Accessible large-format FDM printing with the Stratasys F770 printer

Article by Kelly Clancy updated May 3, 2021

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Stratasys made a big impact on manufacturing with their announcement of three new printers using three technologies this week during their Manufacturing Event.

If you missed the big event, we saw and learned about the H350 3D printer, which uses Selective Absorption Fusion technology (also known as SAF). The printer is built for high-volume, short-run production, with superior part quality and repeatability. We also saw Origin One, which uses P3 Technology and is perfect for mass production of end-use parts in a diverse range of high-performance materials. Last and certainly not least, we were introduced to the F770 3D printer, which uses FDM technology.

In this article we will focus on the F770 printer, its benefits, and where it fits into the current portfolio of FDM 3D printers from Stratasys.

Large part printed on the new FDM F770 3D printer

Stratasys F770 3D printer

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If you are not familiar with Fused Deposition Modeling technology, it is a powerful Stratasys-patented additive manufacturing method. FDM builds concept models, functional prototypes and end-use parts in standard, engineering-grade, and high-performance thermoplastics. Stratasys offers a wide range of printers that use FDM technology including the F123 series, F450, and F900.

Stratasys F770 is a large-format 3D printer with a small price tag. It has the longest heated build chamber on the market; the F900 has the largest. Print up to 46 inches long on the diagonal in the large 13 cubic foot build envelope. Print one large part, few medium parts, or many small parts! This printer will allow manufacturers to prototype and create production parts that are not possible on smaller printers.

Benefits of Stratasys F770 3D printer

  • Print-and-forget dependability: Get accurate print results along with the repeatability and reliability that FDM Technology™ is known for. Stratasys FDM build chamber design is time-tested, ensuring precise thermal management across the build platen. This gives you consistent, successful print results, whether parts are big or small.
  • Anyone can operate: 3D printing with the F770 is straightforward and requires no specialized training. It is designed with plug-and-print simplicity so virtually anyone can print large, complex parts quickly and easily. The user-friendly GrabCAD Print™ software makes the CAD-to-print workflow simple, so all you do is import your CAD model and press the print button.
  • 24/7 Operation: With 200 cubic inch material canisters, there is no need to constantly monitor the printer while it is operating. The F770 comes with a built-in camera that allows you to check on your prints via your mobile device.
  • Design freedom: The F770 uses soluble support material, which allows you to design and print your parts free from design-for-manufacturability constraints or limitations.

How does the F770 differ from other large-format FDM printers?

The most notable difference, besides the price is the material options available on the printer. The F770 3D printer offers printing in ASA and ABS-M30. These two materials are the most popular and widely used materials at Stratasys.

ABS-M30 is ideal for conceptual modeling, functional prototyping, manufacturing tools and production parts. It has greater tensile, impact, and flexural strength than standard ABS. ASA allows you to build consistently high-quality parts, with exceptional UV stability and the aesthetics. Its UV-resistance makes it especially suited in production parts for outdoor commercial and infrastructure use.

The F450 and F900 offer a wide range of thermoplastics with advanced mechanical properties so your parts can endure high heat, caustic chemicals, sterilization, and high impact applications. These printers offer materials like ULTEM 9085, a flame-retardant high-performance thermoplastic ideal for the transportation industry.

The production machines from Stratasys are workhorses! In many cases, they run 24 hours a day, 7 days a week. The F770 would be the perfect fit for a company that would like to offload their ASA and ABS-30 parts and allow for the production of high-end application parts to be printed on a F450 or F900 printers. It would also be a great option for a company that needs reliable, repeatable parts but does not have any specialized material requirements.

F770 example parts

Below is a comparison of the main features of the F770 and F900 3D printers:

Feature F770 F900
Build Area 39.4 x 24 x 24 inches 36 x 24 x 36 inches
Materials Model: ASA, ABS-M30
SR-30 Support
ABS-ESD7, ABSi, ABS-M30, ABS-M30i, Antero 800NAPC, PC-ABS, PC-ISO, PPSF, ULTEM 9085, ULTEM 1010, Nylon 12, Nylon 6, ST- 130, Nylon 12CF
Accuracy XY part – 0.010 in. or +/- 0.002 in/in, whichever is greater.

Z part – 0.008 in. or +/- 0.002 in./in. plus 1 layer height

0.020 INCH (0.508 MM), 0.013 INCH (0.330 MM), 0.010 INCH (0.254 MM), 0.007 INCH (0.178 MM). 0.005 INCH (0.127 MM)
Quick change head Yes – auto calibration option No – layer height calibrated tips
Layer height 0.178 or 0.254 or 0.330 mm [0.013, 0.010, 0.007 in] 0.508, 0.330, 0.254, 0.178, 0.127 mm [0.040, 0.020, 0.013, 0.010, 0.007, 0.005in]
Applications
  • Large part prototyping for fit and function with great appearance and little to no post finishing
  • Jigs and fixtures with material requirements met by ABS and ASA
  • Limited run production of ABS/ASA parts
  • Mid temp material portfolio
  • Highest requirement applications in production parts and tooling
  • Rigorous applications with speciality materials
  • Faster time to part requirements
  • Highest accuracy FDM
  • Small batch production of high temp materials
  • Specialized industry certifications

 

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Kelly Clancy