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Ring And Pinion Tooth Contact Pattern

Ring And Pinion Tooth Contact Pattern - Use shims to move the pinion closer to the ring gear to move the drive pattern deeper on the tooth (flank contact) and slightly toward the toe. Web toe contact pattern is concentrated off the toe end of the drive gear tooth. Incorrect backlash can lead to damaged gear teeth. The measuring calliper will identify the number of teeth in the crown and pinion, enabling a comparison against the specified design to ensure accuracy. The drive pinion depth is correct. This leads us to the following rule for ratios of approximately 2.5:1 and higher: The gear manufacturer will calculate in advance the amount of lead modification for each gear and the predicted tooth contact pattern. 2) the first step is to cover both sides of three or four teeth on opposite sides of the ring gear with marking compound. Using the ford 9 inch carrier the tooth pattern is being checked to verify the positions of the bevel gear and the pinion gear. Check for worn bearings and replace as necessary.

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Fig. 1 Drive Axle Gear Tooth Pattern s
Figure 83. Proper piniontodifferential ring gear tooth contact pattern.
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Check For Worn Bearings And Replace As Necessary.

There should be some clearance between the pattern and the top of the tooth. The tooth contact is readily affected by changes in pinion axial position. This chart illustrates different patterns and adjustments. Web the drive pattern should be centered on the tooth.

Move The Pinion Gear Closer To The Ring Gear.

Web a high, thin contact pattern that is worn toward the toe. General motors ring gear and pinion applications toyota pickup ring gear and pinion applications Web paint gear teeth with compound in several spots and rotate ring gear several revolutions. Use shims to move the ring gear farther from the pinion gear to increase backlash.

A Contact Pattern That Is Worn In The Center Of The Differential Ring Gear Tooth Toward The Heel.

If the pattern is not in the approximate position shown, reset pinion depth and backlash to correct pattern. Web the final pinion position will be verified by using the gear contact pattern method described as follows: Incorrect backlash can lead to damaged gear teeth. The top land of a gear tooth is the surface of the top of the tooth.

Reading Contact Patterns Can Be Daunting When Looking At The Average Gear Installation Guide.

See manufacturer or the gearset for exact specifications and special instructions before attempting to adjust the ring and pinion. An improper pattern will require a relocation of either or both. Web tooth contact patterns are a function of the relative positions of the ring gear and the pinion. The contact pattern on the coast side (concave) of the tooth is mostly towards the heel.

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