PFERD Tools Main Catalogue Page 565
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Industrial power brushes Filament materials and their application Selecting the filament material Filament material Steel wire (ST) Stainless steel wire (INOX) Stainless steel wire (INOX) Diamond (DIA) The material you will be working on Non-ferrous metals Cast iron Aluminium Soft non-ferrous Hard non-ferrous metals Titanium, bronze, nickelmetals Brass, copper, zinc based and cobalt-based alloys Steel Stainless steel (INOX) Plastics ● ○ ● ● ○ ○ ● - ○ - ○ - - - ● ● ● Brass wire (MES) - - - ● - - - Silicon carbide (SiC) Aluminium oxide (AO) Ceramic oxide grain (CO) Diamond (DIA) Nylon Bristle and goat hair (with polishing paste) ● ○ ● ○ - ● ○ ○ - ● ● ○ ○ ○ ○ ● ● - ● ○ ● ● - ● ○ ● ● ● ● ● ● ● ● ● ● = highly suitable ○ = suitable - = not suitable Wire filament ■ Crimped brushes (wavy wire): for work with particular requirements on the flexibility of the brushes, such as machining of highly contoured workpieces. ■ Knotted brushes (straight wire): for work that requires aggressive brushing behaviour, such as work on weld seams. Steel wire (ST) Advantages/properties: ■ PFERD special wire with high tensile strength and bending fatigue strength. ■ Guarantees a long tool life, even for extreme brushing applications. ■ Temperature resistance: up to 300°C Stainless steel wire (INOX) Advantages/properties: ■ Wire quality 1.4310 (V2A): stainless; does not leave corroding residues on the workpiece. ■ Used with low rotational speeds, compared to steel wire. ■ PFERD brushes with INOX filament are usually degreased. ■ Temperature resistance: up to 450°C Stainless steel wire (INOX) diamond (DIA) Advantages/properties: ■ Particularly well suited to applications that place particular demands on the aggressiveness of the brush. ■ Primarily used on materials with high material strength. ■ Temperature resistance: up to 450°C Brass wire (MES) Advantages/properties: ■ Wire quality CuZn37: brass wire is softer than steel wire. ■ It is non-sparking and produces fine surface finishes. ■ Temperature resistance: up to 180°C Plastic filament ■ Abrasive grains are embedded in flexible plastic filaments, which means that the filament works on the sides as well as at the tip. ■ Round filament: for applications that place particular demands on the flexibility of the brush. ■ Rectangular filament (REC): for applications that place particular demands on the aggressiveness of the brush. ■ Recommendation for use: Use coolant for applications where large amounts of heat are produced. Silicon carbide (SiC) Advantages/properties: ■ Particularly well suited to deburring work and for improving surfaces. ■ Temperature resistance up to 220°C Aluminium oxide (AO) Advantages/properties: ■ Less sharp-edged and aggressive compared with SiC. ■ Primarily suitable for polishing and smoothing finishes on soft metals. ■ Temperature resistance up to 220°C Catalogue Page 8 5 8
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