Main advantages of HTW/UPVC injection molding machine:
(1) Air cooling fans on barrel, for fast reaction time and precise temperature control
(2) New special screw geometry optimized for UPVC, achieving stabilized plasticising and excellent production
(3) Wider moving safety doors at back and front, to accommodate bulky core pulling cylinders
(4) Machine equipped with core pulling controls
(5) Automatic oil lubrication pump
(6) Equipped with automatic mould height adjustment system
2. TECHNICAL PARAMETERS
SPECIFICATION
HTW500PVC
A
B
C
INJECTION UNIT
Screw diameter
mm
75
80
85
Screw L/D ratio
L/D
23
21
20
Shot volume(theoretical)
cm3
1900
2161
2440
Injiection weight(ps)
g
1729
1967
2220
Injection rate
g/s
386
442
499
Injection pressure
Mpa
191
168
148
Screw pressure
rpm
130
CLAMPING UNIT
Clamping force
kN
5000
Open stroke
mm
770
Space between tie bars(W×H)
mm
820×800
Max.Mold height
mm
810
Min.Mold height
mm
330
Ejector stroke
mm
240
Ejector force
kN
150
OTHERS
Max.Pump pressure
MPa
16
Pump motor power
kW
55
Heating power
kW
31.4
Machine dimension(L×W×H)
m
8.4X1.92X2.76
Oiltank cubage
L
900
Machine weight
t
18.5
PLATEN DIMENSIONS
MOULD SPACE DIMENSOINS
3.Production description
CONTROL SYSTEM
All-digital control system uses dedicated controller, multiple CPU processing division, a multi-functional automatic fault detection, alarm system, certificates 99 mold of processing procedures, with remote control interface. System is of high stability and responsiveness. System uses color LCD, man made interface for easy operation and with a number of peripheral interfaces.
FEATURES
- A variety of text can be switched. - Manual, semi-automatic and fully automatic mode. - To provide EUROMAP robot interface. - Automatic movement monitoring with alarm and fault diagnosis. - Function of slope setting can set the start and stop of movements, so as ensure the smooth movement
HYDRAULIC SYSTEM
Advanced hydraulic system design, through proportional control of pressure, flow achieves rapid multi-level
pressure, speed switching, the system configuration is reasonable, stable and reliable. The noise is less
than 75 dB. The medium and large machine adopts a two way cartridge inserted valve system to improve
the system of flow and speed of response, and makes the whole machine reach the best performance.
CLAMPING SYSTEM
- Security doors fitted with hydraulic, mechanical and electrical interlocking triple safety device. When the safety door is open, the machine cannot clamp.
- Low pressure mold protection device to prevent damage to platen.
- Plywood, frame, the bridge, and the template attached structure, the finite element analysis.
- Hydraulic ejector, adjustable stroke, and top speed of ejector in and out, for multiple actions.
- Flexible tie bars nut eliminates fatigue fracture; assure the working life of tie bars
- Automatic adjustment. The replacement of different mold, the parameters set by clamping force to achieve the automatic adjustment.
- High-precision electronic detection device, multi-stage control of opening stoke, speed and location, location accuracy.
INJECTION SYSTEM
2005, diversified screw optimal design municipal science and technology research projects focus on key issues is completed, and is now designed professionally and
production for a whole variety of raw material. the diversity of the screw is for your option.
FEATURES
- There are three or four screws and barrels with optimal design, respectively, nitride, hard plating, dual-metal, which is suitable for different processes of a variety of plastics. and the choice of product.
- Two-guided guided bar supports, double-balanced rapid injection.
- The high-torque hydraulic motors offer a stable plasticizing capacity, highprecision electronic device position detection enable accurate measurement.
- Multi-injection speed and pressure and multi-level holding pressure settings, switch from the injection time, location, pressure control to ensure the quality of molding.
- Multi-level back-pressure of pre-plastic and pre-speed are computer-controlled, anti- drooling and automated auto purge.
- Expected to prevent cold-start function to ensure that the screw, Liao Tong will not be harmed. Stability of the injection unit.
