Product Specification

Payment Terms	T/T, L/C	Application	White master batch
Output	Around 250 kg/h, depending on the rate of melt flow, density of material, formulation and production technology	Twin screw host screw diameter	62.3mm
Ratio	L/D=44:1	Voltage	220V/410V/230V/405V/380V/415V/440V/Customized
Plastic Processed	PE, PP, ABS, PA, PET, PC, HDPE, ABS/PP, HDPE/PP, PE/PP, Lldpe	Port	Shanghai,China
Supply Ability	15 Set/Sets per Month	Lead time (days)	35-40
Packing	plastic film package/wooden	Brand Name	Yanwei
Model Number	SHJ-65B	Place of Origin	China
High Light	Auto Twin Screw Extruder ，Side Feed Twin Screw Extruder ，Side Feed PVC Twin Screw Extruder

PP PLC 36 twin screw extruder machine  twin screw extruder for pelletised side feed Manufacturer

SHJ-65B/600-44-90-4P twin screw extruder

Twin screw host screw diameter: Ф62.3mm:

Ratio: L/D=44:1

Main machine screw speed: 50～600r/min;

Twin screw torque grade: T/A3=6.8N.m/cm3;

Screw outer diameter/inner diameter ratio: DO/Di=1.55;

Main motor power: 90kw (AC);

Total weight of the unit: ~4.5 tons;

Feeding system: (spherical)

Twin-screw main feeder, 1 set : (single-head non-meshing screw)

Feeding metering: volumetric metering

Feeding main motor :

Speed ratio:i=17

Power: 1.5kw, Songri inverter.

Feeder gearbox:Nanjing Yanwei

Radio:i=1.5.

Feeding screw

Material: High quality carbon steel.

Strictly control the curve during processing to ensure the consistency of the spiral grooves, and the surface of the screw is polished to achieve a mirror surface.

Make sure that the material does not stick to the screw, and improve the uniformity of blanking.

Screw speed: 5～132rpm.

Feeding screw barrel:

Spiral barrel opening receiving box: connected with hopper with horizontal stirring

Hopper: 120L

Hopper material: stainless steel.

AC main motor (AC motor in Anhui Wannan)

Rated power: 90kw;

Japan Songri inverter frequency control;

The technical performance meets the requirements of the International Electrotechnical Commission IEC34-1 standard and the national standard GB755; the corresponding use conditions are

--Altitude: ≤1000m;

--Ambient air temperature is not more than 40 ℃

-- The working environment should not have acid, alkali or other gases that are corrosive to insulation;

--The motor is continuous duty (S1)

 

Safety Coupling:

The coupling between the output shaft of the main motor and the input shaft of the gearbox adopts a safety coupling, which has the safety function of overload protection. When the load exceeds the set torque, it is overload protection.

 

 

Gearbox

Torque rating: T/A3= 6.8N.m/cm3

Screw speed: n=600rpm

Gear: Large-module meshing, 6-grade precision, gear shaft material 20CrNi2MoA, HRC58-65B.

Bearings: Needle roller bearings choose international professional German "INA" bearings, and other bearings choose imported Japanese "NSK" bearings.

Lubrication system:

The gear bearings are oil immersed in the transmission case.

Gear meshing and bearing points are equipped with shunt oil pressure lubrication.

Lubrication cooling adopts external stainless steel plate cooler, heat exchange area: 0.5 square meters.

Lubricating oil pump: Model VP0.55KW.

Lubricating oil model 150# gear oil.

This unit is equipped with gear oil

 

 

Barrel

The main cylinder is designed using the building block principle, and each unit cylinder section has the same length and interface form, so that the cylinder has a variety of combinations and good interchangeability; all cylinder connections are reinforced design, which can meet the requirements of high back pressure;

The length-diameter ratio of each section of the standard unit cylinder is: L/D=44:1;

Each cylinder unit is equipped with an external electric heater (except the feeding cylinder), and there is a water cooling circulation channel inside, which can realize independent heating and cooling of each cylinder unit

The first barrel is the feeding degassing

The 6 barrel is the vacuum degassing

The 10 barrel is the vacuum degassing

The 11 barrel is to extrude

The rest barrels are closed cylinders

Temperature control meter, Japan Omron all-digital dual-channel intelligent high-precision meter;

There are 11 barrels in this project, including 1 main feeding port, 1 vacuum port, and the rest are closed cylinders;

The barrel of this project is made of high-quality 45# steel as the outer shell, and a-101 alloy bushing is inserted inside, so that the water channel holes in the barrel are not rusted, which prolongs the service life of the barrel water channel blockage;

All cylinders are produced by domestic first-class CNC machining centers, with high manufacturing precision, ensuring stable operation of equipment, small abnormal wear, and strong interchangeability, so as to improve product quality and reduce unit energy consumption of products.

The cylinder is equipped with a stainless steel overall protective cover, which has the functions of heat insulation and safety protection;

Screw shaft

The two screws rotate in parallel and in the same direction, meshing with each other, with good self-cleaning performance and narrow material residence time distribution; the screw is designed based on the principle of combined building blocks, and has conventional and special screw elements with different functions. To meet the needs of many complex processes; Yanwei has rich experience and outstanding technical advantages in the development and design of screw configuration according to the ever-changing material process requirements of different customers; the screw configuration of this machine is based on the above-mentioned material process requirements and output. optimized design;

 

The screw components are designed and manufactured with self-developed software;

The screw element and the mandrel are connected by involute splines, with high bearing capacity and convenient disassembly and assembly;

The material of the screw mandrel is 40CrNiMoA forging;

The screw element is made of high-quality W6Mo5CR4V2 high-speed tool steel, vacuum quenched, surface polished, and has strong wear resistance;

The thread components are formed by special CNC thread grinding, and the meshing components are all made by CNC machining center. The three-dimensional meshing curve has high precision and high interchangeability, which fully guarantees the accuracy requirements of the design;

The screw element structure has the following characteristics:

Conveying elements: Conveying elements with different leads and different rotations have different conveying, compression, residence time and pressure building effects on the material;

Meshing elements: meshing elements with different angles, different thicknesses and different numbers of sheets provide different effects of shearing, mixing and staying for materials;

Machining roughness of screw elements Ra≤1.6μm;

Host electric heating

Host heating: The barrel is all made of cast copper and cast aluminum heaters, with a total power of 35kw;

Host soft water cooling system

This unit includes a water cooling pipeline system installed on the fuselage and an external circulating cooling water tank; according to the needs of the temperature control of the cylinder, the circulating cooling water automatically controls the cooling and cooling of the over-temperature cylinder;

The circulating water pipeline system includes:

- Stainless steel inlet and outlet water mains;

- Water cooling branch pipes for inlet and outlet of each cylinder;

- Manual flow control valve;

- Self-control Italian CEME solenoid valve.

Technical data

Internal circulating water	Boiler soft water (deionized water) is recommended
The maximum temperature of the inlet water of the inner circulation cylinder	65℃
The maximum temperature of the return water of the inner circulation cylinder	100℃
External circulating water	ordinary cooling water
External circulating cooling water temperature	≤30℃
30℃ cooling water consumption	≤4-10m3/h
Pump motor power	0.55KW
Tank volume	60 L
cooler	SL-415*1 set

 

Vacuum exhaust:

Barrel vacuum position: Section 10 barrel.

Water ring vacuum pump:

The power is 2.2Kw, 380V/50Hz.

Model SK-0.8A.

Vacuum degree -0.07～-0.09Mpa.

Vacuum cylinder: volume: 30L.

 

Base

The base of SHJ65B twin-screw extruder adopts welded base, which can effectively prevent strength and shock absorption.

 

Water cooling strands pelletizing auxiliary system

Degradable material dedicated flat strip pelletizer head.

Temperature control with water jacket

Material: 38CrMoALA, nitrided, hardness is HV950-1050, brittleness grade II.

Heater: Cast copper heater

Die: 15 holes-φ3.0mm

 

Stainless steel water trough

Size: Length 5000mm

Material: Stainless steel.

Strip guide wheel: bracket stainless steel material, guide wheel nylon.

Circulating water pipeline; water inlet 1/, equipped with ball valve. The water outlet is 1.5/, equipped with a ball valve.

Sink bracket: 4# angle steel, the bracket is equipped with moving pulleys for easy movement.

 

Dryer:

Power: 2.2kw, 380V/50Hz.

Wind body: material stainless steel.

 

LQ-300 Pelletizer:

Model: Gantry 300

Motor power: 5.5 kw

Speed ​​regulation mode: frequency conversion speed regulation

Maximum output: 300KG/H

Moving knife material: carbide

 

300 vibrator:

The overall material is made of stainless steel, with three layers of screening

 

Storage Silo

Volume 1.5 cubic meters

Conveying fan. 1 set of 4KW high pressure fan, equipped with 1 piece of Venturi tee, the pipe diameter is 133mm

Chain Control:

The main engine motor is provided with current overload and electric control cabinet interlocking shutdown protection.

The host motor control system and the feeding motor control system are provided with interlocking protection.

The transmission case and the lubrication system are interlocked and protected.

Machine head pressure overload and electric control cabinet interlock shutdown protection.

The main motor is connected with the nylon pin of the transmission box to achieve the protection of the nylon pin that is cut off by the torque overload.

 

Main components and brands:

The control system adopts Songri inverter.

Temperature control meter: Japan "OMRON" all-digital dual-channel intelligent high-precision meter.

Various buttons, signal lights: Schneider brand.

Intermediate relay: Omron brand.

Motor switch, AC contactor, heating switch: Schneider brand.

Solenoid valve: Italian CEME brand.

Sensor: Xiaogan Heneng.

Main switch: Chint brand

Mould: 1 piece

 

Electrical Standard:

The standard is electrically manufactured according to the JB/5420-2001 "Co-rotating Twin Screw Plastic Extruder" of the Ministry of Machinery of China.

Compliant with CE standards.

 

Spare parts and tools, 1 set:

Screw assembly: 300mm (can be changed to customer-specified specifications)

Asbestos gloves: 1 pair.

Exhaust Chamber "O" Ring: 2 pcs.

Box inlet seals: 2 sets

The tool box : 1 set tools.

 

Random data,1 set:

Unit installation manual.

Electrical automatic control system manual.

The main engine screw combination diagram.

Crew delivery list.