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Gear Hob Series

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Certification :	CE ROHS
Brand Name :	SENINTER

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Gear Hob Series

Timing Pulley Hobs – The Professional Choice for Precision Synchronous Pulley Machining

Timing pulley hobs are dedicated cutting tools designed for machining synchronous pulleys, toothed belts, and other belt-drive components. Sharing the same generating principle as gear hobs, they are specifically optimized for the unique tooth profiles of pulleys—such as trapezoidal, curvilinear (HTD, RPP), and T‑type teeth—in terms of tooth geometry, edge design, and cutting performance. As key tools in belt-drive systems, these hobs are widely used in automotive engines, industrial automation equipment, office machinery, medical devices, and precision instruments, ensuring the accuracy, smoothness, and reliability of synchronous belt transmissions.

Worm Gear Hobs – The Professional Solution for High‑Precision Worm Wheel Machining

A worm gear hob (also known as a worm wheel hob) is a dedicated cutting tool designed for machining worm wheel tooth profiles. Its design is fundamentally based on the meshing relationship between a worm and a worm wheel—the hob takes the form of an accurate worm, and during machining it rotates synchronously with the worm wheel workpiece at a fixed ratio, simulating actual meshing motion. Through continuous generating cutting, it precisely reproduces the tooth profile of the worm wheel. As a key tool in the manufacturing of worm gear drives, this hob is widely used in industrial reducers, machine tool indexing mechanisms, hoisting equipment, elevator traction machines, automotive steering gears, and precision transmission devices, playing a critical role in ensuring the transmission accuracy, load‑carrying capacity, and service life of worm gear pairs.

Spline Hobs – The Core Tool for Precision Spline Shaft Machining

Spline hobs are specialized cutting tools designed for machining various types of spline shaft profiles, including triangular splines, rectangular splines, and involute splines. Based on the same generating principle as gear hobs, they are specifically optimized for spline‑specific parameters such as tooth count, major diameter, minor diameter, key width, and centering method. As essential gear‑cutting tools in spline shaft manufacturing, spline hobs are widely used in automotive transmissions, machine tool spindles, construction machinery, agricultural equipment, marine drives, and aerospace applications, playing a vital role in ensuring the fit accuracy, load‑carrying capacity, and transmission reliability of spline pairs.

Gear Hobs – Professional Cutting Tools for High‑Precision Cylindrical Gears

Gear hobs are dedicated tools for machining spur and helical cylindrical gears, designed on the principle of helical gear meshing and utilizing continuous generating motion for efficient tooth cutting. As indispensable tools in gear manufacturing, hobs are widely used in the production of gear transmission systems across automotive, aerospace, machine tool, wind power, and other industries.

Multi-Start Worm Hobs – The Professional Solution for High‑Volume Worm Production

Multi‑start worm hobs are specialized cutting tools designed for machining worm threads in worm drive systems. Unlike conventional single‑start hobs, multi‑start hobs can machine multiple helical threads in a single cutting cycle, significantly reducing cycle times per workpiece—making them the ideal choice for high‑volume worm production. With exceptional machining efficiency, these hobs are widely used in automotive steering worms, industrial reducer worms, power tool worms, and various precision transmission worm applications.

Special Profile Hobs – Customized Solutions for Precision Non‑Standard Gear Machining

Special profile hobs are dedicated cutting tools designed for machining various non‑standard gear tooth profiles, including bevel gears, clock and watch gears, cycloidal gears, harmonic drive gears, and other custom‑profile parts. Compared to conventional standard gear hobs, special profile hobs involve more complex design and manufacturing processes, with stricter requirements for tooth profile accuracy, cutting edge geometry, and cutting performance. With exceptional custom design capabilities and high‑precision manufacturing, these hobs are widely used in aerospace, precision instrumentation, watchmaking, medical devices, robot joints, and various high‑end transmission systems.

Gear Hob Series

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