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| BrandTEKWELL&Grantway | Valid untillong term effective | Latest update2017-02-21 10:47 |
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K780S
- Box type platen structure designed through finite element analysis ensures even stress, less deformation, high precision mold clamping & good rigidty.
- Optimized tie bar design makes sure stable and speedy movement with less impact.
- Lengthened distance between tie bar, mold thickness and opening stroke for bigger mold.
- Optimized Lubrication system ensures precise mold clamping and prolonged life time of mold clamping components.
- Speedy differential clamping function meet the requirement of special movement.
- Multi-ejector pin mode.
- Clamping, injection and ejection position controlled by high precision electronic linear
2. Injection unit
- Twin carriage cylinders ensures even stress and improved injection precision. (Standard feature for K90VT~ K200VT, optional feature for above K260VT)
- fast response injection and sealing construction
- Movable slide guide-way for hopper, more convenient for material change.
- Both PID and Percentage control are available for nozzle temperature control
- 5 stage injection, 3 stage hold pressure, 3 stage melting control to meet the requirement of different products.
- accurate temperature control for material ensures production quality.
3. Power system
- Japanese Sumitomo gear pump, high efficiency, low noise, easy maintenance.
- Servo system package from famous, manufacturers with unit parameter and standard.
- Closed-loop control for pressure and speed, the RPM and the torque can be real-time adjusted, resulting in excellent repeatability.
- Ultra high energy saving. The energy consumption reaches China 1 st grade energy consumption standard of injection molding machine.
- High performance redundant power saving design. The power of motor is up to 10% higher than counterpart in the industry, avoiding motor over-heating or auto stop due to insufficiency of power.
4. Computer controller
- Taiwan Mirle computer controller
- Specially developed for injection molding machine
- X86 300MHZ main board/8
- Adoption RISC 140MHZ dual core mirco processor ensures high processing speed
- SPC quality control/ Superior & inferior product identification and statistical system.
- Adoption Ethernet network ensuring speedy connection.
- USB interface/SPC data transfer function.
- Choice of metric and imperial unit system.
- Record of alarm history and parameter function.
- Auto-adjustment PID temperature control and temperature curve display function
- Preheating and heat guard function
- Auto purge function
- screw cold start prevention
- Auto adjustment for clamping force and position
- Both data and curve display of cushion
- Multi core puller function
- Robot interface
- Input/output interchange function
- Locking of software data
- Precise linear adjust function of flow and pressure
5. Specification
| DEscriptION | UNIT | K780S | ||
| A | B | C | ||
| Shot volume | cm3 | 3181 | 3927 | 4329 |
| Shot weight(PS) | g/Oz(盎司) | 2987/105.5 | 3687/130.3 | 4065/143.6 |
| Screw diameter | mm | 90 | 100 | 105 |
| Injection pressure | MPa | 180 | 146 | 132 |
| Screw I/D ratio | 24:1 | 22:1 | 20:1 | |
| Screw stroke | mm | 500 | ||
| Screw speed(stepless) | r/min | 0-120 | ||
| Clamping force | kN | 7800 | ||
| Opening stroke | mm | 1025 | ||
| Platen size | mm×mm | 1340×1310 | ||
| Space between tie bars | mm×mm | 970×970 | ||
| Max.daylight | mm | 2000 | ||
| Mold thickness(min-max) | mm | 380-975 | ||
| Hydraulic ejection stroke | mm | 300 | ||
| Hydraulic ejection force | kN | 275 | ||
| Ejector pin | 5+8+4 | |||
| Hydraulic system pressure | MPa | 17.5 | ||
| Pump motor | kW | 30X2 | ||
| Heating capacity | kW | 40.6 | ||
| Number of temp control zones | 7 | |||
| Oil tank capacity | L | 1283 | ||
| Machine dimensions | m×m×m | 10.5×2.4×2.6 | ||
| Machine weight | kg | 45000 | ||
