Tungaloy’s New Face Mill Eliminates Interference Issues

Tungaloy has now introduced its new DoQuad-Mill, the latest breakthrough in face milling cutters that is designed to address interference between the cutting tool and the workpiece. Standard face milling tools generally prevent end users machining close to walls or fixture clamps due to inclined entry angles. The DoQuad-Mill has been developed with a near 90° entry angle that ensures the DoQuad-Mill cutter is interference-free and therefore capable of face milling extremely close to the walls and other features. 

The double-sided square insert with 8 economical cutting edges incorporates a concave cutting edge profile with a large inclination angle. This improves swarf evacuation and generates barrel-shaped chips, a feature that prevents swarf re-cutting. The inserts incorporate a large rake angle that generates low cutting forces that generates a smooth cutting action and reduces stress and forces on both the machine spindle and cutting tool.  This is extremely effective and suitable for customers operating low-powered machine tools or working with low rigidity or weak fixture settings.  

The exciting new DoQuad-Mill offers cutter diameters ranging from 50mm diameter up to 100mm in either standard or close pitch insert designation. The standard pitch variant is designed to ensure chatter-free milling whereas the close pitch cutter is suited to applications where high-feed and high-speed machining is essential. The DoQuad-Mill inserts are available with corner radii of 0.8, 1.2 and 2.0mm. For precision machining applications that require high-quality surface finishes, a wiper insert is also available.

The DoQuad-Mill is available with a selection of insert grades and coatings to cater for the machining of a wide variety of material types. This includes the AH3135 PVD grade that has a high fracture resistance, making it the first choice grade for machining steel and stainless steel. Complementing the AH3135 is the AH120, a PVD grade that is the perfect choice for general milling applications in steel and cast iron. For machining cast iron at high speed, the DoQuad-Mill can also accommodate the Tungaloy T1215 CVD grade that demonstrates exceptional wear and chipping resistance. For the productive high-speed machining of both steel and stainless, the T3225 grade is the first choice grade. The tool life, longevity and performance of the insert grade is enhanced by Tungaloy’s proprietary PremiumTec Special Surface Technology. Increasing both toughness on the coating and surface smoothness, the PremiumTec technology improves resistance to chipping, eliminates built-up-edges and increases fracture resistance.