Twin Conical Screw Barrel PVC Extrusion Screw Barrel Double Screw Barrel

• Customization: Available
• After-sales Service: Yes
• Type: Pipe Extruder
• Model NO.: ZYSCREW
• Product Type: Extrusion Molding Machine
• Feeding Mode: One Feed
• Assembly Structure: Separate Type Extruder
• Screw: Twin-Screw
• Engagement System: Full Intermeshing
• Screw Channel Structure: Deep Screw
• Automation: Automatic
• Computerized: Computerized
• Size: Customize
• Nitrided Layer Depth: 0.5-0.8mm
• Nitrided Hardness: 900-1000hv
• Nitrided Brittleness: Less Than Grade 1
• Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
• Specification: ISO9001: 2008 approved
• Trademark: ZHONGYANG
• Origin: China(Mainland) Zhejiang
• HS Code: 84779000
• Production Capacity: 500sets/Month

Product Description

Twin Conical Screw Barrel PVC extrusion screw barrel double screw barrel, plastic extrusion screw barrel, extruder screw barrel
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

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: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Warranty and service: 1 year

Our screw and barrel can ensure high performance and low energy consumption for Injection molding machine.
What's more, we can supply the most optimum designs of screw barrel with your requirements.
 

Main Base materials	1.38CrMoAlA  (Nitriding Steel)
	2.  SKD-61   (Special Tool Steel)
	3.  42CrMo (Ultrahigh Strength   Steel)
	4. DC53 ( Cold Work   Die Steel)
	5. W6Mo5Cr4V2 ( High-Speed   Tool   Steel )
	6. HPT
Main Alloy Materials	1.  Ni-based alloy/Deloro alloy
	2.  Tungsten carbide/Wolfram carbide
	3.  NiCo-based alloy
	4.  Fe-based alloy
	5.  Co-based alloy
Processing Technics	1.  Heat treatment
	2.  Quenching
	3.  Nitriding treatment
	4.  Bimetallic alloy welding
	5.  Bimetallic alloy centrifugal casting
	6.  Hard-chrome electroplating
Technical parameters	Nitriding layer depth	0.5-0.8mm
	Nitrided hardness	HRC56-58
	Nitrided brittleness	Less than grade 1
	Surface roughness	Ra 0.4
	Linearity of screw	0.015mm
	Hard-chrome plating hardness	≥HRC57
	Chrome-plating layer depth	0.03-0.09mm
	Bimetallic layer depth	3 mm
	Bimetallic layer hardness	HRC58-62
Above are main technical information, a suitable screw and barrel will be made according to your requirement.