SolidWorks Simulation design simulation makes Daxing Technology laugh
Daxing Technology (Shenzhen) Co., Ltd. is a leading manufacturer of folding bicycles, known for its innovative approach and commitment to quality. Founded in California in 1982, the DAHONCALIFORNIA Group has been at the forefront of promoting eco-friendly transportation solutions. Their branded products—DAHON and YEAH!—are widely recognized globally and have received numerous international accolades. The company has expanded its operations across mainland China, Taiwan, the Netherlands, and Macao, earning the title of "the world’s largest manufacturer of folding bicycles" from Guinness World Records.
The company offers a wide range of folding bikes, including city, electric, mountain, and sports models, available in various sizes such as 12", 14", 16", 18", 20", 24", and 26". These designs are based on ergonomic principles, ensuring comfort, speed, and ease of use. Daxing maintains strict quality control standards, adhering to international regulations like EN, JIS, CPSC, DIN, BS, and AS, which ensures that their products meet the highest safety and performance benchmarks.
Despite its success, the company faced several challenges during product development. Ensuring compliance with regional safety standards when exporting was one of the main concerns. Additionally, the complex frame design made manual strength calculations difficult, often requiring multiple prototypes before finalizing a design. This process was time-consuming, costly, and inefficient, leading to longer time-to-market and increased resource consumption. Rising material and labor costs further impacted profitability, while engineers had to balance cost-effectiveness with product safety.
To address these issues, Daxing turned to simulation-based solutions using SolidWorks SimulationWorks. This allowed them to analyze structural strength, vibration, reliability, and optimize the design efficiently. By following the EN standard, they conducted fatigue analysis on the frame under pedal force. They created a SolidWorks model, performed static analysis, applied constraints and loads, and observed stress, displacement, strain, and safety factor distribution. Fracture analysis was simplified, and the Gerber stress correction method was used for plastic materials. Fatigue damage cloud maps and life cycle plots were also generated.
The simulation results revealed that the analytical methods were accurate and applicable to similar products. There was a strong correlation between test data and simulation data, allowing for more efficient testing. Simulation reduced the need for physical prototypes, lowering both time and cost. It also enabled better design optimization, resulting in a lighter frame—reducing weight from 3.35 kg to 2.48 kg, saving 26% in material usage.
Frequency analysis was performed to avoid resonance, and resonance frequencies and vibration modes were identified. These insights helped improve product performance and reliability. As a result, Daxing's R&D capabilities significantly advanced, enhancing their competitive edge. Their new products have consistently received positive feedback at major exhibitions in Europe, Japan, and Taiwan, proving the effectiveness of their simulation-driven design approach.
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