
Solid PU Bicycle Tire Production Solution
Plan solid polyurethane bicycle tire production with material preparation, metering, mixing, mold filling and post-curing for your tire designs and output goals.
PU bicycle, solid tires, automatic key chain assembly
Traditional semi-manual production has a long cycle, with extended mold changeover times and limited flexibility. Manual mixing and pouring of adhesives result in inconsistent foam density and elasticity, leading to high rework rates. Open pouring methods result in high material waste and volatile emissions, limiting access to international markets. This turnkey line includes raw material pre-treatment, precise two-component mixing, one-step tire pouring, post-curing, and testing. The mixing uniformity is ≥98%; it supports both single-cavity and multi-cavity synchronized production modes. A centralized PLC control system allows for dynamic adjustment of foaming and post-curing temperatures with an accuracy of ±1°C. Customized, environmentally friendly PU formulas are supported. It also supports rapid mold changes and the modular upgrade of existing semi-manual workshops. Different tire sizes, patterns, and performance requirements necessitate the use of specific molds and formulations. This system cannot cover all types of solid bicycle tires.
Environmentally friendly formula + consistent batch quality
The foam system meets REACH SVHC requirements. It offers a mixing uniformity of ≥98% and a closed-loop temperature control system to ensure stable foam density. Tire properties such as abrasion resistance and puncture resistance are verified through third-party testing reports.
Flexible production, reducing costs and increasing efficiency.
The fastest cycle time is one minute per part, with a total changeover time of ≤1.5 hours. This compares to a semi-manual production line, which reduces overall energy consumption by 20% and material waste by 5-7%.
The equipment provides stable pouring and temperature control, but the tire's durability, rebound, and puncture resistance are not directly guaranteed by the equipment itself. The final product's performance will be determined based on reports from a recognized third-party laboratory. Operation under conditions exceeding 6000 hours without failure will be considered the standard operating conditions. Project acceptance will be based on a signed technical agreement between the parties.
Complete project implementation steps
We offer a complete, turnkey service, encompassing everything from initial prototype development and on-site performance evaluation, process validation, equipment customization and commissioning, pilot production and optimization, and finally, mass production and after-sales service, including testing and certification. This ensures a smooth and successful launch of the bicycle PU solid tire production line.
Performance testing of samples
The technical team developed a custom polyurethane foam formulation based on the specified tire requirements. They then produced test samples to verify the material's properties, including elasticity, hardness, and abrasion resistance. Finally, a formal quotation was provided.
Factory site condition assessment and evaluation
Professional engineers conduct on-site assessments, gather data on tire sizes, annual production capacity, quality standards, and target export markets, and then develop customized handover layouts.
Laboratory formula validation process
The R&D center developed a polyurethane formulation and a complete casting process. Before finalizing the design, laboratory performance testing and technical feasibility were conducted.
Technical specifications and performance analysis
The following represents a benchmark for the proposed solution: more than 6000 hours of operation under standard load conditions; final configuration will be determined based on tire specifications, materials, and production capacity, subject to a signed technical agreement between the parties.
| Parameter specifications | PU bicycle, solid tires, automatic key chain assembly |
|---|---|
| Applicable products | Urban commuting, mountain biking, folding bikes, children's balance bikes, shared bicycles. Features solid rubber tires. |
| Evenness of mixing | ≥98% |
| Production rate | Single-cavity mold: 1.5-2 minutes per piece; Multi-cavity linkage: as fast as 1 minute per piece |
| Annual production capacity | 80,000 - 120,000 per year |
| Reference acceptance rate | ≥98% (based on standardized molding + reference values from formulation control) |
| Waste rate of raw materials | 5-7% (as a reference for normal operating conditions) |
| Total mold replacement time | ≤1.5 hours; Similar specifications within the same series ≤1 hour |
| Temperature control accuracy | Foaming, post-curing temperature tolerance: ±1°C |
| Comparison of energy consumption | Compared to traditional hand-crafted foam production, this process reduces overall energy consumption by 20%. |
| Formulation system | The water-based, polyurethane formulation meets REACH SVHC requirements. |
| Configuration settings | Integrated performance testing: foam density, hardness, resilience, and puncture resistance testing. |
| Equipment reliability | Under standard operating conditions, stable and reliable operation for more than 6000 hours. |
| Adaptability | Support the existing semi-manual workshop with modular upgrades and renovations. |
| Compliance assistance | Assist with compliance to EN ISO 4210, ETRTO, and REACH SVHC regulations. |
| Contents of delivery | Key process scheme, two-component dispensing foam machine, one-piece casting mold, post-curing and testing unit, on-site installation and commissioning, formulation process, personnel training, and long-term spare parts supply. |
| Warranty Information | Executed in accordance with the terms of the formal contract and the technical agreement. |
Equipment for Haifeng Automation Turnkey Production Solution for Polyurethane Solid Bicycle Tires
Review the equipment associated with Haifeng Automation Turnkey Production Solution for Polyurethane Solid Bicycle Tires. Confirm the core machines, auxiliary equipment, tooling and factory-service interfaces in the line proposal.
Low-Pressure PU Foaming Machine | Bicycle Solid Tires
PU foaming machine for bicycle solid tire production, featuring lightweight design for low rolling resistance and high resilience. Ideal for commuter, sport, and E-bike tire manufacturing applications.
Automatic PU Tire Production Line | Bicycle Solid Tires
Haifeng HF-BIKE-CAROUSEL-24 delivers automated high-speed molding of puncture-proof bicycle tires at 45 seconds per tire with pneumatic-like bounce.
Key advantages of the plan
Addressing the key challenges of traditional solid rubber tires, including low production capacity, slow molding times, inconsistent quality, high raw material waste, and high export compliance costs.
Customized formulation system for environmentally friendly water-based foam
Customizable water-based PU formulation, compliant with REACH SVHC regulations. Waste material control is within 5-7%. Tire durability, rebound, and puncture resistance are verified through third-party testing reports.
Precise temperature control, ensuring consistent product quality.
Achieving a uniformity of ≥98%. PLC centralized dynamic temperature control, with a temperature tolerance of ±1°C, reducing variations in foam density and batch consistency, resulting in a final product pass rate of ≥98%.
Efficient, flexible, and rapid re-manufacturing
Fastest multi-module change: single module change in 1 minute; full set of module changes within 1.5 hours; same series specifications within 1 hour; supports mixed-batch orders with various specifications.
Modular upgrades to enable export compliance
An existing, traditional workshop can be modularly adapted to preserve existing assets. This adaptation can also facilitate compliance with EN ISO 4210, ETRTO, and REACH SVHC regulations, opening up access to international markets.
Project examples
This project involves the complete implementation of a pneumatic tire production line, including the construction of a new production line and the intelligent upgrade of an existing one.

E-Bike and Bicycle Solid PU Tire Production Line Upgrade Project in China

Medical Caster and AGV PU Wheel Production Line Upgrade Project in China
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Request a customized technical proposal matched with your tire size range, hourly output target, formula requirements and factory layout conditions. Our professional engineers will reply to you within 24 hours.