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10/2/2009

Precisely Grind Helical/Spur Gears

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The Holroyd gear and thread grinder, GTG2, is designed for precision grinding of helical/spur gears in diameters ranging to 350 mm. According to the company, the machine can grind small batches of these gears to high levels of DIN and AGMA quality standards.

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The Holroyd gear and thread grinder, GTG2, is designed for precision grinding of helical/spur gears in diameters ranging to 350 mm. According to the company, the machine can grind small batches of these gears to high levels of DIN and AGMA quality standards. The machine is said to produce accurate master gears, precision prototyping and timing gears for aerospace applications as well as gearboxes, oil pumps and other high-performance helical gears for automotive applications. The machine is also suited for applications including F1, industrial optics and custom-designed industrial products.

The relatively low-volume machine’s onboard technology is said to provide flexibility and short setup times. This technology is said to predict actual stresses. For example, as pressure on the gear teeth increases, so does the risk of pitting (macro or micro) and eventual gear failure, the company says. The software addresses this issue, which enables the machine to optimize gear design with profile and lead modifications that achieve the optimum contact conditions for low noise and high strength.

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