Ergonomic Chair Structural Parts: Success Cases
From Materials · Molds · Injection Molding — Achieving High Performance & Quality
Material Engineering
Selected high-performance engineering materials meeting diverse requirements for strength, toughness and durability
Mold Technology
High-precision mold design and manufacturing ensuring stable mass production of complex structures
Injection Molding
Advanced injection molding process and quality control ensuring product consistency and reliability
01 / 05
Chair Back Frame
High Strength, Lightweight
Customer sought a lighter, stronger solution that would not deform over long-term use.
Material
- PA6+GF35%
- High rigidity, high strength
- Excellent dimensional stability
- Superior fatigue resistance
Mold
- Complex curved shell mold
- Multi-slide angled core pulling
- Precision fit for great appearance
- Mold steel: 1.2738
Injection
- Stable thin-wall molding
- Machine: 1200T
- Mold temp: 60-80°C
- Injection pressure: 1200bar
- Mold temp control: ±3°C
- High-precision injection control
- Automated pick & place, reduced stress
Key Results
Weight Reduction 18%
Impact Strength +25%
1M Cycle Test Passed
02 / 05
Seat Frame Bracket
High Load Capacity, More Reliable
Requires high load capacity and impact resistance to ensure long-term safety and reliability.
Material
- PA66+GF30%
- High strength, high toughness
- Excellent thermal stability
- Low warpage
Mold
- Large structural part mold
- Multi-gate balanced design
- High-rigidity mold frame
- Mold size: 1600×1200mm
Injection
- High-tonnage injection
- Machine: ≥500T
- Mold flow analysis optimized fill
- Online monitoring, stable quality
Key Results
Static Load 150kg+
Impact Strength +30%
Pass Rate 99.5%+
03 / 05
Armrest Support Bracket
Precision Structure, Comfortable & Durable
Requires precise fit and comfortable feel for long-term durability.
Material
- PA66+GF30%
- High rigidity, high strength
- Excellent wear resistance
- Cost-effective, proven reliability
Mold
- Precision structural mold
- High-accuracy positioning
- Precision inserts
- Mold steel: D2
Injection
- Precision molding process
- Injection accuracy ±0.1mm
- Low-pressure mold protection
- Stable molding, reduced flash
Key Results
Precision ±0.15mm
Wear Resistance +40%
Assembly Yield 99.8%
04 / 05
Five Star Feet
High Strength, Fatigue Resistant, Durable
The 5-star foot base requires high strength, toughness, excellent fatigue resistance, and dimensional consistency across all five legs.
Material
- PA6 + 30% Glass Fiber
- High strength, high toughness
- Excellent fatigue resistance
- Good oil & solvent resistance
- Outstanding rigidity & load capacity
Mold
- Precision multi-slide + radial runner
- Precision guide for consistent leg dimensions
- High-wear slider for glass fiber
- Ribs, caster holes, center mount one-shot
- Mold life: 1M+ cycles
Injection
- Optimized fill & hold pressure
- Machine: 1000T
- Mold temp: 60-80°C
- Injection pressure: 1200bar
- Balanced runner, reduced sink marks
- Optimized cooling, shorter cycle time
- Auto inline inspection
Key Results
Fatigue Life +35%
Part Lifespan 10+ Yrs
Service Complaints -50%
05 / 05
Headrest Bracket
Lightweight, High Strength
Requires lightweight design while maintaining strength and smooth adjustment.
Material
- PC+ABS
- Lightweight
- High impact strength
- Good surface appearance
Mold
- High-gloss appearance mold
- Mirror polish
- In-mold gate design
- Mold steel: NAK80
Injection
- High-gloss molding process
- High-gloss mold temp control
- Optimized gate design minimizing weld lines
- Clean spray finishing
Key Results
Weight Reduction 20%
Appearance Excellent
Customer Satisfaction 100%
Ready to Start Your Project?
From concept to finished product — our engineering team is ready to discuss your requirements and provide a tailored solution.
Request a Quote