{"id":160,"date":"2022-07-14T23:05:33","date_gmt":"2022-07-14T15:05:33","guid":{"rendered":"https:\/\/acomold.com\/injection-molding-basics-advantages-and-disadvantages.html"},"modified":"2023-07-26T18:20:08","modified_gmt":"2023-07-26T10:20:08","slug":"injection-molding-basics","status":"publish","type":"post","link":"https:\/\/www.acomold.com\/injection-molding-basics.html","title":{"rendered":"Injection Molding Basics (Advantages and Disadvantages)"},"content":{"rendered":"

Injection molding is one of the most important processing methods to produce plastic parts. Plastic injection molding techniques have been used and developed for a long time. Look around you, the case of your laptop, the case of intelligent cell phone, water filters, food containers, wash machines and quite a few components in your car… yes, we are living in a world that are full with plastic parts, most of the common plastic parts are made by injection molding<\/a>. This article will show you the basics of plastic injection molding advantages<\/a> and disadvantages.
\n\"Plastic

\n\tPlastic Injection Molding Advantages<\/h2>\n

1) High efficiency<\/em>
\nPlastic injection molding is high efficiency production method, it takes very short time to supply custom plastic parts<\/a> to the market, the injection molded parts come out of the mold by every few seconds, usually the injection molding operation runs all night and day once the mold is set up.<\/p>\n

2) Cost effective<\/em>
\nAutomatic production of injection molding is possible, which means the operation is cost effective to manufacture custom plastic parts, in a full automatic injection molding factory<\/a>, you only see a few workers there to ensure the machine runs smoothly.<\/p>\n

3) Multiple materials molded at the same time<\/em>
\nThe benefit of co-injection molding is you can produce plastic part with more than one plastic material at the same time.<\/p>\n

4) Wide range of plastic material can be used<\/em>
\nThanks to the development of chemical industry, more and more types of plastic materials can be used, and the performance and characteristics are more diverse, some of the materials with high strength can take place of steel in application, such as POM, some of the materials are soft, like PP, TPE. All of them can be benefited by injection molding<\/a> to produce custom plastic parts.<\/p>\n

5) Low scrap losses <\/em>
\nUtilizing hot runner, plastic injection molding production can maintain very low scrap losses. Basically, in a stable production situation, the scrap loss is zero.<\/p>\n

6) In Mold Decoration <\/em>
\nIn Mold Decoration technology allows the decoration to be molded together with the plastic parts, it means you don’t need to do secondary process after molding.<\/p>\n

7) High tolerances are repeatable <\/em>
\nUsually precision injection mold<\/a> are built with steel cutting tolerance 0.005 mm, injection molded parts tolerance can reach 0.01 mm. This tight precision can be repeatable during injection molding cycles by cycles.<\/p>\n

Although injection molding has a bunch of advantages, there are also some basic disadvantages need to be taken into consideration when you planning to molding plastics.<\/p>\n

\n\tPlastic Injection Molding Disadvantages<\/h2>\n

1) High initial tooling cost <\/em>
\nPlastic injection molding<\/a> can’t work without a tooling, actually quality of the plastic parts rely heavily on the quality of tooling, tool making is a technical and labor intense job, a high quality tool could cost you a lot.<\/p>\n

2) Expensive equipment investment <\/em>
\nThe injection molding equipment is very expensive, it could take a molder 2-3 years to cover the investment. When you ask an injection molding factory to produce your custom plastic parts, you need to know about the basics of their machines, different brand of machine cost differently and the performance of the machines are different accordingly, also machine with different capacity (usually by ton) cost differently as well, machine cost is one of the main cost of the injection molding<\/a>.<\/p>\n

3) Plastic parts must be designed with injection molding consideration <\/em>
\nAll the plastic parts designed to do injection molding must follow the basic rules of injection molding. Under cuts are allowed but part designers are required to minimize it as much as possible because it increase the complexity of injection molding and it’s cost, some other considerations like sharp edges, uneven wall thickness etc should be avoid as much as possible; most of the plastic parts are asked to make a draft angle for better de-molding. So usually a qualified part designer would know some basic knowledge of mold making<\/a> and injection molding, so they know how to avoid injection molding problems during plastic part design.<\/p>\n","protected":false},"excerpt":{"rendered":"

Injection molding is one of the most important processing methods to produce plastic parts. Plastic injection molding techniques have been used and developed for a long time. Look around you, the case of your laptop, the case of intelligent cell phone, water filters, food containers, wash machines and quite a few components in your car… […]<\/p>\n","protected":false},"author":1,"featured_media":7638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-160","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wiki"],"yoast_head":"\nInjection Molding Basics (Advantages and Disadvantages) - ACO Mold<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.acomold.com\/injection-molding-basics.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Injection Molding Basics (Advantages and Disadvantages)\" \/>\n<meta property=\"og:description\" content=\"Injection molding is one of the most important processing methods to produce plastic parts. 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