Screws and barrels for extruder machine Depth of nitrated layer: 0.5-0.8mm Hardness of nitration: 900-1020hv Fragility of nitration: less than grade 1 Surface roughness: ra 0.4um Surface hardness of nitrated cr coating layer:í²950hv Hardness of bimetallic layer: hrc55íp-72íp Thickness of cr-coating layer: 0.03-0.08mm Depth of bimetallic layer:ú+2mm Specifications of screw: ª)20-ª)250 l/d 15-50 we offer various types of extruder screws and adjust to different compression ratio, which can fulfill customer's requirement perfectly.
Over 29 years experience in screw and barrel , more info pls find kaylee(at)tizatech.com Specification: Diameter: Ã?15-Ã?500 L/D ratio:15-55 Base Materials: 1)38CrMoAlA(SACM 645) 2)42CrMo(AISI 4140) 3)Cr12MoV(SKD11) 4)4Cr5MoSiV1(SKD61) 5)9Cr18MoV 6)40Cr Bimetallic Alloy Materials: 1)Fe-based alloy 2)Ni-based alloy 3)Co-based alloy 4)Tungsten carbide Processing Technology: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Technical Parameter: Nitrided layer depth:0.50-0.80mm Nitrided hardness: 900-1100HV Nitrided brittleness: Less than 2 level Surface roughness: Ra 0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness: â?¥950HV Chrome-plating layer depth: 0.025~0.10mm Bimetallic layer depth: 2 mm Bimetallic hardness: HRC50-65 Material to be extruded: PP, PE, PVC, ABS, AS, PS etc. We can manufacture all types of screws and barrels according to clientsâ?? requirement
Specification: Screw diameter: d15- d 300 L/d ratio: 15-46 Product classification: Aiming at different plastic products the screw can be chosen from: general type, pin type, barrier type, separation type, and gas-exhausting type, etc. Base materials: (1)38crmoala(jis sacm645) (2)42crmo(aisi 4140) (3)4cr5mosi v1 (jis skd-61) (4)9cr18mov (5)hpt Bimetallic alloy materials: 1)fe-based alloy 2)ni-based alloy/deloro alloy 3)co-based alloy 4)nico-based alloy 5)tungsten carbide/wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000hv Nitrided brittleness: less than grade 1 Surface roughness: ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: >950hv Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm Slushing oil coated& film wrapped in wooden case
Specification: Screw Diameter: D15- D 300 L/D ratio: 15-46 Product classification: Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc. Base Materials: (1)38CrMoAlA(JIS SACM645) (2)42CrMo(AISI 4140) (3)4Cr5MoSi V1 (JIS SKD-61) (4)9Cr18MOV (5)HPT Bimetallic alloy materials: 1)Fe-based alloy 2)Ni-based alloy/Deloro alloy 3)Co-based alloy 4)NiCo-based alloy 5)Tungsten carbide/Wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000HV Nitrided brittleness: less than grade 1 Surface roughness: Ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: >950HV Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm Slushing Oil Coated& Film Wrapped in Wooden Case
Ningbo Superior Machinery and over 30-year-old factory with ISO 9001:2008 certificated, manufacturing screws, barrels for injection and extrusion processing. Specifications of our Ni-based bimetallic barrel: Basic Material for body: superior pre-hardening material 4140 Alloy powder: Nickle-based self-melting alloy powder from American Wall Colmonoy Corporation Processing: vacuum sintering cladding ( we're the first and unique Chinese factory applying this technology to barrel production since 2009!) Hardness: 56-60 HRC Service life: 3~6 times than bimetallic barrels processed by high temperature centrifugal casting Application: halogen-free plastic, the high abrasion, corrosion materials adding high fibre, carbon fiber, mineral fiber, ceramic, magnetic powder, metal powder etc. Advantage: more stable molecular structure, higher density of the alloy power than common bimetallic barrels.
Specification: Screw diameter: d20mm-d220mm Mould clamping force: 250t-3200t Shot weight: 30g-30000g Technical information Base materials: (1)38crmoala(jis sacm645) (2)42crmo(aisi 4140) (3)4cr5mosi v1 (jis skd-61) (4)9cr18mov (5)hpt Bimetallic alloy materials: 1)fe-based alloy 2)ni-based alloy/deloro alloy 3)co-based alloy 4)nico-based alloy 5)tungsten carbide/wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000hv Nitrided brittleness: less than grade 1 Surface roughness: ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: ¡ã 950hv Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm. Slushing oil coated& film wrapped in wooden case
Specification: Screw diameter: d20mm- d220mm Mould clamping force: 250t-3200t Shot weight: 30g-30000g Base materials: (1)38crmoala(jis sacm645) (2)42crmo(aisi 4140) (3)4cr5mosi v1 (jis skd-61) (4)9cr18mov (5)hpt Bimetallic alloy materials: 1)fe-based alloy 2)ni-based alloy/deloro alloy 3)co-based alloy 4)nico-based alloy 5)tungsten carbide/wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000hv Nitrided brittleness: less than grade 1 Surface roughness: ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: 950hv Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm. Slushing oil coated& film wrapped in wooden case
Screws and barrels for rubber processing machine Various types of feed screws and barrels for rubber machine
Screws and barrels for injection molding machine Specifications:30g-25000g screws, can be matched with corresponded screw heads, distributors, barrels according to customer's requirement Depth of nitrated layer: 0.5-0.8mm Hardness of nitration:900-1020hv Fragility of nitration: less than grade 1 Surface roughness: ra 0.4um Surface hardness of nitrated cr coating layer:í²950hv Hardness of bimetallic layer: hrc55íp-72íp Thickness of cr-coating layer: 0.03-0.08mm Depth of bimetallic layer :ú+2mm
Bimetallic screws Rigidity: HRC56~62 Applicable temperature: below 350 Applicable plastic materials: PA, PPT, PA with fiberglas, ABS, PC Applicable plastic products recommended: PA, ABC, PC Predominance: screw ridge surface wearable, perfect in adding less than 30% fiberglass and regenerate additive In wooden case
Parallel twin screw In wooden case
Specification: 45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188 The above are standard specifications, we can customize according to customers' requirements. The compression ratio of screws can be designed according to different products and ingredients. Base materials: 1)38crmoala(jis sacm645) 2)42crmo(aisi 4140) 3)4cr5mosi v1 (jis skd-61) 4)9cr18mov 5)hpt Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000hv Nitrided brittleness: less than grade 1 Surface roughness: ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: ¡ý 950hv Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm Slushing oil coated& film wrapped in wooden case
Twin conical screws and barrels Types of double screws Gradual, levity, commingle, taper, supper, taper, granulating etc. Used for producing pipes, profiles and sheets of ordinary plasticíópp, pe, absíóasíóps etc
Twin Conical Screws and Barrels Types of double screws gradual,levity,commingle,taper,supper,taper,granulating etc. Used for producing pipes,profiles and sheets of ordinary plasticíóPP,PE,ABSíóASíóPS etc