High-performance machining of aluminium structural parts
With the new high-performance milling tools OptiMill-SPM MAPAL presents a highly efficient tool solution of roughing aluminium structural parts. One important feature is the cutting edge length that corresponds to approx. 60% of the diameter, allowing the maximum contact depth for the high-performance milling of aluminium to be exploited. The PCD blades are optimally embedded and ensure a high stability. Thanks to the high positive cutting edge geometry and the optimised chip spaces, the cutting force of PCD milling cutters is reduced by up to 15%. The conical design also contributes to the high performance level of the tools. It prevents ending of the tool during the machining process and scratching of the part wall caused by chips.
The new OptiMill-SPM milling cutters are very successfully used in practice. A milling cutter ø 32 mm with three cutting edges machines a frame element from AlZnMgCu 1,5 with a spindle speed of 28,000 rpm. The tool delivers optimum results with feed speeds of 16,800 mm/min and a cutting depth of 12 mm. The machining parameters were increased even further in a high-pressure test conducted in the testing centre at MAPAL. The milling cutter showed an optimum performance even at a feed speed of 22,000 mm/min. The material removal rate even exceeded 8 l/min in this case.
The OptiMill-SPM tools are available in the diameter range from 6 to 50 mm, both as PCD and solid carbide variants in the standard range. The product portfolio also includes variants with the CFS replaceable head system.
The new high-performance milling cutters OptiMill-SPM can be used with unmatched feed rates.
MAPAL Dr. Kress KG
MAPAL – tooling the customer's success
MAPAL Präzisionswerkzeuge Dr. Kress KG is one of the leading international suppliers of precision tools for the machining of practically all materials. The company founded in 1950 supplies leading customers from the automotive and aerospace industries and from machine and plant engineering. With its innovations the family-owned company sets trends and standards in production and machining technology. MAPAL sees itself as a technology partner, supporting its customers with the development of efficient and resource-conserving machining processes using individual tool concepts. The company is represented with production facilities, sales subsidiaries and representatives in 44 countries worldwide. In 2013 the MAPAL Group had 4,300 employees, generating sales of EUR 470 million.
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