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Piston rod

Uses: Used in electro-hydraulic switch machine railway switch conversion system products, hydraulic drive mechanism hydraulic cylinder piston rod, hydraulic cylinder key components, similar to the general hydraulic cylinder piston rod; Features: It is a kind of high-precision shaft parts used for axial movement. Most of the rod parts need to be ground. Generally, both ends are equipped with threaded (external or internal thread) interfaces, and the oil seal groove with O-ring in the middle requires high surface roughness and straightness. Process requirements: blanks are generally made of steel bars or forgings. The main processes include: heat treatment-turning-grinding-electroplating-post-plating fine grinding and other processes; the main processing equipment includes CNC lathes, CNC cylindrical grinders, quenching equipment, and electroplating equipment. Key inspection items: surface roughness, coating thickness, appearance scratches, straightness, cylindricity and other items;

Key words:

活塞杆

加工

工艺

设备

一般

用于

粗糙度

主要

项目

直线度

Product Classification:

Railway accessories

Product Details

Uses: Used for electro-hydraulic switch machine railway switch conversion system products, hydraulic drive mechanism hydraulic cylinder piston rod, hydraulic cylinder key components, similar to the general hydraulic cylinder piston rod;
Features: It is a kind of high-precision shaft parts used for axial movement. Most of the rod parts need to be ground. Generally, both ends are equipped with threaded (external thread or internal thread) interfaces, and the middle is equipped with an O-ring oil seal groove. The surface roughness and straightness are required to be high;
Process requirements: the blank is generally made of steel bars or forgings. The main processes include: heat treatment-turning-grinding-electroplating-fine grinding after plating. The main processing equipment includes CNC lathes, CNC cylindrical grinding machines, quenching equipment and electroplating equipment.
Key inspection items: surface roughness, coating thickness, appearance scratches, straightness, cylindricity and other items;


 

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