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  • Reciprocating Insert Applicator Machine and Gear Tooth Heating Application
    Application Description: A conveyor is feeding randomly spaced product to a reciprocating inserting station. Upstream, a motor is driving the conveyor carrying the product. The conveyor travels at various speeds depending on the product being transported. The insert must be properly placed and
  • Gear Drives
    The most reliable means for changing shaft speed remains a mechanical variable-speed transmission. These drives are used to provide a variable output speed from a constant-speed power source (as in a machine tool driven by a constant-speed ac motor) or to provide torque increase
  • A Plastic Gear Design Update
    This article appeared in the May 11, 2006 issue of "Machine Design" magazine under the title,. "No More 'Girlie Man' Gears: Advanced Polymers Let Designers Replace Metals in Large,. Complex Gear Sets that Can Carry Heavy Loads and Survive Harsh Environments."
  • Gear Design: Breaking the status quo
    pinion and gear, respectively. Invention of the gear-hobbing process about 150 years ago revolutionized not only gear fabrication, but also gear design. Basically, a hob or shaper cutter traverses the gear blank to generate teeth. The advantage is that one gear-generating tool can machine gears
  • Tooth for Tooth: Gear Cutting (.pdf)
    that allows gear-cutting tools to be used with conventional lathes. The new technique enables the cutter head to rotate steplessly all the way around the shaft, thus eliminating the need for costly B axes on the machine and allowing the entire gear-cutting process to be realized without rechucking.
  • Machine Design's Best of the Web
    Here are the engineering Web sites Machine Design editors found to be interesting, useful, and worth a look. Attend a Web event by National Instruments at PROGRAMMABLE AUTO CONTROLLERS WITH EMBEDDED TECHNOLOGY Learn how to optimize existing facilities and new machine designs using PACs
  • Worm-gear reducers reach new heights
    a redesigned breather and textured shaft surface, letting the manufacturer offer an 18-month leak-free guarantee. An automatic centering machine measures gearbox components and guides assembly to maximize operating efficiency. This novel breather plug features a spring that prevents oil bubbles from
  • Machine Tool Builder Demands Ultra-Precise Racks To Eliminate Need for Error Compensation
    For years, a machine tool builder had manufactured their own precision gear racks to achieve ultra-precise positioning on their machines. They also needed this because their critical customers demanded that their machines maintain accurate positioning without any error compensation on the axis.

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