Reciprocating motion

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(Mech.) motion alternately backward and forward, or up and down, as of a piston rod.

See also: Reciprocate

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Following this, the converter changes the motor's rotary output into the reciprocating motion that is needed for the wiper blades.
Summary: A crankshaft is a mechanical component that converts the reciprocating motion of the pistons into rotational motion.
(9) Several studies have shown that reciprocating motion enhances cyclic fatigue resistance compared to rotation motion, (10,11,12) making reciprocating instruments safer than rotary ones for root canal shaping.
Speed of cycle time is compromised with this type of reciprocating motion. Depending on the package size, there are times when the head sealer cannot get back into position in time for the next seal.
(2013) Study of Seals on Long Stroke and Reciprocating Motion Condition.
To achieve our research aims, experiments were performed to examine the tribological behavior between PVA hydrogels and stainless steel in an albumin solution and deionized water via a reciprocating motion. The coefficient of friction was recorded and evaluated in each test.
In addition to these different exercise modalities, rectilinear reciprocating motion is seldom used as a regular exercising modality compared with circular reciprocating motion, such as cycle ergometer.
CheckPoints diaphragm pump, years in the making, shows how imperative innovation is to its customers and operations." CheckPoint's triple-layered metallic diaphragm pump uses reciprocating motion to accumulate hydraulic pressure on one side of the diaphragm, and then transmits that pressure to pump the chemical on the other side.
The reciprocating motion with WaveOne prevents instrument engagement, and that may enhance the safety of singleC...file systems in curved canals.26 However, it is clear that instrumentation with singleC...file systems is faster.
To solve these issues, the novel rotating-sleeve distributing-flow system is proposed which uses reciprocating motion of plunger and single-track rotation of rotating sleeve to achieve distribution functions.