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Pressure angle

About: Pressure angle is a research topic. Over the lifetime, 1373 publications have been published within this topic receiving 10245 citations. The topic is also known as: angle of obliquity.


Papers
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Journal Article
TL;DR: In this paper, mathematical formulas for the profile coordinate, pressure angle and radius of curvature of a cylindrical cam with an oscillating roller follower were derived comprehensively and systematically.
Abstract: Mathematical formulas are derived comprehensively and systematically for the profile coordinate,pressure angle and radius of curvature of the cylindrical cam with an oscillating roller followerThe suitability of these formulas to various working conditions are also discussedThese formulas are applicable to computer aided programming in cylindrical cam designExample shows this cam CAD design is a practical design method

1 citations

Journal ArticleDOI
TL;DR: Auxiliary Angle Method (AAM) as discussed by the authors is a method for deriving the pressure-angle expressions of planar and spatial mesh mechanisms, which is very suitable for all planar/spatial cam mechanisms.
Abstract: Starting from the planar and spatial mesh fundamental theorem, this paper puts forward a new, general and effective method for deriving the pressure-angle expressions of cam mechanisms—“Auxiliary Angle Method”. It successively overcomes the shortcomings and defects of traditional Velocity Instantaneous-pole Method’s, and is very suitable for all planar and spatial cam mechanisms. New method lay the foundations for the solution of cam mechanisms’ fundamental size tasks.

1 citations

Patent
06 Jul 2016
TL;DR: In this article, the utility model discloses an electric automobile that is used for electric automobile's reduction gear and has it, the one-level drive gear portion of reduction gear includes: driving gear and driven gear, wherein, the number of teeth of driving gear is 27 teeth, driven gear's the numberof teeth is 52 teeth, the pressure angle of one level drive gear component is alpha n, alpha n satisfies: 16.625 <= alpha n <= 18.375.
Abstract: The utility model discloses an electric automobile that is used for electric automobile's reduction gear and has it, the one -level drive gear portion of reduction gear includes: driving gear and driven gear, wherein, the number of teeth of driving gear is 27 teeth, driven gear's the number of teeth is 52 teeth, the pressure angle of one -level drive gear portion is alpha n, alpha n satisfies: 16.625 <= alpha n <= 18.375. According to the utility model discloses a reduction gear can show the noise that reduces in reduction gear and the driver's cabin.

1 citations

Patent
09 Apr 2019
TL;DR: In this paper, a double pressure angle rack cutter profile was developed for the purpose of machining a spur gear with less teeth, and the root cutting phenomenon that a part of an involute tooth profile near the gear root is cut by a rack cutter was avoided.
Abstract: The invention discloses a cutter with a double pressure angle rack cutter profile and a method for machining a spur gear. The double pressure angle rack cutter profile comprises a top edge straight segment, a top edge arc segment, a transition inclined line segment and an inclined edge segment; the top edge straight segment is used for machining a root arc segment of a tooth profile; the top edgearc segment is used for machining a transition curve segment of the tooth profile; the inclined edge segment is used for machining an involute segment of the tooth profile; and the size of the top edge straight segment is determined by the conjugate relation with the gear root arc segment. The cutter with double pressure angle rack cutter profile developed by the invention is simple in structure and convenient to operate, by machining the spur gear with less teeth through the cutter with double pressure angle rack cutter profile, the root cutting phenomenon that a part of an involute tooth profile near the gear root is cut by a rack cutter can be avoided, and the problems that the bending resistance of the gear is decreased, and the contact ratio is lowered are avoided, so that the spur gear with less teeth is machined without root cutting.

1 citations

01 Jan 1982
TL;DR: In this paper, the design of a gear mesh is treated with the objective of minimizing the gear size for a given gear ratio, pinion torque, pressure angle, and allowable tooth lengths.
Abstract: The design of a gear mesh is treated with the objective of minimizing the gear size for a given gear ratio, pinion torque, pressure angle, and allowable tooth lengths Tooth strengths considered include scoring, pitting fatigue, and bending fatigue Kinematic involute interference is avoided The design variation on standard spur gear teeth called the long and short addendum system, is considered In this system the mesh center distance and pressure angle are maintained as is the ability to manufacture the teeth with standard tooling However, the pinion and gear tooth proportions are altered in order to obtain fewer teeth numbers for the same ratio as standard gears without kinematic involute interference The effect of this nonstandard gearing geometry with on tooth strengths and gear mesh size are studied For a 2:1 gearing ratio, the optimal nonstandard gear design is compared with the optimal standard gear design

1 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202313
202244
202127
202038
201960
201841