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SJSZ Series Conical Twin-Screw Plastic Extruder

The SJSZ series twin-screw extruder is specially designed as supporting equipment for PVC powder extrusion production lines. Depending on the molds and auxiliary equipment used, it can produce various types of pipes, profiles, plates, sheets, door and window panels, and various granulated products.

Product Description

Under PLC operation control, the screw is cooled using an oil heating and cooling system, while the barrel is cooled using an air cooling system. According to customer requirements, suitable screws are provided to ensure the material achieves a good plasticizing state and quality assurance. The screw, controlled by a high-precision digital machine tool center, combines well with extrusion performance. By first introducing advanced production technology with screws of different strengths and depths, the material undergoes uniform trimming and cutting. The distribution box features a specially designed structure and fully imported thrust bearings, extending the drive's life and withstanding higher extrusion pressures.The electrical system mainly uses imported components, with a variety of alarm systems to facilitate troubleshooting.The cooling system is specially designed to expand the heat dissipation area, accelerate cooling, and maintain temperature control tolerance within ±1℃ .

The SJSZ series conical twin-screw extruder, when equipped with corresponding molds and auxiliary machines, can directly extrude various thermoplastics, especially rigid PVC powder, into pipes, plates, sheets, films, and profiles. It can also modify various plastics and complete the granulation process of powders. This machine uses an AC motor with controllable stepless speed regulation, overload protection, fault alarm, oil circulation constant temperature for the screw core, oil cooling for the barrel, and is equipped with a vacuum exhaust device and a quantitative feeding device.

Main technique parameters

Model	SJSZ-51	SJSZ-65	SJSZ-80	SJSZ-92	SJSZ-105
Screw DIA(mm)	51/105	65/132	80/156	92/188	105/216
Qty of Screw	2	2	2	2	2
Screw Direction	Opposite and Outer
Screw Speed(rpm)	1-32	1-34.7	1-36.9	1-32.9	1-32
Screw Length(mm)	1070	1440	1800	2500	3330
Structure	Conical Mesh
Main Motor Power(kW)	22	37	55	110	185
Total Power(kW)	38	58	90	140	255
Output(max: kg/h)	135	250	450	800	1450
Qty of Barrel Heating Zone	4	4	5	5	6
Feeder	Screw Dosing
Center Height of Machine(mm)	1000	1000	1000	1100	1300

SJSZ Series Conical Twin-Screw Plastic Extruder factory

SJSZ Series Conical Twin-Screw Plastic Extruder supplier

SJSZ Series Conical Twin-Screw Plastic Extruder details

Are you a factory or a trading company?

As established in 1998, we are a national high-tech factory specializing in plastic industry.
Do you have any certifications?

Yes, the poducts quality is controlled under the ISO9001-2015 quality management system and CE European certification. The enterprise has received numerous national and provincial certifications and has established graduate cooperation stations with universities.
What's your guarantee or the warranty of the quality if we buy your machines?

Our products come with a one-year warranty and lifetime technical support.
What is your terms of payment and when will I get my machine after I paid?

30% TT down Payment，70% TT before Shipment. The delivery time depends on the product type. For production lines, the delivery period is generally 60–90 days, while for other standalone machines, it is 30–45 days.
What is your installation and commission service?

We will dispatch 1 engineer from the seller to the buyer's factory for installation, commissioning and training, the buyer should be responsible for the cost of two-way flight tickets, the room and board and local area transportation, and allowance USD 80/day for the engineer. The customer has to supply skilled workers (mechanical fitters as well as electricians) in a sufficient number.

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