Leading Metal Molding Manufacturers

Metal molding (aka metal molding in some parts of the United States) dates back a long time as people have made numerous products, tools, and other metal products for thousands of years through this process. Since its inception, metal molding has been evolving with the development of new processes, the use of different types of material to mold, and different molding conditions. Read More…

Metal Molding Metal molding (aka metal molding in some parts of the United States) dates back a long time as people have made numerous products, tools, and other metal products for thousands of years through this process. Since its inception, metal molding has been evolving with the development of new processes, the use of different types of material to mold, and different molding conditions.

ISO 9001:2008 certified manufacturer specializing in custom roll forming. Unique profiles are run in gauges from 0.005" to 0.165" and widths up to 48" on 35 lines. Adding in-line operations may enhance your product.

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M.P. Metal Products, Inc. $$$

Johnson Bros. is a leading manufacturer when it comes to roll forming metals, pre-finished and plain. Such as profiles, U-Channels, C-Channels, J-Channels, Hat Channels, Box Channels, Zee Channels, Strut Channels, moldings, and more.

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Johnson Bros. Roll Forming Co. $$$

With over 50 years of experience, United Roll Forming specializes in roll forming for a variety of industries. Our products are the result of state-of-the-art machines that provide both quality and efficiency.

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United Roll Forming, Inc. $$$

Producing five different standard products, as well as complicated roll forming sections and secondary operations such as notching, punching and fabricating, is Roller Die & Forming Company, Inc.

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Roller Die & Forming Company, Inc. $$$

Premier Products of Racine is a full-service company established in 1999 that provides custom roll formed products for applications such as outdoor appliances, tanker trucks, and office furniture.

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Premier Products of Racine, Inc. $$$
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Metal molding is an integral chapter in the vast and diverse topic of molding. Numerous processes are incorporated into metal molding. Through the use of these processes, metal can be molded into any desired shape and size.

Roll Formed Metal Molding

What is Metal Molding?

In the metalworking process known as metal molding, finely powdered metal is combined with a binding material to form a "feedstock" that is then molded and solidified via injection molding. High-volume, complex items can be formed using metal molding in only one stage. Following molding, these parts undergo conditioning processes to remove the binder and densify the powders. The finished goods produced through this process are utilized in numerous fields and applications.

Metal molding makes it possible to produce complicated high-volume items at a low cost. It guarantees a shorter production time than investment casting. Moreover, it also enables the production of net-shaped products including rubbers and sprues.

Process of Metal Molding

Below are the steps involved in the metal molding process:

  • Feedstock Preparation

    Metal powders and thermoplastic binders are the main raw materials used in metal injection molding. After injection molding, the binder must be removed from the finished items as it is only used as intermediate processing assistance. The powder's properties determine the ultimate qualities of the metal injection molded product. The blended powder mix is processed at a high temperature into the plasticized binder material to create the feedstock using a kneader or shear roll extruder. This so-called feedstock is just an intermediate product. It is often granulated, with the typical granule size in the plastic injection molding industry being several millimeters.

  • Injection Molding

    The second step in metal molding is operating the injection molding machine. The injection molding process used to make metal parts is analogous to the process used to form plastic parts. Therefore, the wide diversity of the metal parts produced is similar to that of plastic components created using injection molding.

  • Removal of Binder Material

    After that, the binder material is removed to produce parts containing a series of interconnected pores but still preserve these components' individual shapes. There is frequently still some binder material in the areas binding the metal powder particles together after the binder removal procedure. Still, this pore network allows the binder to evaporate fast during the first stage of sintering, as sintering necks begin to form between the metallic particles.

  • Sintering

    Most of the pore volume previously filled by the binder is eliminated during the sintering process.

Metal Molding Process Flow

Applications of Metal molding

Metal Channels

Below are the applications of metal molding:

  • Transport: automobile, aerospace, railways, and shipping
  • Heavy equipment: construction, farming, and mining
  • Machine tools: machining, casting, plastics molding, forging, extrusion, and forming
  • Plant machinery: chemical, petroleum, paper, sugar, textile, steel, and thermal plants
  • Defense: vehicles, artillery, munitions, storage, and supporting equipment

Roll Forming Power Pages

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Extruded Aluminium

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