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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.
Markforged makes industry-leading 3D printers for applications in engineering, manufacturing, product design and functional prototyping. Print metal, carbon fibre, high-temp fibreglass, fibreglass, Kevlar and more. Print parts, tools, and fixtures stronger than metal, or even in metal. The possibilities are endless, and the 3D printers are tried, tested and proven in industry. Quality is the Markforged difference. This is a brand you can rely on to deliver consistency every time.
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New for 2019, A2 Tool Steel from Markforged is a general-purpose steel for use with the Metal X. It is printed by the Metal X with plastic support material, and then sintered externally in a furnace to fuse solid. After sintering, parts have the strength and mechanical properties of solid metal in all directions.
A2 Tool Steel is a universal air hardening cold work steel well-suited to tooling. It has approximately 5% chromium content, giving it good hardness. It is easy to machine and holds an edge, making it suitable for cutting and forming, blanking tools, punches, dies, gauges and sheet metal fabrication, or indeed any application where good wear resistance as well as good toughness are required.
Parts 3D printed in A2 Tool Steel can be transformed into solid metal parts in just a few hours with a non-vacuum furnace. Parts should be heated to 970°C (1780°F) and single tempered at 200°C for at least 30 minutes. You can increase hardness and durability with air quenching and double tempering, which is optional.
As a general rule of thumb, tempering A2 Tool Steel at a lower temperature increases hardness; tempering at a higher temperature increases toughness. Follow best practice and you’ll have super-durable solid metal tools in no time.
Many 3D printers lay claim to being ‘industrial-grade’ but when you delve into their material list, rarely do you find anything more durable than nylon.
That’s where Markforged 3D printers differ. In the case of the Desktop and Industrial series 3D printers, these use nylon or Onyx as the base material (Onyx is a proprietary filament made by Markforged, it’s part nylon, part chopped carbon fibre). You can then reinforce prints with continuous strands of a stronger composite - carbon fibre, fibreglass, or Kevlar - to create truly industrial-grade prototypes and end-use parts.
For example, parts printed in carbon fibre are stronger than 6061-T6 aluminium. The Desktop series includes the Mark Two, Onyx One and Onyx Pro, and the Industrial series the X7, X5, and X3. There’s a printer for every application.
Then there’s the Metal X, Markforged’s greatest machine yet. This 3D printer utilises a process called ADAM (Atomic Diffusion Additive Manufacturing) to print parts in powdered metal surrounded by a plastic support. The parts are then sintered in a furnace externally to become solid. This enables you to manufacture metal parts with geometries and details that would be impossible with subtractive manufacturing processes.