Organic-looking brake assemblies debut on new Czinger 21C Spyder 有机外观制动组件首次亮相于新款Czinger 21C Spyder

TL;DR

• Czinger unveiled the BrakeNode, an integrated brake assembly combining caliper, upright, and hydraulic fluid passages into a single 3D-printed aluminum alloy structure
• The BrakeNode reduces unsprung mass by up to 30% compared to conventional brake assemblies, with an additional 6 lbs (2.7 kg) savings on the 21C Spyder
• This marks the first production debut of the technology, previously shown as a prototype at the 2023 Goodwood Festival of Speed
• The integrated design simplifies maintenance with a bottom drain plug, top-slotted pads, and outward-tilting rotors, eliminating the need to disconnect a caliper
• Czinger's direct-metal laser-sintering approach, originally developed at Divergent 3D, has now attracted automotive and aerospace clients beyond their own vehicles

Why It Matters

Additive manufacturing in automotive applications is transitioning from prototype to production, demonstrating that 3D-printed integrated components can deliver measurable performance gains in weight reduction and serviceability. This has broader implications for how high-performance and eventually mainstream vehicles approach component design, potentially reducing part counts and supply chain complexity across the industry.

Technical Details

• Direct-metal laser sintering (DMLS): Czinger uses DMLS to print the BrakeNode from a custom aluminum alloy, fusing the caliper, suspension upright, and hydraulic passages into a single monolithic structure
• Topology optimization: The organic-looking structural shapes are algorithmically optimized to minimize mass while maintaining or exceeding the performance of traditionally manufactured alternatives
• Unsprung mass reduction: Up to 30% lighter than standard brake assemblies; the 21C Spyder sees an additional 6 lbs (2.7 kg) reduction since its suspension upright was already additively manufactured
• Serviceability design: Features a bottom drain plug for fluid bleeding, top-loading brake pads, and rotors that tilt outward for access—no caliper disconnection required
• Production scope: Standard on the 21C Spyder (30 units), available as an option on the 21C HDF and 21C VMax, and retrofittable on existing 21C owners

Industry Insight

• Additive manufacturing is reaching a inflection point where integrated single-piece components move from novelty to production reality, potentially disrupting traditional multi-part supply chains in automotive and aerospace
• The serviceability advantage of the BrakeNode counters a common criticism of 3D-printed parts—that they are harder to maintain—suggesting design-for-manufacturability must accompany the technology, not just follow it
• Czinger's strategy of "eating their own dog food" by using their technology in their own cars before selling it as a supplier solution is a compelling go-to-market model that other deep-tech startups should study

摘要

Czinger 发布了 BrakeNode，这是一种集成式制动总成，将卡钳、转向节和液压流体通道整合为单一 3D 打印铝合金结构
与传统制动总成相比，BrakeNode 可减少高达 30% 的簧下质量，在 21C Spyder 车型上还可额外减重 6 磅（2.7 公斤）
这是该技术首次实现量产装车，此前曾作为原型在 2023 年古德伍德速度节上亮相
集成式设计简化了维护流程，配备底部放油塞、顶部开槽刹车片和向外倾斜的制动盘，无需拆卸卡钳即可维护
Czinger 采用的直接金属激光烧结技术最初由 Divergent 3D 开发，现已吸引汽车和航空航天领域的客户，应用范围已超越其自有车辆

深度分析

一句话总结

• Czinger 发布了 BrakeNode，这是一种集成式制动总成，将卡钳、转向节和液压流体通道整合为单一 3D 打印铝合金结构
• 与传统制动总成相比，BrakeNode 可减少高达 30% 的簧下质量，在 21C Spyder 车型上还可额外减重 6 磅（2.7 公斤）
• 这是该技术首次实现量产装车，此前曾作为原型在 2023 年古德伍德速度节上亮相
• 集成式设计简化了维护流程，配备底部放油塞、顶部开槽刹车片和向外倾斜的制动盘，无需拆卸卡钳即可维护
• Czinger 采用的直接金属激光烧结技术最初由 Divergent 3D 开发，现已吸引汽车和航空航天领域的客户，应用范围已超越其自有车辆

为何重要

增材制造在汽车领域的应用正从原型开发转向量产，证明了 3D 打印的集成部件能在减重和可维护性方面带来可量化的性能提升。这对高性能汽车乃至主流车型如何设计零部件具有更广泛的影响，有望减少行业内的零件数量和供应链复杂性。

技术细节

• 直接金属激光烧结（DMLS）： Czinger 使用 DMLS 技术，以定制铝合金打印 BrakeNode，将卡钳、悬挂转向节和液压通道融合为单一整体结构
• 拓扑优化： 这些具有有机形态的结构形状通过算法优化，在保持或超越传统制造部件性能的同时实现质量最小化
• 簧下质量