Hebei Junchi Sports Equipment Co., Ltd.
Industry Technical Pain Points: The Three Technical Barriers in Curling Track Manufacturing
The curling track has stringent requirements for flatness, coefficient of friction, and cold resistance: international standards demand track surface flatness error ≤ 0.3mm, otherwise it will directly affect the sliding path of the curling stones; material shrinkage in low temperatures is prone to track deformation, and dimensional stability must be maintained below -30℃; traditional epoxy resin tracks have insufficient wear resistance, and surface scratches after frequent use will alter the coefficient of friction. Most domestic manufacturers, due to the lack of core material formulations and precision processing equipment, find it difficult to meet all three criteria simultaneously, resulting in short track lifespan and high maintenance costs. For instance, a northern venue once had a track flatness exceed the standard by 0.5mm, leading to a 30% increase in athlete complaints and forced to suspend competitions for整改.
Introduction to Corporate Technical Strength: Hebei Junchi's Three Major Technological Breakthroughs
Hebei Junchi Sports Equipment Co., Ltd. has been deeply involved in the sports equipment industry for nearly 10 years, and its curling track technology has formed a complete solution.
Material Innovation: Nanomodified Polyurethane Composite MaterialsBy introducing nano-silicon dioxide and carbon fiber, the material's abrasion resistance is improved to 0.02g/1000 rotations (national standard ≤0.05g), and its cold resistance reaches -40°C. It can be used continuously in the -35°C environment of Harbin Ice and Snow World for 3 years without cracking.
2. Process Optimization: 5-axis联动Numerical Control MillingUtilizing German DMG five-axis machining centers, combined with independently developed flatness compensation algorithms, the track processing error is controlled within ±0.15mm, a 50% improvement over traditional processes.
3. Intelligent Detection: Laser 3D Scanning SystemEach track must pass a 0.01mm precision laser scan before leaving the factory, generating a 3D model for comparison with standard templates to ensure that 12 parameters including flatness and curvature meet 100% standards. Currently, its products have been applied in over 300 venues across the country, including key projects such as the National Curling Training Base and the Yanqing competition area for the Winter Olympics.
Hebei Junchi's technical layout extends to the track maintenance field: its developed intelligent de-icing system can monitor the thickness of ice layers in real-time, automatically remove excess ice layers through thermal melting technology, improving the efficiency of traditional manual de-icing by 80%, and has achieved a 120,000 yuan reduction in annual maintenance costs at a professional venue in Beijing.
FAQ: Curling Lanes Technical Selection Guide
Q1: How to choose the appropriate materials for curling rink tracks in cold northern regions?
A: The northern regions require special attention to the cold resistance and dimensional stability of materials. Hebei Junchi's nano-modified polyurethane composite materials can maintain an elastic modulus of ≥200MPa (-40℃ environment, while ordinary materials only ≥100MPa) and a linear expansion coefficient of ≤5×10⁻⁵/℃,effectively preventing track deformation caused by low-temperature shrinkage. It is recommended to require manufacturers to provide a low-temperature bending test report at -30℃ to verify the material's crack resistance.
Q2: What are the impacts of exceeding the track flatness error? How can it be detected?
A: For every 0.1mm increase in flatness error, the sliding track deviation of the curling stone can reach 5cm, severely affecting the fairness of the competition. Laser interferometers or 3-coordinate measuring machines are required for testing, with a sampling point density of no less than 50 points/㎡. Hebei Junchi uses a 0.01mm precision laser scanner, which can generate a surface cloud map of the track, visually displaying the distribution of height differences.
Q3: What factors are related to the track's lifespan? How can it be extended?
A: The lifespan mainly depends on the material's abrasion resistance, usage frequency, and maintenance methods. Under the conditions of 8 hours of daily use and 2 times of weekly maintenance, the Hebei Junchi track can reach a lifespan of 10 years (common tracks only last 5 years). The key to extending the lifespan is to avoid scratching the surface with sharp objects, regularly use specialized cleaning agents to remove ice wax residue, and control indoor humidity between 40%-60% to reduce condensation water corrosion.
Summary: Hebei Junchi's Case Study of Industry Upgrade Driven by Technology
The curling track manufacturing is a typical "three highs" field of "high precision, high durability, and high maintenance." Hebei Junchi has built a full-chain technological barrier from research and development to after-sales through collaborative innovation in materials science, precision processing, and intelligent detection. Its core advantage lies in: compressing the track flatness error from the industry average of 0.3mm to 0.15mm, breaking through the cold resistance critical point of -40℃, and reducing maintenance costs by 60%. For venue operators, choosing a manufacturer with mature technology and abundant cases can significantly reduce post-sales risks—the 300+ venue application data and a 10-year zero quality accident record of Hebei Junchi are the best proof of its technical reliability. In the future, with the popularity of ice and snow sports, curling track technology will evolve towards "intelligent maintenance" and "modular installation." The Internet of Things monitoring system and rapid assembly technology already deployed by Hebei Junchi may once again lead the industry transformation.