For full service tooling and mold making solutions, Michiana Global Mold offers a wide range of mold making and tooling capabilities.   Our niche, and one area of expertise is constructing precision, custom injection molds for complex part production using quality North American or German Steel with modern equipment and technology.  We meet the tight tolerances and fast deadlines of the Automotive industry, and are a valuable part of many other industrial supply chains.  

Our services include much more than building new injection molds, however, and as a full-service Tool and Die Shop we can offer a wide range of comprehensive tooling services.

CNC / EDM and Wire EDM Machining

With the latest in modern equipment, Michiana Global Mold uses four Charmilles CNC EDM Machines, a Charmilles EDM HD20, a full line of Hansvedt EDM centers, and a 3R and Erowa Tooling Package.  Our journeyman mold makers are experienced in the latest CNC EDM and Wire EDM Machinery and Equipment offering efficient tooling services.  

Grinding

MG Mold has over a dozen Harig grinders alone, in 6 x 12 or 6 x 18 with Grind All attachments, 1 Reid, 2 Boyer, and 2 Proth and 1 Chevalier Hydraulic Surface Grinders.   We can grind any surface area of any product meeting the most demanding of tolerances.  

Milling

With more than 30 different Milling centers, we have the capacity to provide full service for even multi-tool programs with quick lead times.  Our full line of milling centers include 1 Hwacheon 20,000 RPM High Speed Mill, 2 Fanuc Robodrill 20,000 RPM, over a dozen Hurco CNC Machining and Milling centers, 11 Bridgeport Milling Machines and various other milling machines fill our large capacity production area.

Sampling and Inspection

Michiana Global Mold will sample your tool in the selected material, providing first shots to your specification prior to tool delivery.   We provide the highest of quality and inspection services

Engineering Changes and Tool Adaptations

For all tooling processes, including Engineering changes and tool adaptations call on your one stop, full service tool and mold shop, Michiana Global Mold.

Avoid Costly Runners

A hot runner mold is desirable in situations where you would have a large runner that would go to waste, thus raising the cost with excess material.  While the cost of a hot runner tool may be more than a standard cold runner mold, an economic analysis may reveal that the cost savings could pay for itself in a reasonable amount of time.  This would be especially true if the material is a costly specialty raw resin.  

Improve Geometrical Tolerances

In a hot runner mold, the material is injected directly into the cavity through a nozzle, rather than flow through the runner system.  This is done with more pressure than a cold runner tool, and can improve filling and packing into critical dimensional areas.   The pressure utilized in a hot runner tool can improve consistency in the molding process, thus improving the quality of the parts.

Improve Cycle Time

Due to the increased pressure, a hot runner tool may bring an improvement in cycle times.  All plastic processors know the value of an improved cycle time as increased efficiency equates to increased profits.   When applied to a multi-cavity tool on a high-volume project, the savings in cycle time alone could be quite significant, not to mention improving lead times with production parts.   The volume of production required from the tool is a big consideration when weighing the benefits of a hot runner tool versus a cold runner tool.

Flexible Gate Location

A hot runner tool allows for flexibility with the gate location, which can be placed in the most desirable area for consistent filling and packing.  In parts with high visibility, gate location is important to the aesthetics as well as function of the molded product.

There are two different types of gating mechanisms for hot runner tools, a thermal gate or hot-tip gating system, or a valve gate.  With a thermal gate the nozzle hardens at the tip, allowing the parts to disconnect from the nozzle prior to ejecting.

In a valve gating system, a valve slides over the nozzle tip prior to ejecting, assisting with ejection if the material does not solidify completely in the tip.  

Experienced mold designers must know how to adapt to challenging geometrical dimensional specifications.  Employing a three-plate tool can be a solution when searching for an ideal gate location, or when multiple gate locations are necessary.  

A three-plate tool has an additional stripper plate acting as a buffer between the injecting plate containing the multiple gate locations, and the B plate housing the cavities to mold the parts.  With this precision design, the sprue is ejected in between the first and second plates, and parts eject in between the second and third plates.  This allows for the parts and runner to separate, and is easily adapted with any automated auxiliary equipment just like any other mold and ejection system.

A Three-plate tool design can provide a more consistent flow to cavities with multiple gates, without the need for a hot-runner tool.  In most cases a three-plate tool will be less expensive than a true hot-runner tool, but still provide the increased pressure to fill and pack critical dimensional areas with an even flow of material.  This is beneficial in areas containing thin walls or tight tolerances.  

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Michiana Global Mold has vast experience designing and building complex three-plate tools for various industries, including the demanding quality standards of the Automotive industry.  We have experience building three-plate tools, hot-runner tools, hot-to-cold tools, MUD units, Prototype Tools, Shuttle Molds, and more.  

Our vast resources allow us to provide you with complete service from design to mold construction and even product sampling.  We follow a strict quality policy, adhering all processes to our ISO9001 registration.  Our experience and resources allow us to provide quick turn-around on single or multi-tool projects.  

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