What is a pump crosshead?
A crosshead and connecting rod assembly for a pump comprises a connecting rod which includes a first end that is rotatably connected to the crankshaft of the pump, a second end that comprises a generally cylindrical configuration, and a shaft that extends between the first and second ends.
What is a crosshead bearing?
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.
How many types of pistons are there?
There are three types of pistons, each named for its shape: flat top, dome, and dish.
What are the components used in cross head?
Crosshead Piston: Comprises of Piston crown, Piston skirt and piston rod(used in large two stroke engine) which is connected to crosshead functioning to transfer the side thrust to the engine structure.
What is a trunk piston?
Definition of trunk piston : an elongated hollow piston in a single-acting engine or pump which is open at the end and in which the end of the connecting rod is pivoted.
What is crosshead guide?
A guide for making the crosshead of an engine move in a parallel line with the cylinder axis. Ref: Standard, 2.
What does Crossing heads mean?
(also cross heading) A heading to a paragraph printed across a column in the body of a newspaper article.
What is the another name of crosshead?
In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for crosshead, like: crossheading, piston-rod, connecting-rod, roller-bearing, gearwheel, mainshaft, thrust-bearing, propshaft, crankshaft and flywheel.
What are the two types of piston heads?
Detailed Solution
- Piston crown or head: It is the top most portion of the piston.
- Flat head: It is simple in shape and is most commonly used.
- Domed head: It has a projection shaped like a dome on the crown.
- Concave head: It has a concave cavity on the top.
Which are the two types of piston head?
tested here were three (3) types of the piston with different piston head shapes, namely flow standard, semi-spherical, and multi-spherical as shown in figure 1. …
What are the two types of piston head?
How is crosshead lubricated?
Oil supply to the crosshead is via a telescopic pipe from the main LO supply at a pressure of about 2.5 bar. The lower bearing shell (tin aluminium with overlay) has oil grooves with machined wedges . The oil enters via the cut out channel in the centre.