1200x800mm High Precision Granite Surface Plate with ±50 Millionths Accuracy and ISO9001 Certification
Price:
Negotiable
MOQ:
5
Delivery Time:
10 work days
Brand:
Willing
Product Description
High Precision Granite Surface Plate 1200×800mm
This black granite lapping plate provides an exceptionally accurate reference plane for industrial inspection, measurement, and layout applications. The superior flatness and quality craftsmanship make it ideal for mounting sophisticated mechanical, electronic, and optical gauging systems.
Key Specifications
| Attribute | Details |
|---|---|
| Standard Size | 1200 × 800 mm |
| Available Sizes | 200×200mm to 4000×8000mm |
| Material | Natural Granite |
| Accuracy Grades | 00, 0, 1, 2, 3 |
| Machining Process | Fine Grinding |
| Certification | ISO9001 Quality System |
| Standards Compliance | DIN/JIS/GB Standards |
Precision Performance
Repeatability Standards:
• Grade "B" Toolroom: ±100 Millionths
• Grade "A" Inspection: ±50 Millionths
• Grade "B" Toolroom: ±100 Millionths
• Grade "A" Inspection: ±50 Millionths
Flatness Tolerance Standards
Manufactured according to JB/T 7975-1999 Surface Plate specifications:
- Grade 000 = 1×(1+d/1000)/μm
- Grade 00 = 2×(1+d/1000)/μm
- Grade 0 = 4×(1+d/1000)/μm
- Grade 1 = 8×(1+d/1000)/μm
Note: d represents the length of the diagonal
Technical Specifications Table
| Dimensions (L×W×T mm) | Weight (kg) | Precision Grade Tolerance (μm) |
|---|---|---|
| 300 × 200 × 50 | 17 | 1.5 | 3 | 6 | 12 |
| 300 × 300 × 50 | 19 | 1.5 | 3 | 6 | 12 |
| 400 × 300 × 70 | 25 | 1.5 | 3 | 6 | 12 |
| 400 × 400 × 70 | 48 | 2 | 3.5 | 6.5 | 13 |
| 630 × 400 × 100 | 76 | 2 | 3.5 | 7 | 14 |
| 630 × 630 × 100 | 155 | 2 | 4 | 8 | 16 |
| 800 × 500 × 130 | 156 | 2 | 4 | 8 | 16 |
| 1000 × 630 × 130 | 284 | 2.5 | 4.5 | 9 | 18 |
| 1000 × 750 × 150 | 338 | 2.5 | 5 | 9 | 18 |
| 1000 × 1000 × 150 | 450 | 2.5 | 5 | 10 | 20 |
| 1600 × 1000 × 200 | 963 | 3 | 6 | 12 | 24 |
| 2000 × 1000 × 200 | 1200 | 3.5 | 6.5 | 13 | 26 |
| 1600 × 1600 × 300 | 2312 | 3.5 | 6.5 | 13 | 26 |
| 2000 × 1600 × 300 | 2890 | 3.5 | 7 | 14 | 28 |
| 2500 × 1600 × 300 | 3612 | 4 | 8 | 16 | 32 |
| 3000 × 2000 × 500 | 9030 | 4.5 | 9 | 18 | 36 |
| 4000 × 2000 × 500 | 12040 | 5.5 | 11 | 22 | 44 |
| 6000 × 2000 × 700 | 25284 | 7.5 | 15 | 30 | 60 |
Granite Surface Plate Advantages
Uniform Hardness
Consistent performance across entire surface
Consistent performance across entire surface
Easy Maintenance
Simple cleaning and low maintenance requirements
Simple cleaning and low maintenance requirements
Wear Resistance
Long-lasting durability under regular use
Long-lasting durability under regular use
Corrosion Resistance
Excellent performance in various environments
Excellent performance in various environments
Load Stability
Maintains accuracy under varying load conditions
Maintains accuracy under varying load conditions
Non-Magnetic
Ideal for sensitive electronic applications
Ideal for sensitive electronic applications
Thermal Stability
Minimal expansion/contraction with temperature changes
Minimal expansion/contraction with temperature changes
Low Porosity
Reduced moisture absorption and contamination
Reduced moisture absorption and contamination
Customization Options
We offer OEM and ODM services with export standard packaging and optional accessory stands to meet your specific requirements.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Cangzhou Famous International Trading Co., Ltd
Location
No.703 Room, Yihe building Yunhe zone, Cangzhou City,China
Contact Person
Ada Yang