FMS provides the most cost-effective injection molding service
FMS offers high quality on-demand injection molded parts. Injection molding is the cheapest process for producing plastic parts that provides consistent quality for mid volume to high volume production. Compared with CNC machining and even 3D printing, injection molding has the most abundant materials, colors and configurations. In addition to material, injection molded parts can also have custom cosmetics, polishes, or surface textures.
FMS often uses some unconventional solutions for injection molding to meet the special requirements of customers. We even design special auxiliary equipment for injection molding machines to meet the special requirements of our customers’ projects, and we are willing to challenge complex projects. Any customer who cooperates with us will have an unprecedented sense of accomplishment. Our goal is to provide a long-term solution, apply molding technology to the maximum limit, and work with full-time project managers and engineering experts in all projects from design to production. Plastic injection molding is a manufacturing process used to produce a large number of plastic parts. Usually used when thousands or even millions of identical parts are created consecutively.
FMS has been providing mold and injection molding solutions to companies from all over the world since 2009. We have completed customized plastic injection molding projects for medical, automotive, sports, hunting/camping, electronics, food/beverage, container, packaging and other industries.
We take pride in our superb injection molding technology. All FMS molds and production equipment are under the control of FMS team. Our injection molding workshop runs three shifts a day, five days a week, and overtime on weekend is based on production needs to determine whether overtime is required. All our injection molding machines are equipped with robots for high-speed automation and injection production.
Customers trust FMS and recognize FMS as an expert in injection molding services in the engineering and manufacturing sectors. Our injection molding and mold engineers have extensive expertise and production experience, and have participated in the design and molding of products and components in many industries.
Injection molding is the most common modern method of manufacturing plastic parts. It is used to make various parts with different shapes and sizes, and is ideal for mass production of the same plastic parts. Injection molding is widely used to make a variety of parts, from the smallest medical device components to the entire body panel of a car. Injection molding is a manufacturing process that can use both thermoplastic and thermoset materials to produce plastic parts. It can produce parts with complex geometries that are not possible with many other processes.
Before you endeavor to produce a part via injection molding consider a few of the following things:
Financial Considerations
Entry Cost: Preparing a product for injection molded manufacturing requires a large initial investment. Make sure you understand this crucial point up front.
Production Quantity
Determine the number of parts produced at which injection molding becomes the most cost effective method of manufacturing
Determine the number of parts produced at which you expect to break even on your investment (consider the costs of design, testing, production, assembly, marketing, and distribution as well as the expected price point for sales). Build in a conservative margin.
Design Considerations
Part Design: You want to design the part from day one with injection molding in mind. Simplifying geometry and minimizing the number of parts early on will pay dividends down the road.
Tool Design: Make sure to design the mold tool to prevent defects during production. For a list of 10 common injection molding defects and how to fix or prevent them read here. Consider gate locations and run simulations using moldflow software like Solidworks Plastics.
Production Considerations
Cycle Time: Minimize cycle time in as much as it is possible. Using machines with hot runner technology will help as will well-thought-out tooling. Small changes can make a big difference and cutting a few seconds from your cycle time can translate into big savings when you’re producing millions of parts.
Assembly: Design your part to minimize assembly. Much of the reason injection molding is done in southeast Asia is the cost of assembling simple parts during an injection molding run. To the extent that you can design assembly out of the process you will save significant money on the cost of labor.
Injection moulding (U.S. spelling: injection molding) is a manufacturing process for producing parts by injecting molten material into a mould, or mold. Injection moulding can be performed with a host of materials mainly including metals (for which the process is called die-casting), glasses, elastomers, confections, and most commonly thermoplastic and thermosetting polymers. Material for the part is fed into a heated barrel, mixed (using a helical shaped screw), and injected into a mould cavity, where it cools and hardens to the configuration of the cavity. After a product is designed, usually by an industrial designer or an engineer, moulds are made by a mould-maker (or toolmaker) from metal, usually either steel or aluminium, and precision-machined to form the features of the desired part. Injection moulding is widely used for manufacturing a variety of parts, from the smallest components to entire body panels of cars. Advances in 3D printing technology, using photopolymers that do not melt during the injection moulding of some lower temperature thermoplastics, can be used for some simple injection moulds.
The plastic injection molding process is generally dated back to 1868, when John Wesley Hyatt of billiard ball maker Phelan and Collander was searching for a suitable replacement material for the ivory in billiard balls. Hyatt invented a way to inject celluloid into a mould that processed it into a finished form. In 1872 John and his brother Isaiah patented the first injection molding machine. This machine was relatively simple compared to the complex machines used by today’s injection molding companies. It consisted of a basic plunger to inject the plastic into a mold through a heated cylinder. The industry was slow to adopt the injection molding process, eventually beginning to produce plastic items such as collar stays, buttons and hair combs. Not until the 1940s did the concept of injection molding really grow in popularity because World War II created a huge demand for inexpensive, mass-produced products.
Although the manufacturing of plastic products using an injection mould may seem quite simple at first (the plastic material is injected into a mould, left to cool, then removed when ready) there are however more complex steps involved in order for this seemingly simple process to occur. The six main steps are as follows:
Clamping – the clamp unit consists of metal plates (or platen). The process begins with the mould being clamped together under pressure to accommodate the injection and cooling processes.
Injection – the molten thermoplastic material, which has been melted by pellet form in the barrel of the machine, is injected under pressure into the mould through either a screw or ramming device.
Dwelling – once the molten plastic is injected into the mould, more pressure is exerted to make sure all the mould’s cavities are filled, using hydraulic or mechanical pressure.
Cooling – the plastic is left to cool and solidify within the mould.
Opening – the movable platen is separated from the fixed platen to separate the mould.
Ejection – ejection is completed by the use of rods, a plate or an air blast to remove the plastic component completely from the mould.
When looking for a company to assist you with your plastics manufacturing, make sure you understand the processes they use so you can get a better idea of how they operate and what you can expect from the finished product. Some manufacturers will allow you to take a tour of their facility and many will have videos and other useful production information posted on their website.
Don’t be afraid to ask your manufacturer about the injection moulding process – a few questions at the start will go a long way towards ensuring you get the best results.
The biggest advantage of injection molding has to be its low production costs as plastic product designs created this way have very low price per unit compared to other plastic production following a different type of manufacturing technology. Its ability for mass production defeats the costs of materials since everything is in a lump amount making it cheaper overall. However, be reminded of the setup’s cost and tooling as well to balance its cost effectiveness.
Injection molding is a manufacturing process used on a wide variety of products from tiny components up to large items. It is popularly used in the plastics manufacturing industry. The process uses a granular plastic gravity fed from a hopper which is dumped into a heated chamber through a screw-type plunger. The plastic is melted while pressed against the mold. The object is allowed to cool and is removed as a solid product. In some aspects of manufacturing, aluminum molds are also being used since they are quick to mass produce while other large manufacturing companies use steel molds of various kinds. It depends on for how long or better for how many pieces the mold has to last.
Most traditional plastic manufacturing processes cut out a substantial part of its plastic sheet during production. With injection molding, scraps and wastes only come from overflows in the mold and leaks from runners and sprue. Injection molding follows cuts accurately keeping wastes at an all-time low in plastics manufacturing.
Injection molding makes it possible to produce plastic product designs in large volumes which is why it is popularly used in large-scale plastic custom manufacturing. Thousands of plastic part designs can quickly be manufactured after several hours of work in a manufacturing production line. The main disadvantage of injection molding is that the process is not suitable for very small-scale production given the setup costs and equipment needed for this type of technology.
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