Bimetallic
PVC Conical Twin Screw and
Barrel
ZHONGYANG SCREW is one of the most history and famous screw
barrel brand in China.
We have
professional and experienced teams in every department of our
company. We think professional, quality and service is the
basic of business. If you want reliable and helpful screw
barrel, we will be your best choice! Please kindly find our
detailed information as following:
Product
Details:
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
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
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!