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Granite Vee Blocks
Granite Vee Blocks

Minimum Order: 0
Quality/Safety Certification: 0.00


Granite Vee Blocks.
Brand name:The "GOLD STONE"brand of granite
Material:Ji Nan Black

Granite Vee Blocks

Our granite measuring devices and granite mechanical components are made of  high qualityJinan Blackgranite.Due to their high precision,long duration,good stability and corrosion resistance,they have been more and more used in product inspection of modern industy and such scientific areas as mechanicalaerospace and scientific researches.

Physical Property ofJi Nan BlackGranite:

Phisical Property                                 Reference Value                           
Specific Gravity 2970-3070kg/m3
 Compressive Strength 245-254Mpa
 Elastic Modulus 30-50Gpa
 Linear Expansion Coefficient 4.61x10-6/0C
 Water Absorptivity ≤0.07
 Shore Hardness Above 70Hs

The "GOLD STONE"brand of granite measuring tools have the following characteristics:

1  High precision  reliable stability resistant to deform and guaranteed accuracy under normal ambient temperature.

 

2  No-rust and anticorrosion.

3  Wear resistance long service life.

4  Any cutting or scraching for working surface does not bring about roughedgeswhich might  influence its measuring precision.

5  Non magnetization.

6  Glossy surface  without sluggishness when the workpieces or tools are moving on it.

 

For inspecting the coaxality cylindricity symmetry and shifting of revolution parts.

 

 

TYPE(mm)

Flatness of working surface

 

Parallelism between V slot and bottom surface

V

Parallelism between V slot and side surface

 

Symmetry between V slot side surface

 

Squareness between V slotend surface

V

Squareness between V slot bottom surface

V

Height difference of the V slot with in a matched pair

Precision grade

0

1

0

1

0

1

0

1

0

1

0

1

0

1

40x90°

1

2

3

1

3

6

5

10

5

5

3

6

4

6

63x90°

2

3

4

6

4

8

8

16

8

8

4

8

5

10

100x90°

2

4

4

8

4

8

8

16

8

8

4

8

5

10

160x90°

2.5

5

5

10

5

10

10

20

10

10

5

10

6

12

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