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Methods Machine Tools, Inc., a leading supplier of innovative precision machine tools, automation and accessories, has introduced the YASDA YBM Vi40 5-Axis Vertical CNC Jig Boring-Milling Machine for high accuracy, hard milling applications of complex dies, molds and components in industries such as aerospace, defense, automotive, medical, electronic and more. The YBM Vi40 achieves exceptionally high accuracy including simultaneous 5-Axis cone machining circularity of 2.32 µm, .89 µm positioning accuracy of the Y-Axis, and indexing accuracies of ± 0.50 sec on the B-Axis and ± 0.20 sec on the C-Axis. A 24,000 RPM, 40-taper direct-drive spindle offers a high degree of precision throughout the entire speed range.

“We are very pleased to offer a new YASDA 5-Axis solution for complicated part and mold geometries in extremely hard materials, where five axes are more productive than three,” said Mr. Steve Previti, YASDA Product Manager, Methods Machine Tools, Inc. “The YASDA YBM Vi40 produces surface finishes which meet extremely tight tolerances and do not require secondary finishing operations.” The YBM Vi40 offers 5-sided machining in a single set-up. The number of operations is dramatically reduced by offering 3+2-Axes machining where 3-Axes are simultaneously machining by fixing the index angles of B/C-Axes, as well as 4+1 Axes machining where 4-Axes are simultaneously machining by fixing the index angle of the B-Axis.

Building on the well-known, highly accurate and rigid YBM machine structure, the new Vi40 features a symmetric bridge-type structure, resulting in ultra-high precision when making heavy cuts. Single-piece high-grade cast iron construction, including the column and top beam, increases the rigidity. A highly rigid feed drive system features large diameter ball screws and high-speed interpolation control. Three bearings support a precisely assembled worm gear driven B-Axis, and a highly accurate direct-drive motor is included on the C-Axis.

To reduce thermal distortion and achieve the highest precision 5-Axis machining, including over long production runs, the YBM Vi40 features a thermal distortion stabilizing system where the X-Y-Z axes and two rotational axes (B/C) are maintained to +/- .2 degrees C to shop ambient. Circulating temperature-controlled oil through the machine minimizes thermal displacement of each axis. A highly rigid and accurate rotary B/C-Axis mounted on the Y-Axis machine bed controls movement and offers machining stability even when adding up to 400 lbs. of weight including the fixture and part.

An exclusive spindle bearing preload self-adjusting technology provides optimum preload at the full range of spindle speeds. YASDA has developed a mechanism that applies a large preload at low-speed rotation, and the preload decreases according to the amount of heat generated by the spindle bearing at high-speed rotation. A full range of machining if offered, from heavy duty roughing to delicate fine finishing, all while providing a long tool and spindle bearing life.

For efficient, high precision 5-Axis operation, accessibility between spindle and workpiece, and operator and the machining point has been optimized to reduce distances. Greater work piece access allows for shorter tool lengths thus enabling enables higher feed rates. A variety of features are offered for ease-of-use including high-speed, smooth TCP; a command for tilted working plane indexing; a rotation center calibrating function and more. Also, standard on the Vi40, CAMplete TruePath™ software enables analysis, modification, optimization and simulation of 5-Axis tool paths in an integrated 3D environment.

The new YASDA YBM Vi40 has a work envelope with X-Y-Z travels of 35.4″ x 19.7″ x 17.7″ (900 mm x 500 mm x 450 mm), respectively, a vertical rotation of 360° and a horizontal rotation of +/- 100°. An Automatic Tool Changer holds up to 60 tools with an option to hold 100 tools. The powerful, new easy-to-use FANUC FS31i-B5 control is furnished standard.

In 2013, Methods announced their new partnership with YASDA , the premier Japanese builder of machining centers and jig borers with a reputation of preeminence in accuracy, precision and quality.

In order to ensure the utmost in quality and precision, YASDA Precision uses only YASDA machines to build their own machine tools. With meticulously hand-scraped surfaces and superior machine construction, YASDA’s extremely high precision stands alone. Methods represents YASDA across the U.S. and will be bringing local application, sales & support expertise to YASDA customers.

Methods Machine Tools, Inc. has been a leading supplier of precision machine tools, automation and accessories for over 55 years, providing extensive applications engineering support, installation, parts, service, and training through a network of large state-of-the-art technology centers and dealers throughout North America. For more information, please contact Methods at 65 Union Avenue, Sudbury, MA 01776, TEL: (978) 443-5388, FAX: (978) 440-9405, Email: 

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