Manufacturing PVC Pipe Bimetallic Twin Conical Screw Barrel

• Model NO.: ZYT418
• Structure: Horizontal
• Automation: Automatic
• Size: Customize
• Nitrided Layer Depth: 0.5-0.8mm
• Bimetallic Layer Depth: 3mm
• Trademark: Zhongyang
• Origin: China(Mainland) Zhejiang

• Type: Injection Blow Molding
• Plastic Type: Thermoplastic
• Computerized: Computerized
• Material: Nitriding Steel
• Nitrided Hardness: HRC56-58
• Bimetallic Layer Hardness: HRC58-62
• Specification: ISO 9001: 2008 approved
• HS Code: 84779000

Manufacturing PVC Pipe Bimetallic Twin Conical 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.

Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT

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

Focus on quality and service.
Experienced manufacturer, we will be the best choice.

Workshop Display:


Products Application:
1)General Plastics, PVC
2)Material compounds CACO3, glass fiber, recycle materials, stabilizer
3)ABS,TPR,TPU,PMMA,C-PVC,UPVC,RPVC,PET,EVA,PU etc
4)Scrap and waste plastic and PVC recycling
5)Modified engineering plastics

Terms and Conditions:
Means of transport: Ocean,Air,Express
Production time: About 20-30 days after we receive the advanced payment

Production Process:
Receiving orders - Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching -  Hard-chrome plating - O.D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing & Shipping 


ZY SCREW's advantage:
First-class designing and researching team;
High quality and durable products of screw barrel;
Most professional sales who can serve for you timely;
Best customer service especially after-sale service; 
Powerful company's strength support long-term cooperation.
 
Welcome to contact us, Camille will reply you timely!

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