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To: Annie Fu

Lug type , key bar type Air Expanding shaft

Product description

Lug type , key bar type  Air Expanding shaft

 

This air Expanding shaft is specially to use in wind and unwind . the shaft body material is aluminum alloy, or metal plating chromium,  accurate assembly, convenient to use and long operating life.when using ,fill the air to the air charging port to make shaft  uniform expansion, then the key bar lock the paper Core , when unloading , press on deflated mouth  to discharge the air , then the paper core can be unloaded .( if the core is paper material the keybar material is aluminum alloy , if the core is the

Metal material ,the keybar is rubber )

 

 

specification

Uninflated diameter(mm)

Inflated diameter(mm)

Applicable volume tube inner diameter(mm)

1 inch

24.8

27~28

25~26

1.5 inch

37

40~42

38~38.5

 

 

 

 

2 inch

49

52~54

50~51

3 inch

74~75

80~81

75.5~78

4 inch

99

104~106

101~102

5 inch

125

130~133

126~128

6 inch

150

154~156

151~153

8 inch

200

206~213

202~204

10 inch

250

260~264

252~256

12 inch

300

308~310

302~305

 

Application

The air shaft is applicable to winding and unwinding shaft of printing machine ,cutting machine ,slitting machine ,coating machine ,lamination machine ,bag making machine and so on

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