tooling, cutting tools, tool holders

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December 22, 2003-- Highlights and Links for Modular tip drills, ceramic composite cutting tools, carbide drill inserts, parting and grooving, and more.

KenTip modular carbide drills feature tips that can be changed without removal from the machine, reducing setup time. They are available in inch sizes from 5/16'' to 5/8'' and metric sizes from 8 mm to 16 mm. KenTip drills feature Kennametal's HP geometry with a higher positive rake angle and special edge preparation that provides 30-50 percent higher tool life than existing carbide drills and higher penetration rates on Z-axis thrust-limited machines. Drill bodies are available in lengths 3X and 5X hole diameter. Round shank bodies are suitable for high performance holding devices such as shrink fit adapters, hydraulic chucks, power grip chucks, and collet chucks. Kennametal Inc.

WG-600 is a second-generation whisker-reinforced ceramic composite cutting tool. It provides excellent wear and thermal shock resistance in machining high-strength alloys, hardened steels, hard irons, and plasma spray materials. WG-600 is especially well suited for finishing high-strength alloys, achieving length-of-cut times as much as six times better than present whisker-reinforced ceramic insert grades. WG-600 is available in all standard ceramic styles as well as special designs. Greenleaf Corp.,

The Xtra-tec B 401x solid carbide drill features exchangeable two- point bits and spiral flutes, doubling the feed rate with two effective cutting inserts. Changeover requires only one clamping screw. Positive insert geometry and the spiral chip flutes ensure excellent chip flow, minimizing cutting forces. The drill is available in diameters from 12 to 31 mm. The standard drill length is 3xD, SxD, and 7xD. Standard designs, intermediate diameters, or special lengths are available and can be fitted with customized inserts. Walter AG,

The ValGroove system features single and double-edge insert designs, new chipbreaker geometries, improved grade technology including PCD and CBN, and a complete range of tool holders for parting, grooving, turning, undercut grooving, profiling, and internal and face grooving. VSG single-edge inserts feature five geometries and are available in three new carbide grades. VTG double- edge insert styles include two geometries and two new carbide grades. ValGroove includes steel tool holder styles including tool blocks, parting blades, integral shank tool holders, small shank tool holders, deep groove tool holders, and modular VM tool holders for 90-degree and axial cutting. Valenite Inc.,

Titespot keyseat cutting heads are coolant-driven and eliminate secondary broaching or milling operations on gears, sheaves, hubs, and pulleys. Designs for machining centers load easily from the ATC; a lathe version allows keyseat cutting to be combined with turning and boring operations. Both are available in all popular shank styles. The head incorporates a positive displacement ball piston motor powered by high-pressure coolant (300-2,000 psi). A 6.5 to 1 gear reduction generates up to 10 ft. lb of torque at 1,000 psi coolant pressure. Heads are available in four standard sizes, suitable for machining in bores down to 0.5 ID. Cutters are available in widths from 3/32'' to ''. Eltool Corp.,

A full range of solid carbide end mills, polycrystalline diamond (PCD), and insert tools are designed for optimum aluminum machining. Solid carbide end mills are ideal for machining in low silicon content aluminum (less than 5 percent). PCD end mills are designed for machining highly abrasive aluminum alloys (more than 12 percent). PCD allows more than twice the cutting speed of standard carbide end mills and more than 50 times the tool life. PCD and solid carbide end mills are available from stock in ball nose, torus, and flat-end designs. PCD tools range in size from 4 to 12 mm; solid carbide from 0.5 to 20 mm; insert tools in diameters from 10 to 125 mm. Emuge Corp.,

The G5 shrink-fit tabletop induction-heating machine provides integrated refrigerant cooling and a three-station rotary tool holder table that allows operators to heat and cool three tool holders at the same time. The standard G5 machine has a manual vertical column for raising and lowering the heating coil over the tool holder nose. The standard temperature range, from 500 to 600 degrees F, expands tool holder bores in six seconds. Higher temperatures are possible for use with small carbide, high-speed steel, and standard alloy tool holder shanks. TM Smith Tool,

Millstar's 24-page catalog for 2004 highlights its high performance machining (HPM) line of cutting tools, including ball, flat and Toroid inserts for HPM as well as solid carbide ball, flat, bull nose, and Toroid HPM tooling. The catalog also includes solid carbide shank tool holders for better stiffness and performance in short- and long-reach applications. Millstar LLC,

Catalog features Diamondgraphite DG and Diamond Plus DP, solid carbide, diamond-coated end mills. The 4-page brochure outlines the sizes, pricing (reduced), and configurations of CVD diamond coatings. The Diamond-graphite DG tools are specifically designed for higher performance graphite machining operations; while the Diamond Plus DP tools provide the ultimate answer in hard carbon, high-silicon aluminum, metal matrix composites, and plastics applications. Niagara Cutter,

The Exocarb thread mill is designed for applications requiring difficult-to-machine exotic materials such as Inconel, titanium, and high-nickel content alloys used for aerospace, medical, and military components. Special submicrograin carbide and a unique TiAlN coating enable tools to perform well in materials up to 55 Hrc. The Exocarb thread mills are available in standard inch and metric sizes and feature most thread types (UNC, UNF, UNEF, UNS, NPT, NPTF). OSG Tap & Die Inc.,

ProfileMaster makes it possible to machine complex parts without a tool change. It can turn, drill, part, and groove with only one tool. The tool features six coolant holes that provide cooling on the edge as well as efficient chip evacuation in connection with a helical chip flute. Possible operations include drilling a flat bottom hole, counterboring, creating radial grooves, inclined surfaces, face turning, and turning external profiles. By clamping a left-hand insert into a right-hand tool, a ring-shaped axial groove can be generated on the front side of the workpiece as well as in stepped holes or on the bottom of the hole. Ceratizit,

The HM90 AXCR 1505 R-P insert is another evolution in machining aluminum. The inserts can withstand high cutting and centrifugal loads due to two stopper slots at the bottom and two matching protrusions on the new tool's pocket. As most of the cutting force is transferred to the pocket instead of to the clamping screw, high clamping force and precision of the cutting edge location are maintained even during high feed machining. The insert features helical, sharp ground cutting edge and polished chipformer rake. Insert location tolerance is within 0.02 mm. Iscar Inc.,

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