The support nut of the carriage is generally selected from aluminum bronze and tin bronze according to the use, such as ZQAl9-4, ZQSn10-1 and the like.

Locomotive frame machine copper nut

Hunan Jintai Hardware and Machinery Co.,Ltd. uses centrifugal casting process to produce copper alloy materials, effectively control the composition and mechanical properties of copper alloy materials, and adopts advanced numerical control equipment manufacturing and processing to ensure product quality meets customer needs. Provided a number of supporting services for a number of car manufacturers, and received unanimous praise.