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INTER-CHINA POLYURETHANE MACHINERY CO., LTD.
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EA series 3-component elastomer casting machine, dosing machine, mixing machine

EA series 3-component elastomer casting machine, dosing machine, mixing machine

Place of Origin : CHINA
Brand Name : INTER-CHINA
Certification : ISO9001,SGS
Model Number : JHG-EA-03
Machine system : Pouring,dosing,mixing and casting
Typical Material system : TDI+MOCA/MDI+MOCA/Prepolymer + MOCA/E-300
Applications : Pu rods, pu sheets,pu rollers, pu parts for industry and so on
MOQ : 1 SET
Price : Negotiated
Packaging Details : Export standard packing
Delivery Time : Normal 45 days
Payment Terms : TT/LC,negotiated
Supply Ability : 30 SETS/MONTH
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Detailed Product Description

EA series 3-component elastomer casting machine, dosing machine, mixing machine

1. Summary:

Our pu casting injeciton machine is that our company follows the international advanced technological products, imports the main machine parts from foreign countries and famous brands. Hence, technical and safety performance of the equipment has reached the advanced level of the same product of the same period abroad.

This machine is used for producing casting polyurethane elastomer product which use MOCA and other material as chain extender, such as gluing roller, pad, rollers for elevator use and highly rigid products and can compose pre- polymer and vacuum defoaming in this machine.

Different PU rubbers can be switched instantaneously to produce CPU of different materials.


2. Main parameters and descriptions for the equipment

2.1 Type: PU CASTING MACHINE WITH MULTI-COMPONENT (Type: 3+X )

2.2 Suitable foaming system: Pu elastomer products


2.3 . Viscocity(cps):

A: (POLYOL or pre-polymer):~4000mpa.s(45℃-100℃)

B: (MDI/MDQ or pre-polymer): ~4000mpa.s(45℃-100℃)

C: (For Alcohol type chain extendor ):~500 mpa.s (45℃)

C: (For MOCA):10~1000mPa.s(~130℃)

S: (For pigment) :50 ~ 800 mpa.s (Normally temp)

S2: (For additive agent)


2.4 Pouring output: 2-10 kg/min (100:14)

Mixing ratio range adjustable: 100:6~100:20


2.5 Pouring program time: 0.5~99.99sec (Precision reaches to 0.01s)

2.6 Quantity of Injection programs

Manual injection: 99

Automatic injection: 99


2.7 Metering unit:

The metering unit is equipped for component’s high precision metering, including frame, frequency convertor gear reducer, metering pump, rational velocity transducer, magnetic coupling, rotational velocity transducer, electrical pressure transducer for each component side.

Measurement accuracy≤0.5%

Component materialAB
Quantity11
Metering pump typeK40(40cc)GM601D (6cc/rev)
Power of motor(KW)2.20.75
Speed of motor(RPM)20-24020-240
Pump-shaft sealing lubricationDOPDOP

2.8 Working pressure limit and control system

Both pre-polymer and MOCA components working pressure are allowed in a range of 0~4Mpa. Whenever the working pressure exceeds the range, the pouring operation will be stopped automaticlly and an alarm message of "working pressure abnormality" will be displayed on control panel at the same time. The limit pressure of the metering pump of pre- polymer component is preset as 0.25Mpa and 0.15 Mpa for MOCA component.


2.9 Components flow output control and testing units According to pumps’ delivery rate and the components’ mixture ratio technological requirements. In pours in the procedure separately to establish two components the related parameters; The two metering units are drived by two independent motors, and the flow out is adjustable while change the motor rorating speed; The coordinate of material injection valves for each component separately carry on the detecting and revising to two components parameters of flow out and the mixing ratio, so as to adjust and control the flow out of each component.


2.10 Component Fiter

Two components are equiped with meshy filter separately, and the filters’ precision reaches 330¦Ìm for compnent A and 200¦Ìm for component B. It is requested to clean the filter on time and we recommend to replace the filter regularly so as to ensure the high precision.


2.11 Mixing head

Mixing head One set

The material sprays into the mixing cavity through the needle shaped valve with special cleaning device; meanwhile sparys out accurately, synchronously, without any clogging.

----Mixing head mechanical mixing is driven by the motor.

----The opening and closing of valve is controlled by the cylinder.

----The build-in throttle valve can adjust and control the pressure balance of each component;

----The advance and lag time is through electrical control, modes of auto-agitation and maual-agitation for options;

----With electrical heating and temperature control system, control precision reaches±1.5℃;

----Special main spindle sealing device, the initiative of domestic field;

----A operate box including: pouring button, cleaning button, blowing button and emergency button.


2.12 Handing arm

For hanging mixing head and the pouring button panel as well as the hoses and cables connection to mixing head.

---- One spring balance device so as to ensure the freely up and down moving of the mixing head.

-----Orizontal rotary angle range: 120℃;


2.14 Mixing head cleaning system

Mixing head cleaning system including: 20L stainless steel tank, hydraulic meter, safety valve, supercharging device and related meters assembly.

---- Compressed air is used to blow out the remains in the mixing head and blow the solvent dry.

---- Blowing and hydraulic cleaning are controlled by the magnetic valve;

---- Time of blowing and hydraulic cleaning is controlled through PLC and setted though OP operation panel.

---- Time of blowing and hydraulic cleaning can be also though mannal control.

---- Exhaust way: Manual type.

---- Blowing and hydraulic cleaning pipe line consists of high-pressure and solvent resistance tubes.

---- Flush pressure is setted as 0.15Mpa;

---- Mixer shaft simultaneously rotates when cleaning;

---- With UPS interface, can realize the cleaning operation when power off (UPS customer self-provided).

---- Mark as MC on the tank;


2.14 Pre-polymer tank: 1

---- Effective volume: 220 liters;

---- Material: Intermediate layer type, stainless steel SUS304;

---- Working pressure max : 0.45 Mpa;

---- 1 jacket safety valve, working pressure is setted as 0. 30MPa;

----1 safety valve, working pressure is setted as 0. 40MPa;

---- A pressure reducing valve with manometer, setting value of working pressure ranges from 0.05~0.40Mpa, which is also to control the max input pressure of the compressed air of the material tank.

---- Temperature probe: PT100;

---- Mechanical sealing agitator: power 1.1KW, rotational speed 46rpm; The tightness can sufficient to meet the demand if the foaming technology.

---- Build-in lighting deveice , enable to observe the inside of the tank from outside.

---- Outside with insulating layer;


2.15 MOCA tank: 1

---- Effective volume: 60 liters;

---- Material: Intermediate layer type, stainless steel SUS304;

---- Working pressure max : 0.45 Mpa;

----1 jacket safety valve, working pressure is setted as 0. 30MPa;

----1 safety valve, working pressure is setted as 0. 40MPa;

---- A pressure reducing valve with manometer, working pressure is setted as 0.05~0.40Mpa, which is also able to control the max pressure of the compressed air of the material tank.

----Temperature probe: PT100;

----Mechanical sealing agitator: power0.37KW, rotational speed 46rpm; The tightness can sufficient to meet the demand of foaming technology.

---- Build-in lighting deveice , enable to observe the inside of the tank from outside.

---- Outside with insulating layer;


2.16 Temperature control unit 2 sets

---- A/B/C component with separate temperature controller, so as to set different requested temperature.

----The pipes adopt stainless steel soft tube, then the heating oil can circularly move outside, which can enable the compelte heating for all the raw material in the tank.


2.17 Vacuum deaeration system

---- Equip with vacuum pump: 15L;

---- Vacuum pipe line consists of Poly(amic acid)s/Amquinate soft tubes.

---- Equip with vacuum meter, single-way valve,discharge valve,buffer tank.


2.18 Auxiliary Metering and injection system: 1 set

for color,foaming agent and additive agent and so on;

---- Pump:Gear Pump;

---- Metering accuracy: 0.3%.

---- Flow range: 0.006-0.06L/min;

---- Metering accuracy: 0.3%.

---- Pressure control: Pressure transducer.

---- Tank capacity: 0.6L/2L;

---- Motor: Electric managed by an inverter.


2.19 Electrical control system

The electrical control system of the machine is equiped with Delta Company’s series PLC and input/output moudlars as well as operation screen panel to ensure tje raliablity and safety performance.

Functioning description:

---- Manual function, for test commissioning;

---- Automatic function, for normal operation;

---- Dry pouring function, for test pouring operation;

---- Parameters set function, on the panel directly

---- Protection function: with audio and visual alarm and malfunction message display on screen, as well as emgerency stop if necessary .


The electric cabinet including:

---- Delta PLC;

---- Delta convertor controller;

---- Omron Relays;

---- Schneider contactor;

---- Schneider Switches, buttons;

---- Outlet of Communication driver;

---- System of software and PLC program;


2.20 Piping system

Including all the separate components pipes and hydraulic pipes, to ensure the transporation of the raw material and hydraulic oil.

---- Components pipes: use the delivery the raw material, feeding pipes are fixed on the mixing head, feeding back pipes connect to raw material tanks.

---- Air-hydraulic pipes: use to delivery compressed air and cleaning solution, which consist of high pressure anti-solvent tubes.

---- The source of compressed air need through the treatment of oil-water separator and oil sprayer.


2.21 Others

---- Power supply: 3 X380V/50HZ;

---- Input power: 20KW (Appr);

---- Weight: 1500KGS (Appr);

---- Requirement of groud size : 1600*2000*2200CM;



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