Hob Cutter

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Hob Cutter Specification

Cutter Type
Gear Hob Cutter

Operate Method
CNC machine or manual operation

Length
60 mm to 250 mm

Features
Long tool life, high dimensional accuracy, heat resistant

Cutting Force
Optimized for gear hobbing applications

Operation Type
Continuous or single indexing

Tool Type
Cylindrical Gear Hob Cutter

Coating Type
Standard or multi-layer coated

Cutting Capacity
Suitable for module 0.5 to 10

Coating
Uncoated or optional TiN/TiAlN

Hardness
HRC 58-62

Cutting Accuracy
High precision (up to DIN 3968 class A)

Cutting Speed
Up to 120 m/min

Machine Type
Gear hobbing machines

Shape
Cylindrical with helical teeth

Material
High Speed Steel (HSS) / Carbide

Diameter
30 mm to 200 mm

Maximum Torque
Up to 400 Nm

Processing Type
External and internal gear cutting

Helix Angle
Up to 45

BladeSize
Standard and custom sizes available

Custom Modifications
Available upon request

Teeth Form
Involute profile

Shank Type
Straight or taper shank

Packaging Type
Protective box or custom packaging

Surface Finish
Ra 0.8 m

Color
Metallic silver/grey

Application
Used for manufacturing spur, helical, and worm gears

Number of Starts
Single or multi-start

Re-sharpening
Possible for multiple cycles

Cooling
Wet or dry cutting compatible

About Hob Cutter

Gear Cutting Tools, Gear Cutting Hobs, Spline cutting Hob Cutter and Chain Sprocket Hob Cutter. Hobs are made from selected High Quality High Speed Steel grades. With all manufacturing operations like Machining, Profile Releiving, Heat-treatment, Grinding and Sharpening are done with world class machinery and equipment. Roller chain sprocket hobs Worm wheel hobs Spline hobs Chamfer hobs Spur and helical gear hobs Straight side spline hobs Involute spline hobs Serration hobs Semitopping gear hobs

Precision Engineering for Gear Manufacturing

The Hob Cutter excels in delivering high-precision gear cutting, suitable for external and internal gears with modules from 0.5 to 10. Its tailored involute teeth and optimized cutting force allow for reliable, consistent results on gear hobbing machines. Enhanced by optional TiN/TiAlN coatings, this cutter maintains dimensional accuracy and high hardness, ensuring gear quality for demanding industrial applications.

Versatile and Durable Tool Design

Choose from straight or taper shank types and benefit from compatibility with both CNC and manual equipment. Grooved helical teeth and available multi-layer coatings provide efficient chip evacuation and extended cutter life. Regular resharpening is possible, while wet or dry cutting ensures operational flexibility. Standard and custom sizes accommodate varied production needs.

FAQs of Hob Cutter:

Q: How is a Hob Cutter used in gear manufacturing applications?

A: A Hob Cutter is mounted on gear hobbing machines to shape and cut gears such as spur, helical, and worm gears. Its involute tooth form and helical design enable precise gear profiles, and it operates effectively with both CNC and manual systems.

Q: What are the key benefits of using this Hob Cutter?

A: Key benefits include high precision (up to DIN 3968 class A), long tool life, compatibility with a range of materials and machines, and the ability to achieve a superior surface finish (Ra 0.8 m). The tool can also be resharpened for multiple cutting cycles.

Q: Where can the Hob Cutter be applied, and what machines is it suitable for?

A: This Hob Cutter is designed for use in gear manufacturing settings such as automotive, aerospace, and industrial machinery. It supports both external and internal gear cutting on gear hobbing machines, accommodating modules from 0.5 to 10.

Q: What sizes, coatings, and customization options are available?

A: Standard and custom blade sizes (30 mm to 200 mm diameter, 60 mm to 250 mm length) are available. The cutter can be left uncoated or supplied with TiN/TiAlN coating for increased performance. Custom modifications and packaging can be requested to meet specific production needs.

Q: Can the Hob Cutter be resharpened, and how is this done?

A: Yes, the Hob Cutter is designed to be re-sharpened for several cycles, which helps prolong its productive life. Resharpening is typically performed by a professional tool grinding service using specialized sharpening machinery.

Q: What operating conditions is the cutter compatible with, and how does this affect gear cutting?

A: The cutter is designed for both wet and dry gear cutting operations. Wet cutting, using appropriate cooling fluids, helps reduce thermal stress and extend tool life, while dry cutting offers flexibility and faster production for some materials.

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