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Gear Blanks
Gear Blanks & Raw Material

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All Metals & Forge Group, LLC
All Metals & Forge produces rings, flanges, gear blanks, single and double hubs, trunnions, bevel gear blanks, couplings, seamless rolled rings, rims, center hubs, sleeves, gear blanks, discs (pancake forgings), pinion shafts, step-downs, spindles, rack forgings in gear quality carbon and alloy steels with through-hardening, carburizing and bearing quality grades with forged-in steps to save on machining. Shafts are available up to 45-feet-long and 50,000 pounds and the company can produce part weights from under 100 pounds to more than 30 tons for the gear industry.

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Gear Blanks

Articles About gear blanks


1 Gear Blanking (May/June 1992)

The term "blanking" refers to the initial metal cutting operations in the process planning sequence which produce the contour of a part starting from rough material. The scope of blanking is: To remove the excess material To machine the part to print specifications, except for those surfaces with subsequent finishing operations. To leave adequate machining stock for finishing operations. To prepare good quality surfaces for location and clamping of the part throughout the process.

2 Good Gears Start With Good Blanks (November/December 1987)

The quality of the finished gear is influenced by the very first machining operations of the blank. Since the gear tooth geometry is generated on a continuously rotating blank in hobbing or shaping, it is important that the timed relationship between the cutter and workpiece is correct. If this relationship is disturbed by eccentricities of the blank to its operating centerline, the generated gear teeth will not be of the correct geometry. During the blanking operations, the gear's centerline and locating surfaces are established and must be maintained as the same through the following operations that generate the gear teeth.

3 Revolutions (January/February 2004)

"Magnetic Filtration" and "Better Blanking from Bar-Stock"

4 The Effect of Flexible Components on the Durability, Whine, Rattle and Efficiency of an Automotive Transaxle Geartrain System (November/December 2009)

Gear engineers have long recognized the importance of considering system factors when analyzing a single pair of gears in mesh. These factors include important considerations such as load sharing in multi-mesh geartrains and bearing clearances, in addition to the effects of flexible components such as housings, gear blanks, shafts and carriers for planetary geartrains. However, in recent years, transmission systems have become increasingly complex—with higher numbers of gears and components—while the quality requirements and expectations in terms of durability, gear whine, rattle and efficiency have increased accordingly.