Slant type blanking forging technology for lateral teeth

Abstract

The invention relates to the technical field of forging machining, in particular to a slant type blanking forging technology for lateral teeth. Steel rods are adopted as blanks, an included angle is formed between the blanking angle during blanking and the length directions of the steel rods, and the included angle is equal to the included angle between the bottom edges and the side edges of the lateral teeth; and blanking is carried out according to the condition that the size is 105% of the size of forging pieces obtained after final forging, and heating, flattening and final forging are carried out after blanking to machine blank pieces, wherein an intermediate frequency furnace is adopted for heating, two supporting rods are symmetrically arranged in the intermediate frequency furnace, the extending directions of the supporting rods are coincident with the feeding direction, the lower portions of the blanks are placed on the two supporting rods, and the slope of the front end of the behind blank is coincident with the slope of the back end of the prior blank. The blanks are pushed forwards through a push rod, the blanking shapes are similar to the shapes of the forging pieces, the forging pressure is reduced, too-large burrs generated by molding are avoided, and the material using rate is improved.

Description

technical field [0001] The invention relates to the technical field of forging processing, in particular to a side-tooth oblique blanking forging process. Background technique [0002] In the forging process, before the blank is heated and forged, the raw material is generally cut into the required length or required geometric size. The original state of the blank includes bar, ingot, metal powder and liquid metal. For general small and medium-sized forgings , all use round or square bars as blanks. When blanking, the direction of blanking is generally perpendicular to the length direction. On the one hand, blanking is convenient, and on the other hand, it is convenient to transport blanks when heating (such as intermediate frequency furnace, resistance furnace). But for some products, such as attached figure 1 The structure of the side teeth of the excavator shown is roughly diamond-shaped. If the blanking method of the prior art is used, the deformation will be large dur...

AI Technical Summary

Problems solved by technology

But for some products, such as attached figure 1 The structure of the side teeth of the excavator shown is roughly diamond-shaped. If the blanking method of the prior art is used, the deformation will be large during the forging process, so it needs to go through four steps: upsetting, flattening, pre-forging, and final forging , and in order to make the corners of the product full, more materials and greater forging pressure are required, which restricts the utilization of materials

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