Pairs of supply Granite Vee Blocks

Granite Vee Blocks. 1.Brand name:TAI GOLD STONE 2.Material:Ji Nan Black

Granite Vee Blocks

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

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.

The "TAI 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.

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

Pairs of supply Granite Vee Blocks