Lamp Cover

Floor Lamp Copper Shade – Technical Specification Sheet

I. Core Specifications

Industry:

Luminaire / Lighting Equipment

Product Name:

Lamp Cover (Floor Lamp Application)

Material:

Copper, Grade T2, compliant with GB/T 5231-2012

Material Properties:

• Yield Strength ≥ 60 MPa
• Tensile Strength ≥ 205 MPa
• Elongation ≥ 30%
• Density 8.96 g/cm³
• Thermal Conductivity ≥ 390 W/(m·K)
• Excellent ductility and formability for CNC spinning and deep drawing

Wall Thickness:

1.0 mm, tolerance ≤ ±0.08 mm

Surface Coating:

Powder coating / Spray painting, compliant with GB/T 1865-2009

Coating Performance:

• Thickness: 25–40 μm
• Adhesion: ≥ Grade 1 (cross-hatch test)
• Corrosion Resistance: Salt spray ≥72 h
• Surface Gloss: 20–50 GU (customizable)

Overall Dimensions: Ø120 mm × H135 mm

Dimensional Tolerances:

According to GB/T 1804-2000, m-level precision

• Roundness ≤0.2 mm
• Verticality ≤0.15 mm/m

Surface Roughness:

Ra ≤ 1.6 μm post-coating

II. Manufacturing Process

• Core Process: CNC metal spinning + electrostatic powder coating
• Equipment: Precision CNC spinning lathe (Model: KMS-300), automated electrostatic coating line
• Key Spinning Parameters:
  1. Spindle speed: 800–1200 rpm
  2. Roller feed: 3–6 mm/s
  3. Single-pass deformation: 0.2–0.4 mm
     

• Coating Parameters:
  1. Electrostatic voltage: 50–70 kV
  2. Atomization pressure: 0.2–0.4 MPa
  3. Thermal curing: 160–180°C, 15–25 min

III. Quality Control

• Standards Compliance: ISO 9001:2015, GB/T 5231-2012 (copper), GB/T 1865-2009 (coating)
• Incoming Material Inspection:
• Optical emission spectrometry: Cu ≥ 99.90%, total impurities ≤ 0.10%, element deviation ≤ ±0.05%
  
• Mechanical testing: yield, tensile, elongation per specification
  
• Ultrasonic inspection: no internal voids, inclusions, or cracks
  
• In-Process Inspection:
  1. CNC spinning form conformity ≥ 98%
  2. Dimensional check using CMM
  3. Pre-coating surface degreasing inspection
  4. Coating thickness, adhesion, and corrosion resistance sampled testing

• Final Inspection:
  1. Sampling per GB/T 2828.1-2012 (AQL 2.5)
  2. Items: Dimensions, surface coating quality, finish, and traceability
  3. Products labeled with batch number and inspection report

IV. Production Capacity & Delivery

• Capacity:
  1. Daily: 120 pcs
  2. Monthly: 3600 pcs
  3. Supports multi-machine parallel production
     

• Lead Time:
  1. Standard orders: 3–7 working days
  2. Bulk orders (≥100 pcs): 7–12 working days
  3. Urgent orders: 2–4 working days (capacity permitting)

• Packaging & Delivery:
  1. Dust-proof film + pearl cotton + corrugated board
  2. Domestic door-to-door logistics: 2–5 working days
  3. On-site delivery: 3-day advance notice required

• Customization:
  1. Diameter: Ø80–300 mm
  2. Height: 80–200 mm
  3. Coating color/gloss adjustable per customer specification
  4. Customer must provide drawings and operating conditions

V. Application Scenarios

Primary Use:

• Floor lamp component for residential and office lighting
• Softens and diffuses light, reduces glare, enhances visual comfort
• Compatible with LED, incandescent, CFL light sources
• Aesthetic integration for modern minimalist or vintage lamp designs

Operating Conditions: –20°C to 150°C, indoor dry environment

VI. Extended Applications

• Desk lamps, wall lamps, decorative pendant lamps
• Custom copper finish and coating enable adaptation to home, hotel, and showroom lighting
• Flexible for various architectural and commercial decorative lighting

VII. After-Sales Service

Warranty:

36 months, covering dimensional deviations, coating defects, or material nonconformance with free repair or replacement

Technical Support:

Pre-sales selection, custom design review, installation guidance, and full technical documentation

Customer Feedback:

24-hour response, solution delivery within 1–3 working days, dedicated follow-up

Post-Warranty Service:

Paid repair, recoating, or refinishing; optional long-term maintenance agreements

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