Basic Info.
Standard
DIN, ASTM, GOST, GB, JIS, ANSI, BS
Material More
38 Crmoala(JIS Sacm645); 42 Crmo(AISI 4140) Cr12mo
Nitrided Hardness
Hv900°~1000°
Hardness After Hardening and Tempering
Hb260 °
Nitrided Brittleness
Above 2 Stage
Screw Straightness
0.015mm
Hardess of Surface Chromium-Plating Afte
Hv≥950hv
Chromium Plating Depth
0.05~0.10mm
Alloy Hardness
HRC56°~65°
Alloy(Bimetallic)
Iron,Nickel,Tungsten,Molybdenum
Types of Screw Barrel
Gradual Type,Mutant Type,Wave Type,Barrier Type,Do
Transport Package
Wooden Boxes
Trademark
ALVEN MACHINERY
Origin
Zhoushan of Zhejiang in China
Production Capacity
100sets/Month
Product Description
Product Description
Technical Parameters:
Diameter: Ø15-Ø300
L/D ratio:15-55
Or other according to requirement, we are rich experience in producing and designing!
Product | Plastic extruder screws barrels |
Material | 38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140) Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61) |
Nitrided Hardness | HV900°~1000° |
Hardness after hardening and tempering | HB260 ° |
Nitrided Depth | 0.5~0.7mm |
Nitrided Brittleness | above 2 stage |
Surface Roughness | Ra0.4 |
Screw straightness | 0.015mm |
Hardess of surface chromium-plating after Nitriding | HV≥950HV |
Chromium plating Depth | 0.05~0.10mm |
Alloy Depth | 0.8~3.0mm |
Alloy hardness | HRC56°~65° |
Alloy(bimetallic) | iron,nickel,tungsten,molybdenum |
Types of screw barrel | Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc. |
Scope of application
WPC sheet,pallets,pinch,pipe,profiles,soft pvc,pvc foam sheet,film,tape,recycled,tape tube,water pipe,drainage pipe,etc.
For good plasticizing effect,we have different designs of screw and barrel for extruder or injection to meet customer's demand.Our factory manufactures with high-quality material, applying the method of hardening and tempering and nitriding, thus it enjoys the characteristics of long working life, wear resistance, and anti corrosion. Besides, the technique of hard alloy spraying or chrome plating can be used on the working surface of screw, which will make it have better using effectiveness.
Detailed Photos
OUR EXHIBITION
FAQ
Our advantages:
1. Screw and barrel for various models
2. Professional engineers design for you
3. Over 20-year exprience in this line
4. Insist on developing screw and barrel for more injection and extruder machine models
5. Main market: Southeast Asia,Eastern Europe, South America,Africa
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