Shenzhen StrongD Model Co., Ltd. has its own vacuum mold-reproduction workshop, specializing in silicone vacuum casting services, which are suitable for small batch rapid replication of plastic and soft rubber parts. This process uses silicone molds and industrial-grade PU materials to achieve high-precision replication of master molds under vacuum conditions, which is suitable for applications such as prototype verification, structural testing, and exhibition samples. We support one-stop delivery services from structural evaluation, master mold production to finished molds. The parts have a smooth surface and stable strength, which is close to the level of injection molding, but without the need for high mold investment. StrongD has provided highly simulated and efficient customized mold-reproduction solutions for customers in multiple industries such as consumer electronics, automobiles, medical care, and robotics.
Vacuum Casting Silicone Mould Parts Product Description
In the manufacturing processes such as product development, sample verification, and small batch production, Vacuum Casting has become an ideal solution for plastic parts proofing and small and medium batch replication due to its advantages such as low cost, short cycle, high precision, and strong adaptability. We provide professional Vacuum Casting silicone mold parts manufacturing services, which are widely used in multiple industries such as automobiles, electronics, medical, home appliances, robots, and consumer products, helping customers shorten the R&D cycle, verify product design, and reduce mold opening risks.
StrongD Vacuum Casting silicone mould parts is a process technology that uses silicone molds and PU resin materials to complete the replication of parts under vacuum. The operation process is: the main model is molded by silicone to obtain a mold cavity, liquid polyurethane or similar resin materials are added, bubbles are eliminated in a vacuum, and the mold is cured at room temperature or constant temperature. After demolding, a highly restored replica is obtained.
It is suitable for rapid proofing, small batch trial production, functional verification and structural testing, especially for early injection molding verification, assembly structure testing and product appearance evaluation.
The Core Process of Vacuum Casting Silicone Mould Parts Includes
Prototype Master Mold Production
Usually, the first model is made by CNC processing or 3D printing (SLA/SLS) as a template for the silicone mold.
01
Silicone Mould Parts Casting
The master mold is embedded in the frame, and the mixed liquid silicone is poured in. After vacuum exhaust, it is cured and formed.
02
Vacuum Casting Parts Replication
Preheated PU resin is injected into the silicone mold, and the air is extracted by a vacuum machine to form a stable structure.
03
Curing and Demoulding
The mold is placed in a constant temperature box for heating and curing. Usually, the mold can be removed after 2 to 4 hours.
04
Post-Processing Processing
Includes secondary processing such as cutting trimming, painting, electroplating, silk screen printing, polishing, etc. to improve appearance and functionality.
05
Standard Production Process
In order to ensure the high quality and high consistency of each part, we have developed a standardized production process:
Customers provide 3D drawings (STEP, IGS, etc.)
Project engineers analyze the structure and material requirements
CNC or 3D printing master mold production
Mold design and silicone injection molding
Vacuum injection replication, temperature and ratio control
Finished product demoulding, trimming, surface treatment
Dimension detection and functional testing
Quality inspection, classification and packaging, delivery
Each project is followed up by a professional project manager to ensure timely delivery.
FAQ
Customized service capabilities
We provide highly flexible customized solutions:
Support a variety of surface treatments
Spraying, laser engraving, electroplating, UV coating, rubber oil, mirror polishing, etc.
Color personalization
Support transparent, translucent, opaque, and multiple colors are available (support Pantone color numbers)
Functional assembly
Multi-piece assembly, insert inlay, nut riveting, etc.
Fast proofing service
Provide expedited sample delivery service within 3 days
Engineers assist in optimizing structural design (DFM recommendations)
Brand customization
Screen printing, coding, laser engraving and other identification services can be provided according to customer brand requirements
Logistics Packaging and Transportation
In order to ensure the safety and integrity of finished products during transportation, we have developed professional packaging and logistics solutions:
Packaging Method
Small parts use bubble bags + cowhide boxes
Transparent parts use PE bags + soft foam + shock-resistant boxes
Multi-piece combination classification identification, separation protection
Optional customized foam pallets and carton labels
Shipping Service
International express delivery such as DHL, FedEx, UPS, etc.
Support trade terms such as EXW, FOB, DDP
Provide tracking number, shipping list, packing list
Shipping Documents
Including product list, test report, invoice, contract
Instructions for use, assembly guide and other materials can be added as needed.
StrongD has a mature vacuum mold-reproduction workshop: self-built exclusive vacuum casting workshop, mature technology, stable delivery;
Suitable for small batch + high-precision replication: each set of silicone molds can be molded 10~25 pieces, suitable for pilot/verification/display purposes;
Various material support: support rigid, flexible, ABS-like, PP-like, PC-like polyurethane resins, and can also imitate transparent, soft glue, two-color structure;
High simulation surface quality: fine surface, high detail restoration, support for spray painting, electroplating, silk screen and other post-processing;
Short delivery cycle: from master mold production to sample shipment, the fastest delivery is 3~7 days;
One-stop service capability: support from 3D modeling, structure optimization, silicone mold production, PU pouring to testing and packaging The whole process;
One-to-one project follow-up by engineers: ensure efficient communication and the finished product meets the requirements of function/appearance/strength and other aspects.
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