Since 2017, the company has completely stopped production and sales of '' "spindle chuck''
Exapnding MandrelHOME / Product

PTG Expanding Mandrel

0.015 T.I.R Accuracy

Product Features

Large expansion range up to 0.6 mm

Double-angle principle allows for fast loading/unloading of components

Greater holding power by applying pressure.Evenly along the length of the sleeve

Guaranteed accuracy of 0.015mm

 

Dimension and Specification

( unit : mm )

Standard Type Sleeve

Standard Type

3A1

2C1

1C1

18C1

4C1

5C1

6C1

7C1

8C1

A ( Dia. )

Min.

12.5

16.0

22.0

28.5

41.0

63.5

76.2

89.0

130.0

Max.

16.0

22.0

28.5

41.0

63.5

76.2

89.0

130.0

178.0

B

60

66

72

79

84

109

118

133

153

C

20

25

30

D

22.0

27.0

32.0

38.0

43.0

51.0

57.0

63.5

79.5

E

14.6

15.0

15.5

15.3

14.8

25.3

24.7

25.2

24.5

F

20

22

30

31

36

36

37

47

22

G

40

60

100

H

75

120

180

J

11.0

15.0

20.0

26.5

37.5

55.0

74.5

86.5

124.0

K

6

L

12.6

14.1

20.7

26.3

37.0

57.3

71.1

84.1

123.0

M ( Pull Thread )

M4

M8

M8

M10

M12

M20

M20

M24

M36

N ( Bolts )

Ø58-M8

Ø94-M10

Ø150-M12

R

Ø28-M4

Ø58-M6

Ø94-M8

Ø150-M10

Max. Pull Force ( kgf )

700

1000

1200

1800

2300

2800

3200

3700

5500

 

 

( unit : mm )

Flush Type Sleeve

Flush Type

3A2

2C2

1C2

18C2

4C2

5C2

6C2

7C2

8C2

A ( Dia )

Min

16.5

22.0

28.5

40.0

51.0

73.0

89.0

101.0

143.0

Max

22.0

28.5

40.0

51.0

73.0

89.0

102

143.0

178

C

20

25

30

D

26.0

32.0

38.0

45.0

50.0

60.0

69.0

78.5

99.5

E

14.6

15.0

15.5

15.3

14.8

25.3

24.7

25.2

24.6

F

20

22

30

31

36

36

37

47

22

G

40

60

100

H

75

120

180

J

11.0

15.0

20.0

26.5

37.0

55.0

74.5

86.5

124.0

K

6

L

12.6

14.1

20.7

26.3

37.0

57.3

71.1

84.1

123.0

M ( Pull Thread )

M4

M8

M8

M10

M12

M20

M20

M24

M36

N ( Bolts )

Ø58-M8

Ø94-M10

Ø150-M12

R

Ø28-M4

Ø58-M6

Ø94-M8

Ø150-M10

Max. Pull Force ( kgf )

700

1000

1200

1800

2300

2800

3200

3700

5500

 

If you meet the regust to order a draw-nut from us,please download the sheet[spindle and draw tube information] in the following link to fill all nessessary information for us, we can set up a proper ready draw-nut for you.