Damaged and worn work surfaces of extrusion and blowing heads can be renovated by welding-on special high strength materials and hard materials based on tungstein carbide as required.
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Renovation of extrusion heads and blowing heads
Surface treatment of work surfaces for new and renovated heads is done by:
- precise grinding
- polishing
- surface finishing – hard chrom plating or nickel plating, nitriding, hardening and various kinds of spray coatings of choice
