Plastic Injection Mold Making

Plastic Injection Mold Making is the process of precision manufacturing special molds to achieve large-scale production of plastic products. YG provides one-stop turnkey mold making solutions to clients worldwide with advanced manufacturing machines and a professional mold design team.

What is Plastic Injection Mold Manufacturing?

Injection Mold Manufacturing is a specialized process for creating precision metal molds. Using these customized “steel stamps,” your plastic products (such as phone cases, medical parts, or automotive components) can be mass-produced on injection molding machines at high speed, low cost, and with zero error.

Why should you care about injection mold manufacturing? A high-quality injection mold can produce over one million parts at a cost as low as $0.02 per piece (at mass production), significantly lower than 3D printing or CNC machining. In essence, investing in superior injection mold manufacturing builds a reliable, scalable foundation for your product’s mass production success.

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Johnathan Doe

Founder/CEO

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Johnathan Doe

Founder/CTO

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Johnathan Doe

Marketing Director

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Finance Officer

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Mold Fabrication Solutions

YG Injection Mold Making Service

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Phone Case Injection mold
Plastic Injection Mold Design

Mold Design

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Plastic Injection Mold Making CNC

Mold Design

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plastic injection mold quality assurance

Mold Design

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Mold Enter Production

Mold Design

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Workflow of Injection Mold Making

Creating an injection mold involves a structured process to ensure precision and reliability. Here’s how it typically works:

Plastic mold manufacturing process
Injection Mold Making Product Analysis & Design Review

Product Analysis & Design Review

Our team at YG starts by reviewing your product design (3D/2D drawings or samples). We check details like wall thickness, undercuts, and material needs to confirm if injection molding is suitable. If design tweaks would make manufacturing smoother, we’ll discuss adjustments with you.

Injection Mold Making Mold Design & Material Planning​

Mold Design & Material Planning

Using tools like SolidWorks or UG, YG’s engineers design the full mold structure—including parting lines, gating systems, cooling channels, and ejection mechanisms. We also select mold materials (e.g., S136, 718H) based on your product’s needs and source them promptly.

Injection Mold Making Precision Component Machining​

Precision Component Machining

All mold parts are machined at YG with strict precision: Rough shaping to remove excess material. Heat treatment to harden steel. Fine machining (via CNC, EDM, grinding) for exact dimensions and surface quality. Final polishing for smooth finishes.

Injection Mold Making Mold Assembly​

Mold Assembly

Our technicians assemble all machined parts into a complete mold. We ensure tight fits: guide pins slide smoothly, ejection systems work without jamming, and mold halves seal properly to prevent excess plastic (flash).

Injection Mold Making Trial Runs & Refinement

Trial Runs & Refinement

The mold is tested on our injection machines: Initial trials (T1, T2) to check for defects like incomplete filling or warping. Adjustments to the mold or processing settings and small-batch tests until parts match your standards.

Injection Mold Making Trial Runs & Refinement

Mass Production & Delivery

Once the mold passes all tests, YG proceeds to large-scale production. We provide you with inspection reports and maintenance guidelines to support long-term use of the mold.

Injection Mold Gallery

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plastic injection mold gallery

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