Office Chair FQC Translation

The FQC (Final Quality Control) of office chairs is a crucial step to ensure that product quality meets factory standards. It covers multi-dimensional inspections including appearance, functionality, safety, and environmental protection, requiring strict quality control through a combination of sensory evaluation and quantitative testing.

Inspection Scope and Core Items

FQC is the final inspection before finished products leave the factory and must cover all factory standards. For office chairs, dimensional accuracy is a fundamental indicator, ensuring that the backrest height, seat depth, armrest spacing, etc., match the design drawings. Structural stability needs to be verified through static load tests (e.g., the seat surface withstanding over 100kg of pressure). The smoothness and reliability of key functions such as rotation, height adjustment, and backrest adjustment must be thoroughly checked, with examples like the pneumatic rod completing 100,000 cycles of height adjustment tests without failure. Additionally, safety performance is paramount, requiring inspections of anti-tipping designs (e.g., the tilt angle of the five-star base under load ≤ 10°), sharp edge chamfering, and small component anti-detachment designs (e.g., screw fixation strength).

Inspection Methods and Technical Means

1. Sensory Inspection: Visual checks are conducted for surface coating uniformity, absence of scratches or color differences, and tactile assessments for assembly gaps (e.g., the gap between the armrest and seat surface ≤ 2mm) and the smoothness of moving parts (e.g., the rolling resistance of casters). For example, paint film adhesion is verified through a cross-cut test, ensuring no peeling occurs.
2. Physical Performance Testing: Quantitative testing is performed using professional instruments. For example, seat load tests simulate a 100kg load for 24 hours without deformation; durability tests use robotic arms to simulate five years of usage frequency (e.g., adjusting the backrest 50 times per day) to verify functional stability.
3. Environmental Adaptability Testing: After being placed in high-temperature and high-humidity conditions (e.g., 40°C, 90% humidity) or low-temperature environments (e.g., -10°C) for 48 hours, the dimensional change rate of the office chair (must be ≤ 1%) and the weather resistance of the surface coating (e.g., no blistering or cracking) are tested.

Industry Cases and Risk Warnings

Several recall incidents in recent years have highlighted the importance of FQC. For example, in 2024, the State Administration for Market Regulation found that 15 batches of office chairs were deemed non-compliant due to insufficient stability (e.g., five-star base fractures). In 2025, the United States recalled WorkPro Momentum office chairs manufactured in China due to the risk of chair body falling caused by bolt fixation failure. Such cases indicate that lapses in safety testing can lead to severe consequences, and enterprises need to strengthen bolt torque testing, welding strength inspections, and other aspects in FQC.

Job Practice and Process Requirements

The job description for an "Office Chair Quality Control" position clearly requires responsibility for the entire FQC process, including finished product self-inspection (sampling ratio ≥ 5%), accompanying third-party inspection agencies during inspections, and issuing inspection reports. Export-oriented enterprises also need to adjust inspection items according to target market standards (e.g., EU EN 1335, US BIFMA), such as adding formaldehyde emission testing (must be ≤ 0.1mg/m³) for the EU market. Through a systematic process, enterprises can reduce the risk of market recalls and maintain brand reputation.