Abrasive Nylon Brushes - Spazzole con Nylon Abrasivo


ABRASIVE NYLON BRUSHES This filament is made of nylon 612 bases with abrasive grains; nylon is an ideal material to be used as filament for brushes, thanks to: • strong abrasive properties • high chemical resistance • flexibility of the filaments, so it’s possible to work non-plane surfaces • long lasting Our brushes are available with three different kinds of filaments: Nylon 612 loaded with silicon carbide (SC) Nylon 612 loaded with aluminium oxide (AO) Nylon 612 loaded with aluminium silicate (AS) AVAILABLE GRITS SC: abrasive grit in silicon carbide • Filament with round section: from 36 to 500 • Filament with rectangular section: 80/120/180/320 OA: abrasive grit in aluminium oxide • Filament with round section: from 80 to 600 • Filament with rectangular section: 80/120/180/320 AS: abrasive grit in aluminium silicate • Filament with round section: grit 2000 Different grit available on request.

HOW TO CHOSE THE KIND OF ABRASIVE NYLON Use silicon carbide in general for all applications where strong removal is requested. On the contrary, we suggest using of aluminium oxide/aluminium silicate where silicon carbide seems to be too aggressive or can cause contamination in some kind of applications on non-ferrous materials (like soft materials, wood, plastic material or aluminium). The efficacy of the brushing action can vary according to speed, working pressure, density/wire trim length and, most of all, according to the kind of filament; grit 120 and 180 can be used in quite all applications and, anyway, as a first test step for the surface treatment; after that, it is possible to choose a most suitable grit, depending on the required finishing degree.


BRUSHING SUGGESTIONS WITH ABRASIVE NYLON BRUSHES Brushes with metallic wires remove material “by impact”, whereas brushes with abrasive nylon filaments act “through abrasion”; for this reason, in general, it would be better to use lower working speed and pressure. WORKING PRESSURE: in case of abrasive nylon wheel brushes, the best cleaning performance, linked to the long lasting of the brush itself, is given by working with a depth of interference not exceeding 1/8 of the trim length. In case of front-end brushes, the depth of interference to be used must not exceed 2-3 mm. What we suggest is to start working with the minimum interference pressure possible, increasing it until reaching the required final result. ROTATING SPEED: optimisation of speed depends from specific application and brush types. In general, for circular brushes, we recommend peripheral speeds not exceeding 18/20 m/s (see table page 12). Use lower speeds for front-end brushes. REFRIGERATION: we recommend to use refrigerants (filtered water) for heavy-duty applications, so that to avoid the reduction of filament’s mechanical resistance, and to obtain more brilliant finishing. FEED RATE: if we decrease FEED RATE, we can reach: maximum edges radiusing and complete burrs removal. On soft materials, it is possible to use higher feed rate speeds.


A High density filament rings for gear deburring. B Front-end cups for the cleaning and satin finishing of aluminium wheel rims. C Rolls for manual brushing machines for wood and metals. D Tube brushes for deburring in working centre. E High density filaments thermic-welding rings with non-metallic parts for working on stainless steel and alloys. F Cups with shaft for working centre. G Front-end cups for light finishing treatments on alloys, marble and granite. H Modules (frankfurt types) for light treatments of getting marble and granite ancient and special plate to adapt the steel brushes for a different finishing level. I Cylindrical spiral brushes for satin finishing and surface treatment on steel, alloys and aluminium.
Examples of use of abrasive nylon on different materials. Examples are indicative and obtained according to material to treat with brushes of different shapes, grit and section of different wire. Our technical office will best advice you on the type of brush to be used.