The SL3NB-1300 drilling pump produced by our factory is one of the main supporting equipments of the oil drilling rig. The φ460mm hole and the φ600mm hole of the drilling pump casing (see Figure 1) are equipped with two transmission gear shafts respectively, and the φ525mm hole is equipped with reciprocating pistons. . The following positional accuracy requirements are proposed on the design drawings: in order to ensure smooth gear transmission and high contact accuracy of the tooth surface, the φ460mm hole axis is defined as φ600mm hole axis.
We are based in China a manufacturer of different type of flooring,both wood flooring like Laminate Flooring,engineered flooring and Vinyl flooring such as LVT,SPC Flooring and MGO flooring for more than 15 years experience,we are serving more than 300 customers from 30 different countries.
Vinyl Flooring,Wpc Flooring,Wood Flooring,Engineered Flooring
CHANGZHOU ART DECORATION MATERIALS CO.,LTD , https://www.cnartdecor.com