If you’re developing prototypes or small-batch parts in Singapore, вакуумный кастинг (also called urethane casting) это изменение игры. It uses a vacuum to draw liquid resin into silicone molds, creating high-precision parts that mimic production-grade materials—faster and cheaper than injection molding. For local businesses, it cuts R&D time by up to 50% and slashes tooling costs to 20-30% of traditional methods . Если вы в автомобиле, Электроника, или медицинские устройства, it bridges the gap between prototypes and market-ready products.
How Vacuum Casting Works: Пошаговый сбой
The process is straightforward but requires precision—here’s how Singaporean manufacturers execute it:
- Создание мастер -шаблона
Первый, a master model of your part is made using 3D Печать или Обработка с ЧПУ. Singaporean shops like RP World often use 3D printing for complex designs, ensuring the master matches your CAD file exactly . The master is inspected for flaws before moving forward.
- Создание силиконовой формы
The master is submerged in liquid silicone, which cures around it (обычно 24-48 часы). Once set, the mold is cut into two halves, and the master is removed—leaving a cavity that mirrors your part. These molds last 10-20 Использование, в зависимости от сложности .
- Вакуумный кастинг & Выклятый
Смола (НАПРИМЕР., полиуретан) is poured into the mold, which is then placed in a vacuum chamber to eliminate air bubbles (critical for clear or detailed parts). The mold goes into an oven for 3-4 hours of constant-temperature curing . Окончательно, Плесень открыта, and the part gets post-processed (рисование, Лазерная маркировка, и т. д.).
Пример случая: A global automation firm in Singapore struggled with CNC-machined impeller assemblies that failed underwater tests. RP World switched to vacuum casting: they 3D-printed a master, made a silicone mold, and cast parts that passed long-term underwater trials—cutting production time by half and becoming the client’s long-term supplier .
Key Advantages of Vacuum Casting for Singapore Businesses
Why choose this over 3D printing or injection molding? Here’s how it benefits local teams:
- Скорость: Get 20 части в 15 days or less —ideal for tight R&D deadlines.
- Экономическая эффективность: Silicone molds cost far less than steel/aluminum injection molds. Для 100 части, vacuum casting saves 30-60% против. Инъекционное формование .
- Качество: Parts have superior surface finish (smoother than injection molding) and capture fine details like textures or undercuts .
- Гибкость: Использовать 11+ resin types (НАПРИМЕР., heat-resistant for automotive, transparent for lenses) and add post-processing like screen printing.
Top Materials for Vacuum Casting in Singapore
Singaporean suppliers offer a wide range of resins to match your part’s needs. Вот краткий гид:
| Тип материала | Ключевые свойства | Общее использование |
| Hei-Cast PU 8150 | ABS-like rigidity | Корпуса, случаи |
| Axson PX 5212 | Прозрачный, Высокая ясность | Линзы, Отображение обложки |
| Hei-Cast 8752 | Гибкий (резиновый) | Прокладки, носимые устройства |
| High-Temp Resins | Теплостойкость (до 200 ° C.) | Автомобильные детали двигателя |
Для чаевого: Jucheng Precision, a Singapore-certified (Iso 9001, МАТФ 16949) shop, recommends Hei-Cast 8400 for parts needing both strength and impact resistance .
2025 Trends Shaping Vacuum Casting in Singapore
The industry is evolving fast—here’s what local businesses need to know:
- Автоматизация & 24/7 Производство
Shops like SM Metal Solutions are adding automated mold prep and part extraction, reducing human error and enabling round-the-clock production . This boosts output by 30% while cutting labor costs.
- AI-Powered Optimization
AI systems now analyze casting cycles to predict mold maintenance and reduce waste. Например, AI can spot resin flow issues early, обеспечение 99% of parts meet quality standards —critical for medical device makers.
- Eco-Friendly Resins
With Singapore’s strict sustainability rules, suppliers are adopting recyclable resins that cut waste to 5-10% (против. 20-30% для обработки с ЧПУ) . Look for shops using bio-based polyurethanes.
How to Calculate Vacuum Casting Costs in Singapore
Costs depend on four factors—use this breakdown to budget:
- Материал (40-60% of total cost): PU resins cost SGD 20-50 за кг; high-temp resins go up to SGD 80/kg .
- Mold Fees: A small mold (10x10cm) costs SGD 300-500; large/complex molds reach SGD 1,500 .
- Объем: Unit costs drop 40% when producing 100 против. 10 части (spreads mold costs).
- Пост-обработка: Painting adds SGD 5-15 за часть; laser marking is SGD 2-8 за часть .
Пример: 50 ABS-like parts (10x5cm) с живописью: ~SGD 1,800 общий (форма: SGD 400, материал: SGD 800, labor/post-processing: SGD 600).
Перспектива Yigu Technology
“Vacuum casting is the unsung hero of Singapore’s manufacturing ecosystem. We’ve seen clients cut R&D timelines by 60% using this method—especially in electronics, where fast prototyping wins markets. The key is partnering with shops that combine ISO certifications with AI tools: they deliver consistent quality while keeping costs low. As sustainability rules tighten, we’re advising clients to prioritize eco-resins—they don’t just meet regulations but also appeal to green-conscious buyers. Для небольших партий (10-500 части), vacuum casting beats injection molding every time.”
Часто задаваемые вопросы: Vacuum Casting Singapore
Q.: How long does vacuum casting take in Singapore?
А: 7-10 Дни для простых частей; Сложные дизайны (с пост-обработкой) брать 12-15 дни .
Q.: Can vacuum casting make metal parts?
А: No—stick to plastics/rubbers. Для металлов, Singaporean shops use die casting (НАПРИМЕР., SM Metal Solutions) .
Q.: Is vacuum casting better than 3D printing?
А: For functional prototypes or small batches, yes—parts have better material strength and surface finish . 3D printing is better for 1-5 части.
Q.: Which industries use vacuum casting most in Singapore?
А: Автомобиль (impellers, корпусы), потребительская электроника (Телефонные чехлы, носимые устройства), и медицинский (device enclosures) .