Engineering Parts Production

3D printing has enabled the manufacturing industry to create specialized parts on-demand without the need to manufacture costly moulds. Using Engineering grade plastics like PETG, ABS, ASA, Polycarbonate & tough resin, your component can withstand high load & temperature for your application.

Our 3D printing farm enables us to produce multiple quantities to reduce the lead time drastically. Some of the engineering parts we made are in the images.

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Description

Manufacturing engineering-grade parts can prove to be an expensive project. The traditional way is to make a metal mould for injection moulding. However, if the quantity is small then this is no longer a cost-effective strategy. Hence, our recommended method is to use high-quality 3d printing materials to fulfill your requirement at a lower cost & faster lead time.

Depending on the surface finish & size, Macoma Tech offers different types of printing services.

Here are some of the benefits of 3D printing your engineering parts:-

  1. We have SLA & FDM machines that offer the lowest resolution of 0.025mm
  2. PETG plastics are used to build food grade components
  3. Tough resin & ASA are materials used for high strength
  4. TPU & Elastic 50A resin is used to create flexible parts

 

Our Process

 

Design

We design the component considering your use case. Details like operating temperature, strength, surface finish & environment factors are considered in choosing the materials. Design is made to minimize the overhangs which in turn reduce the cost of components. The above fuel distribution component was specifically designed by taking measurements of the actual model.

 

3D Printing

Based on the required resolution, the component is either printed in FDM or SLA machine. Most of the time we use FDM since it is easy to batch manufacture and more cost-effective. For engineering-related applications, we use at least 50% or higher infill to provide better strength. From the above 2 parts, one is 3D printed and another one is the actual component. It’s hard to make out the difference between 2 and that’s the precision of our engineering parts production.

 

Post-processing

This is an optional step since most of the time the engineering parts don’t need aesthetic appearance. However, in some cases where parts are joined to create an airtight system like in our fuel distributor. We had to join the parts with glue and put 2 coats of epoxy in order to seal all the micro gaps. The above RTA traffic cap is a better example of an ABS 3d printed part that is paint finished.

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