Screw & Barrel For Injection Molding Machine
The normal material of Screw and Barrel:
Material:38CrMoALA
Hardness after hardening and tempering:HB260°~320°
Nitrided Hardness:HV950°~1100°
Nitrided Depth:0.50~0.7mm
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:0.8~2.0mm
Alloy hardness:HRC56°~65°
Alloy:iron,nickel,tungsten,molybdenum
Process specifications of screw and barrel:
25-38000KN clamping force
30g-50000g injection unit
Types of screw:
[For good plasticizing effect , we have different design of screw barrel to meet customer’s demand]
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.
Specification parameter:
Amount of injecton(g) | Screw diameterXlength(mm) | Barrel diameterXlength(mm) | Amount of injection(g) | Screw diameterXlength(mm) | DiameterXlength(mm) |
30-90 | Φ30x90 | Φ85x860 | 800-1250 | Φ75x1825 | Φ170x1725 |
60-125 | Φ35x910 | Φ85x860 | 1000-1500 | Φ80x2000 | Φ180x1805 |
100-150 | Φ38x935 | Φ95x900 | 1250-2000 | Φ85x2300 | Φ190x1900 |
125-160 | Φ40x980 | Φ95x910 | 2000-3000 | Φ90x2700 | Φ210x2000 |
125-300 | Φ42x1030 | Φ105x8880 | 2500-5000 | Φ100x2600 | Φ230x2405 |
250-400 | Φ45x1210 | Φ115x1165 | 3000-6000 | Φ110x2600 | Φ256x2590 |
300-500 | Φ50x1300 | Φ125x1260 | 4000-10000 | Φ120x2800 | Φ256x2800 |
450-600 | Φ55x1335 | Φ130x1320 | 6000-8000 | Φ130x3010 | Φ256x2970 |
500-700 | Φ56x1350 | Φ130x1350 | 8000-10000 | Φ145x3010 | Φ256x3200 |
500-700 | Φ60x1380 | Φ140x1350 | 10000-15000 | Φ160x3500 | Φ270x3200 |
650-800 | Φ65x1415 | Φ150x1420 | 13000-25000 | Φ170x3415 | Φ317x3380 |
700-1000 | Φ70x1790 | Φ160x1685 |
Accessories of injection screw and barrel
Accessaries of screw and barrel for injection molding machines
(accessaries of screw and melt rubber tube,non-return valve, melt flange, nozzle, nozzle for nylon inside and outside the slingshot)
Material: tungsten alloy , SKD61,SACM645,SACM425,SACM440
Process mode: cast, quench, nitriding , nigrities
Range of work: inside diameter Ø16~Ø200
Effective length: 12000mm
Nitriding depth: 0.50mm~0.80mm
Quench hardness: HRC58-63
Straightness : 0.015mm/m
Thickness of chroming: 0.02mm~0.085mm
Apply to: ordinary plastic, PP、PE、ABS、AS、PS、etc.
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