What are the Advantages and Disadvantages of 3D Printing?

This production process offers a range of advantages compared to traditional manufacturing methods. These advantages include those related to design, time and cost, amongst others.

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3D printing allows for the design and print of more complex designs than traditional manufacturing processes. More traditional processes have design restrictions which no longer apply with the use of 3D printing.

3D printing can manufacture parts within hours, which speeds up the prototyping process. This allows for each stage to complete faster. When compared to machining prototypes, 3D printing is inexpensive and quicker at creating parts as the part can be finished in hours, allowing for each design modification to be completed at a much more efficient rate.

Print on demand is another advantage as it doesn&#;t need a lot of space to stock inventory, unlike traditional manufacturing processes. This saves space and costs as there is no need to print in bulk unless required.

The 3D design files are all stored in a virtual library as they are printed using a 3D model as either a CAD or STL file, this means they can be located and printed when needed. Edits to designs can be made at very low costs by editing individual files without wastage of out of date inventory and investing in tools.

The main 3D printing material used is plastic, although some metals can also be used for 3D printing. However, plastics offer advantages as they are lighter than their metal equivalents. This is particularly important in industries such as automotive and aerospace where light-weighting is an issue and can deliver greater fuel efficiency.

Also, parts can be created from tailored materials to provide specific properties such as heat resistance, higher strength or water repellency.

Depending on a part&#;s design and complexity, 3D printing can print objects within hours, which is much faster than moulded or machined parts. It is not only the manufacture of the part that can offer time savings through 3D printing but also the design process can be very quick by creating STL or CAD files ready to be printed.

The production of parts only requires the materials needed for the part itself, with little or no wastage as compared to alternative methods which are cut from large chunks of non-recyclable materials. Not only does the process save on resources but it also reduces the cost of the materials being used.

As a single step manufacturing process, 3D printing saves time and therefore costs associated with using different machines for manufacture. 3D printers can also be set up and left to get on with the job, meaning that there is no need for operators to be present the entire time. As mentioned above, this manufacturing process can also reduce costs on materials as it only uses the amount of material required for the part itself, with little or no wastage. While 3D printing equipment can be expensive to buy, you can even avoid this cost by outsourcing your project to a 3D printing service company.

3D printers are becoming more and more accessible with more local service providers offering outsourcing services for manufacturing work. This saves time and doesn&#;t require expensive transport costs compared to more traditional manufacturing processes produced abroad in countries such as China.

As this technology reduces the amount of material wastage used this process is inherently environmentally friendly. However, the environmental benefits are extended when you consider factors such as improved fuel efficiency from using lightweight 3D printed parts.

3D printing is being used in the medical sector to help save lives by printing organs for the human body such as livers, kidneys and hearts. Further advances and uses are being developed in the healthcare sector providing some of the biggest advances from using the technology.

Like with almost any other process there are also drawbacks of 3D printing technology which should be considered before opting to use this process.

While 3D Printing can create items in a selection of plastics and metals the available selection of raw materials is not exhaustive. This is due to the fact that not all metals or plastics can be temperature controlled enough to allow 3D printing. In addition, many of these printable materials cannot be recycled and very few are food safe.

3D printers currently have small print chambers which restrict the size of parts that can be printed. Anything bigger will need to be printed in separate parts and joined together after production. This can increase costs and time for larger parts due to the printer needing to print more parts before manual labour is used to join the parts together.

Although large parts require post-processing, as mentioned above, most 3D printed parts need some form of cleaning up to remove support material from the build and to smooth the surface to achieve the required finish. Post processing methods used include waterjetting, sanding, a chemical soak and rinse, air or heat drying, assembly and others. The amount of post processing required depends on factors including the size of the part being produced, the intended application and the type of 3D printing technology used for production. So, while 3D printing allows for the fast production of parts, the speed of manufacture can be slowed by post processing.

3D printing is a static cost unlike more conventional techniques like injection moulding, where large volumes may be more cost effective to produce. While the initial investment for 3D printing may be lower than other manufacturing methods, once scaled up to produce large volumes for mass production, the cost per unit does not reduce as it would with injection moulding.

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With 3D printing (also known as Additive Manufacturing) parts are produced layer-by-layer. Although these layers adhere together it also means that they can delaminate under certain stresses or orientations. This problem is more significant when producing items using fused deposition modelling (FDM), while polyjet and multijet parts also tend to be more brittle. In certain cases it may be better to use injection moulding as it creates homogenous parts that will not separate and break.

Another of the disadvantages of 3D technology is the potential reduction in human labour, since most of the production is automated and done by printers. However, many third world countries rely on low skill jobs to keep their economies running, and this technology could put these manufacturing jobs at risk by cutting out the need for production abroad.

Another potential problem with 3D printing is directly related to the type of machine or process used, with some printers having lower tolerances, meaning that final parts may differ from the original design. This can be fixed in post processing, but it must be considered that this will further increase the time and cost of production. 

As 3D printing is becoming more popular and accessible there is a greater possibility for people to create fake and counterfeit products and it will almost be impossible to tell the difference. This has evident issues around copyright as well as for quality control.

Get Further Advice On 3D Printing

Need help with determining whether 3D printing is the right process for you?

Contact our team of world-leading experts with over 20 years of experience in the additive manufacturing field.

Our technology experts help to ensure our customers apply the correct technology process depending on each individual or company requirements:

Find a Store

Custom solutions to meet your unique business needs. Let your ideas take shape with 3D printing.

Print Functional Prototypes

You can use 3D printing for prototypes or one-of-a-kind items. Let The UPS Store® bring your ideas to life. We can even use your 3D CAD file.

Construct Manufacturing Jigs and Fixtures

We understand when you do your own manufacturing, jigs and fixtures are critical for ensuring high quality and efficiency during assembly and testing. Our 3D printer can create complex parts so you are not dependent on a CNC machine.

Create Custom Accessories

Want to design your own smartphone case or money clip? Most items that are smaller than a bread box and can be made out of a single color of plastic are perfect for 3D printing.

Build Architectural Models

You can work in just about any 3D architectural design program and then export to common 3D CAD file types. The finished product is ready to show off, or you can sand and paint your building to give it just the right look.

3D Printing Services Expanded Across Nation

The UPS Store continues to expand 3D printing services nationwide to meet the growing demands of its small business customers. 3D printing is now available at approximately 20 The UPS Store locations. Use the interactive map below to find a participating location near you, or check out the full list of all The UPS Store locations offering 3D printing services.

3D CAD and 3D Scanning Services

The UPS Store 3D print locations can now also offer you 3D CAD and 3D scanning services through HoneyPoint3D. Getting a custom 3D print has never been easier &#; you dream it, HoneyPoint3D designs it, The UPS Store prints it. Enjoy the HoneyPoint3D benefits of an easy quoting process, affordable and quality engineering, online viewing of your 3D files, and efficient turnaround times. Get your 3D CAD or scan quote today!

Netfabb® at The UPS Store

Participating The UPS Store 3D print locations are utilizing Netfabb software for 3D print file preparation and customization.

Services available at these locations include:

• File fixing
• Text labeling
• Logo labeling
• Cutting

Contact or visit these Netfabb locations to learn more about their advanced 3D offerings.