Product News: Mechanical Power Transmission

Hirth-Tooth Couplings provide form-locking precision.

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Press Release Summary:

March 11, 2014 - Providing self-centering, radial face tooth connection, Hirth Serrations enable users to connect shafts, discs, wheels, and cranks with accuracy. Lightweight units enable wear-free transmission of high torques at small dimensions. Dynamic forces are retained even after repeated assembly. Available in sizes from 50–900 mm in diameter, rings have less rotating mass compared to flange connections. Custom-made models are available with max serration diameter of 1,500 mm.

Indexing Technologies Inc.

37 Orchard St., P.O. Box 252, Ramsey, NJ, 07446 0252, USA

Original Press Release

Hirth-Tooth Couplings

Press release date: March 11, 2014

Hirth Serrations – a machine component that has both tradition and a future. Invented decades ago, yet still up-to-date, Hirth serrations from ITI Tooling Co. Inc. integrate the demands of modern mechanical engineering.

This self-centering, radial face tooth connection enables you to connect shafts, discs, wheels and cranks with highest accuracy. The machine tool industry, for example, would be hard to imagine without Hirth serrations as indexing and positioning elements with highest precision.

Features and Benefits

• Form-locking precision
• Index accuracy
• Repeat accuracy

The advantages of Hirth serrations are quite convincing:

• Light-weight design
• High-strength connections
• Wear-free transmission of high torques at small dimensions
• Dynamic forces are retained even after repeated assembly
• Less rotating mass compared to flange connections
• High concentricity precision and very low radial run-out
• High operating safety

Standardized rings

• Comprehensive standard delivery program, diameter range 50 - 900 mm.
• Short delivery times, nearly all standardized rings are available ex-stock
• Economical pricing due to series production

Custom-made rings

• Production as per customer schedule (max. 1500 mm serration diameter)
• Consultation with design
• Short delivery times, thanks to modern production methods

Customer supply

• Hirth serrations machined on customers own components
• Advice, configuration and design as well as quality assurance from one single source
• Fast delivery as a result of high manufacturing flexibility

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