Theory Research and Error Analysis of Globoidal Indexing Cam

Yin, Mingfu; Wang, Xiaoliang

doi:10.1109/icdma.2010.246

Cited by 2 publications

(3 citation statements)

References 1 publication

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“…And the dial dictated by the cam is doing index movement around axis O 0 Z 0 . 10 The principal axis O 0 Z 0 of the dial is parallel to the cylindrical roller's central axis cc 0 and is perpendicular to the plane XOY . During the cam's dwell phase, the cam confines the rollers to a rigid, stationary position.…”

Section: Indexer Working Situation Analysismentioning

confidence: 99%

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Research on cylindrical indexing cam’s unilateral machining

Chen

Zhang

et al. 2015

Advances in Mechanical Engineering

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The cylindrical cam ridge of the indexer is a spatial curved surface, which is difficult to design and machine. The cylindrical cam has some defects after machining because conventional machining methods have inaccuracies. This article aims at proposing a precise way to machine an indexing cam, using basic motion analysis and analytic geometry approach. Analytical methodology is first applied in the cam's motion analysis, to obtain an error-free cam follower's trajectory formula, and then separate the continuous trajectory curve by thousandth resolution, to create a three-dimensional discrete trajectory curve. Planar formulae and spherical formulae can be built on the loci. Based on the machine principle, the cutting cutter's position and orientation will be taken into account. This article calculates the formula set as presented previously and obtains the ultimate cutter path coordinate value. The new error-free cutter path trajectory is called the unilateral machining trajectory. The earned results will compile into numerical control processing schedule. This processing methodology gives a convenient and precision way to manufacture a cylindrical indexing cam. Experimental results are also well supported.

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Section: Indexer Working Situation Analysismentioning

confidence: 99%

“…The theoretical follower's trajectory calculated by conventional method is not accurate. 10 This article uses fundamental motion analysis to fix the deviation (Figure 2).…”

Section: Error Analysismentioning

confidence: 99%

Research on cylindrical indexing cam’s unilateral machining

Chen

Zhang

et al. 2015

Advances in Mechanical Engineering

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“…In literature [5] ，use space meshing theory and rotation transformation matrix method to deduce the theory of cam's profile equation is:…”

Section: Cam's Theoretical Profile Equationmentioning

confidence: 99%

The Contact Point Regress Method and Error Calculation’s Mathematical Model of the Spatial Cam Profile Inspection

Yin

Song

2012

AMR

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Based on the CMM, the paper firstly proposes and analyzes a new contact point regress method, which adapts to measure any type of spatial cam profile. The coordinates of the measure point are regressed to that of the practical contact point of the cutter. This method realizes the measure of the practical profile of the spatial cam and establishes the mathematical model and error calculate method. In the end, a design example is present. This method will offer a new method for the inspection and error calculation of the spatial cam.

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Theory Research and Error Analysis of Globoidal Indexing Cam

Cited by 2 publications

References 1 publication

Research on cylindrical indexing cam’s unilateral machining

Research on cylindrical indexing cam’s unilateral machining

The Contact Point Regress Method and Error Calculation’s Mathematical Model of the Spatial Cam Profile Inspection

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