Key Design Capabilities – Dies and Tools

RIKUN Design of Dies and Tools division provide a wide range of designing Dies and Tooling capabilities, particularly in the production of Stamping, injection molding, electronic components and devices.

Key Manufacturing Capabilities – EMS

RIKUN EMS (Electronics Manufacturing Services) division provide a wide range of manufacturing capabilities, particularly in the production of electronic components and devices. Key capabilities for EMS include:

  1. PCB Assembly (Printed Circuit Board): EMS companies are equipped to assemble PCBs, which involves placing electronic components onto the board’s surface and soldering them into place. This can be done through surface-mount technology (SMT), through-hole technology (THT), or a combination of both.
  2. Surface Mount Technology (SMT): SMT is a method for mounting electronic components directly onto the surface of a PCB. EMS providers utilize specialized equipment like pick-and-place machines and reflow ovens to accurately place and solder components onto the PCB.
  3. Through-Hole Technology (THT): THT involves mounting components by inserting their leads through holes drilled in the PCB and soldering them on the opposite side. EMS companies may employ wave soldering or manual soldering techniques for THT assembly.
  4. Box Build Assembly: EMS providers offer assembly services for complete electronic products or devices, including enclosure assembly, integration of PCBs, wiring harnesses, displays, and other components into the final product.
  5. Prototyping and Design for Manufacturing (DFM): EMS companies often assist in the prototyping phase of electronic products, providing design feedback to optimize manufacturability, cost, and performance.
  6. Supply Chain Management: EMS providers manage the supply chain for electronic components, sourcing materials from suppliers, managing inventory, and ensuring timely delivery to meet production schedules.
  7. Testing and Quality Control: EMS companies conduct various testing procedures to ensure the quality and functionality of electronic products. This may include automated optical inspection (AOI), in-circuit testing (ICT), functional testing, and environmental testing (e.g., temperature, humidity, vibration).
  8. Component Procurement and Cost Optimization: EMS companies leverage their purchasing power and relationships with suppliers to procure electronic components at competitive prices. They also work to optimize costs through value engineering and supply chain efficiencies.
  9. Certifications and Compliance: EMS providers adhere to industry standards and certifications such as ISO 9001 (Quality Management), ISO 13485 (Medical Devices), ISO 14001 (Environmental Management), and industry-specific standards like IPC-A-610 (Acceptability of Electronic Assemblies).
  10. Customization and Flexibility: EMS companies offer customization options to meet the unique requirements of clients, including design modifications, product configuration, and assembly flexibility to accommodate changes in demand or product specifications.
  11. Logistics and Fulfillment: EMS providers manage logistics and fulfillment services, including packaging, labeling, and shipping of finished products to customers or distribution centers.
  12. Lifecycle Support: EMS companies often provide post-production support services such as repair, refurbishment, warranty management, and end-of-life product management.

These capabilities enable EMS companies to serve a wide range of industries, including telecommunications, automotive, aerospace, healthcare, consumer electronics, and industrial automation.

Key Manufacturing Capabilities – EV

RIKUN EV Division manufacturing capabilities for electric vehicle (EV) battery packs are crucial for the production of reliable, high-performance batteries. Key capabilities in this domain include:

  1. Cell Selection and Procurement: Choosing the right battery cells is fundamental. This involves selecting cells based on factors such as energy density, power density, cycle life, safety, and cost. Procurement involves establishing relationships with cell suppliers and managing the supply chain for consistent cell quality and availability.
  2. Battery Pack Design: Designing the battery pack involves determining the arrangement and configuration of battery cells within the pack, as well as designing the pack’s housing, thermal management system, electrical connections, and safety features. Design considerations also include factors like weight distribution, space utilization, and crashworthiness.
  3. Battery Management System (BMS): The BMS is essential for monitoring and managing the performance, health, and safety of the battery pack. It includes functions such as cell balancing, temperature monitoring, state-of-charge estimation, fault detection, and thermal management control.
  4. Cell Testing and Characterization: Testing and characterizing battery cells ensure that they meet specified performance and safety requirements. This includes testing for parameters such as capacity, voltage, internal resistance, and cycle life under various operating conditions.
  5. Cell Assembly: Cell assembly involves assembling individual battery cells into modules or packs. This may include processes such as welding or bonding electrical connections, installing thermal management components (e.g., cooling plates or liquid cooling loops), and encapsulating cells for safety and insulation.
  6. Packaging and Enclosure: The battery pack requires a protective housing or enclosure to shield it from environmental factors and mechanical damage. This may involve designing and manufacturing custom enclosures using materials that provide structural integrity, thermal insulation, and electrical isolation.
  7. Thermal Management: Maintaining optimal operating temperatures is critical for battery performance, safety, and longevity. Thermal management systems may include passive methods (e.g., heat sinks, phase change materials) and active methods (e.g., liquid or air cooling systems) to regulate temperature within the battery pack.
  8. Safety Features: Battery packs incorporate safety features to mitigate risks associated with thermal runaway, overcharging, short circuits, and mechanical abuse. These features may include fuses, thermal cutoff devices, pressure relief valves, and flame-retardant materials.
  9. Integration with Vehicle Systems: Battery packs must be seamlessly integrated with the vehicle’s electrical and mechanical systems. This includes designing interfaces for power distribution, communication with vehicle control systems, and mechanical mounting and attachment points.
  10. Testing and Validation: Comprehensive testing and validation processes are essential to ensure that battery packs meet performance, safety, and regulatory requirements. This includes testing for electrical performance, thermal performance, mechanical durability, and environmental reliability (e.g., vibration, shock, temperature cycling).
  11. Scalability and Manufacturing Efficiency: EV battery pack manufacturing must be scalable to meet the growing demand for electric vehicles. This involves optimizing manufacturing processes for efficiency, yield, and cost-effectiveness through automation, standardization, and continuous improvement initiatives.
  12. Recycling and End-of-Life Management: Developing strategies for battery recycling and end-of-life management is critical for sustainability. This includes designing batteries for easy disassembly and recycling of materials such as lithium, cobalt, nickel, and aluminum.

These capabilities enable the production of high-quality, reliable, and safe battery packs that are essential for the widespread adoption of electric vehicles.

Key Testing Capabilities for EMS and EV

RIKUN Testing capabilities for EMS (Electronics Manufacturing Services) and EV (Electric Vehicle) systems are critical to ensure product quality, reliability, and compliance with industry standards. Here are key testing capabilities for both EMS and EV:

EMS Testing Capabilities:

  1. In-Circuit Testing (ICT): ICT is used to test the electrical characteristics of individual components and circuits on assembled PCBs. It helps identify defects such as open circuits, shorts, incorrect component values, and soldering issues.
  2. Functional Testing: Functional testing verifies that the electronic assembly or product operates correctly according to its intended functionality. It involves applying input signals and stimuli to the device and analyzing output responses to ensure proper operation.
  3. Automated Optical Inspection (AOI): AOI systems use cameras and image processing algorithms to inspect PCBs for defects such as missing components, misalignment, solder bridging, and solder joint quality. It helps detect defects quickly and accurately in high-volume production environments.
  4. X-ray Inspection: X-ray inspection is used to inspect hidden solder joints, detect defects in complex assemblies, and assess component placement accuracy. It is particularly useful for inspecting BGA (Ball Grid Array) and other fine-pitch components.
  5. Boundary Scan Testing (JTAG): Boundary scan testing verifies the interconnects and functionality of digital components on a PCB. It is used for structural testing, programming, and debugging of digital circuits, especially in complex PCB assemblies.
  6. Environmental Testing: Environmental testing subjects electronic assemblies to various environmental conditions such as temperature, humidity, vibration, and mechanical shock to assess their performance under real-world conditions and ensure reliability.
  7. EMC/EMI Testing: Electromagnetic Compatibility (EMC) and Electromagnetic Interference (EMI) testing verify that electronic devices comply with regulatory standards for emissions and immunity to electromagnetic interference.
  8. Burn-in Testing: Burn-in testing involves stressing electronic assemblies under elevated temperature and voltage conditions for an extended period to accelerate potential failures and ensure long-term reliability.
  9. Reliability Testing: Reliability testing assesses the long-term performance and durability of electronic assemblies under normal operating conditions. It may include tests such as accelerated life testing, temperature cycling, and humidity testing.
  10. Custom Test Development: EMS providers may develop custom test fixtures, software, and test procedures tailored to specific customer requirements or product configurations.

EV Testing Capabilities:

  1. Battery Performance Testing: EV battery performance testing evaluates parameters such as capacity, voltage, energy density, and cycle life to ensure that batteries meet specified performance requirements.
  2. Battery Safety Testing: Battery safety testing assesses the safety characteristics of EV batteries under various conditions, including overcharging, short circuits, thermal runaway, and mechanical abuse. It helps ensure that batteries meet safety standards and regulations.
  3. Cell Balancing Testing: Cell balancing testing verifies the effectiveness of the battery management system (BMS) in balancing cell voltages to maximize battery capacity, lifespan, and safety.
  4. Charging and Discharging Testing: Charging and discharging testing evaluates the efficiency and performance of EV charging systems, including charging time, energy efficiency, and compatibility with different charging standards.
  5. Drive Cycle Testing: Drive cycle testing simulates real-world driving conditions to assess the performance, range, and energy consumption of electric vehicles under different operating scenarios.
  6. Powertrain Testing: Powertrain testing evaluates the performance and efficiency of EV propulsion systems, including motors, inverters, and transmissions, to ensure optimal operation and reliability.
  7. Regenerative Braking Testing: Regenerative braking testing assesses the effectiveness of regenerative braking systems in recovering energy during deceleration and optimizing overall vehicle efficiency.
  8. Durability Testing: Durability testing subjects EV components and systems to long-term stress and usage conditions to identify potential failures and weaknesses that could affect reliability and performance over time.
  9. Crash Testing: Crash testing evaluates the structural integrity and safety features of EVs under collision scenarios to ensure compliance with safety regulations and standards.
  10. Environmental Testing: Environmental testing assesses the performance of EV components and systems under various environmental conditions, including temperature extremes, humidity, salt spray, and corrosive environments.
  11. Certification and Compliance Testing: EVs and their components undergo certification and compliance testing to ensure compliance with safety, emissions, and performance standards set by regulatory agencies and industry organizations.

Both EMS and EV testing capabilities are essential for delivering high-quality electronic products and electric vehicles that meet customer expectations, regulatory requirements, and industry standards.

Key Manufacturing Capabilities – Stamping and Fabrication

RIKUN Stamping and Fabrication involves a range of processes aimed at shaping, cutting, and assembling metal materials to create various structures and components. Key manufacturing capabilities for metal fabrication typically include:

  1. Cutting: This involves various methods such as laser cutting, plasma cutting, water jet cutting, and traditional methods like sawing or shearing to cut metal sheets or bars into desired shapes and sizes.
  2. Forming: Metal forming techniques include bending, rolling, stamping, and forging to shape metal into different forms such as angles, curves, or complex geometries.
  3. Welding: Welding joins metal pieces together using heat and/or pressure. Common welding methods include MIG (Metal Inert Gas), TIG (Tungsten Inert Gas), arc welding, and spot welding.
  4. Machining: Machining processes involve removing material from a metal workpiece to achieve the desired shape and dimensions. This can include milling, turning, drilling, and grinding.
  5. Assembly: Assembling involves joining multiple fabricated metal components to create a final product or structure. This can include mechanical fastening methods like bolting or riveting, as well as welding or adhesive bonding.
  6. Finishing: Finishing processes enhance the appearance, durability, and corrosion resistance of metal components. This includes techniques such as sandblasting, powder coating, painting, anodizing, and plating.
  7. CNC (Computer Numerical Control) Machining: CNC machines use computer-controlled tools to precisely cut, drill, and shape metal according to digital designs, allowing for high accuracy and repeatability in fabrication processes.
  8. Prototyping and Design: Metal fabrication often involves prototyping and design services to develop and refine products before full-scale production. This may include CAD (Computer-Aided Design) modeling and rapid prototyping techniques.
  9. Quality Control: Quality control measures ensure that fabricated metal components meet specified standards and requirements. This may involve dimensional inspection, material testing, and visual inspection throughout the fabrication process.
  10. Materials Expertise: Knowledge of different metal alloys and their properties is essential for selecting the appropriate materials for specific applications. This includes understanding factors such as strength, conductivity, corrosion resistance, and machinability.
  11. Customization Capabilities: Metal fabrication shops often offer customization services to tailor products to the unique requirements of individual customers. This may involve adapting designs, finishes, or materials to meet specific needs.
  12. Logistics and Supply Chain Management: Effective management of raw material sourcing, inventory, and logistics is crucial for ensuring timely and cost-effective metal fabrication processes.

These capabilities may vary depending on the specialization and size of the metal fabrication operation, but they represent fundamental aspects of the metal fabrication process.

Key Manufacturing Capabilities – Injection Molding

RIKUN Injection Molding manufacturing capabilities for plastics and injection molding involve specialized processes tailored to shaping plastic materials into various products and components. Key capabilities in this domain include:

  1. Injection Molding: Injection molding is a primary method for mass-producing plastic parts. It involves injecting molten plastic material into a mold cavity under high pressure. The mold then cools and solidifies the plastic, allowing for the removal of the finished part. Injection molding is highly versatile and can produce complex geometries with high precision and efficiency.
  2. Mold Design and Fabrication: Developing molds that meet the specifications of the desired plastic part is critical. This includes designing molds for single-cavity or multi-cavity production, as well as considering factors like material flow, cooling, and ejection mechanisms.
  3. Material Selection and Compounding: Choosing the right plastic material is essential for achieving desired properties such as strength, flexibility, heat resistance, and appearance. Plastics may be compounded with additives like fillers, reinforcements, or colorants to enhance their performance and aesthetics.
  4. Prototyping and Tooling: Prototyping allows for the testing and validation of plastic parts before full-scale production. Rapid prototyping techniques such as 3D printing can be used to quickly iterate designs. Additionally, tooling processes ensure that molds and other production tools meet quality standards and specifications.
  5. Injection Molding Machines: These machines are specialized for injecting molten plastic into molds under high pressure. They come in various sizes and configurations to accommodate different part sizes, production volumes, and material types.
  6. Secondary Operations: Secondary operations may be required to finish, assemble, or customize injection-molded parts. This can include processes like trimming, machining, welding, assembly, and surface finishing (e.g., painting, plating, or printing).
  7. Quality Control and Inspection: Quality control measures ensure that injection-molded parts meet specified tolerances, dimensions, and material properties. This involves inspection throughout the production process, including raw material inspection, in-process monitoring, and final product testing.
  8. Automation and Robotics: Automation technologies such as robotic part handling and automated inspection systems can improve production efficiency, consistency, and repeatability in injection molding operations.
  9. Design for Manufacturability (DFM): Designing parts with manufacturability in mind can optimize the injection molding process. This includes considerations such as draft angles, wall thickness uniformity, gating and venting locations, and minimizing undercuts or features that may complicate molding.
  10. Regulatory Compliance: Compliance with regulatory standards and requirements for materials, processes, and finished products is essential in industries like automotive, medical devices, and consumer electronics, where safety and quality standards are stringent.

These capabilities are essential for successful plastic manufacturing and injection molding operations, whether for producing consumer products, automotive components, medical devices, or other plastic-based applications.