125x45x1000 Blank Forks

125x45x1000 Blank Forks have a single weight of 64 kg, a paired rated load capacity of 4200 kg, a load center of 500 mm, and an installation level of 3A. The section is 125 mm wide, 45 mm thick, and one meter long. This blank fork adopts a differential temperature rolling process. During rolling, the core temperature is higher than the surface. After cooling, a self-balancing prestress distribution is formed. The user will not produce stress release deformation when subsequent milling of the hook groove. Each 64-kg blank has a prefabricated tapered centering hole with a diameter of 20 mm and a depth of 30 mm on both ends. The coaxiality of the two holes is better than 0.2 mm. When clamped in a large turning-milling compound center, it can be directly tightened with the center without adjusting the clamping jaws. The surface of the fork surface is sprayed with a permanent grid ruler using high-temperature alloy powder. The grid line width is 0.5 mm and protrudes 0.05 mm from the fork surface. It can be positioned by touch with bare hands, making it easy to mark on site.

 

 

A furnace-heated test piece is embedded in the fork tip area. The material of the test piece is the same as the base material. Users can infer the mechanical state of the entire fork by testing the hardness of the test piece. The material is Q550MD, which is easy to cold bend. The impact energy at minus 40 degrees is not less than 40 joules, making it suitable for modification in cold northern areas. The surface is coated with a peelable transparent polyurea elastic film with a thickness of 0.2 mm, which is scratch-resistant and rust-proof. The packaging is in an inflatable airbag bag, each bag is independently vacuum sealed, and the bag is filled with nitrogen. The single weight of 64 kg is matched with the lifting lugs on the outside of the bag, and can be lifted by a single person using a chain hoist. This specification is mainly intended for the non-standard spare parts warehouses of port equipment modification factories in cold areas, wind power maintenance platforms and large ice and snow equipment manufacturers.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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