ISO/TC 29/SC 5/WG 5 - Bonded abrasives

This document specifies the most common nominal dimensions, in millimetres, of: — shape type 41: flat cutting-off wheel; — shape type 42: depressed centre cutting-off wheel. These bonded abrasive products are intended to be used for cutting‑off of any workpiece using stationary or mobile cutting-off machines, both manually and mechanically guided. In the application that is manually guided, the workpiece is firmly clamped or stabilized by its own weight. The cutting‑off wheel is guided by the operator and the workpiece is fixed, or vice versa. This document does not specify limit deviations and run‑out tolerances, which are given in ISO 13942.

This document specifies the most common nominal dimensions, in millimetres, of: — shape type 6: straight cup grinding wheel; — shape type 11: taper cup grinding wheel; — shape type 27: depressed centre wheel for grinding or grinding/cutting-off; — shape type 28: depressed centre grinding wheel, concave shape; — shape type 29: depressed centre grinding wheel, convex shape. These bonded abrasive products are intended to be used for deburring and fettling/snagging of any surface of a workpiece using hand-held grinding machines (angle grinder). In this application, the workpiece is fixed and the grinding machine is guided by the operator. This document does not specify limit deviations and run-out tolerances, which are given in ISO 13942.

This document specifies the most common nominal dimensions, in millimetres, of: — shape type 41: flat cutting-off wheel; — shape type 42: depressed centre cutting-off wheel. These bonded abrasive products are intended to be used for cutting‑off of any workpiece using hand-held power tools (e.g. angle grinders and straight grinders). In this application, the workpiece is fixed and the hand-held power tool is guided by the operator. This document does not specify limit deviations and run‑out tolerances, which are given in ISO 13942.

This document specifies the essential limit deviations and run-out tolerances for bonded abrasive products.

ISO 6103:2014 specifies the maximum permissible values of unbalances for bonded abrasive wheels with an outside diameter D ≥ 125 mm and maximum operating speed vs ≥ 16 m/s, in the as-delivered condition. It also specifies the method for measuring the unbalance and the practical method for testing whether a grinding wheel is acceptable or not. It is applicable to bonded abrasive wheels in the as-delivered condition. It is not applicable to diamond, cubic boron nitride or natural stone grinding wheels, or to centreless control wheels, lapping and disc wheels, ball wheels or glass grinding wheels.

ISO 603-17:2014 specifies the current shapes, nominal dimensions and limit deviations, in millimetres, of Type 52: Spindle mounted wheels. These bonded abrasive products are intended to be used for hand-held grinding and manually guided or on hand-held power tools guided by hand.

ISO 603-18:2013 specifies the shapes, dimensions and limit deviations, in millimetres, of grinding wheels for flat glass edge grinding machines. This type of bonded abrasive wheel is intended to be used on stationary machines where the position of the grinding wheel is fixed and the workpiece is guided by hand or guided mechanically, or on a stationary machine where the grinding wheel is guided mechanically and the workpiece is fixed.

ISO 525:2013 is applicable to bonded abrasive products (e.g. grinding wheels, segments, sticks and stones) in general, excluding superabrasive products and coated abrasive products. ISO 525:2013 specifies: the ISO type number and shape; dimensional symbols; standard profiles; requirements for dimensions, limit deviations and tolerances as well as permissible unbalance; the specification mark; the marking requirements.

ISO 6103:2005 specifies the maximum permissible values of unbalances for various grinding wheels of ISO 603-1 to ISO 603-9 and ISO 603-12 to ISO 603-16 in the as-delivered condition, with an outside diameter greater than 115 mm and maximum operating speed greater than or equal to 16 m/s. It also specifies the method for measuring the unbalance and the practical method for testing whether a grinding wheel is acceptable or not. ISO 6103:2005 is applicable to bonded abrasive grinding wheels in the as-delivered condition. It is not applicable to diamond, cubic boron nitride or natural stone grinding wheels, or centreless control wheels, lapping and disc wheels, ball wheels or glass grinding wheels.