If you are reading this, you may already know about the processing of plastic injection molding machines. However, in Plastic injection molding, there are many chances to make lots of errors. These problems range from small to large, which affects your product’s quality. If these kinds of mistakes are something you need to reduce, then read on to find out the common defects that could arise during the plastic injection molding process. Get to know how to what they are, and how you can head off them.
Here I have shared significant problems that may occur during the plastic injection molding process.
Flow Lines:
Flow lines are like marks or a kind of pattern that occurs on the output product. It generally happens due to the dynamic speed at which the plastic flows through the molding tool or a moderate injection speed that allows the plastic to fix at varying rates in different areas.
The most reliable solution is to withdraw these flow lines by improving plastic injection molding speed and increasing the nozzle diameter to improve flow speed.
Burn Marks:
A possible defect in injection molding is due to the high temperature at injection molding. Burn marks can be avoided by moderating the temperature. Such as decreasing the injection temperature, decreasing speed, and reducing the cycle time so that molds don’t have an opportunity to overheat.
Jetting:
In the beginning, if the molten plastic comes into contact with the mold walls, causing an increase in viscosity. As a result, it leaves behind scrape marks that make molten plastic not stick on the surface.
Weld Lines:
Weld lines are occurred due to if the molten material is cleaving off into many directions in the mold. It is the outcome of low material bonding, which reduces the total power of your molding part.
Such types of weld lines can be reduced by lowering the temperature or simply redesigning the mold to eliminate the partition.
Sink Marks:
A slight impression in the plastic surface appears on the plastic part because the inner part of the mold material has shrunk.
An efficient way to reduced by improving your holding pressure and cooling time and using a mold with thinner component walls.
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It ordinarily goes through injection molding in different structures, yet the most famous procedure constrains a plastic fluid into a metal mold.mold manufacturer in China
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As the demand for plastic production is rapidly growing and today, every industry needs Machines to makes the process easier.
The most common question for those manufacturers like you is, “How much will be the plastic injection molding cost?” Answering your question, here are four essential ways to reduce your Injection molding production cost.
Improves efficiency through Automation:As you already know, injection molding comprises many steps such as plastic material Loading, Plastic material drying, product picking, mold processing, part stacking, and finishing, etc.
With the use of technology and automation in many areas of production help to make the labor force more efficient and reduce the production timing.
Here part picking, Loading material, and part stacking are some of the work you can automate for fast production.Also, process control technology and alarm facilities in automation will let you control and manage the overall process, improving efficiency.
If you automate your process, it helps you to remove the inconsistency, increase efficiencies, improve quality and productivity.Use good quality Resin:Resin is cheaper with more variation in properties, but it is pretty difficult to maintain the dimensions with the tolerance part; this will enhance variability, but if we use decoupled molding techniques along with in-mold sensors, this can be a successful venture.I think you would have crossed this scenario in your experience – Assume that you are running an excellent production rate for a day in injection molding, then all of a sudden, you begin to see some flash on some part of a machine.If you try to fix that with a technician’s help, he will reduce the filling speed.
