wheel - wheel system

cam plant cam

cam-and-counter cam

in-wheel motor wheel

scouring wheel and buffing wheel

sprocket ; sprocket-wheel ; sprocket gear ; chain wheel

sprocket sprocket-wheel sprocket gear chain wheel

wheel turning lathe not needing to take wheel off the bogie

3D cam

45#steel cam shaft

above upthrow cam

acceleration cam

actual cam curve

actual cam surface

actuating cam

adjustable cam

adjusting cam

admission cam

ahead cam