Anti-deformation reinforcing rib structure of hob blade and manufacturing method of anti-deformation reinforcing rib structure

By setting height gradient reinforcing ribs on the non-working surface of the hobbing cutter and combining them with advanced manufacturing processes, the resonance and fatigue damage problems caused by insufficient rigidity of the helical hobbing cutter have been solved, resulting in higher cutting smoothness and service life.

CN122074285APending Publication Date: 2026-05-26MAANSHAN GREEN FRIEND MACHINE MFG
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Patent Information

Application Number
CN202610405602.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-31
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing spiral roller cutters suffer from resonance and fatigue damage due to insufficient rigidity under high-intensity operating environments, affecting cutting smoothness and service life.

Method used

A high-gradient reinforcing rib structure is set along the spiral trajectory on the non-working surface of the roller cutter, and manufactured through processes such as spiral roller bending, curved surface bonding stamping, and deep cryogenic aging treatment to ensure a gradient transition of stiffness and stress matching, and avoid stress concentration.

Benefits of technology

It improves the bending stiffness and fatigue resistance of the hobbing cutter, extends its service life, and enhances the cutting smoothness, significantly improving structural reliability and wear resistance.

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Abstract

The invention discloses an anti-deformation reinforcing rib structure of a hob blade and a manufacturing method thereof.The anti-deformation reinforcing rib structure of the hob blade comprises a center shaft, a mounting disc fixed to the center shaft and a blade body fixed to the mounting disc, and the blade body is a three-dimensional spiral curved-surface-shaped blade and is provided with a front face and a back face; the blade body comprises a front face and a back face, the front face is a working face facing the cutting direction after installation, the back face is a non-working face and is provided with reinforcing ribs continuously extending along a spiral line track, the reinforcing ribs have height gradients in the width direction of the blade body, and the heights of the reinforcing ribs are gradually decreased from the root of the blade body to the cutting edge end of the blade body. The two ends of each reinforcing rib end on the inner sides of the two axial end faces of the blade body. The anti-bending and anti-torsion cutter has the remarkable anti-bending and anti-torsion functions, the problems of resonance and fatigue damage caused by insufficient rigidity are solved, the cutting flatness is improved, and the service life is prolonged.
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