--- id: "knowledge-industry-applications-en" title: "Industry Applications" description: "Application-focused analysis of AI liquid cooling, humanoid robot joints, and optical transceiver structural parts." source: "/en/knowledge/industry-applications" language: "en" generated: true --- # Industry Applications Application-focused analysis of AI liquid cooling, humanoid robot joints, and optical transceiver structural parts. Practical technical resources for product design, drawing review, manufacturing decisions, quality validation, and production launch. ## All articles ### [What Is Liquid Cooling? A Complete Guide for AI Servers and Data Centers](/en/resources/what-is-data-center-liquid-cooling) A complete guide to AI server and data center liquid cooling, covering principles, air and water cooling differences, direct-to-chip and immersion architectures, cold plates, manifolds, CDUs, manufacturing CTQs, validation and RFQ requirements. ### [China's Humanoid Robot Core Component Supply Chain: Actuators, Reducers, Motors, Sensors and Precision Manufacturing Companies](/en/resources/china-humanoid-robot-core-components-supply-chain) Using industry studies from Guosen Securities and Dagong Global Credit Rating, this article maps China's humanoid robot value chain from upstream core components to robot integration and applications, with a focus on reducers, screws, motors, bearings, sensors, dexterous hands, joint modules and precision structures. ### [What Precision Structural Parts Make Up a High-Speed Optical Transceiver? Housings, Thermal Lids, Bases, Pull Tabs and Functional Interfaces](/en/resources/high-speed-optical-transceiver-precision-parts) A manufacturing-focused breakdown of thermal lids, precision bases, heatsinks, front panels, optical ports, pull tabs and latch structures, explaining which interfaces control thermal transfer, assembly, insertion, EMI performance and production stability. ### [Server Liquid Cooling Components: Cold Plates, Manifolds, CDUs and Quick Disconnects](/en/resources/server-liquid-cooling-components) A component-level guide to server liquid cooling BOMs, covering cold plates, server and rack manifolds, quick disconnects, tubing, CDUs, sensors, leak detection and precision-manufactured structural parts. ### [What Is Inside a Humanoid Robot Joint Actuator? Components, Interfaces and Machining Priorities](/en/resources/humanoid-robot-joint-actuator-components-machining) Explore the motor, reducer, bearings, encoders, output flange and actuator housing inside a humanoid robot joint, with a focus on torque flow, alignment, lightweight design and precision machining interfaces. ### [800G vs 1.6T Optical Transceivers: OSFP, QSFP-DD, Thermal Design and Structural Changes](/en/resources/800g-vs-1-6t-optical-transceivers) A manufacturing-focused comparison of 800G and 1.6T optical transceivers covering aggregate bandwidth, electrical lane rates, OSFP and QSFP-DD form factors, thermal density, structural-part CTQs, production risks and RFQ inputs. ### [Data Center Liquid Cooling Explained: Architecture, Components and Manufacturing Interfaces](/en/resources/data-center-liquid-cooling-system-architecture) Follow the heat path from chips to facility water and understand the cold plates, server manifolds, rack manifolds, CDUs, quick disconnects and manufacturing interfaces used in data center liquid cooling. ### [Leading Humanoid Robot Technology Compared: Tesla Optimus, Unitree G1/H1, Figure 03, Atlas and NEO](/en/resources/global-humanoid-robot-technology-comparison) A manufacturing-focused comparison of Tesla Optimus, Unitree G1/H1, Figure 03, Boston Dynamics Atlas and 1X NEO, covering joint actuation, transmission, structure, compliance, safety, AI control and production strategy based on public information available through August 2026. ### [Pluggable Optics, LPO, NPO and CPO: Architecture, Thermal Design and Precision-Manufacturing Opportunities](/en/resources/pluggable-optics-lpo-npo-cpo-comparison) A manufacturing-focused comparison of retimed pluggable optics, LPO, NPO and CPO across signal-processing boundaries, optical-engine location, lasers, cooling, serviceability, precision structures, liquid-cooling parts and RFQ inputs. ### [Direct-to-Chip vs Immersion Cooling: Architecture, Applications and Manufacturing Opportunities](/en/resources/direct-to-chip-vs-immersion-cooling) Compare direct-to-chip and immersion cooling for data centers, including heat paths, system components, fluids, material compatibility, service models, manufacturing CTQs and precision-part opportunities. ### [Why Are Humanoid Robots So Expensive? Actuators, Dexterous Hands, Sensors and Core Component Costs](/en/resources/humanoid-robot-price-core-components) A manufacturing-focused breakdown of humanoid robot price drivers, including joint actuators, reducers, motors, encoders, bearings, dexterous hands, sensors, computing, structural parts, assembly and calibration from prototype to mass production. ### [Silicon Photonics vs EML Optical Transceivers: Light Source, Modulation, Packaging, Thermal Design and Precision Structures](/en/resources/silicon-photonics-vs-eml-optical-transceivers) A manufacturing-focused comparison of silicon-photonics and EML architectures in 800G and 1.6T transceivers, covering laser integration, optical-engine layout, hotspots, fiber interfaces, precision bases, thermal lids, CTQs, prototype validation and production transfer. ### [How Are Humanoid Robot Skeleton Structures Manufactured? Lightweight Torso, Pelvis and Limb Frames](/en/resources/humanoid-robot-skeleton-frame-manufacturing) A manufacturing guide to load paths, mass distribution, topology optimization, materials, joint interfaces, thin-wall distortion, tolerance chains and validation for humanoid torso, pelvis and limb frames. ### [Global AI Optical Transceiver Supply Chain: How InnoLight, Eoptolink and Coherent Are Positioned Across 800G, 1.6T and CPO](/en/resources/global-ai-optical-transceiver-supply-chain) A manufacturing-focused map of the global AI optics supply chain, from lasers, photonic devices, PAM4 DSPs and optical engines to 800G and 1.6T pluggable transceivers, switching silicon, CPO systems, thermal structures and precision manufacturing. ### [How Are Humanoid Robot Shoulder and Arm Joints Manufactured? 3-DoF Shoulders, Lightweight Arms, Elbows and Cable Routing](/en/resources/humanoid-robot-shoulder-arm-joint-manufacturing) A manufacturing guide to shoulder degrees of freedom, axis geometry, lightweight upper-arm frames, elbow joints, reducer and bearing interfaces, cable routing, backlash, torque sensing, modular assembly and full-arm calibration. ### [How Are Humanoid Robot Waist and Torso Joints Manufactured? 3-DoF Motion, Lightweight Frames, Load Paths and Calibration](/en/resources/humanoid-robot-waist-torso-joint-manufacturing) A manufacturing guide to waist degrees of freedom, serial and coupled transmissions, bearing seats, axis alignment, torso stiffness, cable routing, center of mass, backlash, torque sensing, modular assembly and full-body calibration. ### [How Are Humanoid Robot Hip and Knee Joints Manufactured? High-Torque Actuators, Thigh Frames, Impact Loads and Gait Calibration](/en/resources/humanoid-robot-hip-knee-joint-manufacturing) Using public technology from Tesla Optimus, Unitree H1/G1, Honda ASIMO and Boston Dynamics Atlas, this article explains hip and knee architecture, high-torque actuators, lightweight thigh frames, impact resistance, harnesses and gait calibration. ### [How Are Humanoid Robot Feet Manufactured? Ankle Interfaces, Foot Frames, Force Sensing and Impact Control](/en/resources/humanoid-robot-foot-ankle-manufacturing) A manufacturing guide to foot load paths, ankle interfaces, sole frames, six-axis force sensors, compliant structures, thin-wall machining, landing impact and production calibration. ### [How Are Humanoid Robot Hand Skeletons Manufactured? Palm Frames, Finger Links, Joints, Tendons and Tactile Interfaces](/en/resources/humanoid-robot-hand-finger-skeleton-manufacturing) A manufacturing guide to palm frames, thumb opposition, finger links, joint pins, tendon transmission, compliance, tactile sensing, friction, backlash, calibration and production maintenance. ### [Unitree G1 vs H1: Size, Joint Torque, Degrees of Freedom and Applications](/en/resources/unitree-g1-vs-h1-comparison) A manufacturing-focused comparison of Unitree G1 and H1/H1-2 based on official information available through August 2026, covering size, weight, DOF, joint torque, speed, payload, development access, applications and precision manufacturing requirements. ### [How Aluminum Front Frames for AI Smart Glasses Are Made: 5-Axis CNC, Thin-Wall Distortion, Anodizing and Assembly CTQs](/en/resources/ai-smart-glasses-aluminum-front-frame-manufacturing) A manufacturing guide to multi-style development, aluminum stock, 5-axis CNC, thin-wall distortion, cosmetic toolpaths, anodizing, aluminum and PA part assembly, optical datums and production inspection for AI smart-glasses front frames. ### [What Is Embodied AI? One Intelligent Agent Across Different Robot Forms and Precision Manufacturing](/en/resources/embodied-ai-humanoid-robot-precision-manufacturing) A manufacturing-focused explanation of embodied AI: how one intelligent agent can be adapted to humanoid, quadruped, mobile manipulator, industrial and specialized robots, and how AI commands become physical motion through actuators and precision mechanical components. ### [How to Choose Materials for Fishing Reel Handle Knobs: Carbon Fiber, Aluminum, Titanium, Plastics and Custom Manufacturing](/en/resources/fishing-reel-handle-knob-material-selection-custom-manufacturing) Compare carbon fiber, forged carbon, aluminum, titanium, stainless steel, engineering plastics and EVA for fishing reel handle knobs, then connect material choice to ergonomics, bearings, shaft interfaces, saltwater durability, CTQs and custom manufacturing. ### [How Are Robot Dogs Made? Precision Manufacturing of Quadruped Robot Leg Joints, Actuators, Links, and Foot Structures](/en/resources/quadruped-robot-leg-joint-precision-manufacturing) Understand quadruped robots from a manufacturing perspective: hip joints, knee joints, actuators, leg links, and foot structures, as well as key CTQs such as coaxiality, bearing seats, impact loading, fatigue, sealing, and production consistency. ### [Fishing Reel Aluminum Surface Finishing: Anodizing, Polishing and Color Consistency Control](/en/resources/fishing-reel-aluminum-anodizing-cosmetic-finish-control) A manufacturing guide to anodized fishing reel frames, side plates, spools and handle parts, covering CNC texture, polishing or blasting, color variation, masking, functional fits, cosmetic standards and batch consistency. ### [Why Fishing Reel Frames and Side Plates Deform: Thin-Wall Aluminum CNC Machining and Dimensional Control](/en/resources/fishing-reel-frame-side-plate-deformation-control) Learn why thin-wall fishing reel frames and side plates can deform after CNC machining, unclamping, surface finishing and assembly, and how CTQs such as bearing bores, datums and axis relationships should be controlled. ### [Why Fishing Reel Gears Feel Smooth or Rough: Center Distance, Shaft Alignment, Bearing Seats and Gear Mesh](/en/resources/fishing-reel-gear-shaft-bearing-alignment) A manufacturing guide to fishing reel gear feel, explaining how main gear and pinion accuracy, center distance, shaft alignment, bearing seats, runout, shims, burrs and assembly stack-up determine actual gear mesh. ### [How Fishing Reel Spools Are Machined: Thin-Wall Distortion, Shaft Runout, Dynamic Balance and Surface Finishing](/en/resources/fishing-reel-spool-machining-runout-balance) A manufacturing guide to fishing reel spool machining for baitcasting and conventional reels, covering thin-wall distortion, shaft runout, radial and face runout, dynamic balance, anodizing, CTQs and production control. ### [Harmonic Reducer vs Planetary Gear Reducer for Humanoid Robots: Design, Selection and Precision Machining](/en/resources/humanoid-robot-harmonic-vs-planetary-reducers) Compare harmonic and planetary reducers for humanoid robot joints by architecture, ratio, backlash, stiffness, efficiency and shock loading, then connect those choices to actuator housings, bearing seats, reducer interfaces, output flanges and machining CTQs. ### [Why Primary-Secondary Integrated Pole-Mounted Circuit Breakers Use Cast-Aluminum Sealed Housings](/en/resources/primary-secondary-fusion-circuit-breaker-cast-aluminum-housing) Using the ZW68-12 as a case study, this article explains ZL104-T6 sealed cast-aluminum housings for dry-air insulated pole-mounted breakers, including flange flatness, O-ring grooves, bearing seats, casting defects, leak testing and production CTQs. ### [Why Are Next-Generation AI Servers Moving from 54V to 800VDC? Precision-Manufactured Parts in AI Rack Power Systems](/en/resources/ai-rack-54v-to-800vdc-precision-manufacturing) Starting with the current difference between 54V and 800VDC at a 1MW rack, this article explains NVIDIA's 800VDC AI Factory architecture, power sidecars, DC/DC conversion, busbars, backup units and the precision-manufactured mechanical and thermal parts that matter most. ### [Why Does CPO Move Optics Inside the AI Switch? How Precision Structures, Thermal Management and CTQs Change](/en/resources/cpo-ai-switch-precision-structures-thermal-management) As co-packaged optics moves optical engines from the faceplate to millimeters from the switch ASIC, mechanical value shifts from small pluggable housings toward optical-engine carriers, heat spreaders, switch cold plates, fiber-management structures and system datums. This article translates five-language research into manufacturing CTQs and a practical Zhongde manufacturing scope. ### [How Dual-Arm Embodied Robots Sort Parcels: What 1,200 Items per Hour at Guangzhou Post Tells Us](/en/resources/dual-arm-embodied-robot-parcel-sorting) A manufacturing-focused look at fixed-workstation dual-arm parcel sorting robots, including flexible parcel handling, joint architecture, CTQs, lightweight structures and the path from prototype to repeatable production. ### [Humanoid Robot Joints Are Becoming Platformized: How Standard Actuators Could Reshape Precision Parts Supply Chains](/en/resources/humanoid-robot-actuator-platform-standardization) Using Schaeffler’s XXS-to-XL rotary actuator platform as a starting point, this article explains how actuator families could shift humanoid joint parts such as housings, shafts and output flanges from prototype job-shop work toward repeatable series production. ### [Why High-Power PCS Is Moving to Liquid Cooling: IGBT/SiC Cold Plates and Manifolds Explained](/en/resources/liquid-cooled-pcs-igbt-sic-cold-plate-manifold) A manufacturing-focused guide to liquid-cooled PCS thermal management, covering IGBT and SiC power modules, cold plates, manifolds, flatness, flow channels, joining, leak testing, corrosion and production scale-up. ### [From 90% to 100% Heat Capture: Why AI Servers Need Full Liquid Cooling in the Rubin Era](/en/resources/rubin-100-percent-liquid-cooling-heat-capture) A manufacturing-focused analysis of why 500kW AI racks push heat capture from 90% toward 100%, and how wider liquid-cooling coverage changes cold plates, manifolds, quick-disconnect interfaces, pressure drop, cleanliness, corrosion control and precision manufacturing.