Bar and shaft hobbing is a precise machining process used to produce external splines, serrations, gear teeth, and other rotating features on round bar and shaft materials. These components are commonly used in pumps, valves, power transmission systems, and other demanding industrial applications where accurate fit, torque transfer, and reliable performance are critical.
Bar and shaft hobbing utilizes a specialized cylindrical hob featuring helical cutting teeth that progressively generate the required tooth or spline profile. During the machining process, both the hob and the workpiece rotate in a synchronized motion while the hob feeds across the material. This generating process produces highly accurate and repeatable profiles while maintaining tight dimensional tolerances.
Hobbing is an efficient method for creating external splines, serrations, and gear-like features directly on bar stock and shafts. Because the process is continuous and highly repeatable, it offers an economical solution for both production runs and specialized applications requiring precision machining.
Whether used as part of a larger machining program or as a standalone operation, bar and shaft hobbing delivers consistent quality and excellent surface finishes across a wide range of materials.
OUR BAR HOBBING CAPABILITIES
- Materials: Brass, Bronze, Carbon, Stainless, and Nickel Alloys
- OD: 0.625″ – 1.5”
- Lengths: 6 inches to 40 feet
Industries that utilize splined and hobbed shafts:
- Oil & Gas
- Aerospace
- Automotive
- Defense
- Food Processing
- Industrial Equipment
- Machine Controls
- Medical Devices & Equipment
- Motion Control
- Power Generation
- Pumps & Fluid Handling
- Hand & Power Tools
Need Bar Hobbing Services?
Double Eagle Alloys provides high-quality, precision bar and shaft hobbing services for customers requiring accurately machined splines, serrations, and other specialized profiles. Our team works with a wide range of materials and specifications to support the needs of demanding industries.
Questions? Contact our team today to discuss your bar and shaft hobbing requirements and learn how our machining capabilities can support your next project.