crosshead

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cross·head

(krôs′hĕd′, krŏs′-)

A beam that connects the piston rod to the connecting rod of a reciprocating engine.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

crosshead

(ˈkrɒsˌhɛd)

1. (Printing, Lithography & Bookbinding) printing a subsection or paragraph heading printed within the body of the text

2. (Mechanical Engineering) a block or beam, usually restrained by sliding bearings in a reciprocating mechanism, esp the junction piece between the piston rod and connecting rod of an engine

3. (Nautical Terms) nautical a bar fixed across the top of the rudder post to which the tiller is attached

4. (Mechanical Engineering) a block, rod, or beam fixed at the head of any part of a mechanism

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cross•head

(ˈkrɔsˌhɛd, ˈkrɒs-)

n.

a sliding member of a reciprocating engine for keeping the motion of the joint between a piston rod and a connecting rod in a straight line.

[1835–45]

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Noun	1.	crosshead - a heading of a subsection printed within the body of the text crossheading header, heading, head - a line of text serving to indicate what the passage below it is about; "the heading seemed to have little to do with the text"
	2.	crosshead - metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth block - a solid piece of something (usually having flat rectangular sides); "the pyramids were built with large stone blocks" steam engine - external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder

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References in classic literature ?

And deep in the half-light other rods dodged deliberately to and fro, crossheads nodded, discs of metal rubbed smoothly against each other, slow and gentle, in a commingling of shadows and gleams.

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Three specimens per type were tested with quasi-static tensile crosshead displacements of either 1.7 mm/min or 2.5 mm/min.

Acoustic emission rate behavior of laminated wood specimens under tensile loading

Because this technology is now offered as a single-component crosshead, axial tube head and two-layer designs, a large variety of applications can be covered.

Increasing productivity with automatically centered extrusion heads

Additional features of this new crosshead include multi-port spiral flow, easy disassembly and restart, positive seals for leak elimination, max.

Low-volume, adjustable crosshead for PVC cable

With the use of the X-RAY 6000 as measuring head at the hot end, directly after the extruder or after a first vacuum tank/cooling trough, it is possible to rapidly center the crosshead and to control the line speed or extruder RPM.

Versatile X-ray measurement devices for extrusion QC

The effect of the crosshead speed on the force self-oscillation was found using an Instron universal tensile test machine, with the crosshead speed varied from 0.084 mm min -I to 1008 mm [min.sup.-1].

The tensile force oscillation of polycarbonate at elevated temperatures

The essential difference was based on the fact that the material we were molding had been tested at a crosshead speed of 0.2 in./min, and the new material used a crosshead speed of 2 in./ min.

Part three: the problems with single-point data: polymer properties are not constant as a function of temperature, and even small temperature changes can affect properties

A variation of 133-112 MPa is seen for hybrid composite material containing 1 wt% of silica and 0.25 wt% of SBR over all the crosshead speeds from [10.sup.-1] mm/s to [10.sup.2] mm/s.

Effect of filler addition and strain rate on the compressive strength of silica styrene-butadiene rubber-filled epoxy composites

With the use of the X-Ray 6000 at the hot end, directly after the extruder or after a first vacuum tank/cooling trough, it is possible to rapidly center the crosshead and to control the line speed or extruder rpm.

Versatile x-ray measuring device for extrusion lines

Guill says that the CV 500 Series offers improved temperature control, decreased material volume for ultraprecision, and easier and faster adjustment and cleaning processes of the crosshead and tooling.

Guill Tool & Engineering Inc

A single-point concentricity extrusion crosshead uses micro-fine adjustment screws for precise concentricity adjustment.