undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
undefined
+
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined

End-tooth plate, rat-tooth plate, end-face tooth plate, rat-tooth plate

Keywords:

Product Description

Hirth coupling, also known as face-tooth coupling or face-gear coupling, is a core component of mechanical indexing devices, playing a vital role in high-precision mechanical fields. The following provides a detailed analysis from the perspectives of core definition, structural characteristics, performance parameters, material and processing, structural design, and application value.

I. Core Definition and Application Fields

Hirth coupling is a precision positioning component consisting of a pair of toothed disks, achieving high-precision radial and circumferential positioning through uniformly distributed triangular engaging teeth on the end face. It is mainly used in fields requiring extremely high precision, including:
  • CNC machine tools
  • Precision measuring equipment
  • Aerospace equipment

II. Structural Characteristics and Advantages

The structure and performance of Hirth coupling have significant advantages, allowing it to be widely used in precision machinery:
  1. Structural composition : Composed of a pair of toothed disks, with triangular engaging teeth uniformly distributed on the end face, realizing positioning through tooth surface engagement.
  2. Core Advantages
    • Simple structure: Concise design, reducing complex transmission links.
    • Strong rigidity: Capable of bearing large loads and impact forces, ensuring equipment stability.
    • High repeatability of positioning: This is its most prominent feature, with typical indexing accuracy reaching ±2 seconds to ±5 seconds, ensuring the accuracy of the equipment in multiple positioning operations.

III. Key Performance Parameters

The performance parameters of Hirth coupling determine its applicable scope and application effect:
  • Indexing accuracy : ±2 seconds to ±5 seconds, meeting high-precision positioning requirements.
  • Diameter range : Covers 50mm to 1000mm, allowing selection of appropriate size according to different equipment requirements.
  • Indexing angle adjustment : Supports 1 degree or smaller indexing angle adjustment, achieving fine angle control.

IV. Material and Processing Technology

The material selection and processing technology of Hirth coupling directly affect its performance:
  1. Material : Made of chromium-molybdenum steel, which possesses high hardness and wear resistance after heat treatment, extending the service life of the component.
  2. Processing technology : Requires the assistance of high-precision CNC indexing tables, grinding wheel dressing compensation, and closed-loop control systems to ensure processing accuracy meets requirements.

V. Structural Design Diversity

To adapt to the needs of different equipment, Hirth coupling exhibits diversity in structural design:
  • Number of toothed disks : Includes two-piece or three-piece toothed disk designs.
  • Control method : Some models support oil pressure braking or servo hydraulic control, improving operational convenience and controllability.
  • Engaging tooth profile : Covers straight teeth and curved teeth, allowing selection of appropriate tooth profile based on specific application scenarios.
  • Customization : Can be customized with different indexing specifications to meet the individualized needs of equipment such as CNC rotary tables and power tool turrets.

VI. Value in Automation Applications

In CNC machine tool automation applications, the rapid positioning and stable performance of Hirth coupling make it an important functional module for five-axis linkage equipment, providing reliable positioning assurance for high-precision, high-efficiency mechanical processing, and promoting the manufacturing industry towards higher precision and automation levels.

Classification:

Gear Series

Product Consulting

Related Products