Plastic Injection Molding: Past, Present, and Future
Plastic injection molding process involves the use of plastic, or polymer. The granular polymer is fed into a heated barrel. It is also further melted and mixed in the barrel by the rotation process of a screw type plunger, as heat is generated by the friction between polymer granules when the bolt is rotating.
The melted plastic is then forced into a mold cavity with the required final shape through a nozzle by the bolt rotation action. The mold is comparatively cold which may have cooling channels run through it.
This causes the molten polymer solidifies almost as soon as the mold cavity is filled. The solidified part with the final required shape is then expelled out when the mold open again. It will be further cooled down by the ambient air.ProductPlastic product are widely used in electronic, automobile, machinery, equipment, telecommunication products etc. Around 80% of these products are made from injection molding process.
Plastic product can be produced in big quantity with relatively low cost, these are 2 of it’s main advantages compare to other process.
An industrial robot is a robot system used for manufacturing. Industrial robots are automated, programmable and capable of movement on two or more axes.
Typical applications of robots include welding, painting, assembly, pick and place for printed circuit boards, packaging and labeling, palletizing, product inspection, and testing; all accomplished with high endurance, speed, and precision. They can help in material handling and provide interfaces.
The most commonly used robot configurations for industrial automation, include articulated robots, SCARA robots and gantry robots.
Industrial robots are reshaping the manufacturing industry.
They are often used to perform duties that are dangerous or unsuitable for human workers. Ideal for situations that require high output and no errors, the industrial robot is becoming a common fixture in factories.
In both production and handling applications, a robot utilizes an end effector or end of arm tooling (EOAT) attachment to hold and manipulate either the tool performing the process, or the piece upon which a process is being performed.
They are capable of manipulating products as diverse as car doors to eggs, industrial robots are fast and powerful as well as dexterous and sensitive.
Applications include pick and place from conveyor line to packaging, and machine tending, where raw materials are fed by the robot into processing equipment such as with injection molding machines, CNC mills and lathes and presses.
Typically, most companies will justify an investment in automation based on the planned Labour saving, but this is often not the most significant benefit as often, large savings can be provided by improvements not envisaged at the start of the project.
Installing robots does, however, provide increased productivity from increased yield and reduced waste or rework, improved customer satisfaction by removal of mundane or dangerous operations, and improved energy use by increased utilisation of other machinery or factory space.