Intelligent education products constitute a significant topic of debate in worldwide marketplaces these days. Given the current state of Covid 19, their demand is enormous. It provides power to clients that introduce new goods and increase market share.

RJC’s senior technical service team, which has a combined experience of ten years, is highly specialized in this area and can serve such clients due to their years of expertise. Clients can rely on the RJC team to deliver molds on time and under budget. Our staff excels at containing any issues during the process.

Mold Tool Production At RJC

When it comes to low-volume manufacturing, we excel in producing high-quality tools. We use tools made of pre-hardened steel (P20, S136, and NAK-80). We can manufacture various components based on the client’s specifications, including POM, TPU, and PPA.

When we manufacture mold tools, we use many workpieces to cover the mold design of the client’s product. Precision machining enables us to achieve several benefits, including economy, high accuracy, rapid removal of metal material, and quick turnaround.

Additionally, we employ DFM (Design for Manufacturability) analysis when developing molds, which lowers tooling costs, allows for design revisions, and ensures component quality.

EDM Expertise At RJC

EDM is frequently used in the molding process and comes in a variety of forms. We shall discuss many types of machines and their applications in the molding sector.

Additionally, we use EDM for tool fabrication. Electrical discharge machining (EDM) is a type of machining. It is well suited for applications requiring exceedingly precise tolerances and conditions that would be extremely difficult or impossible to manage with any other form of machining.


RAM EDM is an innovative electric discharge machine that combines the advantages of a typical machining center with a precision milling machine. When combined with a high-hardness metal carbide cutting tool, three-dimensional machining is possible.

RAM EDM was founded in 1994 by a family of machine shops to provide respite to the world’s machinists. RAM EDM is a market leader because of our expertise and experience in CAD/CAM programming and production processes.

Today’s modern machines produce high-quality components for a variety of sectors, from aerospace to automotive. However, EDM (Electrical Discharge Machining) is the only method capable of carving exceedingly complex features into metal.

Precision component manufacturing using EDM has never been easier or more efficient. EDM enables increased component output, shorter lead times, and the most efficient material usage.

EDM machines have several advantages over CNC machines because they come in various textures and other characteristics.

  • Wire EDM

Wire EDM, sometimes referred to as Wire Electrical Discharge Machining (WEDM), is a precision machining method in which an electrical current is sent via a wire, creating a tiny channel through the material.

  • Drilling EDM

It is also known as a Hole Popper because it drills into material using a rotating electrode. Our personnel will physically relocate workpieces to line the hole popper with the site.

  • How EDM Fits Within Our Injection Molding Process

We look for molds that require EDM first and then produce them using our typical milling technique to keep lead times at a minimum. We then apply to finish touches through EDM to get the necessary characteristics. These stages leverage our experience to create complicated steel molds that operate at elevated temperatures.

Mold Flow Analysis At RJC

We do Mold flow analysis before initiating the injection molding process. We model the design of the item to be made using specialist software.

Thus, Mold flow analysis software designs injection molded components in virtual 3D and includes easy-to-use Mold flow CAD features. It is the most commonly known method for determining heat fluxes in injection molds made of plastic.

It is simple to do and interpret, consumes minimal resources, and is non-destructive. As a result of these factors, mold flow analysis has gained widespread acceptance as a standard technique.

Like other simulation tools, MFA enables you to select the material that meets your specifications and fill the mold’s holes. As a result, it provides the opportunity to alter anything before the final design. It results in financial savings and time savings.

For instance, in the case of panel molding, our analytical procedure is as follows:

Analysis purpose

It is important to validate possible issues after the design of the part and mold.

To examine the fill balance pattern, weld line, and air traps and forecast the clamping force and injection pressure required.

Input Model Description

The runner system and cooling circuits are modeled as part of the input model.

Result Required

Filling performance, cycle time performance, and warpage performance

Product Thickness Analysis:

For complete flow analysis of Panel mold, refer to Mold-Flow-Analysis.pdf

Injection Molding At RJC

Injection molding is a manufacturing technology that enables the mass production of components. It works by injecting molten materials into a mold (in the United States, referred to as a mold). It is frequently utilized in mass manufacturing.

For mass manufacturing, we pump molten material into a mold (of identical items). This procedure utilizes various materials, including metals, glass, elastomers, confections, and other polymers.

We are experts at injection molding plastics such as Acetal, Acrylic, ABS, PC, Nylon, UHMWPE, POM, and PBT.

  • ABS molding

ABS (Acrylonitrile Butadiene Styrene) injection molding plastics offer a balanced mix of the following characteristics: mechanical toughness, wide temperature range, good dimensional stability, chemical resistance, electrical insulating capabilities, and ease of manufacture.

We provide a diverse range of ABS plastics molds, including medium and high-impact, heat-resistant, plateable, and flame-retardant.

However, there are certain advantages and disadvantages to utilizing ABS molds. Among the benefits is resistance characterized by hardness and stiffness and excellent processability and appearance; yet, the following shortcomings exist: The solvent has a low resistance and a low dielectric strength.

  • ABS + PC

We used PC + ABS molds to provide low-temperature impact strength while keeping the cost down. It may be customized by adding glass fiber or another type of flame retardant.

We utilize ABS+PC injection modifications in various industries, including business equipment housings and enclosures, electrical, medical, and computer.

  • Acetal (POM)

We employ Acetal Injection Molding Plastic to provide inherent lubricity and chemical resistance. Acetals have outgassing issues at increased temperatures

  • Acrylic (PMMA)

We select PMMA to obtain colored, molded, cut, drilled, and formed molds because of its mild qualities, ease of handling and processing, and inexpensive cost. Acrylic is a cost-effective substitute for polycarbonate (PC) when exceptional strength is not required.

  • Nylon 6-PA (Polyamide)

To achieve a favorable cost-performance ratio with a wide range of qualities, we employ Nylon 6-PA.

  • The Need For Temperature Control In Plastic Injection Molding

Temperature management averts quality difficulties such as shrinkage, warping, and tensions in injection molding operations.

Temperature management is crucial in injection molding, as it is in many other industrial operations. Effective temperature management precludes the development of material quality concerns such as shrinkage, warping, and strains.

A significant technical aim is to balance the cooling fluid’s temperature, the pace of mold cooling, and the end product’s quality while bearing in mind that production speed is linked to profitability.

Watch this video to learn more about our cooling method.

  • Our Injection Molding Is Eco Friendly

We employ environmentally friendly materials such as thermosetting polymers in our molding processes.

The specific materials used also impact the environment due to their durability, ability to be recycled, and how they are disposed of.

We strive to minimize the carbon impact of the items we develop throughout their lives, including manufacturing.

Other Types Of Molding At RJC

Insert Molding

Insert molding is one of several types of insert molding. While this specific insert molding method is commonly utilized in the medical, automotive, aerospace, and consumer goods sectors, the process is highly adaptable and may be adapted to various other industries.

Insert molding is a manufacturing method that involves forcing a hot plastic melt through a mold chamber that contains an insert or design.

Additionally, other substrates are available for insert molding; brass inserts and bushings are the most prevalent. Brass inserts are finely machined to retain their shape under extreme pressure, resulting in a permanent fastening solution.

The advantage of inset molding is that it allows for a faster completion time for plastics and injection molding than other procedures such as mill-turning or forging. Producing vast volumes of items is more cost-effective when using mold castings.

Additionally, the turnaround times are far shorter than those associated with standard metal casting procedures. Thanks to our competent mold design engineers, we were able to mechanically position the insert into the mold and inject the plastic around it.


Overmolding is a technique that combines two distinct materials into a single component. The first component is a urethane core that traps the filling ingredient. Following injection, this substance will solidify around the artwork’s form, creating.