Spray Arm / Wand For Electric Bidet

I. Product Overview

The Smart Toilet Spray Arm is a core component of next-generation bathroom cleaning systems, manufactured using high-strength engineering plastic molding technology. With innovative material formulations and precision structural design, it delivers optimal performance while reducing costs, making it an ideal solution that balances hygiene, safety, and cost-efficiency.

II. Core Technical Parameters

Structural Design

• Spray Arm Length: 180mm ±0.5mm (customizable)

• Extension Stroke: 45mm ±1mm (dual-track guidance)

• Oscillation Angle: ±12° (stepper motor-driven)

• Water Jet Orifices: 3×0.6mm precision array (laser-drilled)

Material Properties

• Main Body: Reinforced PPSU (Polyphenylsulfone)

• Temperature Resistance: -40°C to 130°C (long-term use)

• Flexural Strength: ≥120MPa (ISO 178 standard)

• Surface Roughness: Ra ≤0.4μm (mirror polishing)

III. Key Advantages

Hygienic Performance

✅ Seamless Design (prevents bacterial growth)
✅ Built-in UV-C LED Sterilization (auto-activates after each use)
✅ Antibacterial Masterbatch (>99% antibacterial rate, JIS Z 2801)
✅ Food-Grade Silicone Seals (FDA certified)

Functional Innovations

✅ Smart Pre-Heating (prevents cold water contact)
✅ Dual Self-Cleaning System (water rinse + UV)
✅ Anti-Clog Design (0.1mm precision filter)
✅ Low-Pressure Activation (works at 0.03MPa)

IV. Reliability Testing

Mechanical Tests

• Extension Fatigue Test: 150,000 cycles (no deformation)

• Torque Resistance: 2N·m

• Drop Test: 1.5m height (no damage)

• High-Pressure Test: 1.0MPa water impact

Environmental Tests

• Damp Heat Test: 85°C/85% RH for 1,000h

• Thermal Cycling: -30°C to 80°C (200 cycles)

• Chemical Resistance: Bleach (84 disinfectant) immersion

V. Production Control

Manufacturing Process

? Precision Injection Molding (±0.05mm tolerance)
? Ultrasonic Welding Sealing
? Automated Optical Inspection (AOI)
? 100% Air-Tightness Testing

Quality Control

✅ Raw Material Batch Testing
✅ Process Capability Index (CPK ≥1.33)
✅ 72-Hour Aging Test Before Shipment
✅ Traceability Management System

Key Benefits

? Cost Efficiency – 40% cost reduction vs. metal spray arms while retaining 90% performance
? Durable Surface Treatment – Comparable wear resistance to metal
? Seamless Structure – Eliminates hygiene risks of traditional metal joints
? Certified Quality – NSF / CE certified, ideal for smart toilet upgrades

Custom Smart Toilet Mainboard PCBA

Modular Function Design

l Core Functions (Rapid Integration)

l Advanced Customization

- Electronic Extensions:  

  • IoT Control: APP/Wireless remote  

  • HMI: Smart display + Voice feedback  

  • Health: urinalysis (interface reserved)  

- Mechanical Synergy:  

  • Auto-lid motor drive optimization  

  • Precision foam generator control  

End-to-End Development

 Vertical Manufacturing Advantage:  

  • Mold R&D: fast structural development (solves deformation/leaks)  

  • Electro-mechanical integration: Unified PCBA & heating module design  

  • Pilot to mass production: in-house SMT+assembly to ensure fast production

Competitive Benchmarking

Transform your smart toilet concept into a market-ready product. Welcome to contact with us today for a personalized proposal with functional prototypes, BOM optimization analysis, and turnkey delivery schedule.