Husky Injection Molding Systems Co., Ltd. (hereinafter referred to as "Husky") cooperated with SysTec to develop the Hylectric 120 system for in-mold labeling. Its production cycle for injection of food containers was only 2.3 seconds, setting a new standard in the industry. .
Husky introduced the Hylectric 120 system for in-mold labeling that can inject 200ml food containers. The system's production cycle is only 2.3s, representing a new standard for container injection molding technology.
The Hylectric 120 system using "SwingChute label" technology is the cooperation between Husky and SysTec, which has years of experience in in-mold labeling. Based on a Hylectric injection molding machine with a clamping force of 1200 kN, this system is the fastest in-mold labeling (IML) system in the world and has a rejection rate of less than 2%, enabling thin-wall packaging injection molding manufacturers to further reduce production. cost.
Use mechanical pendulum instead of robot
SwingChutes can reduce the die stop time to 0.03s or even lower. At the same time, the interlocking motion with the clamping can be achieved, which can effectively avoid mechanical action conflicts. Although the "SwingChutes" rotation angle of 180 °, but because of the role of gears and cams, it is still able to maintain the minimum clamping stroke. In addition, the use of servo motor control "SwingChutes" can also reduce the mold clamping stroke. Compared to the use of a side-feed robot, the "SwingChutes" do not need to enter the mold-opening position prior to entering the mold when the mold is clamped. This shortens the molding cycle by at least 0.5s.
The label is quickly and safely conveyed from the "SwingChutes" core to the mold cavity under vacuum conditions. Vacuum delivery is an effective method of delivery. There are no special requirements for the way the label is printed, ink, color, or surface treatment because the label will not carry any charge during transport. The movement of the vacuum core pin in the mold cavity allows the label to be conveyed more quickly, and it also prevents visible marks on the injection molded product as well as blocking of the ventilation caused by the coating on the surface of the label.
The design of the delivery system is angular, which is to meet the requirements of high cost performance and high space utilization. The angled label box is installed outside the machine safety door on the operation side, making it easy to replenish the label. It allows two positions to be equipped with a rotary patch device so that quick label orientation can be completed before the label is conveyed to the mold core.
Product handling uses an independent "SwingChute". Its take-off arm maintains the directionality of the product and carries the product to the front of the stacker by natural crank motions. The horizontal stacking of the injection container is finally achieved by the compound angle movement of the stacker head.
Gathering years of experience in the packaging industry
Since the first single-cavity cup injection mold was produced in 1953, Husky began to enter the packaging industry. By 1962, Husky had been able to provide a complete injection molding system with up to 60 cycles per minute using an injection molding machine with a clamping force of 1000 kN.
Today, Husky has applied its extensive experience in the packaging industry to the design and manufacture of Hylectric high-performance packaging injection molding machines and mold components. The clamping force of the injection molding machine ranges from 1200 to 10000 kN. In automated production, it has a large drawbar spacing sufficient to accommodate Swing Chutes without the need for additional space to install an independent robot, thereby further reducing the manufacturing cost while increasing space efficiency.
Hylectric also has the speed of a toggle-locking device and the flexibility of a hydromechanical stacking device. The design of the Reflex formwork takes full account of the center force of the formwork, thus achieving the industry's smallest formwork deformation, while reducing die wear and making it more suitable for thin-wall product injection molding. Hylectric's reciprocating screws range from 18mm up to the largest secondary injection unit, offering instant injection speeds of 10,000cm3/s, and high plasticity injection molding rates of up to 600kg/h.
Hylectric's injection volume repeatability accuracy is within 0.5% and open mold position accuracy is ±0.25 mm. The PC-based Polaris controller allows precise control of injection molding, enabling perfect coordination between the labeling and the core needle valve and repeatable mold opening position for safe high-speed labeling and removal.
Source of information: pack.cn
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