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Double herringbone gear in-phase processing method

A technology of herringbone gears and herringbone teeth, which is applied to components with teeth, belts/chains/gears, gear teeth, etc., can solve the problem of low co-phase accuracy of double herringbone gears, and achieve high co-phase precision and easy operation simple effect

Active Publication Date: 2006-12-13
CHINA FIRST HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the present invention: In order to overcome the low in-phase accuracy of the double herringbone gears processed by the existing method, the present invention provides a new processing method to ensure that the centers of the herringbone teeth of the double herringbone gears are in the same phase. The center distance of the left and right spiral teeth in the shaft section is equal to indirectly control the phase difference of the center of the herringbone gear

Method used

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  • Double herringbone gear in-phase processing method

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Embodiment Construction

[0019] see Figure 1-Figure 6 , the double herringbone gear shaft blank is clamped on a high-precision CNC milling and boring machine, two process pin holes (5) are drilled on the two addendum circles of the double herringbone gear (1), two Drill two process pin holes (5) on the addendum circle, and control the center distance of the pin holes (5) of the herringbone gear (1) to be equal to the center distance of the pin holes (5) of the herringbone gear (2); then, set the angle The Y-axis reference side of the paper is aligned with the left end face of the herringbone gear (1) left-handed gear, and the hypotenuse of the angle paper passes through the center of the gear (1) process pin hole (5) to draw the left-handed herringbone gear (1) Gear tool setting center line (3); align the Y-axis reference edge of the angle paper with the right end face of the right-handed gear of the herringbone gear (1), and make the beveled edge of the angle paper pass through the process pin hole ...

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Abstract

The invention discloses a method for preparing double cross gear, belonging to mechanical process technology. Said double cross gear is formed with left-and-right involutes helicoids, the cross gear center is the cross point of left gear central line and the right one; if the two cross gear is the same phase, the cross gear center 3 on graduated cylinder gear 1 and cross center 4 on gear 2 are at the same bus wire; and if projected on gear graduated circumference, the two cross gear center 3 and 4 are at the same circumferential position; and if the cross gear center 3 and 4 are at different phase, the cross gear 1 and 2 are at the same phase, then s1 equals to s2, and the center distance of left gear and right gear of two cross gears are equal, 11=12; clamping double cross gear blank on digital control milling machine for preparation.

Description

Technical field [0001] The invention relates to a processing method of a double herringbone gear, belonging to the technical field of mechanical processing. Background technique [0002] At present, the processing method of the herringbone gear is to process the gear symbol diagram of one side of the herringbone gear first, and then draw the tool setting line of the other side gear according to the processed teeth, and hob the herringbone gear according to the tool setting line. Side Gears Symbol Diagram. Because the two herringbone gears on the same shaft are processed based on the marking line, the center of the two herringbone gears processed in this way has a low accuracy of the same phase of the herringbone gear centers, and the phase error can reach 1mm. Contents of the invention [0003] Purpose of the present invention: In order to overcome the low in-phase accuracy of the double herringbone gears processed by the existing method, the present invention provides a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23F7/00
Inventor 杨兆军葛树义刘成河
Owner CHINA FIRST HEAVY IND
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