates and subsequently the productivity.
An operator with actual feed rate data on the display, he could manage the machine more efficiently, may achieve a better production with a better blade life.
Also operator knows the exact cutting rate in sq.cm/min on the display corresponding to the area of cut. It gives him an extra arm to control / regulate the cutting operation to optimum performance. This is a very important feature, as an ideal cutting operation means cutting with constant cutting rate.
The devise uses an encoder which in turn sends the signals to the PLC to display the data in mm/min format.
PETRA Machines goes one step ahead in automation of its Bandsaw machines. Now the cutting arm limits itself to the desired height with pre-programmed safety height limit. This feature serves as an idle time killer in a cutting operation.
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