Know How to Develop High-Quality Prototypes Using Vacuum Mold Casting

1. Know How to Develop High-Quality Prototypes Using Vacuum Mold Casting There is a wide range of prototype development options these days. If your requirement involves producing a low volume of identical and self-colored parts, vacuum mold casting—also known as cast urethanes—can be an excellent choice. This process allows you to obtain production-quality prototypes without the extended lead time and high cost associated with more comprehensive production tooling. To ensure the best results, be sure to collaborate with a reputable service provider who has expertise in casting a wide range of parts using various materials, guaranteeing the delivery of high-quality prototypes. That said,it’s important to recognize that the responsibility for the outcome of your prototypes doesn't solely lie with the vacuum casting specialist. As a product engineer or designer, you play a vital role in the process, starting from the initial design phase. Here are some tips on developing high-quality prototypes throughvacuum mold casting: 1. Make the master model suitable for 3D printing or CNC machining. This step is crucial in the overall vacuum casting procedure. Creating a master model has become faster and easier nowadays because manufacturers only require your digital design. That said, you should still prepare your design for stereolithography (SLA 3D printing) or CNC machining beforehand to ensure that the manufacturer won't spend excessive time on preparation or adjustments. 2. Check the manufacturer’s capabilities. It is also essential to be aware of the capabilities of the vacuum mold casting provider you are working with. Confirm the maximum size they can accommodate. Reputable companies can handle

2. a wide range of sizes, from small items like headphones to larger components like vehicle bumpers. The typical maximum size is around 2300 x 1000 x 400mm. 3. Apply a few design tricks. Aim for a consistent wall thickness throughout the design and keep in mind the possibility of a 0.15% shrink rate during casting. If your design features large, flat areas, consider adding ribs to minimize warping and increase strength. Additionally, reducing the weight of the prototype can help to lower costs. 4. Pick the right material and surface finish. Reputable manufacturers offer a variety of polyurethane resins with properties similar to thermoplastics like ABS, PA, PC, PP, PMMA, and transparent soft rubber. Consider the specific features your prototype requires when choosing a suitable material. Furthermore, explore the manufacturer's finishing options for vacuum mold casting, which may include plating, painting, polishing, and sandblasting. Get help from a vacuum casting expert. If you need assistance with vacuum moldcasting, HLH Proto can help simplify the process. They offer a no-cost project review where their team of experts can provide guidance on material selection, design considerations, finishing options, and other critical aspects, ensuring the creation of high-quality prototypes. Don't hesitate to get in touch with HLH Proto for expert support in your vacuum casting projects.