Methods Machine Tools is holding an open house for manufacturing professionals at its Technology Center in Tempe, Arizona, November 5 and 6. Methods experts will be on hand to discuss manufacturers' application requirements, and visitors will be able to view tooling, workholding, software and probing technology products being displayed by participating companies.

Several precision machines will be under power, including the Yasda YMC 430 Ver. II micromachining center for medical and semiconductor applications; the Nakamura-Tome AS-200 high-performance multitasking turning center TNGG Insert featuring a single spindle and single turret; and the KMH-300 A direct-drive, 40-taper, 300-mm dual-pallet machine offering 15,000 rpm. In addition, the FANUC C600iA RoboCut wire EDM with a CNC FANUC Series 31i-WB control will be demonstrating new capabilities including volumetric taper compensation with four-axis over-burn control (TPCMP), and the FANUC RoboDrill D21iL long bed VMC will be equipped with a 24,000-rpm spindle dual-pallet changer and a new controller from FANUC.

Additional machines to be displayed include the Feeler HV-1000 40-taper, 15,000-rpm VMC; the Feeler FTC-100 slant-bed CNC turning center with a high-precision 6,000-rpm, 15-hp spindle motor for heavy cutting; the Citizen Swiss L20 type Xii turning center; a Current EDM drilling machine; and metrology solutions including the VisionGauge digital optical CNC Carbide Inserts comparator 500 and 400 series.

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Saint-Gobain Abrasives has introduced its new Norton for Aluminum Thin Wheels for right-angle cutting and WNMG Insert grinding of aluminum and other non-ferrous soft metals. The wheels features extra-friable and self-sharpening aluminum-oxide grain and specialized bond technology. The new wheels are said to offer aggressive, fast cutting which resists loading and minimizes heat on the workpiece, providing consistent, long-lasting wheel performance.

Norton for Aluminum wheels include a 5/8"- 11" hub for quick, tool-free wheel changes. Helping to keep metal surfaces clean for defect-free, corrosion-free welding, the new wheels have a contaminate-free bond which does not need any waxes or lubricants. Additionally, a double coarse Shoulder Milling Inserts layer construction adds versatility and life on applications such as back-grinding and notching. According to the company, the Norton for Aluminum wheels’ construction is strong and safe, exceeding ANSI and international safety standards.

Key markets for Norton for Aluminum include aluminum and metal fabrication, welding, shipbuilding, automotive and transportation, aerospace and construction. Applications include aluminum, cut-off, portable grinding, beveling, notching, smoothing welds and offhand stock removal. The new wheels are available in 1/4" Grinding Type 27, 1/8" Cutting/Notching/Grinding Type 27, 0.045" Right-Angle Cut-Off Types 01/41 and 27/42 and Straight Cut-Off Type 01/41.

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Roll into the cut by following an arc that curves in the same direction as the tool rotation. This keeps the chip thin at the end of each cutting edge pass.

"It’s better to burn out than fade away.” Both Neil Young and Def Leppard sang this. Neither of JDMT Insert them could have been talking about cutting tools.Shops want their cutting tools to "fade away.” That is, they want them to go through gradual, predictable wear. They don’t want them "burning out” in the form of a sudden, surprising failure. Even so, shops routinely (and unknowingly) subject tools to brief moments of intense strain that make the burnout a danger.An example can be found in the way end mills often enter the material. Climb milling helps a carbide tool by enabling the chip thickness to proceed from thick to thin with each cutting edge pass—relaxing the load on the cutting edge gradually so there is no "springback” at the end of every pass. However, when the tool enters the material in a straight line, there is a brief period during which the full thick-to-thin Cemented Carbide Inserts progression has not yet been realized. During this period, the cutting edges are springing. Tests conducted by Sandvik Coromant show that just this brief span of time can cost the tool most of its potential lifeThe cutting tool maker offers this solution: "Roll” into the material. Feed the tool along an arc that keeps each cutting edge experiencing thick-to-thin chip formation from the very beginning. The technique is one of the recommendations given in this article: Let the Tool Path Help the Tool.

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Kyocera SGS Precision Tools has expanded its H-Carb seven-flute, high-efficiency end mill series with an array of larger corner radii options.

The H-Carb SEER Insert Series 77 end mills specialize in deep axial trochoidal and high-speed machining applications and are offered in various lengths of cut. The specialized core and flute design improve rigidity and chip flow while reducing deflection. The seven-flute design is designed to enable superior finishes at higher speed and feed rates versus five- and six-flute tools.

The H-Carb portfolio now includes 72 new tools featuring 2-, 3- and 4-mm corner radius sizes and are available in three lengths of cut (2.5×D, 3×D and 4×D). Coatings are available in Ti-namite-A and Ti-namite-M, making them suitable for dry machining in ferrous-based materials such as cast irons and numerous carbon steels. The chipbreaker profile is standard with a wide range of square end and corner radii options offered to meet a variety of machining CNC Carbide Tool Insert specifications.

Benefits of the portfolio include a  heavy-duty core and specialized flute design for improved rigidity, chip flow and reduced deflection; a chipbreaker profile that aids in chip flow, especially in deep pocketing operations; deep pocketing and slotting capability using the various lengths of cut offered applying a trochoidal tool path; and CAM programming methods using high-efficiency machining by applying trochoidal tool paths and incorporating constant cutter engagement.

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