CONTENTS Cleaning Milling Fine grinding/ polishing Diamond tools Occupational safety Grinding Cutting EN 2024/2025 Brush diameter and fill material length The diameter of the brush and the length of the fill material used are the key factors that determine the result of the surface treatment. If you combine smaller brush body diameters with longer fill material lengths then soft and flexible brushes are the result. These are an outstanding choice for the processing of structured workpieces or for light and gentle surface treatment. A larger brush body diameter combined with short lengths of fill material results in more aggressive brushes: these can be used for deburring applications as well as for the removal of more widespread soiling. For efficient surface preparation, please select the maximum brush diameter that can be fitted to the equipment’s respective drive system. The brush diameter can also be used to control the peripheral speed and the cleaning performance of the brush, for example. Important: Brushes fitted to handheld machines must have a maximum external diameter of 180 mm! Brush fill material density The fill material density depends on the number of wire tips per surface unit. High fill material densities form the basis for optimal performance and brush lifetime, as well as ideal results for e.g. deburring work. Low fill material densities increase the flexibility of the brush and are a precondition for the processing of strongly profiled surfaces. Where brush diameters are the same, fill material density can be influenced by the body size. Factors determining the contact pressure of a brush include the brush’s insertion depth in the workpiece. Triple the wire thickness is recommended, e.g. 1.0 mm insertion depth with a wire thickness of 0.35 mm. Optimum orientation of the brush to the workpiece CLEANING ADVICE ON PRODUCT SELECTION 065
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