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We are the 3D printing arm of a larger company called Express Group Ltd. Fixing printers since 1988, today we are a Specialist Parts Distributor and Experts in 3D Printing.
We take quality control very seriously, which is why we are audited for ISO9001:2015 certification, this helps ensure we provide great customer service.
3D printers have been in use in the manufacturing industry for more than thirty years, but it is only really in the last ten that the market has opened itself up to other applications on a large scale, such as mould making for investment casting and tooling. Applications are also emerging for the medical and dental fields.
All of which is to say, 3D printing is no longer constrained by manufacturing limitations or design complexity; and as a result, it is seeing incredible growth.
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New for 2019, the 3DGence INDUSTRY F420 is a dual extruder FDM (fused deposition modelling) 3D printer designed to print high-performance engineering plastics, including PEEK and ULTEM AM9085F, ABS, PLA, ASA, PC and PA6/69.
The eagle-eyed among you will note these materials have melting points as low as 280°C and as high as 500°C. The INDUSTRY F420 copes with this temperature range with modular (interchangeable) print modules.
The Module M280, Module M360 and Module M500 print at temperatures up to 280°C, 360°C and 500°C respectively, allowing you to print standard plastics like ABS and PLA, and more advanced materials like PEEK and ULTEM.
Speed and features
The INDUSTRY F420 can reliably print 24/7 with minimal human input. The 3D printing experience is self-contained in an actively heated build chamber, so you can rely on it to create parts and models that are true to design.
With 1 m/s of travel speed and a print speed of up to 400 mm/s, the INDUSTRY F420 delivers a fast printing experience too. The extrusion system is designed to speed up build time beyond that which a normal printer can.
Other features include a dual-function print bed with a glass or plastic surface, automatic spool changing mid-print, a smart material manager with NFC, an advanced ULT filtration unit which reduces emissions, and safety features like an electronic lock with cloud control and sensors for monitoring power and output.
For those of you interested in a 3DGence printer, it’s important to note the INDUSTRY F420 is not just a bigger version of the F340. The F420 is the newer and more advanced machine, with better mechatronics, better modules and a better mainboard.
“With 1m/s travel speed and printing speed up to 400 mm/s, it makes the machine a perfect choice if you want to cut manufacturing costs and print spare parts to dramatically reduced own times. This 3D printer is a perfect tool for quick production of end-use parts that can be used in final productsu”
–Remigiusz Synowiec, Product Manager, 3DGence
The best 3D printers fabricate models and parts that are true to design. In other words, models and parts that are a perfect physical representation of the digital model drawn in CAD. To achieve this high degree of dimensional accuracy, printers must produce a very fine edge across the build area. This is how we perceive parts to be high quality or not when we look at them and inspect them.
Of course, multiple variables determine how fine that edge is, and you cannot always rely on the quantitative values manufacturers place on their 3D printers. If we did, every printer on the market would be pinpoint accurate.
When you are shopping for your next printer, consider this: accuracy is the value that determines how close a 3D printed part is to its digital drawing. Precision refers to the repeatability experience of a printer, or how reliable the printing experience is. If you want a consistently good 3D printing experience, you need both.
The two most common 3D printer technologies are FFF and SLA.
The most common technology is fused filament fabrication (FFF), also known as fused deposition modelling (FDM). Both technologies are in fact one in the same.
These 3D printers are the lowest cost. They melt a plastic and extrude it layer-by-layer to build up models from nothing. This process is traditionally best suited to low-cost prototyping, but advancements in technology mean this is no longer the case. There’re more variables that can affect the quality of a print with FFF than SLA, but solutions like an enclosed build chamber and heated build plate reduce this.
SLA (stereolithography) 3D printers use a laser to cure resin (liquid plastic) onto the build platform in desired areas.
Unlike with an FFF 3D printed part, parts printed by an SLA 3D printer need to be post-processed with UV light. This cures the resin, causing it to solidify and reach the mechanical properties required for the application. The method of production is cure, peel, raise, with the laser curing the resin layer by layer; the peel mechanism lifting each new layer off the surface; and the raising action allowing new resin to flow under the build platform.
3D printers are available in all shapes and sizes to suit any project, but there are two common classes: desktop, and large-format.
Desktop printers do exactly what they say on the tin - they fit on a desktop (or most workspaces) and take up around the same footprint as a large LaserJet printer. Large-format printers are four or five times bigger, enabling you to manufacture models and parts like car bumpers and snowboards in one go.
You’ll find the bigger you go, the rarer photopolymer technologies like SLA and DLP (digital light processing) become. This is because they get very expensive as you scale up. Most large-format 3D printers are of the FFF variety because the technology is cheaper and easier to produce on a large, industrial scale.