I. Technical Background and Industry Positioning

Hebei Junchi Sports Equipment Co., Ltd. has been dedicated to the sports equipment industry for nearly 10 years. Its curling track technology focuses on "material stability, controllable surface friction coefficient, and weather resistance," serving professional venues, university training bases, and community sports facilities. The company is located in Haixing County, Cangzhou City, Hebei Province, leveraging the traffic advantage of the Jinsan Expressway, forming a nationwide sales network. The products have passed the certification of the National Sports Equipment Supervision and Inspection Center, and the technical parameters meet the standards of the World Curling Federation (WCF).

Chapter II: Core Technology Analysis: Materials and Processes

1. Material SelectionThe track material is composed of high-density polyethylene (HDPE) and modified additive composite materials, with a density controlled at 0.94-0.96 g/cm³, impact strength ≥ 20 kJ/m², and adaptable to ambient temperatures ranging from -30℃ to 50℃. The surface coating is selected as nano-silica dispersion, with a coefficient of friction stabilized between 0.05-0.08, meeting the requirements for sliding speed and turning precision of curling stones.

2. Process optimizationThrough twin-screw extruder to achieve uniform material melting, mold temperature controlled at 180-200℃, cooling water tank with segmented temperature control (60℃→40℃→25℃), ensuring track flatness ≤0.5mm/m. Hot melt welding technology is used at the joint, with weld strength ≥ 80% of the base material, avoiding cracking risk after long-term use.

III. Technical Parameters and Adaptation Scenarios

The enterprise technical team can adjust the material formula based on the frequency of venue use (e.g., daily use time > 8 hours), such as increasing the antioxidant content to 1.5% to extend the lifespan of the track to over 10 years.

4. Actual Project Case: University Training Base

1. Project BackgroundConstruction of curling training track for a northern university in 2022, to meet daily teaching, team training, and regional competition requirements, with a budget cap of 800,000 yuan.

2. Technical SolutionThe track is 4.0m wide, with the surface coating treated in sections—training area friction coefficient of 0.06, competition area 0.055; the joints are sealed using the company's patented hot melt welding technology, followed by ultrasonic testing to ensure no air holes.

3. On-site effectAfter 3 months of high-frequency use (6 hours per day), the track smoothness remains ≤0.3mm/m, with the team athletes reporting a 15% improvement in gliding stability and a 40% reduction in maintenance costs (only requiring surface cleaning once a month).

Fifth, FAQ Technical Q&A

Q1: How does the friction coefficient of the curling track surface affect the game?
A: A low coefficient of friction (＜0.04) can lead to uncontrollable curling stones, while a high one (＞0.1) increases athletes' physical exertion. The company stabilizes the coefficient at 0.05-0.08 through nanocoating technology, balancing speed and controllability.

Q2: How do outdoor tracks cope with extreme weather conditions?
A: The material incorporates anti-freezing agents and UV absorbers, complemented by a drainage channel design (slope ≥1.5%), ensuring no cracking at -20℃ low temperatures and no waterlogging during heavy rain.

Q3: What is the maintenance cycle of the track?
A: Daily cleaning once a week, professional inspection once every six months (mainly checking seams and surface wear), the main material does not need to be replaced within 10 years under normal use.