Mechanisms — Cams & Eccentrics

Recent Blogs

Cam-operated Shears diagram
Cam-operated Shears
Cam-operated Shears use a rotating cam to drive a precision blade stroke for high-speed cutting in wire, tube, and sheet-metal production lines.
Valve Motion Eccentric diagram
Valve Motion Eccentric
How the Valve Motion Eccentric converts crankshaft rotation into slide-valve linear motion on steam locomotives, mill engines, and traction engines.
Wedge Cam diagram
Wedge Cam
Wedge cam mechanism explained — how the inclined slider converts linear input into precise follower lift, with formulas, tolerances, and real machine examples.
Waved-wheel Cam to Upright Bar diagram
Waved-wheel Cam to Upright Bar
Waved-wheel cam to upright bar mechanism explained — how the wavy face cam drives a vertical follower, formulas, worked examples, and real industrial uses.
Three-wiper Rectangular Frame Reciprocator diagram
Three-wiper Rectangular Frame Reciprocator
Three-wiper rectangular frame reciprocator explained — how the cam frame converts rotation into 3 phased linear strokes for printing, dosing, and inspection lines.
Spiral Guide on Disk (drilling Feed) diagram
Spiral Guide on Disk (drilling Feed)
Spiral guide on disk converts rotation into linear drilling feed. Learn how the Archimedean groove drives drill-press quills with a worked example and selection rules.
Self-reversing Motion Contrivance diagram
Self-reversing Motion Contrivance
How a self-reversing motion contrivance converts continuous rotation into reciprocating linear traverse — used on level-wind reels, winders, and lathes.
Reciprocating Pump From Rotary via Cam diagram
Reciprocating Pump From Rotary via Cam
How a rotary cam drives a reciprocating pump plunger — stroke geometry, flow output, and worked sizing for dosing, lubrication, and chemical injection.
Oblique-disk Reciprocating Rectilinear diagram
Oblique-disk Reciprocating Rectilinear
Oblique-disk reciprocating rectilinear mechanism explained — convert rotation to linear stroke for pumps, compressors, and metering systems. Math, examples, tradeoffs.
Modified Triangular Eccentric (paris Mint) diagram
Modified Triangular Eccentric (paris Mint)
Learn how the Modified Triangular Eccentric (Paris Mint cam) drives coining presses with controlled dwell, peak force timing, and 80-120 strikes per minute output.
Modified Eccentric with Elongated Yoke diagram
Modified Eccentric with Elongated Yoke
Modified eccentric with elongated yoke explained — how the slot geometry tunes dwell, stroke and velocity in textile, printing and packaging machinery.
Inverse Cam diagram
Inverse Cam
Inverse cam mechanism explained — how the follower drives the cam in reverse-action linkages, with formulas, real machines, and design tradeoffs.
Grooved Heart-cam diagram
Grooved Heart-cam
Grooved heart-cam explained — how the symmetrical groove drives uniform reciprocating motion in textile combers, winders, and traverse mechanisms.
Globoid Cam diagram
Globoid Cam
Globoid cams index rotary tables in packaging, assembly and machine tools. Learn how the hourglass cam works, sizing math, and real industrial uses.
Face Cam diagram
Face Cam
Face Cam mechanism explained — how the axial groove drives a follower, design formulas, tolerances, and real examples from textile and packaging machines.
Expansion Eccentric (steam Engine) diagram
Expansion Eccentric (steam Engine)
Learn how the expansion eccentric controls steam cutoff in stationary engines, with formulas, a worked Corliss example, and tradeoffs vs Stephenson and Walschaerts gear.
Eccentric Cone Change-velocity (form 2) diagram
Eccentric Cone Change-velocity (form 2)
Eccentric Cone Change-velocity (form 2) explained — how the tilted cone profile generates non-uniform output for textile, packaging, and winding machines.
Eccentric Cone Change-velocity (form 1) diagram
Eccentric Cone Change-velocity (form 1)
Eccentric cone change-velocity mechanisms convert steady rotation into variable output speed. See how textile and packaging machines use them, with formulas and examples.
Disk Cam with Translating Follower diagram
Disk Cam with Translating Follower
Disk cam with translating follower explained — how the rotating profile drives a sliding follower, sizing math, and real applications in packaging and engines.
Disk Cam with Oscillating Follower diagram
Disk Cam with Oscillating Follower
Disk cam with oscillating follower converts shaft rotation to controlled angular swing. Used in textile looms, packaging machines, and valve gear timing.
Continuous Rotary Cam to Alternating Bar diagram
Continuous Rotary Cam to Alternating Bar
How a continuous rotary cam drives an alternating bar — design rules, formulas, worked example, and real packaging and textile machine applications.
Conjugate Cam diagram
Conjugate Cam
Conjugate cams use two cams on one shaft to drive a follower with zero backlash. See how textile, packaging, and press machines use them —...
Heart-cam (uniform Traversing) diagram
Heart-cam (uniform Traversing)
Heart-cam mechanism delivers uniform back-and-forth traversing motion. See how textile combing rollers and yarn winders use it, with formulas and a worked example.
Cams on Shaft to Alternating Rod Motion diagram
Cams on Shaft to Alternating Rod Motion
How cams mounted on a common shaft drive alternating rod motion in printing presses, packaging lines, and textile machines — with formula, worked example, and...
Cams of Varying Throw (expansive Valve) diagram
Cams of Varying Throw (expansive Valve)
Cams of varying throw control steam expansive valves by shifting cam lift to change cutoff timing. See how the mechanism works in marine and locomotive...