◆M 290 Metal 3D Printer
Explore laser powder bed fusion through a metal 3D printer cutaway, with scanning mirrors, a growing turbine blade and adjustable printing parameters.
Interactive Engineering: Four-Stroke Engines and Mechanical Assembly
Follow one part to understand the mechanism.
Start with the transfer of motion. The four-stroke engine demonstration connects crankshaft, rod, piston and valves, separating intake, compression, power and exhaust into four stages. Assembly experiences help explain where parts sit and how they connect.
Engineering models often omit fasteners, lubrication, deformation or control systems. Cutaways, exploded views and slowed motion explain working processes, while dimensions, speeds and readouts may be simplified. Check the particular work’s model and parameters before comparing real machines.
Questions to explore
- Where does motion enter the mechanism, and how does it reach other parts?
- How do piston direction and valve state correspond in each stroke?
- Which systems that matter in a real machine are omitted?
Experiences in this collection 14
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◆Inside a DC Solenoid
Inspect a DC solenoid cutaway and follow current, magnetic action, plunger movement and spring return through an electrical view.
◆Keyboard Switch, Sawn Open
Look inside mechanical keyboard switches through an interactive cutaway and compare the relationship between key travel and the internal mechanism.
◆Four-Stroke Engine · Half-Section
Follow piston, connecting rod, crankshaft and valve movement through a four-stroke engine half-section created by nader0913.
◆Film Projector
Explore a retro film projector as an interactive mechanical illustration, connecting film movement with the projection apparatus.
◆How a Toilet Flushes
Follow a cistern and bowl cutaway through flushing, siphoning and refilling, with a float and valves coordinating the cycle.
◆How a Fridge Keeps Food Cold
Inspect a fridge cutaway with a cold plate, warm rear coils and a compressor, then compare door and thermostat settings.
◆How Lift Safety Gear Works
Scrub a lift-shaft cutaway to follow a speed governor triggering safety gear that brakes the car against its guide rails.
◆How a Zipper Works
Drag a cutaway zipper slider to see its Y-shaped channel guide two rows of teeth together and separate them again.
◆Hand Grinder · Burr Gap
Explore an exploded hand coffee grinder and turn its adjustment ring to compare the spacing between conical burrs.
◆RB19 · Engineering Explorer
Explore the RB19 through component views and simulated telemetry.
◆Microduck · 3D Assembly Lab
Inspect robot components in a 3D assembly viewer and explore the Microduck assembly guide.
⚙Four-stroke Engine
Turn the crankshaft and discover how the piston, connecting rod and valves work through a complete four-stroke cycle.
↗Roadster Flight Explained
Explore suction, reaction torque and controlled landing in a mechanical interpretation of the Roadster demonstration.