Mold

Plastic Mold Development:
A Complete Journey from Concept to Product
Plastic mold development is a sophisticated engineering journey — each step shaping the quality, cost, and efficiency of the final product.

Transforming a concept into mass production demands the integration of materials science, mechanical engineering, and process control expertise.
Join us in exploring this vital manufacturing journey — turning your ideas into premium plastic products.

Crafting excellence, driving the future of manufacturing innovation.
Step 1: Confirm drawings and requirements
01-Drawing Completeness Check
Verify whether the files provided by the customer are complete (including 2D dimensions, 3D models, material specifications, tolerances, and surface treatment requirements).
02-Aligning with Customer Requirements
Verify product functions, appearance specifications, and usage environment (e.g., heat resistance, impact resistance, UV resistance, etc.).
03-Material Selection
Different plastics or metals have a significant impact on mold design, processing methods, and overall cost.
04-Shiping and Dilvery
Partnering with trusted freight forwarders, we ensure the best shipping solutions for you, no matter if it’s by air, sea, or land
Step 2: Design for Manufacturability
Structural feasibility review
  • Check for undercuts that require sliders or lifters.
  • Ensure uniform wall thickness to avoid shrinkage or warpage.
  • Verify sufficient draft angle to ensure smooth ejection.
Check points
  • Parting Line Design: Ensure the product’s appearance is not affected.
  • Gate Location: Critical for flow balance, weld lines, and product appearance.
  • Mold Flow Analysis: Simulates plastic flow, filling pressure, and cooling time to identify potential issues early.
Precision Mold Structure Design
  • Optimizing Cavity Design
  • Ejection Mechanisms (Pin, Block )
  • Cooling System Design
Steel Material Selection
Choose steel grades based on product requirements such as lifespan, precision, and material properties. Different steels offer varying performance characteristics.
Cost and Lead Time Evaluation
List mold costs, tooling cycle, and trial mold (T0/T1) schedules.
Pro Tip: Detailed pre-planning is the foundation of mold development success — every step matters and must be meticulously evaluated.
Precision Mold Design Engineering
Structural Design
Key factors such as injection flow, cooling system, and ejection mechanism are taken into consideration to ensure stable and efficient mold operation.
Precision Control
Utilizing CAD/CAM technology, we accurately calculate mold dimensions to ensure product tolerances meet specification requirements.
Durability Design
Optimizing mold structure to extend life cycle, reduce maintenance costs, and improve production efficiency
Step4 Mold Assembly and Quality Testing
Precision Assembly
Assemble the machined mold components with high precision to ensure perfect fit of all parts
Trial Molding Verification
Conduct comprehensive mold testing to verify whether injection parameters and product quality meet design requirements
Precision Adjustment
Make necessary adjustments based on test results to ensure the mold reaches its optimal production condition
Total Quality Control
CHOWSONS has invested in advanced technologies for mold development, ensuring strict control from design and prototyping to mass production, so that every product meets both precision and efficiency requirements.

Within its quality system, APQP (Advanced Product Quality Planning), PPAP (Production Part Approval Process), SPC (Statistical Process Control), and 8D (Eight Disciplines Problem Solving) are implemented to ensure that issues can be quickly prevented, tracked, and resolved.
APQP
Quality planning and risk assessment during the early stages of product development.
PPAP
A rigorous review and approval process for production parts.
SPC
Real-time monitoring and analysis of process data
8D
A systematic mechanism for problem tracking and continuous improvement.
Core Competencies
Precision Assembly
With 40 years of expertise in plastic manufacturing, our mold structure design not only meets customer requirements for appearance and dimensional tolerances but also emphasizes ease of mold maintenance
Injection Molding Expertise
We possess comprehensive experience in plastic injection molding, optimizing ejection structures and cooling system installation methods with a focus on production efficiency
One Stop Service
From mold design and fabrication to injection mass production, we provide a single-window solution that reduces communication costs and management complexity