The second ejection is by ejector pin_Fox Mold.jpg
Connector demold the undercut by collapsible core_Fox Mold
Collapsible core demold the undercut_Fox Mold
Bulkhead connector conforming cooling system_Fox Mold
Bulk head connector for busbar tray_Fox Mold
The second ejection is by ejector pin_Fox Mold.jpg
Connector demold the undercut by collapsible core_Fox Mold
Collapsible core demold the undercut_Fox Mold
Bulkhead connector conforming cooling system_Fox Mold
Bulk head connector for busbar tray_Fox Mold

Bulkhead connector with undercut all around inner circle.

Energy Storage Management System, which is widely used in power grid peak regulation electric transportation and distributed energy. Lithium-ion battery PACK, also known as battery module, is a lithium-ion battery manufacturing process. It refers to connecting multiple lithium-ion single cell groups in parallel and series to form a specific shape according to customer requirements. The important parts of the battery PACK include single battery modules, electrical systems, thermal management systems, cell carrier and BMS.

Fox Mold is honor to be supplier of cell carrier module, stack and power system, to produce high accuracy cell carrier molds and parts of our client. 

 

Highlights

Product Video

Specification

Project Overview and Connector Profile:

Fox mold’s main supply was the mold and molding bulk parts to meet Alpha and Beta test asap. This bulkhead connector was CNC machining to verify part design and assembled well with other geometries, the molded parts should be accurate and meet the time line. 

Project Challenge:

This connector is more complex than ordinary plastic products, the product has a full-circle undercut design and has strict dimensional tolerance requirements, especially for the roundness and concentricity, easily distorted during de-molding.

1st -2nd ingenious design of mold solution:

We did a comprehensive DFM analysis, mold flow analysis, and detailed mold 3D/2D design. Three ingenious design of mold are included:

  1. Multi-point valve hot runner glue injection solution, this hot runner design does not produce any runner, saving product costs.
  2. Collapsible core automatic de-moulding structure is adopted to solve the problem of full-circle undercut de-moulding issue and realize fully automatic production.
3rd ingenious design of mold solution:

3. Conforming cooling system was designed to install on important dimension portion, this complicated cooling system was produced by metal 3D printing process and CNC machining. This sufficient cooling can ensure the roundness and concentricity tolerance of the product.

Final Completion

The mold was finally manufactured, FAI was released on T1 without any further modification or optimization on mold. Time line of Alpha and Beta low volume production and mass production was achieved to meet customer needs.

Service We offered in this project

Application Scope:

Busbar tray, battery module and stack connection.

Service We offer:

Learning raw material. doing mold flow analysis to review raw material with hot runner to predict part filling situation, get the best injection molding parameter, analysis mold solution and optimize mold cost and molding cost.

DFM and mold design, developing injection mold, doing mold trail.

FAI measurement and support part mass production.

Provide all the document including CoA and all SQR documents.

 

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