1、 Function
1. Mold opening interface: precise control of mold opening and closing position
2. Storage interface: Back pressure proportional control
3. Injection interface: Injection 6-stage control
4. Quick setting interface: convenient and intuitive input
2、 Technical parameters:
1. Screw diameter: 32 mm
2. Screw aspect ratio: 22.5
3. Theoretical injection volume: 121 cm3
▲ 4. Injection weight (PS): 110 g
5. Injection rate: 69 g/s
▲ 6. Injection pressure: 219 MPa
7. Plasticization ability: 9.9 g/s
8. Screw speed: 0-205 rpm
9. Mold closing device
9.1 Locking force: 900 KN
9.2 Mold transfer stroke: 320 mm
▲ 9.3 Inter rod spacing: 360 × 360 mm
9.4 Large mold thickness: 380 mm
9.5 Small mold thickness: 150mm
9.6 Top out stroke: 100 mm
9.7 Top output: 33 KN
10. Electronic Control Unit
10.1 Spring nozzle
10.2 Accumulator assisted rapid injection
10.3 Multiple sets of blowing valves
10.4 Multiple core pulling devices
10.5 Template insulation board
10.6 Glass tube cooling flowmeter
10.7 Automatic feeding machine
11. Other
11.1 Oil pump pressure: 16 MPa
11.2 Oil pump motor: 11 KW
▲ 11.3 Electric heating power: 6.3 KW
11.4 Hopper capacity: 25 Kg
11.5 Fuel tank capacity: 220 L
11.6 adopts a 12 inch touch screen display, which is easy to operate and integrates 40 sets of hot runner control functions and 12 sets of valve gate sequence control
13. Twin screw extruder
Main Configuration Description
1. Parallel twin-screw extruder unit in the same direction
1.1 Length to diameter ratio:~40 (based on the total length of the cylinder), seven section cylinder
1.2 Screw diameter: 30.7 mm, groove depth: 4.7 mm
▲ 1.3 Screw high speed: 600 rpm
▲ 1.4 Total length of cylinder: 1200 mm
▲ 1.5 Number of cylinders: 7
1.6 Main motor: 11 KW, AC motor, speed approximately 1470 rpm, using Schneider AC frequency converter
1.7 Screw components and core shaft
(1) The screw element and the core shaft are connected by involute splines. The core material is 40CrNiMoA, which has undergone quenching and tempering heat treatment to improve its strength. The screw component is made of wear-resistant high-speed tool steel material, W6Mo5Cr4V2, which has undergone overall high-temperature quenching heat treatment to improve its wear resistance. The feeding section adopts deep spiral groove large lead screw components to facilitate material conveying in the feeding section; The cylinder is made of wear-resistant bimetallic material and lined with an α 101 hard alloy sleeve;
Cylinder arrangement: * The main feeder feeding port is installed on the cylinder body; The upper part of the third section of the cylinder is open and equipped with a natural exhaust port; The sixth section of the cylinder is equipped with a vacuum exhaust port, and the seventh section of the cylinder is extruded.
(2) The threaded component adopts a modular combination, including threaded conveying component, kneading component, shearing component, backmixing component, etc., which can be arranged according to specific material processes.
1.8 Main engine transmission box: (using high torque transmission box)
The deceleration and torque distribution parts of the main transmission box are integrated, adopting a parallel three-axis design with a compact structure. The gears and gear shafts are made of 20CrNi2MoA material, which has been quenched and tempered and subjected to carburizing heat treatment on the tooth surface to ensure the strength and service life of the gears and gear shafts. NSK and INA bearings are used for deceleration, torque distribution, and radial bearings on both output shafts.
(1) The lubrication system of the main engine transmission box includes: oil pump, filter, condenser, etc.
(2) Main engine transmission box parameters:
Reduction ratio: 2.5
Input power: 11 KW
▲ Input speed: 1500 rpm
Output torque: 2 × 104.5 NM
Output speed: 600 rpm
1.9 The heating of the cylinder body adopts the second and third sections using heaters, while the others use cast aluminum heaters; The cylinder cooling adopts soft water circulation cooling, which adopts an independent soft water circulation cooling system. The system mainly includes motors, water pumps, stainless steel water tanks, condensers, pressure gauges, stainless steel pipelines, needle valves, etc. The circulation cooling control solenoid valve adopts VMI products. The transmission box adopts an independent oil lubrication system, which mainly includes oil filters, oil pumps, coolers, pressure switches, pipelines, valves, etc.
The 1.10 cylinder is equipped with a stainless steel split cover, which is safe, beautiful, and energy-saving.
2. Twin screw metering feeder
2.1 Drive motor: 0.55 KW, using AC motor
2.2 Cross frequency speed regulation: Schneider frequency converter speed regulation
2.3 Gearbox speed ratio: 17
2.4 Feeding screw: meshing screw
2.5 The motor and feeding reducer adopt a direct connection type, with a horizontal mixer in the feeding body, ensuring smooth and uniform feeding without bridging.
3. Vacuum system
3.1 2BC-27 Water Ring Vacuum Pump
3.2 Drive motor: 0.81KW AC.
3.3 Large displacement: 27M ³/h
3.4 A set of vacuum chamber, vacuum gauge, vacuum pipeline, and water tank.
4. Manual quick opening network changing device
4.1 The filter screen is sandwiched between the machine head and the cylinder body
After loosening the bolt, the machine head can be quickly opened along the loose leaf for mesh replacement
5. Water cooled strip cutting system
5.1 Water cooled strip cutting machine head, cold strip mouth mold: Ø 4.0 mm × 3
5.2 Stainless steel sink: length 1500 mm, with one set of brackets (4 brackets).
5.3 New air dryer: 1.1 KW AC
5.4 Cantilever LQ-60 granulator, AC, power of 1.5 KW, with high-speed tool steel as the material for the moving blade
6. Electrical self-control system
6.1 3*380 V， Communicate at 50 Hz.
6.2 The AC contactor and motor switch are Siemens products.
6.3 Use a bus converter.
6.4 The control button is a Schneider product.
6.5 The main motor is an AC motor, 11 KW, AC motor, and the main speed control device is a Schneider AC frequency converter.
6.6 Omron intelligent temperature control instrument, which can track the material system through PID self-tuning system to achieve good control efficiency.
6.7 The main circuit breaker switch is a Fuji circuit breaker.
6.8 The solenoid valve adopts VMI solenoid valve.
▲ 6.9 Heating is controlled by a temperature controller through a solid-state relay, using high-temperature resistant wires that can withstand temperatures up to 800 ℃
6.10 Thermocouples use compensating wires to prevent signal loss during transmission.
6.11 Electrical control cabinet control includes: temperature control system; Drive system; Interlocking and control system.