
I. Introduction
The Quick Fit Corp Mold Manufacturing case study provides a unique insight into the challenges and solutions encountered in the injection mold manufacturing industry. It highlights the critical role of precision and innovation in meeting the specific needs of our clients, even in the face of complex product structures and demanding production requirements.
TDL, a trusted injection mold and IMG nickel shell tool supplier has a long-standing commitment to excellence. Our technology and expertise are dedicated to addressing the precise requirements of our clients, ensuring defect-free injection molding, on-time delivery, and the extended life of molds. This case study showcases how TDL’s approach effectively tackles challenges and guarantees customer satisfaction.
In the following sections, we will delve into the intricate details of the Quick Fit Corp Mold Manufacturing project. This comprehensive case study will cover the client’s specific requests, the mold manufacturing process, mold description, design, flow analysis, quality control, key points, difficulties, solutions, and the concluding results. We will explore how TDL’s technology and problem-solving capabilities shine in the realm of high-precision and high-quality mold manufacturing.

II. Customer Request
The client approached TDL with a set of highly detailed project requirements. These included the absolute necessity for flawless injection molding, emphasizing the prevention of any defects in the final product. The client also expressed a stringent need for on-time delivery, acknowledging the significance of adhering to production schedules. The project was marked by the demand for a long mold life to ensure durability and cost-effectiveness. Furthermore, a core aspect of the client’s request was the requirement for fully automatic production processes, streamlining operations for efficiency.
Emphasis on Injection Molding Defect Prevention and On-Time Delivery:
Injection molding is a precise science, and the client’s specific emphasis on defect prevention underscores the importance of delivering products that meet the highest quality standards. In tandem with this, on-time delivery is crucial to maintain the project timeline and meet market demands efficiently. The integration of both defect prevention and on-time delivery is at the heart of TDL’s commitment to fulfilling client requirements.
The Demand for a Long Mold Life and Fully Automatic Production:
The need for a long mold life is driven by the desire to maximize the return on investment. Ensuring the durability and longevity of molds is an essential part of the client’s project expectations. Additionally, the requirement for fully automatic production speaks to the client’s desire for operational efficiency and reduced manual intervention in the manufacturing process.

III. Mold Description
The Quick Fit Corp project involves the production of complex plastic components that utilize sliders in three directions and a threaded core puller. These intricate structures, while small in size, present unique manufacturing challenges. It is vital to understand that these challenges stem from the product’s structural complexity.
Challenges Related to Product Structure and Mold Arrangement:
The product’s complex structure gives rise to specific challenges during manufacturing. The presence of sliders in multiple directions necessitates a carefully designed mold arrangement that accommodates their movement. The threaded core puller further adds to the intricacy. This intricate arrangement requires a specialized approach to mold design and precision manufacturing to ensure the product’s quality and performance meet the client’s expectations.

IV. Mold Design
The mold design for the Quick Fit Corp project is a critical component of ensuring the successful production of complex plastic components. To address the challenges posed by the product’s structure, the design incorporates slider parting lines and feed proposals. Slider parting lines are marked by blue lines, representing the areas where sliders are integrated into the mold structure.
Considerations for Draft Angles and Uneven Wall Thickness
One crucial aspect of the mold design is the inclusion of draft angles to facilitate the ejection of the molded parts. The application of a 0.5-degree draft angle on the red side of the product accommodates easy demolding, ensuring smooth production. Additionally, the product exhibits uneven wall thickness, requiring meticulous attention to prevent any issues related to shrinkage.
The draft angles and careful consideration of wall thickness variations are essential design elements that mitigate the risk of defects and guarantee the product’s quality. The thoughtful design of the mold helps address these potential issues proactively.

V. Mold Flow Analysis
In the Quick Fit Corp Mold Manufacturing project, the product exhibits varying wall thickness, making it susceptible to potential shrinkage issues. It’s crucial to conduct a thorough mold flow analysis to identify areas with a higher risk of shrinkage. By understanding these vulnerabilities, the production process can be optimized to minimize defects related to shrinkage and ensure that every molded part meets the specified quality standards.
Demolding Process Description, including Gear-Driven Demolding and Slider Movement
The demolding process is a complex but vital aspect of ensuring the successful production of components in the Quick Fit Corp project. It involves a gear-driven mechanism to release the threaded core, making use of a series of gears. As the oil cylinder drives the rack to engage gear 1, this initiates the demolding process. Gear 1, in turn, activates Gear 2 to adjust the speed, and Gear 2 subsequently drives Gear 3.
This sequential action leads to the upward rotation of the threaded insert within the mold cavity, allowing for the effective demolding of the threaded component. This process guarantees the precise removal of the product from the mold, minimizing the risk of damage or defects.
VI. Mold Machining
The Importance of Precision Mold Machining, including CNC, EDM, and WEDM:
Precision mold machining is the cornerstone of producing high-quality components in the Quick Fit Corp project. To ensure the molded parts meet the required specifications, various machining techniques are employed, including CNC (Computer Numerical Control) machining, EDM (Electrical Discharge Machining), and WEDM (Wire Electrical Discharge Machining).
High-quality CNC machining is instrumental in creating accurate and intricate features on the molds. It provides the flexibility and precision needed to meet the tight tolerances demanded by the project. EDM, on the other hand, enables the creation of complex geometries by utilizing electrical discharges to erode the material, ensuring the molds’ exact replication of the desired product specifications. WEDM, a variation of EDM, involves a fine wire to cut through the material with exceptional precision.
The interplay of these machining methods guarantees the molds’ precision and the replication of the complex geometries required for the Quick Fit Corp project.
The Relationship between Mold Precision and Product Precision:
In the Quick Fit Corp project, the precision of the molds directly correlates with the precision of the final products. Any deviation or inaccuracy in the molds can result in defects and deviations in the components. Therefore, maintaining high precision during mold machining is a non-negotiable aspect of ensuring that every molded part adheres to the specified tolerances and quality standards.

VII. Quality Control
Quality control is at the heart of TDL’s operations, and the Quick Fit Corp project is no exception. To guarantee the molds’ accuracy and precision, every mold component undergoes a rigorous quality control process. This includes meticulous inspections of various elements within the mold-making process, such as the CNC-machined components, EDM and WEDM parts, and any other crucial components that contribute to the final mold’s functionality.
Inspections are carried out using advanced measuring equipment and techniques, ensuring that each component meets the specified tolerances and quality standards. Any non-conformities are addressed promptly, and necessary adjustments or corrections are made. This comprehensive quality control approach is vital in assuring the molds’ reliability and performance during production.
VIII. Difficulty Analysis
A. Challenges Related to High Accuracy, Complex Mold Structure, and Thread Core Requirements
The Quick Fit Corp project posed several unique challenges due to its intricate nature. Firstly, achieving the required high accuracy for the intricate components and complex geometries of the product proved to be a significant hurdle. The molds needed to ensure tight tolerances and high precision, which added complexity to the design and manufacturing processes.
The second challenge arose from the complexity of the mold structure itself. With sliders in three directions and a threaded core puller, the mold design had to be carefully engineered to ensure seamless functionality. The complex structure necessitated precise coordination among various mold components, demanding a meticulous approach during the design and manufacturing phases.
Lastly, the requirement for a threaded core added another layer of complexity to the project. The precise positioning and movement of the threaded core demanded a high level of accuracy to avoid defects in the final product.
B. The Need for a Long Mold Service Life
Alongside these challenges, the client had a crucial demand for a long mold service life. With a target of 500,000 to 800,000 shots, the molds needed to withstand extensive use over an extended period. Prolonging the mold’s service life required careful material selection, precise manufacturing, and the implementation of wear-resistant components to minimize maintenance and replacements.
IX. Difficulty Solutions
A. High Manufacturing Precision
To address the challenge of achieving high manufacturing precision, we adopted a multi-pronged approach.
Firstly, the mold design was meticulously optimized to ensure the molds met the strict accuracy requirements. We paid close attention to every detail, from the alignment of mold components to the placement of sliders and thread core elements.
In addition, precision machining played a pivotal role in ensuring high manufacturing precision. Utilizing state-of-the-art CNC, EDM, and WEDM machining techniques, we maintained tight tolerances and consistent quality. The molds’ precision surpassed the product’s accuracy requirements by several grades, ensuring that they consistently produced parts within the desired specifications.
B. Long Service Life
Achieving a long mold service life necessitated a combination of careful planning and quality craftsmanship. We employed materials renowned for their durability and wear resistance to ensure the molds could withstand the high shot count without significant wear or damage.
Furthermore, regular maintenance and quality inspections became an integral part of our production process. This proactive approach allowed us to identify and address any issues before they could impact the mold’s performance or lifespan. We also incorporated wear-resistant components and implemented efficient cooling systems to minimize wear and tear.
C. Reducing Production Costs While Maintaining Quality
Keeping production costs in check without compromising quality was a priority. We achieved this by adopting a streamlined manufacturing process. Careful design decisions, such as the use of slide lines to reduce the complexity of the mold and the selection of cost-effective yet reliable materials, played a significant role in controlling costs.
Moreover, we optimized the manufacturing cycle by using advanced technology and efficient production management practices. This reduced production time while ensuring each mold met the desired quality standards.
X. Conclusion
In conclusion, the Quick Fit Corp Mold Manufacturing case study serves as a testament to TDL’s commitment to providing innovative, high-precision, and customized solutions to meet our clients’ unique needs in the injection molding industry. Our unwavering dedication to ensuring injection molding defect prevention, on-time delivery, long mold service life, and fully automatic production capabilities has proven to be a game-changer for Quick Fit Corp.
Through careful analysis, intricate design, meticulous mold flow considerations, precision machining, and stringent quality control, we addressed the complex challenges posed by this project. High accuracy requirements, intricate mold structures, thread core demands, and the necessity for a long mold service life were all met with unwavering precision and dedication.
Our focus on high manufacturing precision, which involved optimizing both the mold design and the machining process, was pivotal in ensuring that the molds consistently produced parts that met and exceeded the client’s strict accuracy requirements.
By investing in high-quality materials, employing wear-resistant components, and adopting efficient cooling systems, we extended the molds’ service life to reach a remarkable 500,000-800,000 shots, ensuring cost-efficiency for Quick Fit Corp.
In an industry where time is of the essence, our commitment to reducing production costs while maintaining quality allowed us to deliver cost-effective solutions without compromising on the superior standards we uphold.
The success of the Quick Fit Corp Mold Manufacturing case study is a testament to TDL’s expertise, precision, and innovation in the world of injection mold manufacturing. We have demonstrated that even in the face of challenges, we have the capabilities to deliver solutions that exceed client expectations and contribute to their success.