Hob Blanks

Types:

Shell Hob Blanks
Shank Hob Blanks
2a. Shank Single Hob Blanks
2b. Shank Dual Hob Blanks
Chamfer Hob Blanks

Dimensions: as per drawing/requested

Description: All gear hob blanks are manufactured to custom dimensions in accordance with agreed solution. Cemented carbide grades and designs are tailored to each customer based on individual needs and requirements.

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Hob Blanks Types

Hob blanks of cemented tungsten carbide grades are available for roughing and finishing operations in steels with hardness ranging from HRC30 to HRC65. Hyperion Materials & Technologies manufactures standard hob blanks in either a 12 teeth or a 15 teeth configuration.

We have developed cemented carbide hob blanks for demanding gear cutting and hobbing operations. Our hob blanks provide longer cutting life, better edge security, and higher productivity.

Grade	Grain Size (µm)	Binder (%)	HRA	TRS (N/mm²)	Compressive Strength (N/mm²)	Density (g/cm³)
Grade	Grain Size (µm)	Binder (%)	HRA	TRS (N/mm²)	Compressive Strength (N/mm²)	Density (g/cm³)
H10F	0.8	10	92.1	4500	6300	14.5
AM50	0.6	7	93.4	4800	7400	14.7
H6F	0.8	6	93.2	3500	6900	14.9

Hyperion cemented carbide gear hob blanks

øD1 (mm)	H1 (mm)				Grade H6F	Grade AM50
øD1 (mm)	H1 (mm)				Grade H6F	Grade AM50
25	30	50	60	65	Nonferrous applications	Steel applications
32	30	50	60	65	Nonferrous applications	Steel applications

Benefits of Using Hyperion Cemented Carbide Gear Hobs

Reduction in electrical discharge machining (EDM) wire cutting (creates stronger edge)
Preformed hob blanks reduce manufacturing costs by more than 50%
Preformed hob blanks can reduce inventory needs and provide quicker lead times
Our cemented carbide grade offering results in longer tool life, higher productivity, and less grinding for resharpening
Our cemented carbides exhibit consistent quality and performance - every time.

Cemented Carbide Grades per Metal Type


Cemented Carbide Grade*	Use to Cut These Metals
Cemented Carbide Grade*	Use to Cut These Metals
ISO 85-450 HB	All types of steels Unalloyed steels Alloyed steels Cast steels excluding steel with austenitic structure
ISO 120-450 HB	Stainless steel austenitic Austenitic-ferrite steel Cast steel (duplex)
ISO 150-480 HB	Grey cast iron (GCI) Cast iron with spheroidal graphite Malleable cast iron (MCI) Nodular cast iron (NCI) Compacted graphite iron (CGI) Austempered ductile iron (ADI)
ISO 45-75 HRC	Hardened steel Cast iron materials Chilled cast iron

*The machinability of materials varies depending on alloying elements, heat treatment, and manufacturing processes.

Your Hyperion salesperson can offer their expertise in selecting the gear hob blank and cemented carbide best suited to solve your needs.

Did you know you can recycle your cemented carbide with Hyperion? Visit our recycling page or contact us for details.

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