- March 13, 2020
- Posted by: Plastic Injection Molding
- Category: plastic injection molding
What is Plastic injection molding?
Plastic injection molding is a very innovative process that has created many useful products that we use every day in our homes. While the history of plastic molding is full of creativity and innovation, the future is full of possibilities, something that the Chinese plastic injection molding Company are aware of, allowing them to grow even more as more creative minds add new forms to improve the process and injection molding machines.
While improvements in plastic injection machinery continue, the future of injection molding is now turning its attention to molds and mold components. High-tech plastic molds can be made of metal, epoxy or carbon fiber and can increase production through cooling times and faster cycles.
The invention of 3D printing gives us an idea of how far plastic injection molding can travel to the future. 3D printing is a process of creating a solid three-dimensional object of virtually any shape from a digital model. With the integration of 3D printing into the plastic injection molding process, concepts and samples can be produced with much less expense. This is currently taken into account by several china plastic injection molding manufacturers.
Some innovative minds have even been working with corn seed producers to replace
traditional petroleum-based plastic in corn-starch-based plastic. Biodegradable material is currently used on a limited scale and there are many uses that this material could soon have that would surprise the mind.
All it would take would be the mold and the material to produce a new wave of the future for plastics engineering. Scientists are still investigating other polymers in the way they did when plastic injection molding began and their research is incredible at this time with many possibilities to come.
How to find a good mold maker in China?
There are lots of different standard mold makers in China. The most important and difficult thing is to choose the right mold maker for a company at the beginning. Sometimes it takes a long time. Although it’s kind of easy to find a well-known mold shop in UK, Germany, US and Japan, but to find a good mold maker in China with reasonable price is really not as difficult as you think was. You should know something about the Chinese mold market, where are for low prices where are for low quality… 1st of everything you’d better to know what do you really want from the mold maker with your prices. To attend mold trial is kind of a right thing, a suggestion you may also follow is requesting sampling video for each trial to save your time and traveling cost. Of course there are some exceptional for some very complicated and super big molds, in the other meaning for some very expensive molds.
The important thing is you need to select the proper mold maker in China and review terms and conditions in your quote as well as warranty clauses. Mold quality is improving these days but you still need to supervise the mold design and qualification of your tool to make sure you received what you paid for.
One of our customers took the designs from a complicated mold that designed by their local mold designer and ask us to build for them due to the expensive cost in local mold manufacturing. They contracted with Wing Tat mold makers to build another mold based on the design. The mold has been running for 14 years without any trouble.
It takes times to find good suppliers and build the partnership, not only in China, but all over the world. The expectation and understanding would be very important for the success, the companies should try to build partnership with their suppliers if they got the best one, that would be very helpful for your mold supplier understood your requirements and expectations.
Requests can vary greatly, especially if they are orders that need to be fully customized, that is, they require specific instructions to be able to execute successfully. In this way, customers and users of these mold companies can take their ideas far beyond what they expected because they no longer feel limited in their structure. This is how we gradually see how the market in various fields can grow without stopping.
Finally, what is this procedure?
Plastic injection molding, by definition, is the process of injecting plastic into a mold, then the plastic cools, and that is when it is ejected from the mold and the finished product is packaged for sale to the customer. This sounds simple and in its basic form is, but the process involved in making all this happen is really quite complicated. The plastic can be injected into the mold at low pressure, but it is usually made under high pressure at a cavity pressure of more than 30,000 PSI.
There are many different types of injection molding and many different types of plastic injection molding machines. Some of the types most used by the different China plastic injection molding supplier are standard mold injection, insert molding, plastic extrusion, blow molding, multicolored or material molding, stacking molding and molding rotating, to name just a few.
There are also custom plastics, from the most common plastic resins to the most exotic engineering grade resins used today in most cars. There are even quality “metals” for injection molding that are being experimented with these days.
There are many types of injection molding machines, all made for specific purposes. There are standard horizontal injection molding machines that vary in size from a few tons to 9000 tons and more. You could drive a car between the plates of such a large press.