VACUUM CASTING

  • With best in class vacuum casting machine in-house, THINK3D offers high quality vacuum casting services and also provide various post processing options to go with it.
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Why Choose Think3D For

VACUUM CASTING

Turn your ideas to reality with our state of art vacuum casting capabilities. Our facility is equipped with entire range of 3D Printers, 10 CNC Machines, 2 Injection Molding Machines and have a passionate team to serve you.

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Quick Online Quote

Upload files in Get Quote section and get quote within 4 hrs

Technical Competency

Technically qualified team in various mfg. technologies

Competitive Pricing

Highly competitive price and bulk discounts also available

NDA & IP Protection

All designs and data are kept in highly secure private server

Overview
Applications
Materials
Specifications
Post Processing
FAQ

Overview

Vacuum casting is a casting process for elastomers using a vacuum to draw the liquid material into the mold. The vacuum casting process starts by placing a two piece silicone mold in a vacuum chamber. The raw material is mixed and degassed and then poured into the mold. The vacuum is then released and the mold removed from the chamber. Finally, the casting is cured in an oven and the mold removed to release the completed casting. The silicone mold can be reused for up-to 20 parts.
Fused Deposition Modeling technique in Rapid Prototyping

Applications

  • Prototypes for form, fit and function testing
  • Prototypes directly constructed in production materials like ABS, Nylon, PU
  • Low-volume production of end-use parts

materials

ABS

Color Tensile Strength (MPA)Hardness (Shore A/D)HDT
Translucent/White/Black3274 D - 82 D7

Flexible Rubber

ColorTensile Strength (MPa)Hardness (Shore A/D)HDT
White/Black2 - 1720 A -90 ANA

PP

ColorTensile Strength(MPa)Hardness (Shore A/D)HDT
White/Translucent3274D79

PC

ColorTensile Strength (MPa)Hardness (Shore A/D)HDT
TransparentNA80D95

PE

ColorTensile Strength (MPa)Hardness (Shore A/D)HDT
White/Translucent1048D35

specifications

Materials: ABS, PC, PP, Nylon, ABS/PC

Bed Sizes: 2 mm (for text/ hole diameters etc)

Minimum Dimensional Requirement: 0.80 mm

Tolerance: ± 0.20 – ± 0.25 mm 

Standard Accuracy: ± 0.3% (with lower limit on ± 0.3 mm).

Lead Time: 12 – 15 days

Mold Life: 20 – 25 shots

post processing

  • Remove excess material from the part
  • Apply putty & primer
  • Spray painting
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OUR VALUABLE

Clients

Think3D has been a great partner for us in supplying COVID-19 test cartridges on-time despite the pandemic challenges. When we came up with a new requirement needing a workforce of more than 25 people, think3D took up the challenge and arranged the workforce within 2 days. I highly recommend think3D for any manufacturing needs.
 

Sanket Srivatsav
Production In-Charge, Molbio

As a professor doing research on new materials, I needed a strong industry partner to assist us. think3D perfectly fit that bill. think3D team is highly knowledgeable on all manufacturing technologies and the team is very prompt in responding to all our requests. My research has been very successful, thanks to think3D team.


Dr. Karthik Chetan V
Asst. Professor, BITS Pilani

We found issue with one part at the time of assembly and needed a quick replacement. think3D team has quickly responded to our request, redesigned the part and printed it using metal 3D Printing and delivered in 3 days time. The part came out really well and the design was better than that of the actual one.


Rama Krishna
Senior Manager (IMM), BDL

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FAQS

Frequently Asked Questions

A vacuum casting machine uses a vacuum to suck the molten metal into the mold. A force is needed to overcome the surface tension of the molten metal. The centrifugal machine must be securely bolted to a level surface with a protective fence around it. A metal washtub or a drum from a clothes dryer can be used.
The advantages offered by plaster casting include: A very smooth surface finish. The ability to cast complex shapes with thin walls. The capacity for forming large parts with less expense than other processes, such as investment casting.

Vacuum casting or vacuum duplication involves injecting a resin into a silicone mould. Because of its cost and deadline, this method is most suited to pre-series, with a faithful reproduction of the original model and a result close to the end result in the “right material”. Vacuum casting technology is recommended for the production of around ten to one hundred parts for mechanical or visual tests.

You can get at least 20 shots out of a silicon mold. After 20 shot, the vacuum casted mold starts to decrease in quality.
It can be molded into finished product by application of heat and pressure.
  • Low weight
  • Corrosion resistance
  • Insulation properties
  • Electrical properties
  • Cheaper
  • Easy to handle
  • Surface properties
  • Reusable
Vacuum casting results in significant economies of scale. It is recommend to use this prototyping technology for quantities exceeding ten pieces. From this number, the cost of creating the silicone tooling is paid off and the technology of vacuum casting generally becomes more attractive than CNC machining. The tooling consists of a master part and a mould. The economies of scale generally reach their maximum from 100 to 200 prototypes. Beyond this quantity, it is recommended to design an injection mould from aluminium or steel.
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Machining & Molding

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Rd Number 36, Hyderabad
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