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Engineers Granite Surface Plate Inspection Surface Plates Conforming To GB117-2015

Engineers Granite Surface Plate Inspection Surface Plates Conforming To GB117-2015

granite inspection plate

granite angle plate

Place of Origin:

China

Brand Name:

Willing

Certification:

CO

Model Number:

2000 x 5000 mm

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Request A Quote
Product Details
Material:
Black Granite
Color:
Black
Application:
Industry
Flatness:
00grade
Size:
2000 X 5000 Mm
Weight:
338 KGS
Highlight:

granite inspection plate

,

granite angle plate

Payment & Shipping Terms
Minimum Order Quantity
5
Price
USD200-300
Packaging Details
wooden
Delivery Time
10 work days
Payment Terms
T/T, Western Union
Supply Ability
100PC /30days
Product Description

Engineers Granite Surface Plate

 

Granite Surface Plates are used for precision gauging, inspection, layout and marking purposes. They are preferred by Precision Tool Rooms, Engineering Industries and Research Laboratories because of their following outstanding advantages.

No rust, no corrosion, relatively warp-free, no compensating hump when nicked, longer wear, smoother action, greater precision, non magnetic, less care after commissioning, lower co-efficient of thermal expansion and non glaring surface.

Salient Features :

Made from close-grained Granite having uniform color and texture having hardness between 5.6 to 7 on Moh's scale, sound and free from flaws fissures and large inclusions of softer minerals.
Made generally as per GB117-2015. Also available on request conforming to DIN-876-1972, BS-817-1988, JIS -B-7513 and US Federal specification GGG-P-463-C.
metallic threaded inserts, metallic T-slots, Plates with two or four ledges also can be supplied against specific request at extra cost.
Rexine cover provided for top working surface with each Plate.
steel stand with leveling screws are available on request at extra cost.
Granite Lapping Plates square and rectangular available on request.
Also available in Grade 00 as per DIN 876.
Sizes offered from 200x300mm to 8000x2000mm
Other sizes are also offered on request.

 

Physical Property of Jinan Black Granite:


Specific Gravity: 3.03 g/cm3
Shore Hardness: > 70Hs-80Hs
Tensile strength: 211Kg/cm2
Compressive Strength: 245-254Mpa
Linear Expansion Coefficient: 4.61´10--6/°C
Elastic Modulus: 30-50Gpa

Water Absorptivity: ≤0.13%

 

Product Application:

Mainly used to measure parallel and equal altitude of precision instrument, precision tool, mechanical component in modern industry and scientific research institutes.
We are able to manufacture the Granite Surface Plate with the good and stable flatness according to standard of DIN/JIS/GB.

 

 

Our granite surface plate refers to the advanced standards of the leading countries, and its flatness tolerance is in accordance with the JB/T 7975-1999 Surface Plate:

 

Grade 000 =1x(1+d/1000)/μm

Grade 00 =2x(1+d/1000)/μm

Grade 0 =4x(1+d/1000)/μm

Grade 1 =8x(1+d/1000)/μm

(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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