cross head - определение. Что такое cross head
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Что (кто) такое cross head - определение

MECHANISM
Crosshead bearing; Cross-head; Cross-head bearing; Crosshead guide
  • A crosshead as part of a reciprocating piston and [[slider-crank linkage]] mechanism.<!-- Note that the crankpin rotating radius is half of the stroke (Mistakenly depicted here) << Please explain this comment. The stroke is not really depicted here, or is it? Wherein exactly lies the misake?-->
  • [[Hudswell Clarke]] Nunlow; crosshead and two slide bars
  • Cylindrical trunk guide

cross head      
¦ noun
1. a bar or block between the piston rod and connecting rod in a steam engine.
2. a screw with an indented cross shape in its head.
3. a paragraph heading printed across a column in the body of a newspaper article.
Cross-field head         
TYPE OF TAPE RECORDER TAPE HEAD
Cross-field recording; Cross-field; Self-erasure
A cross-field head, sometimes referred to as X-field, is an additional recording head in a tape recorder that improves the ability to record high-frequency sounds. The concept was first introduced by Tandberg in their TB-6X 1960s, and more widely used by Akai and their US brand, Roberts.
Head (geology)         
TERM IN GEOLOGY THAT DESCRIBES DEPOSITS
Head (geological); Head deposit
Head describes deposits consisting of fragmented material which, following weathering, have moved downslope through a process of solifluction. The term has been used by British geologists since the middle of the 19th century to describe such material in a range of different settings from flat hilltops to the bottoms of valleys.

Википедия

Crosshead

In mechanical engineering, a crosshead is a mechanical joint used as part of the slider-crank linkages of long reciprocating engines (either internal combustion or steam) and reciprocating compressors to eliminate sideways force on the piston. Also, the crosshead enables the connecting rod to freely move outside the cylinder. Because of the very small bore-to-stroke ratio on such engines, the connecting rod would hit the cylinder walls and block the engine from rotating if the piston was attached directly to the connecting rod like on trunk engines. Therefore, the longitudinal dimension of the crosshead must be matched to the stroke of the engine.

Примеры употребления для cross head
1. "Nakuru town has been shut down ... hundreds are injured in hospital," Kenya Red Cross head Abbas Gullet said.
2. "The situation is still volatile and tense with possible escalation of the conflict," Farid Abdul Kadir, the Red Cross head of disaster response, told the AFP news agency.