Product
Contact
  • Add: Changzhou,China
  • Contact: Zhao Lei
  • Phone: 13921088836
  • Tel: 0519-86201090
  • Fax: 0519-86205018
  • Q Q:120602038
  • E-mail:sn-steelball@hotmail.com

Technical parametersYour location: Home>Technical parameters

The main technical parameters:

Tolerance level and technical requirements:

Grade

 

Ball diameter variation

Spherical deviation

Ball surface roughness

Ball diameter variation

Basic diameter tolerance

Vdws

△Sph

Ra

Vdwl

Tdn

No more than,not over

um

10

0.25

0.25

0.025

0.5

*

16

0.4

0.4

0.032

0.8

*

20

0.5

0.5

0.05

1

*

28

0.7

0.7

0.05

1.5

*

40

1.0

1.0

0.08

2

*

60

1.5

1.5

0.10

3

*

100

2.5

2.5

0.125

5

±12.5

200

5

5

0.2

10

±25

500

13

13

*

25

±50

1000

25

25

*

50

±125

Ball vibration conditions:

Accuracy class
Vibration group
Ball diameter

G20

G16

G10G5G3

 

 

 

Z1

Z2

Z3

over

To

average value

A single value

average value

A single value

average value

A single value

4.5

6.5

39.5

41.5

37.5

39.5

35.5

37.5

6.5

7.5

40

42

38

40

36

38

7.5

10

40.5

42.5

38.5

40.5

36.5

38.5

10

11

42

44

40.5

42.5

36.5

40.5

11

12

42.5

44.5

41

43

39

41

121

13

43

45

41.5

43.5

39.5

41.5

13

14

43.5

45.5

42

44

40

42

14

15

44

46

42.5

44.5

40.5

42.5

15

16

44.5

46.5

43.5

44.5

40.5

42.5

16

17

45

47

43

45

41

43

17

17.5

45.5

47.5

43

45

41

43

Carbon steel ball surface hardening depth:

Nominal size

Minimum hardened layer

≥at least

<at least

 

 

0.3

1.5

0.1

15

2.0

0.4

2.0

3.0

0.5

3.0

4.5

0.6

4.5

5.5

0.8

5.5

6.5

0.9

6.5

9.5

1.1

9.5

11.0

1.4

11.0

12.5

1.7

12.5

14.0

1.8

14.0

19.0

1.9

19.0

38.0

2.0

Batch diameter variation and commonly regulated value, dividers value:

Grade

Batch diameter variation

Gauge spacing

Commonly regulated value

Divider value spacing

Divider value

 

 

 

 

 

10

0.5

1

-9,…-1,0,+1,…+9

0.2

-0.4,-0.2,0,+0.2,+0.4

16

0.8

2

-10,…-2,0,+2,…,+10

0.4

-0.8,-0.4,0,+0.4,+0.8

20

1

2

-10,…,-2,0,+2,…,+10

0.4

-0.8,-0.4,0,+0.4,+0.8

28

1.4

2

-12,…-2,0,+2,…,+12

0.4

-0.8,-0.4,0,+0.4,+0.8

40

2

4

-16,…-4,0,+4,…,+16

0.8

-1.6,-0.8,0,+0.8,+1.6

60

3

5

-20,…,-5,0,+5,…,+20

1

-2,-1,0,+1,+2

Batch diameter variation and commonly regulated value, dividers value:

Grade

Batch diameter variation

Gauge spacing

Commonly regulated value

Divider value spacing

Divider value

 

 

 

 

 

10

0.5

1

-9,…-1,0,+1,…+9

0.2

-0.4,-0.2,0,+0.2,+0.4

16

0.8

2

-10,…-2,0,+2,…,+10

0.4

-0.8,-0.4,0,+0.4,+0.8

20

1

2

-10,…,-2,0,+2,…,+10

0.4

-0.8,-0.4,0,+0.4,+0.8

28

1.4

2

-12,…-2,0,+2,…,+12

0.4

-0.8,-0.4,0,+0.4,+0.8

40

2

4

-16,…-4,0,+4,…,+16

0.8

-1.6,-0.8,0,+0.8,+1.6

60

3

5

-20,…,-5,0,+5,…,+20

1

-2,-1,0,+1,+2

Ball Specifications Conversion and weight tables:

Ball diameter

1000 ball

Per kilogram steel ball

Ball diameter

1000 ball

Per kilogram steel ball

Ball diameter

1000 ball

Per kilogram steel ball

mm in

Heavy(kg)

Number (approximate) 

mm in

Heavy (kg)

Number (approximate)

mm in

Heavy (kg)

Number (approximate)

0.5000

0.00051

1960780

8.0000

2.09

478

20.637013/16

35.8

27.9

0.6800

0.00128

781250

8.5000

2.5

400

21.0000

37.75

26.49

0.8000

0.00209

478470

8.731211/32

2.71

369

21.4313 27/32

40.1

24.9

1.0000

0.00408

245100

9.0000

2.97

337

22.2250 7/8

44.8

22.3

1.2000

0.00705

141840

9.5250 3/8

3.52

284

23.0000

49.95

20.17

1.3000

0.00893

111980

10.0000

4.08

245

23.0188 29/32

49.8

20.1

1.4500

0.0124

80645

10.3188 13/32

4.48

223

23.8125 15/16

55.1

18.2

1.5880 1/16

0.016

62350

11.0000

5.42

185

24.0000

56.34

17.75

1.7500

0.0218

45871

11.1125 7/16

5.60

179

24.6063 31/32

60.8

16.5

2.0000

0.0325

30700

11.5000

6.22

161

25.0000

63.68

15.70

2.3812 3/32

0.055

18182

11.5094 29/64

6.22

161

25.40000 1

66.89

15

2.5000

0.0637

15698

11.9062 15/32

6.88

145

26.9875 1'/32

73.3

13.64

3.0000

0.110

9091

12.0000

7.04

142

26.9875 1'/16

80.2

12.47

3.1750 1/8

0.131

7634

12.303131 /64

7.60

132

27.7812 1'/32

87.4

11.4

3.5000

0.175

5717

12.7000 1/2

8.35

120

28.0000

89.47

11.18

3.9688 5/32

0.255

3922

13.4938 17/32

10.0

100

28.5750 1'/8

95.2

10.50

4.0000

0.261

3831

14.0000

11.18

89

30.1625 1'/16

112

8.93

4.7625 3/16

0.441

2268

14.2875 9/16

11.9

84.0

 

 

 

5.0000

0.510

1961

15.0812 19/32

14.0

71.4

 

 

 

5.1594 13/64

0.560

1786

14.8750 5/8

16.3

61.3

 

 

 

5.5562 7/32

0.699

1431

16.0000

16.69

59.9

 

 

 

5.9531 15/64

0.860

1163

16.6688 21/32

18.9

52.9

 

 

 

6.0000

0.881

1136

17.0000

20.02

50

 

 

 

6.3500 1/4

1.04

962

17.4625 11/16

21.7

46.1

 

 

 

6.5000

1.119

894

18.2562 23/32

24.8

40.3

 

 

 

6.7469 17/64

1.25

800

19.0000

27.96

35.77

 

 

 

7.1438 9/32

1.49

671

19.0500 3/4

28.2

355

 

 

 

7.9372 5/16

2.04

490

19.8438 25/32

31.9

31.4

 

 

 

关闭

集团官方二维码,手机或平板扫描可直接访问集团网站