杭州富陽ラケット直営製造工場（バドミントン・パデル・テニス・スカッシュ）
世界中のバイヤーに価格と品質の両面で高い競争力を誇るバドミントンシャトルとラケットのワンストップ特注OEMサービスを提供します。
Located in Shangguan Village, Fuyang District, Hangzhou, our 12,000 m² manufacturing facility (Hangzhou Bailian Trading Co., Ltd.) operates an in-house destructive and non-destructive testing laboratory auditing every production batch across 9 mechanical benchmarks:
| Laboratory Test Equipment | Loading Protocol | Factory Acceptance Threshold | Structural Engineering Purpose |
|---|---|---|---|
| ラケット疲労試験機 | 50,000 continuous alternating load cycles | Zero micro-cracks / stiffness loss <3% | Shaft, T-joint & throat long-term structural endurance |
| ラケットねじり試験機 | Rated static torsional load across shaft-handle axis | Torsional deviation <1.5° (Full Carbon) | Off-center impact directional stability & face recovery |
| 万能材料試験機 | Tensile modulus & interlaminar shear verification | 24T (240 GPa) / 30T (295 GPa) / 40T (380 GPa) | Incoming Toray carbon prepreg & alloy batch COA audit |
| 落錘衝撃試験機 | Calibrated drop-weight impact on frame 12/3/9 o’clock | Zero structural fracture or delamination | Clash durability & Padel glass-wall impact survival |
| 飛翔体衝撃試験機 | High-velocity pneumatic projectile impact cycling | 500+ high-speed impacts without core/grommet failure | 35 LBS badminton stringbed & Padel 3K/12K/18K face integrity |
| 三軸振動試験機 | Triaxial (X/Y/Z) frequency damping & decay logging | Residual vibration decay ≤120 ms | Handle damping & Padel EVA core (13°–17°) shock absorption |
| ラケット反発試験機 | Sweet-spot coefficient of restitution (COR) rebound check | Batch COR variance ≤±1.5% | Consistent repulsion speed across production lots |
| フレームねじり試験機 | Bilateral frame torque loading at 2/4/8/10 o’clock | Left/right angular symmetry ≤0.2° | Verifies uniform 160°C bladder compaction & wall thickness |
| スイングウェイト測定器 | Dynamic MOI swing-weight + static weight/balance sorting | Weight ±1.5g · Balance ±2.0mm · MOI ±1.5 kg·cm² | 100% individual digital grading prior to AQL packing |
| Manufacturing Cell | Industrial Equipment | Multi-Sport Production Scope | In-Line Quality Gate |
|---|---|---|---|
| 1. Cold-Storage Prepreg & CNC Slitting Cell | -18°C climate-controlled freezer + automated laser ply cutters | Toray 24T/30T/40T unidirectional & 3K/12K/18K woven carbon plies cut at 0°/±30°/±45°/90° | Ply accuracy ±0.1mm; zero resin pre-curing |
| 2. 160°C Pneumatic Hot-Press Bladder Molding | Multi-cavity 15-Bar pneumatic hot presses + internal solid foaming rigs | Full-carbon & composite frames for Badminton (15 SKUs), Tennis (4 SKUs) & Squash (6 SKUs) | 160°C thermal cure; zero-void compaction |
| 3. Padel 38mm Composite & EVA Core Molding Line | CNC EVA core profiling routers + vacuum compression molding presses | 14 Padel racket OEM models in 3K/12K/18K carbon & composite faces with 13°–17° EVA cores | Profile 38±0.2mm; EVA ±1.5° Shore C |
| 4. Multi-Axis Robotic CNC Drilling & Finishing | 5-axis computerized CNC drilling rigs + dust-extraction wet sanding | Precision string-hole perforation (72/76 holes, 16×19, 14×18) & Padel face hole arrays | Hole pitch ±0.02mm; chamfered anti-shear edges |
| 5. Cleanroom Electrostatic Paint & Decal Curing | Class-10,000 dust-free spray booths + 80°C waterslide decal curing ovens | Matte, gloss, satin, chameleon, exposed carbon & 3D quartz sand spin textures | ASTM D3359 5B paint adhesion; PMS ΔE ≤1.0 |
| 6. Digital Balancing, CNC Stringing & AQL Packing | 0.1g electronic scales + digital balance beams + constant-pull stringers | 100% unit sorting, laser cone engraving & 50-set moisture-barrier master carton packing | ISO 2859-1 (AQL 1.5 Major / 2.5 Minor) |
