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  • Gear Tooth Form
    Gear tooth geometry is determined primarily by pitch, depth, and pressure angle. Standard pitches are usually whole numbers when measured as diametral pitch , the ratio of the number of teeth to the pitch diameter in inches. Coarse-pitch gearing has teeth larger than 20 diametral pitch -- usually
  • 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
  • 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
  • Stopping tooth fractures before they start
    Modifying gear profiles increases fracture strength and prevents tooth fractures. University of Mining and Metallurgy The most common failures in high-performance gears are gear-tooth fractures. They often stem from fatigue cracks that start at the root of the tooth. Repeated bending loads widen
  • P/M Materials for Gear Applications
    P/M materials for gear applications have been reviewed based on results of own investigations of gear tooth bending strength of simple spur gears and rolling contact fatigue resistance of rollers. It was concluded that surface densified casehardened P/M gears reached gear tooth bending strength
  • Tooth for Tooth: Gear Cutting
    Precise gear cutting doesn't come cheap. Until now it has been necessary to rechuck workpieces numerous times or use costly CNC lathes. But as the saying goes, "it ain't necessarily so," because EWS Werkzeugfabrik design engineers have developed, in collaboration with Gildemeister, a solution
  • Tooth for Tooth: Gear Cutting (.pdf)
    Precise gear cutting doesn't come cheap. Until now it has been necessary to rechuck workpieces numerous times or use costly CNC lathes. But as the saying goes, 'it ain't necessarily so,” because EWS Werkzeugfabrik design engineers have developed, in collaboration with Gildemeister, a solution
  • The Nature of The Enveloping Cut
    Deviations from the theoretical or design generating helix. of the hob effect the polygonal path of the enveloping cut. along the gear tooth profile

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