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China, Chinese Conical Twin Screw & Barrel/Cylinder for PVC/WPC Powder1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Plastic Machinery PartsSingle Screw & BarrelSingle Screw
Zhangjiagang Chenxing Machinery Co., Ltd.
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Product Description Technical Parameter:1. Material is 38CrMOALA, tempering hardness: 260-290HBS, Metallurgical structure: More than 95% sorbite, crystal particle degree: 6-8 grade, Nitridation layer depth: 0.4-0.7, Nitridation rigidity on surface: 940-1050HV, brittleness less than 2 grade; Linear degree meet national rubber&plastic machinery industry standard; Roughness degree: The surface which is touched with material shall be processed with fine honing, and the fine polishing can reach Ra value of 0.4-0.2; The screw spray welding's nickel-base alloy+WC, thickness: 2.6-3mm; Hardness: HRC62± 2, without crack and flaw; Make bottom part nitridation treatment;2. Material is 3Cr2W8V, H13(injection chamber), the whole body quenching hardness: HRC60± 2, nitridation hardness: 1050HV, inner hold for fine grinding Ra value 0.43. Material: Cr12molvl, the whole body quenching hardness: HRC60± 2, inner hole for fine grinding Ra value 0.4;4. Diffluencece combing, backflow parts material: Imported SKD61 quenching hardness: Above HRC55 or double alloy structure;5. Can proceed to plate hard chrome after nitriding screw surface; The thickness for chromeplate is 0.03-0.04mm;6. The passagewaypart for all kinds of mould, the thickness for plating hard chrome is 0.05-0.08, Polishing fine-coarse degree reach Ra value 0.4-0.2;Single screw & barrelModelSJ25SJ35SJ45SJ55SJ65SJ75SJ90SJ120SJ150SJ180SJ200SJ250SJ300diameter of screw (MM)25354555657590120150180200250300Ratio of L/D8:1, 25:1, 28:1, 30:1, 33:1 for optionalConical twin screw & barrelModelSJSZ51SJSZ65SJSZ80SJSZ92Diameter of screw (mm)51658092Length of the screw (mm)105132156188
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