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Name:Conical Double Screw and Barrel for Extrusion Machinery, Base Material: 38CrMoAlA, Treatment: Nitriding and Bimetallic - details see: https://www.machineto.com/conical-double-screw-and-barrel-for-extrusion-machinery-10334515

Item	Types of Scres(d/D)	Length of Work(mm)	Quantity of Extruder(Kg/h)	Speed of Screw rotate(rpm
1	φ35φ77	810	40-70	5-50
2	φ45φ90	990	50-80	5-45
3	φ50φ105	1070	100-150	4-45
4	φ51φ105	1220	100-150	4-45
5	φ55φ110	1220	120-180	4-40
6	φ60φ125	1320	150-200	4-40
7	φ65φ120	1440	200-250	4-40
8	φ65φ132	1440	200-250	4-40
9	φ70φ140	1460	220-300	4-40
10	φ75φ150	1480	250-320	4-35
11	φ80φ143	1660	300-360	4-35
12	φ80φ156	1800	300-360	4-35
13	φ90φ184	2000	400-500	3-35

Specification:

1) Name: Conical Double Screw and Barrel for Extrusion Machinery

2) Lead Time: About 20 to 25 working days after we receive the deposit

3) Packaging Detail:Film wrapped in wooden case withoutfumigation(export standard)

Detailed Technical Information

Base Material	1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11) 3)4Cr5MoSiV1(JIS SKD-61) 4)42CrMo(AISI 4140) 5)9Cr18MoV
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
Bimetallic Alloy level	Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5%
Designing	Screw structure and compression ratio can be designed according to different products & different clamping force requirement.
Treatment Technology	1)Longer time Gas Nitriding treatment 2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide 4)cobalt base alloy 5)stainless steel 6)Gh113 nickel based alloy Treatment Nitriding treatment(>100 Hours) Depth of Nitrided Layer: 0.5-0.8 mm Hardness of Nitrided Layer: >950Hv Hard Chrome Plating treatment: Thickness of Hard Chrome Plating Layer: 0.03-0.08mm Hardness of Hard Chrome Plating Layer:≥950HV Nickel alloy plating.treatment: Bimetallic Barrel Centrifugal Casting (Inlay Alloy) Bimetallic Screw: Plasma Alloy Coating Spraying Depth of Bimetallic Layer: >2mm Hardness of Bimetallic Layer: HRC55°-65°
Material Application	1)General Plastics 2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc 3)PA + GF(Glass Fiber) 4)Flame-resistant Reinforced Plastics 5)Modified Engineering Plastics 6)All kinds of Mixed Recycled Material(in Scrap or Granule),etc
Basic Information	1)Name: Extruder Conical Twin Screw and Barrel 2)Hardness After Hardening & Tempering:HB280-320 3)Nitrided Hardness:HV850-1000 4)Nitrided Case Depth:0.45-0.70mm 5)Nitrided Brittleness:Less Than Grade 2 6)Surface Roughness:Ra 0.4 7)Screw Straightness:0.045mm 8)Surface Chromiun-plating Depth:0.025-0.01mm 9)Alloy Hardness:HRC56-65 10)Alloy Depth:0.8-2.0mm
General Terms	Means of transport: Ocean,Air,Express Production time: About 20 to 25 working days after we receive the deposit and lead time will different according to the order quantity.
Competitive Edge	1.Long lifetime,low energy consumption. 2.Wonderful plasticizing 3. High wear resistance, resistance to corrosion 4. Fast and On time delivery