CNC Machine Tool Cast Iron Inspection Table with T-Slot | 400-8000mm Sizes | HB170-240 Hardness
This cast iron surface plate serves as a fundamental plane reference measuring tool for workpiece inspection, scribing, equipment debugging, assembly, welding, and riveting operations. Manufactured from high-strength cast iron with precision engineering, these platforms provide exceptional stability and accuracy for industrial applications.
| Attribute | Specification |
|---|---|
| Material | High-strength cast iron (HT200-HT300) |
| Hardness | HB170-240 |
| Precision Grades | 0, 1, 2, 3 Grade |
| Standard Sizes | 400x400mm to 8000x3000mm |
| Manufacturing Standards | GB4986-85 JB/T7974-1999 |
| Precision Standard | JJG117-2005 |
| Surface Treatment | Hand scraping finish, milling or ground finish |
- High precision measurement capabilities with flatness tolerance from 12μm to 570μm
- Exceptional wear resistance and long service life exceeding 50 years
- Available in multiple precision grades for different applications
- Wide size range from 400x400mm up to 8000x3000mm
- Compatible with installation accessories including platform brackets, adjustment horns, and jacks
Ideal for precision layout, assembly operations, checking tables, large fixture or machine bases, set-up plates, laboratory test plates, and stable surfaces for optical systems. Widely used across machinery, automobile manufacturing, agricultural machinery, metallurgy, mining, power generation, shipbuilding, aerospace, and instrumentation industries.
| Specification (mm) | Grade 1 (μm) | Grade 2 (μm) | Grade 3 (μm) | Finish Plane (μm) |
|---|---|---|---|---|
| 400x400 | 12 | 24 | ||
| 1000x1000 | 20 | 39 | 96 | |
| 2000x2000 | 60 | 152 | ||
| 4000x3000 | 240 | |||
| 8000x3000 | 382 |
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