Circle Segment Cutters Prove Fast and Productive Finishing
Walter’s solid-carbide MD838 and MD839 Supreme circle segment cutters perform finishing tasks up to 90% faster than traditional ball nose endmills.
Photo Credit: Walter USA
Walter USA introduces two solid-carbide circle segment milling cutters, the MD838 Supreme (conical) and the MD839 (tangential) Supreme. With new geometry featuring large radii in the cutting area and a higher number of teeth, the milling cutters are said to enable up to 90% faster finishing compared to ball nose endmills.
More teeth obtains tougher and more reliable machining, even with long overhangs to attain high component precision, Walter says. Both milling cutters are ideal for final machining of components with steep walls, deep cavities, prismatic surfaces and transition radii within the energy industry, die and moldmaking, medical technology manufacturing and aerospace, as well as general metalworking.
The Walter MD838 Supreme (conical version) has an effective radius of 250-1,000 mm, a corner radius of 0.5-4.0 mm and is available in diameters of 6-16 mm. Walter also offers a version of this tool with ConeFit exchangeable head.
The MD839 Supreme (tangential version) has an effective radius of 100 mm, a corner radius of 1-4 mm and in diameters of 6-16 mm. The two circle segment milling cutters are available both in the WJ30RD grade, for steel or cast iron materials, as well as in WJ30RA for ISO M and S.
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