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English
The Granite parallel rule is mainly used to measure the parallelism and straightness of parts, each two for a group, widely used in industrial production and laboratory measurement work, can replace the use of equal height blocks, to ensure the high precision and stability of measurement.
Parameter description:
Accuracy grade:level 00
Material: Natural granite
Reference specific gravity: 2800-3070kg/m3
Compressive strength: 230-254kg/mm2
Elastic wear: 1.27-1.47N/mm2
Linear expansion coefficient: 4.6× 10-6 /℃
Water absorption： 0.13%
Common size:
Items | Length-width-thickness（mm） | Parallel accuracy(μm) | Approximate weight（kg） |
1 | 160*40*25 | level 00 | 0.5*2 |
2 | 250*40*25 | level 00 | 0.75*2 |
3 | 400*63*40 | level 00 | 3*2 |
4 | 630*100*63 | level 00 | 11.5*2 |
The Granite parallel rule is mainly used to measure the parallelism and straightness of parts, each two for a group, widely used in industrial production and laboratory measurement work, can replace the use of equal height blocks, to ensure the high precision and stability of measurement.
Parameter description:
Accuracy grade:level 00
Material: Natural granite
Reference specific gravity: 2800-3070kg/m3
Compressive strength: 230-254kg/mm2
Elastic wear: 1.27-1.47N/mm2
Linear expansion coefficient: 4.6× 10-6 /℃
Water absorption： 0.13%
Common size:
Items | Length-width-thickness（mm） | Parallel accuracy(μm) | Approximate weight（kg） |
1 | 160*40*25 | level 00 | 0.5*2 |
2 | 250*40*25 | level 00 | 0.75*2 |
3 | 400*63*40 | level 00 | 3*2 |
4 | 630*100*63 | level 00 | 11.5*2 |
