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Inspection Equipments

 
   
GRANITE SURFACE PLATES (MTC-501)  
   
Granite Surface Plates
SIZE OF PLATE
FLATNESS TOLERANCE IN um, FOR ACCURACY GRADE
00
0
1
2
Weight in Kgs (approx)

250 X 250

2

5

12

25

10

300 X 300

2

5

13

26

22

400 X 250

3

5

14

28

20

400 X 400

3

6

14

28

40

500 X 300

3

6

15

30

35

630 X 400

3

7

18

32

65

630 X 630

3

7

18

32

100

800 X 500

4

7

18

36

120

1000 X 630

4

8

20

40

320

1000 X1000

4

8

20

40

500

1200 X 800

5

8

22

44

475

1600 X 1000

5

10

26

52

1100

2000 X 1000

6

12

30

60

1650

 
Granite Surface Plates meet IS.7327 - 1991 for flatness.
Granite surface Plates are manufactured to precision standards using the highest quality granite.
 
ACCURACY
Rigourous quality control inspection is carried out all stages. Final inspection is carried out by a high Precision Computerised Electronic Level.
 
ACCURACY UNDER LOAD
Granite Surface Plates are capable of supporting a total normal load of 25 kgs. Per 0.1. Sq. mtr.
 
CERTIFICATE
A certificate of accuracy is supplied with each plate as per IS: 7327 - 1991
 
TECHNICAL DATA

Granite Surface Plates are manufactured in Four Grades. The typical applicaton of these four grades of plates are as under.

 
GRADE 00 is of laboratory grade. It is specified for precision measurement in gauge rooms and metrology laboratories.
GRADE 0 is of inspection grade. It is specified for general work in quality control.
GRADE 1 is of tool room grade. It is specified for production checking work through the shop.
GRADE 2 is for use in shops for general inspection.
 
MATERIAL
Granite Surface Plates are made from seiect granite with uniform distribution of light and dark constituents. In such granite the minerals are evenly distributed resulting in a homogenous appearance. The following are the representative properties of our granites.
Texture
:
Fine
Specific Gravity
:
3.08
Density
:
90 Kg / 0.028 Cu.mtr
Hardness
:
scleroscope over 90

Modules of Elasticity

:
9.0 to 12.0 x 10

Moisture Absorption 

:
Nill
 
FLATNESS TOLERANCE

The flatness deviation of a local area of 250 mm X 250 mm of the working surface shall not exceed.

  1. 3.5 µm for plates of Grade 00
  2. 7 µm for plates of Grade 0
  3. 15 µm for plates of Grade 1
  4. 30 µm for plates of Grade 2
ADVANTAGES
  1. Granite has one of the lowest cu - efficients of expansion amongst known materials.
  2. Granite does not rust.
  3. It may chip, but will not develop a burr.
  4. It is easy to keep clean.
GRANITE SURFACE PLATE STANDS

These are fabricated of heavy angle iron and reinforced to ensure rigidity. The stands are designed to withstand the weight of the granite surface plates and are supplied with 3 levelling screws for leveling the granite surface plates.

To meet special requirements, we offer bigger size of Granite surface plate with extra thickness, Comparator stands, Granite straight edges, Granite master squares and master cylinder. Detail on these products will be forwarded on request.

     
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Mukesh Trading Company offers full range of machine tools and accessories includes work shop tools, inspection equipments, measuring tools, lathe chucks, machine vices, magnetic products, work holding equipments, CNC tooling, collets, surface plates, comparator stands, magnetic chucks, magnetic separators, Plumbing Tools, Pipe Benders,  Drain Cleaners,  Hand Tools, Power Tools,  Measuring Tools,  Carbide Tools, Cutting Tools.

Mukesh Trading Company have more than 5000 products comprising of machine tool accessories, inspection equipments, work holding equipments and magnetic products including angle plates, bench centers, tapping attachment, wheel balancing stand, power operated chucks, magnetic base, v blocks, screw jacks, sine tables, straights edges, try-squares, grinding vices, electro magnetic chucks, self centering chucks, independent chucks, tool holders, bench vices, rotary table, dividing head, drill chucks, boring heads, boring tools, high speed centers, arbors, quick change chucks, tool post grinders, keyless drill chucks, pipe centers, collet adaptors, parallel blocks.
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