Description of Full-automatic Injection molding machine for PET Preforms and caps:
1. Clamping Unit
Five points double toggle and novel negative rear angle clamping unit, finite-element analysis for platen design and modular structure to guarantee rigidity of clamp as well as prolonged operation life
Large opening stroke, mould capacity and tie-bar distance to accommodate large mould
Adjustable moving platen supporting unit suitable for heavy mould
Programmable control with multiple mould speed & pressure
High sensitive, low pressure for mould protection device and mould closing alarm
Precision gear system used for mould height adjustment and automatic mould adjustment according to preset clamping pressure
Electrical and mechanical safety interlock
Automatic centralized lubrication system composed of high-quality lubrication compoments, with oil-out alarm
Ejecting delay timer, multi-stroke and multi-vibrating stroke ejector
2. Injection System
Twin-hydraulkic cylinder ensures fast and stable injection
Large L/D ratio 20/1 of injection screw for better plasticizing performance specially designed nitrided steel and barrel guarantee long service life
Injection protective cover for the safety of operator
Built-in computer-monitored injection system ensures accurate plasticizing
Two stage plasticizing with speed, pressure and position contral
Programmable auto-purge control for quick color change pattern
Mater in hopper empty alarm
Programmable decompression
Adjustable back pressure control(zero back pressure available from TRX400)
Built-in precise barrel temperature control
Low temperature protective device for screw
Nozzle head centering device
Screw speed display
Back pressure meter
3. Hydraulic system
Dual proportion load induction circuit to get steady operation, energy consumption variable with load, energy saving
Hydro-motor, pump, valve, oil seal and high pressure hoses from prestigious maker to ensure quality
4. Control system
Micro-Processor Controller System
Storage of mould data of time, pressure, speed and stroke
High resolution LCD for easy operation
Electric parts from famous malers are used to ensure reliability
Linear transducers used for injection, clamping and ejection
Fuzzy temperature control
Model name | Brand and origin |
PLC | MITSUBISHI(Japan) |
Blowing valve | PARKER(Switzerland) |
Acting valve | YSC(Korea) |
Stretch cylinder | MOHE(Joint, Japan) |
Silencer | SMC(Japan)/ Taiwan |
Photoelectrical switch | Korea/Japan |
Fan | Germany/Japan |
Pressure gauge | AIRTAC(Taiwan) |
Rotation cylinder | FESTO |