The specification refers to a standardized Type E relief groove (undercut) with a radius of 0.6 mm and a depth of 0.2 mm , primarily used in precision machining to ensure proper fitment and stress distribution in cylindrical parts. This specific configuration is "exclusive" to components that require a single machining surface, typically where a cylindrical shaft meets a flat shoulder but the shoulder itself does not undergo further finishing. Technical Breakdown of DIN 509 E0.6x0.2
Ensuring reliable alignment of bearings on high-load, high-speed machines.
The DIN 509 standard provides a blueprint for creating relief grooves—recesses cut into the inner corner of a rotationally symmetric workpiece. These are essential for allowing mating parts to sit flush against a shoulder or for providing clearance for subsequent grinding or threading tools. Specification Description Used for workpieces with one machining surface. Radius (r) 0.6 mm The curvature of the undercut base. Depth (t1) 0.2 mm The penetration depth into the workpiece material. Machining Allowance (z) Standardized din 509e06x02 exclusive
The undercut is far more than just a notch in a piece of metal. It is a highly engineered, standardized feature that provides an exclusive balance of structural longevity and manufacturing efficiency. For applications requiring a robust, reliable, and standardized corner relief, it stands out as an optimal choice in modern mechanical design.
Adhering strictly to the unified DIN 509 framework yields severe advantages across the product lifecycle: 1. Elimination of Stress Concentration The specification refers to a standardized Type E
Where high assembly precision and fatigue resistance are needed. Design and Production Considerations
No part leaves the line without a listing bath chemistry logs, thickness measurements (X-ray fluorescence - XRF), and salt spray test results from a control coupon. The DIN 509 standard provides a blueprint for
According to official engineering catalogs like OMP Italy's Technical Specifications , this specific geometry is recommended for part diameters ( Why Form E Over Form F?
According to DIN 509 standards , this specific size (0.6 x 0.2) is generally recommended for workpieces with a diameter range of .
