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Jiangsu Caidao Precision Instrument Co., Ltd.
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Jiangsu Caidao Precision Instrument Co., Ltd.Free·1YRS

  • E-mail

    jennyxiao@caidaopi.com.cn

  • Phone

    86-512-57953669

  • Address

    No.33 Yuanfeng Road, Yushan Town, Kunshan, P.R.C

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Granite gauge and blocks

Model
Nature of the Manufacturer
Manufacturer
Product Category
Parts and Accessories
Place of Origin
City, Province
Overview
Granite gauge and blocks
Product Details

Granite plates are manufactured according to the standards of developed countries; the flatness toler ance is in accordance with granite surface plate standard of GB/T20428-2006 and the Verification Regulation of plates JJG117-2005.


Measuring Temperature 20±2℃

Grade 000: 1x(1+d/1000)

Grade 00: 2x(1+d/1000)

Grade 0: 4x(1+d/1000)

Grade 1: 8x(1+d/1000)

(d for diagonal length, mm)



1. Granite parallels blocks CDGPB series


1


Order No.

Type(mm)

Precision grade (μm)

CDGPB900-9001

40×38×25

1.5

CDGPB900-9002

50×48×35

1.8

CDGPB900-9003

60×58×35

2.5

CDGPB900-9004

70×68×45

3.0

CDGPB900-9005

80×78×50

3.5


2. Granite Vee Blocks CDGVB series

V-shaped Block: applicable to measurement of concentric, circular degree, symmetry and run-out tolerance of rotational parts.


2




Order No.

Type(mm)

Flatness of working surface

Parallelism between Vslot and bottom surface

Parallelism between Vslot and side surface

Symmetry between Vslot and side surface

Squareness between Vslot and end surface

Squareness between Vslot and bottom surface

Height differ ence of the Vslot with in amatched pair

                                                              Precision grade(μm)

0

1

0

1

0

1

0

1

0

1

0

1

0

1

CDGVB600-6001

40x90°

1

2

3

1

3

6

5

10

5

5

3

6

4

6

CDGVB600-6002

63x90°

2

3

4

6

4

8

8

16

8

8

4

8

5

10

CDGVB600-6003

100x90°

2

4

4

8

4

8

8

16

8

8

4

8

5

10

CDGVB600-6004

160x90°

2. 5

5

5

10

5

10

10

20

10

10

5

10

6

12



3. Granite Box CDGBX series

Inspection of parallelism, perpendicularity and various position errors.

3


Order No.

Type (mm)

Parallelism of working surface

Flatness of working surface

Perpendicularity of working surface

                                           Precision grade(μm)

00

0

00

0

00

0

CDGBX700-7001

50×50×50

1

2

1

2

0.5

1

CDGBX700-7002

100×100×100

1

2

1

2

1

2

CDGBX700-7003

150×150×150

1.5

3

1

2

1.5

3

CDGBX700-7004

200×200×200

2

4

1.5

3

2

4

CDGBX700-7005

300×300×300

3

6

1.5

3

3

6

CDGBX700-7006

400×400×400

4

8

2

4

4

8

CDGBX700-7007

500×500×500

5

10

2.5

5

5

1

CDGBX700-7008

600×600×600

6

12

3

6

6

12

CDGBX700-7009

700×700×700

7

14

3.5

7

7

14

CDGBX700-7010

800×800×800

8

16

4

8

8

16



4. Granite Straight Edges CDGSE series

Applicable to measurement of straightness and flatness.




4


Order No.

Type(mm)

Flatness

Straightness of measuring surface

Parallelism between opposite measuring surface

                                           Precision grade(μm)

00

0

00

0

00

0

CDGSE400-4001

400x60x25

1.6

2.6

2.4

3.9

8

13

CDGSE400-4002

630x100x35

2.1

3.5

3.2

5.3

10.5

18

CDGSE400-4003

1000x160x50

3

5

4.5

7.5

15

25

CDGSE400-4004

1600x250x80

4.4

7.4

6.6

11.1

22

37

CDGSE400-4005

2000x300x100

5.4

10

8.1

13.5

27

45





5. Granite Parallels CDGPL series

As a substitute product for equal-height block, the parallel gauge is used for the measurement of parallel ism of parts and is supplied in a pair or pairs.



5

Order No.

Type(mm)

Flatness of working sur face & parallelism of opposite surface

Squareness between working surfaces

Tolerance of H.W between matched pair

                                               Precision grade (μm)

00

0

00

0

00

0

CDGPL500-5001

160x25x16

1.5

3

20

40

1.5

3

CDGPL500-5002

250x40x25

2

4

30

60

2

4

CDGPL500-5003

400x63x40

4

8

40

80

4

8

CDGPL500-5004

630x100x63

6

12

50

100

6

12



6.Granite Squares Rulers CDGSR series

Applicable to detection of perpendicularity and parallelism and used as absolute measurement reference of 90°.


6

Order No.

Type(mm)

Squareness beteween abjacent measuring surfaces

Flatness & straightness of measuring surface

Parallelism between opposite measuring surface

                                                     Precision grade(μm)

00

0

00

0

00

0

CDGSR200-2001

150x150

1.8

3.5

0.8

1.6

1.8

3.5

CDGSR200-2002

160x160

2

4

0.8

1.7

2

4

CDGSR200-2003

200x200

2

4

0.9

1.8

2

4

CDGSR200-2004

250x250

2.2

4.5

1

2

2.2

4.5

CDGSR200-2005

315x315

2.6

5.2

1.1

2.3

2.6

5.5

CDGSR200-2006

400x400

3

6

1.3

2.6

3

6

CDGSR200-2007

500x500

3.5

7

1.5

3

3.5

7



7.Granite Squares CDGSQ series

Applicable to measurement of parts, main shaft of machine tools and various

1

Order No.

Type(mm)

Squareness beteween measuring surface datum surface

Flatness & straightness of measuring surface

Flatness & straightness of datum surface

                                                   Precision grade(μm)

00

0

00

0

00

0

CDGSQ300-3001

100x63

1.5

3

1

1

1

1

CDGSQ300-3002

160x100

2

4

1

2

1

1

CDGSQ300-3003

250x160

2

4

1

2

1

2

CDGSQ300-3004

400x250

3

6

1.5

3

1

2

CDGSQ300-3005

630x400

4

8

2

4

1.5

3

CDGSQ300-3006

1000x630

6

12

2.5

5

2

4


Application

Granite gauge and blocks are widely used for precision measurement and calibration of precision instruments.


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