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#117 Cam Between Friction Rollers Valve Motion – 507 Mechanical Movements 3D Animation

Movement No. 117 demonstrates a cam-and-roller yoke mechanism used to drive the valve of a steam engine. A profiled cam rotates continuously on a shaft and is positioned between two friction rollers mounted inside a yoke. As the cam rotates, its varying profile pushes against first one roller then the other, driving the yoke back and forth in a reciprocating rectilinear motion. The two rollers ensure that the cam maintains positive contact in both directions — one roller is pushed as the cam lobe advances, and the other limits the return — eliminating backlash and side play. The yoke, connected to a valve rod, transmits this precise reciprocating motion to the steam engine valve, controlling the timing of steam admission and exhaust. This positive-drive arrangement provides reliable, low-wear valve actuation even at high operating speeds.

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3D visualization of mechanism from the classic engineering reference "Five Hundred and Seven Mechanical Movements" by Henry T. Brown.

About this Project:
I am recreating all 507 mechanical movements in high-quality 3D animations. This library serves as a visual guide for engineers, students, designers, and hobbyists to understand kinematics and mechanical design.

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If you find these visualizations helpful, please subscribe to follow the progress as I complete all 507 movements.

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Видео #117 Cam Between Friction Rollers Valve Motion – 507 Mechanical Movements 3D Animation канала Formline 3D Mechanisms
507 mechanical movements mechanical movements mechanism animation mechanical mechanism engineering mechanism mechanical motion mechanism design 3d animation mechanical animation engineering animation technical animation blender animation blender 3d procedural animation mechanical engineering machine elements kinematic mechanism mechanical principles engineering visualization industrial mechanism 507 mechanisms mechanical movements series
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12 июня 2026 г. 2:00:38
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