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A Complete Guide To Gear Hobbing

December 21, 2023
Gear hobbing service from True Gear & Spline Ltd. in Cambridge, ON

The world of gear manufacturing has experienced revolutionary changes in recent decades. The domination of conventional tools and techniques is no longer prevalent. They have been effectively replaced by sophisticated tools, machinery, equipment, and techniques. Gear grinding, shaping, and cutting are all techniques used to manufacture gears and splined shafts. In this blog, we shed light on another effective gear manufacturing technique — gear hobbing. We also explore how CNC machining has transformed gear hobbing.


Understanding The Fundamentals of Gear Hobbing


1. The Basics of Gear Hobbing:

Hobbing is an effective gear manufacturing technique. But how exactly does it work? In this process, teeth are cut on a gear blank with unmatched precision. The tool used to cut teeth is called a hob. The hob is cylindrical and has helical cutting edges. It is important to note that the helical cutting edges have to match the desired tooth profile. In hobbing, the workpiece, which is the gear blank, stays stationary while the hob rotates. As they both mesh together, the gear blank is gradually cut to custom gear with precise tolerance. 


2. Precision Redefined with CNC Machining

The role of CNC machining in modern gear manufacturing cannot be understated. CNC machining has revolutionized gear hobbing by introducing automated controls and advanced programming. With the aid of computers, complex gear designs can be precisely replicated, ensuring consistency and accuracy in every gear produced. The integration of CNC technology enables manufacturers to produce gears of varying sizes, tooth profiles, and pitches with unparalleled precision and repeatability.


We at True Gear & Spline Ltd. understand the importance of offering flawless gear hobbing services to our clients. To do so, we invest in the latest tools and equipment. We have embraced modern technology, including CNC machining, to offer the best gear hobbing services. The use of CNC machining allows us to deliver orders quickly and efficiently. We can run small and large orders with utmost precision. We are also the leading manufacturer and supplier of spur gears, helical gears, and splined shafts. Call us today to learn about all we can do for you.