Crosshead Assembly

Crosshead Assembly

Crosshead assembly Crosshead mainly included Locking plate, Crosshead bearing, Crosshead pin retainer and Crosshead guide. It provides a steady flow of power in a straight line. Types: 500,800,1000,1300(1600),1600HL,2200HL, and F series, 3NB series, HHF series, QF series and RS series....

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Product Details

Crosshead assembly

Crosshead mainly included Locking plate, Crosshead bearing, Crosshead pin retainer and Crosshead guide. It provides a steady flow of power in a straight line. Types: 500,800,1000,1300(1600),1600HL,2200HL, and F series, 3NB series, HHF series, QF series and RS series.

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Production Process

The material of the crosshead is nodular cast iron with the strength of extension of more than 600MPa, which ensures high intensity and abrasive resistance.

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Application

The crosshead is the critical part on the power end of the mud pump. It slides in the upper and lower guide plates, motivating the intermediate draw bar to deliver driving force to the hydraulic end. One of its ends fixes the intermediate draw bar. The cavity connects the small end of the connecting rod through cross head pin. To guarantee close contact, the contact area of bore-hole of the crosshead and the conical surface of the crosshead pin shall be greater than 75%.

Crosshead and crosshead guide are made of ASTM A48-83mechanize featuring good abrasion resistance and long service life. Besides F-500 mud pump that is cylindrical structure, upper and lower guide structures are used for other mud pumps, so that the concentricity can be adjusted by adding space under the lower guide. Flange-bolts with pinhole fit are used for connecting crosshead to extension rod. This rigid connection ensures the concentricity of extension rod and crosshead. Coupling is used for connecting extension rod to crosshead. Light coupling enables the extension rod and the crosshead to connect to each other with ease and re-liableness.

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