Mechanical Engineering

9 interactive Design & Technology simulations on mechanical engineering.

Material selection chart – strength and stiffness against density Design & Technology · Mechanical Engineering An Ashby-style log–log chart places 24 materials (metals, polymers, timbers, GFRP and CFRP composites, ceramics and... Ages 16–17
Production line – takt time, bottleneck station and output Design & Technology · Mechanical Engineering The line has several stations in series, each with its own processing time; click Run to watch parts move along the... Ages 16–17
Four-stroke internal combustion engine – valves, ignition and the work diagram Design & Technology · Mechanical Engineering A cutaway view of one cylinder of a four-stroke engine: the piston, connecting rod, rotating crankshaft, and the... Ages 16–17
Machining basics: turning and milling – primary motion and feed motion Design & Technology · Mechanical Engineering Choose a lathe or a milling machine, then press Run to watch the primary motion (the workpiece spins on a lathe, the... Ages 16–17
Motion transmission – belt, chain and gear drives Design & Technology · Mechanical Engineering Two wheels are coupled by a belt, chain or meshing teeth: the driver wheel turns at a set speed, and the driven... Ages 13–14
Car drivetrain – clutch, gearbox, drive axle and tractive force Design & Technology · Mechanical Engineering Power runs from the engine through the clutch, gearbox and drive shaft to the drive axle and wheels: each stage... Ages 16–17
Tensile test of mechanical materials – stress–strain graph, yield and tensile strength Design & Technology · Mechanical Engineering A metal specimen is clamped in a tensile-testing machine: drag the slider (or click Auto pull) to increase the... Ages 16–17
Smart and modern materials – thermochromic, photochromic, shape-memory alloy, graphene, metal foam, titanium, carbon fibre Design & Technology · Mechanical Engineering A virtual lab: heat or cool a thermochromic pigment, a thermochromic liquid crystal and a nitinol wire, and shine UV... Ages 16–17
Materials and their working properties – test and choose a material Design & Technology · Mechanical Engineering Choose a material family (papers and boards, hardwoods, softwoods, manufactured boards, ferrous and non-ferrous... Ages 13–14