花岗石V形块－量仪量具

花岗石V形块

JB/T7947-1999

用于回转类零件的同轴度、同心度、对称度、跳动量的测量。
For inspecting the coaxality cylindricity symmetry and shifting of revolution parts.

花岗石V形块精度：

编号
No

规格
Dimension
mm

工作面
平面度
Flatness of
working surface
(μm)

V形槽对底面

的平行度
Parallelism

between V

slot to bottom surface(μm)

V形槽对侧面

的平行度
Parallelism

between V

slot & side surface(μm)

V形槽对两侧

面的对称度
Symmetry

between V

slot&side surface(μm)

V形槽对端面的
垂直度
Perpendiculartye

tween V
slot & end surface

(μm)

V形架侧面的
垂直度
Perpendicularty between side

surface & end surface(μm)

V形架V形槽

对底面的高度差
Height

difference

of the V slot within a

matched pair (μm)

0级
Grade0

1级
Grade1

0级
Grade0

1级
Grade1

0级
Grade0

1级
Grade1

0级
Grade0

1级
Grade1

0级
Grade0

1级
Grade1

0级
Grade0

1级
Grade1

0级
Grade0

1级
Grade1

104-0001
104-0001
104-0001

63×63×90
100×100×90
63×63×90

1.5
2
2.5

3
4
5

4
4
5

8
8
10

4
4
5

8
8
10

16
16
20

8
8
10

4
4
5

8
8
10

5
5
6

10
10
12