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| Precision Granite Plate Base
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Brand: FRH
Type: Presicision granite surface plate
Function: Measuring tool, inspection tool, calibration platform
Material: Nature granite
Features: High precision, acid and alkali resistant
Precison: 1 um or higher
Shore Hardness: >Hs7.0
Compresive Strength: 254N/m²
Coefficient of water absorption: 0.02%
Proportion: 3000kg/m³
Coefficient of linear expansion: 4.61x10^-6/??C
Packing: Custom export fumigation-free wooden box
The granite surface plate is produced by Furui Lianhua has a high precison that can pass the third party inspection.
1. Our company can process up to 4000mm width and 8000mm length.
2. We accept various related processing on marble slabs, such as drilling holes, opening T-slots, dovetail slots, etc. to customize non-standard parts.
Main Features
1. The granite is after a long-term natural aging, the organizational structure is uniform, the expansion cofficient is small, the internal stresscompletely disappeared.
2. It is against acid and alkali corrosion, rust resistant; do not need oiling, easy to maintain, long service life
3. Not limited by the constant temperature conditions, and can maintain the high precision at room temperature
No magnetization, and can move smoothly while measuring, no tight feeling, free of the affect of moisture, good flatness
Quality Control
We use various techniques during this process:
Optical measurements with autocollimators
Laser interferometers and laser trackers
Electronic inclination levels (precision spirit levels) |
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