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Flat Precision High CO Granite Surface Plate Grades 000

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Flat Precision High CO Granite Surface Plate Grades 000

Flat Precision High CO Granite Surface Plate Grades 000
Flat Precision High CO Granite Surface Plate Grades 000

Large Image :  Flat Precision High CO Granite Surface Plate Grades 000

Product Details:
Place of Origin: China
Brand Name: FMS
Certification: CO
Model Number: custom-made
Payment & Shipping Terms:
Minimum Order Quantity: 5
Price: Negotiable
Packaging Details: wooden
Delivery Time: 10 work days
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 100PC /30days
Detailed Product Description
Material: Black Granite Application: High Precision Industry
Tolerance: 00 Grade HS Code: 90179000
Name: Flat Precision High Granite Surface Table Grades 000 Measure Method: Manual
Optional Accessory: Stand For Granite Surface Plate Standard: DIN876 II
Usage: Laboratory Measuring Tool
High Light:

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Flat Precision High Granite Surface Table Grades 000

The grading system for granite surface plates is based on the degree of flatness and tolerance that is accomplished. The American Society of Mechanical Engineers (ASME) offers required specifications that go beyond the quality of flatness in order to standardize the use of granite surface plates. These additional qualities include: support point location, surface finish, methods of inspection, repeat measurement accuracy, material properties of granites, and more. However, the three main grades for standard granite surface plates follow the federal specifications for flatness tolerance. Those grades are: Laboratory Grade AA which means the plate has a flatness tolerance equal to (40 + diagonal squared/25) x .000001″ (unilateral), Inspection Grade A which has a flatness tolerance equal to Laboratory Grade AA times two, and Tool Room Grade B which has a flatness tolerance equal to Laboratory Grade AA times four.

(d is the length of the diagonal)

Specification
Length × Width × Thickness (mm)

Weight (kgs)

Precision Grade (μm)

000

00

0

1

300 × 200 × 50

17

1.5

3

6

12

300 × 300 × 50

19

1.5

3

6

12

400 × 300 × 70

25

1.5

3

6

12

400 × 400 × 70

48

2

3.5

6.5

13

630 × 400 × 100

76

2

3.5

7

14

630 × 630 × 100

155

2

4

8

16

800 × 500 × 130

156

2

4

8

16

1000 × 630 × 130

284

2.5

4.5

9

18

1000 × 750 × 150

338

2.5

5

9

18

1000 × 1000 × 150

450

2.5

5

10

20

1600 × 1000 × 200

963

3

6

12

24

2000 × 1000 × 200

1200

3.5

6.5

13

26

1600 × 1600 × 300

2312

3.5

6.5

13

26

2000 × 1600 × 300

2890

3.5

7

14

28

2500 × 1600 × 300

3612

4

8

16

32

3000 × 2000 × 500

9030

4.5

9

18

36

4000 × 2000 × 500

12040

5.5

11

22

44

6000 × 2000 × 700

25284

7.5

15

30

60

 

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