BS EN ISO 18388:2019

What is ISO 18388 - Relief groove standard about?  

Relief grooves are widely referred in technical drawings. ISO 18388 specifies a series of relief grooves for shafts and holes, intended for general use in mechanical engineering. 

ISO 18388 also helps you to avoid unnecessary multiplicity of tools by a restricted selection of groove types and dimensional versions. 

NOTE: The shape and the dimensions of the relief grooves type G and H correspond with the “Indexable hard material inserts” according to ISO 6987. 

Who is ISO 18388 - Relief groove standard for?  

ISO 18388, the relief groove standard is useful for:  

• Engineers 
• Architects 
• Designers 
• Technologists 
• Technicians  
• Specialized workers 

Why should you use ISO 18388 - Relief groove standard?  

Relief grooves are applied at the snap ring cut for reducing stress concentration and improving the fatigue life of an axle drive shaft. The measurements of relief grooves are specified on technical drawings. 

ISO 18388 guides you with information on: 

• Technical terms and definitions 
• Dimensions of the relief grooves 
• Designation of relief grooves 
• Simplified and detailed representations of relief grooves 

ISO 18388 guidelines help you to get a detailed sense of technical grooves for using in TDP.