On inspection of verticality
and parallelism as well as absolure 90 measuring
High precision and quality
Competitive price
Port: SHANGHAI
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 500 Ton/Tons per Month
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: WOODEN CASE
Delivery Detail: 30-100days according to quantity
On inspection of verticality and parallelism as well as absolure 90°measuring
Granite square rulers suitable for the detection of verticality, plane accuracy of the standard GB6092-85, the vertical standard GB6092-85. To reduce weight and to facilitate the processing and reduction bores.
Granite square rulers is mainly used for the workpiece flatness, perpendicularity, straightness measurement
Rock by long-term natural aging, organizational structure, uniform, linear expansion coefficient is very small, the internal stress completely disappeared, no deformation, so the accuracy is high.
Rigid, high hardness, wear resistance.
Not afraid of acid and alkaline liquid material erosion, and will not rust, do not need oiling, not easy to stick dust, easy maintenance and maintenance, long service life.
Will not scratch, without a constant temperature to prevent ,temperature measurement accuracy can be maintained at room temperature
Not magnetized,measurements can move smoothly,no zhise sense,not by wet impact,plane said will be a good.
Precision:according to the national standards measurement examination regulations execution:
| squareness between abjacent measuring surfaces | straightness of measuring surface | parallelism between opposite measurin surface | ||||
| TYPE | ||||||
| (mm) | ||||||
precision grade(um) | ||||||
| 00 | 0 | 00 | 0 | 00 | 0 | |
| 160x160 | 2 | 4 | 0.8 | 1.7 | 2 | 4 |
| 200x200 | 2 | 4 | 0.9 | 1.8 | 2 | 4 |
| 250x250 | 2.2 | 4.5 | 1 | 2 | 2.2 | 4.5 |
| 300x300 | 2.6 | 5.2 | 1.1 | 2.3 | 2.6 | 5.5 |
| 400x400 | 3 | 6 | 1.3 | 2.3 | 3 | 6 |
| 500x500 | 3.5 | 7 | 1.5 | 3 | 3.5 | 7 |
| 600x600 | 4.5 | 9 | 2 | 4 | 4.5 | 9 |
| 800x800 | 5 | 10 | 3 | 6 | 5 | 10 |
| 1000x1000 | 6 | 12 | 4 | 8 | 6 | 12 |
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rigid steel structure
ISO Standard
stable vibrating frequency
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