Nexa3D，总部位于美国的SLA 3D打印机制造商已启动了一个名为Xcure的新后处理系统。
The machine, which has been custom-made for use with Nexa’s flagship NXE400 3D printer, is reportedly capable of post-processing photoplastic-based parts consistently, and on a “production scale.” Nexa’s latest system has also been designed to cure photopolymer components in a user-friendly way, by streamlining workflows, and making process controls consistent, regardless of the part’s size or complexity.
Nexa3D联合创始人兼首席执行官Avi Reichental表示：“我们很高兴能将Xcure推向市场，强调了我们为制造全面验证的工作流解决方案的承诺。”“只有通过严格的开发，仿真和测试预测性和规定性端到端工作流程，我们才能解锁机械性能的全部范围和一致性。”
Nexa3D’s new xCure post-processing system
NEXA3D启动了XCURE，目的是使印刷零件最大化其材料的特性，同时增加了过程的整体可访问性。该公司的机器配备了六个高功率LED，可在356和405纳米的波长下运行，以及串行紫外线和热固化模式，可提供360°覆盖范围和均匀的固化周期。
该系统还包括规定的后处理菜单，使用户可以控制固化过程并提供经过验证的工作流程，而与印刷零件的结构和大小无关。除了确保尺寸准确性之外，该公司的专有软件还可以作为允许客户严格控制其零件的结构和分子完整性的一种访问方式。
What’s more, the machine’s impressive capacity of 21” x 20” x 32” (WDH), means that it can accommodate several individual components, up to a maximum volume of 16 liters. The system’s large processing chamber is able to hold up to three build plates simultaneously, allowing parts to be cured independently, according to their specific properties and needs.
Nexa’s new platform is designed to be user-friendly too, and it functions using a simple click-rotate and push system. Users can choose the most effective of three different curing modes including UV only, heat-only, and UV+heat, which act to enhance the material’s properties and maintain part performance.
NEXA3D的增长3D打印组合
Nexa3D specializes in making polymer-based 3D printers, that are powered by its proprietary润滑剂sublayer摄影固结(LSPc) and Quantum Laser Sintering (QLS) technologies. These manufacturing techniques are capable of reaching print speeds of up to 1 cm per minute, meaning that they can effectively reduce the time it takes to complete a 3D printing cycle.
The key to Nexa’s technology is a uniform light source, which is used to form a product in a layer-by-layer photopolymerization (SLA) 3D printing process. As an additional step, the company’s machines feature a self-lubricating membrane that’s used to ensure that the resin is evenly distributed across the system’s build plate.
该技术在Nexa的NXE400SLA 3D printer, which was first introduced atRAPID + TCT 2019, and now benefits from the custom-made xCure system. Leveraging LSPc, and an advanced resin bed system, the NXE400 is reportedly capable of producing parts six times faster than other Digital Light Processing (DLP) machines.
Nexa3D also markets a wide range of polymers including thexCE-Black, a single-cure thermoplastic with isotropic and long-term environmental stability properties. The company later introducedxClean, an eco-friendly solvent that’s well-suited to resin-based 3D printers, and thexCE-White, a photoplastic which is specifically designed to produce injection molding-level parts.
In recent years, Nexa has also partnered with other industry insiders to produce enhanced materials and enable new applications. Working with汉克尔例如，公司发展xMED412, a new 3D printing polymer for producing medical devices. Nexa has also partnered withDSMto accelerate the speed of itsQLS 350系统通过一项协议确保其可持续粉末被包括在每台QLS打印机中。
On this occasion, Nexa3D has decided to release a new hardware solution in the form of its new xCure post-processing system, as a means of producing better parts from its NXE400 SLA 3D printer.
3D印刷行业的后处理
Post-processing is a vital final stage of the 3D printing process, as it enables parts to be finished for end-use applications, and a number of firms have developed their own systems in recent years with this goal in mind.
后处理技术的先驱之一，AMT已经推出了一个chemical vapor smoothing technology对于由热塑性塑料制成的零件，这项技术是Postpro3D系列的一部分，也已受到英国的专利保护。
In terms of tanks,Post Process Technologies, an automated post-printing system manufacturer, has launchedDEMI 4000。The SLA resin removal machine is the largest submersion system on the market, holding up to 275 gallons of detergent.
As for colours,DyeMansion，一个正在整理的系统制造商，已添加17种新颜色to its palette, specifically designed for post-processing 3D printed grey HP MJF parts.
Austrian 3D printer manufacturer属，上个月启动了其第一个系统，该系统包括两个单元：F2 and G2。F2后处理单元与Xcure相似，因为它使用集成的磁性搅拌器洗涤并在Corcures 3D印刷组件。
US-based SLA 3D printer producerformlabs, recently launched itsForm Wash and Form Cure machines。The platforms allow users to post-process parts in a user-friendly way by “setting the time, and walking away,” according to David Lakatos, Chief Product Officer at Formlabs.
在其他地方，后处理系统生产商LuxYours, has obtained a patent for itsIterative Flux Smoothing(IFS) system. IFS combines several chambers to form a closed volume, where 3D printed parts can be pre-conditioned separately and smoothed together.
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Featured image shows Nexa 3D’s post-processing device, xCure, with six high power LED lights turned on. Photo via Nexa 3D
