A cam is a simple mechanism that converts rotary motion (movement that goes round in a circle) into linear motion (movement in a straight line). These mechanisms can be found in car engines, printing ...

Roller-pinion systems are a better option than rack and pinions where accuracy and a minimum of friction are important. • Roller pinions can provide accurate positioning up to ±30 µm (±0.00118 in.) • ...

This article was updated on June 18, 2025. It was orginally published Nov. 15, 2002. Proper installation and maintenance are essential to bearing performance and premature failure prevention due to ...

Abstract: The quality of human respiratory motion measurements made with Doppler radar depends on the amount of reflected signal received and the overall signal to noise ratio (SNR) of the measurement ...