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Welcome to jsc engineering
Manufacturer / Exporter / Supplier Of Screw Barrels, Nitride Barrels, ring plunger sets, shut off nozzle, nozzle filters, Injection Molding Machine Nozzle, Vented Groove feed screw barrels, Twin Screw Barrel, Ring plunger set
Most of the screws are made using Nitriding steel (EN-41B), chrome alloy steel, H-13 tool steel or stainless steel. Special corrosion-resistant alloys are also available. For each type of screw, we can advise you on a specific profile according to the material processed and its processing conditions. Our engineers are also available to advise you on the choice of steels and treatments.
Nitride Barrels Nitride Alloy Steel as base materials in all Plastics industry, We are using EN-41b MUSCO Material For all standard barrels. Thickness from 0.5 to 0.7 mm, hardness 65-68 HRC, Principle of nitride process is based on penetration of atomic nitrogen into the peripheral steel layer with the temperature of 550 C and it causes increasing the peripheral toughness by formation of nitrites and by depositing the nitride atom in areas between grids which causes grid tension Nitriding is a heat-treating process that diffuses nitrogen into the surface of a metal to create a case-hardened surface.
Manufactured from premium quality materials. Free passage, improved flow and consistency with enhanced yields. 3 component screw tip design enables components to be replaced individually. Manufactured from premium quality materials, EN-41B , H-13, WPS, CPM 9V H-13 is a hot work tool steel having the ability to maintain hardness in high temperature atmospheres. It is therefore an excellent choice as a base material for nitriding which is performed at temperatures exceeding 1000° F. The three part standard non return vale is usually a good compromise. There are no such things as good or bad non return valves, only appropriate and inappropriate one. Reaching a high service life with only slight erosion, is the aim of a “good” non return valve Ring Plungers Set Manufactured from premium quality materials. Free passage, improved flow and consistency with enhanced yields Ring plunger set Our service demand is always to offer our customers the optimal solution with a short delivery time. Abrasion and corrosion-resistant Ring plunger material, Bimetallic & Nitrided with excellent surface hardness.
Internal Spring Shut-off The nozzle is opened directly from the injection pressure and closed again with spring force. A needle which moves axially in the needle shut-off nozzle is held in the closed position by force of the spring. The nozzle orifice is normally closed. A temperature resistant material is used for the spring construction. External Spring Shut-off At start of the injection cycle the nozzle tip moves forward and when making contact with tool, force the tip back against the body and in doing so, allow the material to flow through the plunger to fill the mold. End of the injection cycle, the nozzle retracts and the pressure of the material within the barrel forces the tip into the forwards position, thereby shutting off the flow
Filtration nozzle A clean melt, free of foreign particles is necessary for the trouble-free and economical production of moulded parts. Almost all thermoplastics can be processed with this filter nozzle. Only PVC is not suitable. By altering the melt flow this nozzle has an additional advantage of a mixing effect which can improve homogenization.
Injection molding machine nozzle commonly use in every plastic industries. H-13, EN-41B, EN-24 Stainless Steel Alloy with 50 to 55 HRC use for corrosive materials. Service demand is always to offer our customers the optimal solution with a short delivery time. Machine nozzles are designed to be easily threaded onto the injection molding barrel.
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