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English, How to determine the buchholz indentation – ALTANA Byko-Cut Universal Short Instructions User Manual

Page 4

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Measure what you see.

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ENGLISH

How to perform the Buchholz
Indentation Test

How to find the indentation mark

Select indentation tool on revolving head

Place the slip-on weight on top of the instrument

Place the byko-cut with slip-on weight on the surface for 30 sec.

Before lifting the byko-cut, mark the sample at the instrument wheels

Set upright and turn it by 180° ( see picture )

How to determine the Buchholz
Indentation

Adjust the microscope and count the markings

1 line marking = 0.02 mm
e.g. 50 line marks = 1 mm

INDENTATION

LENGTH

(mm)

INDENTATION

RESISTANCE

a

B

INDENTATION

DEPTH

(µm)

min. COATING

THICKNESS

(µm)

0,4

250,0

1

3

0,5

200,0

2

6

0,6

166,7

3

9

0,7

142,9

4

12

0,8

125,0

5

15

0,9

111,1

7

20

1,0

100,0

8

20

1,1

90,9

10

20

1,2

83,3

12

25

1,3

76,9

14

25

1,4

71,4

16

30

1,5

66,7

19

30

1,6

62,5

21

35

1,7

58,8

24

35

1,8

55,6

27

40

1,9

52,6

30

40

2,0

50,0

33

45