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Vacuum Casting Rapid Prototyping Of Small Production Runs For ABS Polyurethanes
Vacuum Casting :
Polyurethane vacuum casting is a specialized method used to create accurate replicas of master patterns. This involves using affordable silicone molds and liquid casting resins. The resulting copies exhibit similar quality to plastic injection molded parts, but they are much quicker and cost-effective to produce.
Industries involved:
Robotics,UAVS(unmanned aerial vehicle),Medical equipments,Plastic enclosure,Eletrical products,Phone case,auto parts,Household appliances,Sporting equipments,Military,etc.
Benefits Of Vacuum Casting
Vacuum casting offers efficient manufacturing of intricate shapes with high precision, cost-effectiveness, and versatility:
Urethane Casting Tolerance Guidelines:
| Maximum build dimensions | The size of the mold is limited by the dimensions of the vacuum chamber (1,900 x 900 x 750 mm) and by the volume of the product (maximum volume: 10 liters). |
| Standard accuracy | ±0.3% (with a lower limit on ±0.3 mm on dimensions smaller than 100 mm). |
| Minimum wall thickness | At least 0.75 mm to ensure the mold is filled properly; for best results, wall thickness of at least 1.5 mm is recommended. |
| Surface structure | High-quality surface finish comparable to injection molding. |
Size limitations for Urethane Casting:
Requirement
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Specifications
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Maximum part dimensions
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1700 x 700 x 850 mm
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Minimum wall thickness
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0.65 mm (recommended wall thickness 1.5 mm)
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Duplication quantities
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10-20 copies (depend complexity of the mold and casting materials)
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Creating polyurethane vacuum cast parts involves three main steps: master pattern creation,
mold fabrication, and part casting.
1. Master Pattern Creation:
Crafting patterns from your CAD designs is the initial step. These 3D solids are made through CNC machining or 3D plastic printing like SLA/SLS. You can provide patterns or let us create them. Patterns should endure up to 50°C heat.
2. Mold Fabrication:
Liquid silicone forms the casting molds. It's poured around the master pattern within a casting box, cured in an oven for 15 hours. Afterward, the mold is opened, and the master pattern is removed, yielding a negative cavity mirroring the original. Our silicone molds typically yield around 25 copies of the master pattern.
Vacuum Casting Materials:
Acrylic-Like |
Acrylic-Like is a rigid and uncomplicated polyurethane plastic designed to mimic acrylic (PMMA). It's used to craft components that need some level of translucency, such as light panels, safety screens, and automotive taillights.
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ABS-Like |
ABS-Like is a versatile polyurethane plastic that imitates ABS thermoplastic. Widely used, it's a reliable option suitable for various parts.
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Opaque Elastomer |
Opaque Elastomer is a polyurethane plastic designed to replicate diverse rubber-like substances such as TPE, TPU, and silicone rubber.
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Waterclear Elastomer |
Waterclear Elastomer is a urethane casting substance that mimics a variety of rubber-like materials like TPE, TPU, and silicone rubber. It's particularly suitable for wearables, gaskets, and overmolds, and is offered in a range of hardness levels from Shore 30A to Shore 80A, with increments of 10A.
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Glossy paint | High-gloss paint is renowned for its exceptional shine and ability to reflect light, creating a surface finish that imparts a nearly mirror-like appearance to objects. |
Transparent | This method allows for achieving exceptional transparency and purity in high-purity plastic materials used for components, combined with a polishing process. |
Soft-touch | This technique involves the application of a soft-touch coating surface finish to elements like rubberized buttons and coatings. Primarily utilized to enhance the ergonomic comfort of the produce. |
Painting
| Simple process that apply a color on your parts, we have a large range of colors and style. |
Laser engraving
| Utilize laser beams to modify object surface characteristics and personalize components according to your preferences. |
Screen printing | Screen printing serves as a versatile printing method for ink transfer onto surfaces. Operators skillfully employ tools such as paper and a squeegee to execute this process. Additionally, stencils can be utilized strategically to block ink transfer to specific areas. This technique is particularly valuable for creating intricate designs with multiple colors. |
Tampography | Pad Printing is an innovative technique for imprinting a 2-D image onto a 3-D object. This method involves utilizing an etched plate, often referred to as a cliche, in conjunction with a specialized pad to seamlessly transfer the desired image. |
Why Choose JYH- precision for Vacuum Casting Rapid Prototyping Services?
In the realm of vacuum casting, a multitude of manufacturers are available for selection. Opting for the correct one holds
paramount importance to achieve your anticipated outcomes.
At JYH Precision, we believe that quality and speed should go hand in hand. Our approach combines extensive industry expertise with cutting-edge tools and technologies, enabling us to provide top-notch vacuum casting services within tight timelines (usually 5 to 7 days). |
Vacuum casting is just a part of our capabilities. we provide an array of supplementary finishing services that contribute to bringing your product to its full potential. These services encompass machining, media blasting, printing, painting, and beyond. |
We recognize that your requirements are distinct, and unnecessary expenses are undesirable. Hence, we refrain from imposing minimum order volumes or dollar values for our vacuum casting services. we ensure swift and precise quotes within 1 hours or less for almost all projects. |
Vacuum casting is frequently utilized for prototyping, we understand that many of the products . To facilitate their refinement, we extend comprehensive design for manufacturing assistance to our clients.
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FAQ:
Choosing vacuum casting over 3D printing hinges primarily on material quality and performance.
Vacuum casting offers superior materials that closely replicate those found in commercial products.
If material performance and product aesthetics are paramount, opt for vacuum casting.
As vacuum casting can be used for low volume production as well as mass production, it is applied by various industries such as consumer products, food and beverage, electronics, and etc.
Vacuum casting is best for making visually impressive prototypes, but it can also be used for non-mechanical end-use parts.
Shipping way:
QC checking before ship the product:
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Vacuum Casting Plastic Parts And Rapid Prototyping Of Small Production Runs,JYH is your best injection mold supplier!
Injection Moulding is highly repeatab.
