Damaged and worn working surfaces of extrusion and blowing heads can be refurbished by welding-on special high strength materials and hard materials based on tungstein carbide as required.
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Refurbishment of extrusion and blowing heads
Surface treatment of working surfaces for new and refurbished 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
