Parallel twin-screws and barrel

[Return Home] [Go Back]

Parallel twin-screws and barrel

Product Abstract:

Parallel twin screw and barrel
Specification: Diameter: Φ45mm-φ200mm L/D ratio: 16-35 The compression ratio of screws can be designed according to different products and ingredients
Technical Information Base Materials: 1)38CrMoAlA(JIS SACM645) 2)42CrMo(AISI 4140) 3)4Cr5MoSi V1 (JIS SKD-61)

Product Description

Parallel twin-screws and barrel

JINJUN Screws are designed to provide improved melt quality and increased production as the key point of plastic machine.

With it's outstanding advantages of Screw yield strength, wear resistance and overall hardness. JINJUN Screws are widely used for improve
--MAX output rates
--MAX process stability
--MAX mixing properties

Technical parameter:

Diameter of screw: φ45-φ200

L/D ratio: 16-35

Hardness after hardening and tempering: HB280-320

Nitriding hardness: 950-1100HV

Nitrided layer depth: 0.5-0.8mm

Nitrided brittleness: Less than grade 2

Surface roughness: Ra0.4

Linearity of screw: 0.015mm/m

Bimetallic layer depth: ≥3mm

Bimetallic hardness: HRC60-72

Hard-chrome plating hardness after nitriding: ≥950HV

Chrome-plating layer depth: 0.025~0.10mm

Technical Information Base Materials
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)



Hard-chrome plating

Alloy powder spray welding

Our Advantages
1.       More than 15 years experiences of manufacturing and designing screw
2.       Professional design and R&D team
3.       Customized service for each customer
4.       Fast response to each inquiry
5.       In-time after sale service, Long life time and 1 year guarantee.


The most common types of parallel twin screw barrel extruder
D35/5 D45/2 D50/2 D60/2 D65/2 D70/2   D72/2
D75/2 D80/2 D85/2 D90/2 D93/2 D100/2 D105/2
D110/2 D115/2 D120/2 D125/2 D130/2 D140/2 D150/2
D160/2 D170/2 D180/2 D190/2 D200/2 D200/2 D250/2



The most common types of conical twin screw barrel extruder
types of screw (d/D) length of work(mm) quantity ofextruder(kg/h) speed of screw rotate(rpm)
Φ35/77 810 40-70 5~50
Φ45/99 990 50-80 5~45
Φ51/105 1070 100-150 4~45
Φ51/105 1220 100-150 4~45
Φ55/110 1220 120-180 4~40
Φ60/125 1320 150-200 4~40
Φ65/120 1440 200-250 4~40
Φ65/132 1440 200-250 4~40
Φ70/140 1460 220-300 4~40
Φ75/150 1480 250-320 4~35
Φ80/143 1660 300-360 4~35
Φ80/156 1800 300-360 4~35
Φ90/184 2000 400-500 3~35


Bimetallic/alloy material types for alloy screw and barrel 

parallel cylinder/parallel screw cylinder/parallel twin screw barrel for plastic extruder machine


Related Products

Contact Us