Винт и цилиндр для пластикового экструдера с двойным

Shaft is spline design which is good for torque distribution.

Using 40CrNiMoA material, the compactness is increased by forging and processing, and the material torque is improved by heat treatment process. 

Chemical composition of materials:

Density (kg/m3): about 7830
Elastic modulus (GPa): 209
Tensile strength: b (MPa): ≥ 980 (100)
Yield strength: s (MPa): ≥ 835 (85)
The elongation is 5%: ≥ 12
The reduction rate of the cross section (%): ≥ 55
Impact energy Akv (J): ≥ 78
Impact toughness value of alpha kv (J/cm): ≥ 98 (10)

COWIN EXTRUSION was founded in 2012 in NANJING, Jiangsu Province. There are more than 50 people working in the company of which 5 engineers,15 people for mechanical processing and management, 20 assembling workers and 5 people for after-sales service.

COWIN EXTRUSION always focuses on R&D of new technology & products, equipment process and manufacturing, and turnkey project of high polymer related processing equipments.

COWIN products are mainly composed:1. twin screw extruders 2. single screw extruders 3. two stage extruders 4. plastic machinery parts 5. plastic granulators 6. ancilliary

Our team has more than 20 years experience in extruder industry. We always focus on innovation during the development and we supply best quality products to customers of both China domestic and overseas.

We follow "win-win" model to support our overseas customers in Taiwan, Viet Nam, Malaysia, Indonesia, Singapore, India, Russia, Turkey, Latvia, French, South Africa, Canada, Mexico, and Brasil etc.

Pre-sales service:

1.Introducing in detail features and application of the products to customer

2.Selecting economical and practical machine & equipment for customer

3.Providing operation data of the related machine & equipment

4.Providing means of trial performance for customer


Sales service:

1.Recommending engineering conditions required for installation of the machine & equipment

2.Communicating in time the manufacturing progress of the machine with user

3.Providing assistance in technical conditions, screw combination and barrel disposition needed for product


After-service:

1.Providing on the spot technical assistance in installation, commissioning and training

2.Filing in detail customer's information

3.Providing long-term maintenance service and spare parts

4.Giving technical support to customer for developing new product

5.Providing free maintenance for a year

Packing:

The whole machine line can be divided into 4-8 wooden boxes. After applying the rust preventive oil, it is placed in a packaging film or a bubble film. Finally, Putting the machine in a wooden box and fix it with steel wire or nails.

Delivery:

10-30 days after confirming order,detail delivery date should be decided according to production season and order quantity.

1. Q: Are you a factory or trading company,How is you factory extrusion experience?

A: We are a factory. 7 years experience on extrusion.Leading supplier in Nanjing city.

2.Q: How long is your machine's guarantee time?

A: 1 year, Main parts is made of high tool steel by special quenching treatment, with high corrosion resistance and wear resistance.

3. Q:What can you provide for after sale service?

A: We provide on the spot technical assistance in installation, commissioning and training if you need.

4. Q:If we have very special request for the production line,could you help me to do the design?

A:We provide experienced mechanical designer customized-design.

5. Q: If we have samples of new products, can you help to analysis and design the machine?

A:Yes, our technical department can help you analyze, design and test the new products you offer.