New Milling Development Benchmarks From ISCAR
While milling is driven by the increasing demands of manufacturing, there are specific aspects that uniquely impact its advancement, Andrei Petrilin, ISCAR’s Senior Technical Manager explains.
Milling as a metal cutting method, originated in the late 18th century and quickly became one of the primary machining technologies today. It is hard to imagine any machine shop without milling machines on the shop floor. It is an essential process in manufacturing.
Today, we are witnessing significant changes in manufacturing that with profound consequences on the development of directions of milling. These changes are driven by various factors such as the increasing accuracy of metal shaping through precision investment cutting and precision forging, the widespread adoption of 3D printing, the growing usage of new composite and sintered materials, the need to enhance productivity in machining hard-to-cut superalloys and titanium grades, and the strong focus on electric and hybrid cars in the automotive industry, contributing to these changes.
Advancements Driving Productivity, Precision, and Sustainability
In addition, advancements in multi-axis machine tools have opened up new possibilities for precise machining of complex parts and enabled implementing new cutting strategies to improve productivity. In modern technological processes, there is a tendency to significantly reduce the amount of machining stock intended for milling operations, simultaneously increasing the requirements for surface finish and accuracy.
Therefore, the advancement in milling is driven by the need for higher productivity, more precision, and sustainability in operations. Consequently, the main developments in can be characterised as follow:
- Fast metal removal focuses on boosting the metal removal rate (MRR) to achieve higher productivity by significantly increasing cutting speed or feed per tooth. This is achieved through techniques such as high speed milling (HSM) and, in rough operations, high feed milling (HFM).
- Precision Milling Provides Higher Accuracy
- Multi-axis milling is characterised by utilising multi-axis machining centres to enable complex milling operations.
Read more here in Page 15.
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