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Fishplate For 43kg Rail
Fishplate for 43kg Rail Specification The fishplate used for 43kg rail should match the weight and size of the rail. Type Depending on requirements and design, Fishplates are available with 4 or 6 holes to accommodate different types of rail connections. 4-hole fishplates are usually used to...
Features
Fishplate for 43kg Rail
Specification
The fishplate used for 43kg rail should match the weight and size of the rail.
Type
Depending on requirements and design, Fishplates are available with 4 or 6 holes to accommodate different types of rail connections. 4-hole fishplates are usually used to connect light rail, while 6-hole fishplates are used to connect heavy rail.
manufacturing technique
Cutting, stamping, drilling, heat treatment
A press is used to press the blank to obtain the initial shape of the fishplate.
In the stamping process, parameters such as punching pressure, stamping speed and die clearance need to be controlled to ensure the forming quality.
Cut the stamped fishplate to remove excess edge material.
Trim the edges of the fishboard to ensure it is smooth and flat.
Drill holes in the specified position according to the design requirements of the fishboard.
During the drilling process, you need to control the drilling depth, hole diameter, and hole spacing to ensure correct bolt installation.
Tap the drill hole to form a threaded hole.
The tapping process needs to select the appropriate tap and tapping speed to ensure the quality of the threaded hole.
The fishplate is quenched to improve its hardness and strength.
After quenching, tempering treatment is carried out to eliminate quenching stress and improve the toughness and plasticity of the fishtail plate.
According to the need, the surface of the fishtail plate is hardened, such as carburizing, nitriding, etc.
The surface hardening treatment can improve the wear resistance and fatigue resistance of the fishplate.
1
Check the appearance of the fishplate to ensure that it has no cracks, slag inclusion, porosity and other defects.
2
Use measuring tools to measure the size of the fishplate to ensure that it meets the design requirements.
3
Perform tensile test, impact test and other performance tests on the fishplate to ensure that it meets the relevant standards and regulations.
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