INJECTION MOLDING

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Why Choose Think3D For

INJECTION MOLDING

Now mass produce parts in different kinds of plastics with our state-of-art injection molding set up. Injection Molding is one of the preferred methods for manufacturing parts because it has multiple advantages over other methods of plastic molding. We also have tool design team in-house to design and manufacture molds and also a CAD design team to provide DFM services.

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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

Injection molding is a manufacturing process for producing parts by injecting molten material into a mold. Injection molding can be performed with a host of materials mainly thermoplastic and thermosetting polymers.

Material for the part is fed into a heated barrel, mixed and injected into a mould cavity where it cools and hardens to the configuration of the cavity.

After a product is designed, usually by an industrial designer or an engineer, molds are made by a mold-maker from metal, usually either steel or aluminum and precision-machined to form the features of the desired part.

Applications

materials

ABS

Tensile Strength (MPA) Flexural Strength (MPa)Hardness, Rockwell RMaximum Service Temperature °C
2.60 - 73.1 10.3 - 655 90 - 122 50.0 - 109

Acrylic

Tensile Strength (MPa) Flexural Strength(MPa)Hardness, Rockwell RMaximum Service Temperature °C
19.3 - 85.0 33.1 - 143 69 50.0 - 100

PTFE Teflon

Tensile Strength (MPa) Flexural Strength (MPa)Hardness, Shore DMaximum Service Temperature °C
13.0 - 333 14.0 - 27.6 11 - 70 93.3 - 316

PEEK

Tensile Strength (MPa) Flexural Strength (MPa)Hardness, Rockwell R Maximum Service Temperature °C
50.3 - 265 86.2 - 380 4.28 20.0 - 310

Nylon 6

Tensile Strength(MPa) Flexural Strength(MPa)Hardness, Rockwell R Maximum Service Temperature °C
3.45 - 100 7.00 - 200 73 - 120 70.0 - 250

Polycarbonate

Tensile Strength (MPA) Flexural Strength(MPa)Hardness, Rockwell R Maximum Service Temperature °C
30.0 - 93.1 27.6 - 205 72 - 124 116 - 150

PET

Tensile Strength(MPa) Flexural Strength(MPa)Hardness, Rockwell R Maximum Service Temperature °C
5.52 - 90.0 60.0 - 121 105 - 125 60.0 - 225

LDPE

Tensile Strength(MPa) Flexural Strength (MPa)Hardness, Rockwell RMaximum Service Temperature °C
2.80 - 56.5 65.02 38 - 56 95.0 - 115

HDPE

Tensile Strength(MPa) Flexural Strength (MPa)Hardness, Rockwell R Maximum Service Temperature °C
7.60 - 43.0 13.8 - 75.8 33 - 66 70.0 - 120

PLA

Tensile Strength (MPa) Flexural Strength (MPa)Hardness, Shore DMaximum Service Temperature °C
0.160 - 3000 0.170 - 159 48 - 87 60.0 - 240

specifications

Mold maximum height: 560 mm

Mold minimum height: 200 mm

Mold platen distance: 800 mm x 800 mm

Tie bar distance: 500 mm x 500 mm

Shot weight: 400 grams

Injection pressure: 1930 Bar

post processing

  • High quality finish
  • Custom color matching
  • Threaded inserts
  • Pad printing
  • Laser engraving
  • Part assembly
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

FAQS

Frequently Asked Questions

Injection molding is a manufacturing process for producing parts by injecting molten material into a mold. Material for the part is fed into a heated barrel, mixed and injected into a mold cavity where it cools and hardens to the configuration of the cavity.
Injection molding gives a very good quality finish. Using injection molding ensures parts manufactured hardly require any work after the production. This is because the parts have more or less a finished appearance after they are ejected from the injection molds. Today, plastic injection molding is an environment-friendly process.

Rotational molding, rotomolding, rotomold or rotocasting is a production process to form hollow parts of limitless size. This is a cost-effective method to produce large plastic parts. Resins are added into a mold that’s heated and rotated slowly, both vertically and horizontally.

A back pressure is the pressure in an injection molding machine that is exerted by the material when the material is injected into the mold.

Different plastics used for injection molding are:

  • ABS
  • Polypropylene
  • Polyoxymethylene  (POM)
  • Polycarbonate
  • Polycarbonate / ABS
  • PVC
  • Nylon
  • Nylon 32% Glass Fiber
  • Acrylic (PMMA)
  • Styrene
  • Polyetherimide (PEI)
A core is a device used in casting and molding processes to produce internal cavities and re entrant angles. The cycle begins when the mold closes, followed by the injection of the polymer into the mold cavity.
Injection molds have to undergo lot of clamping force, stress and undue pressure due to continuous molding process and frequent temperature changes. To withstand such forces, injection molds are made of high strength metals, namely tool steel, aluminum, stainless steel and so on.
The whole injection molding process usual lasts from 2 seconds to 2 minutes. There are four stages in the cycle. These stages are the clamping, injection, cooling and ejection stages.
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