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Automotive Machinery 
Home Department Store 
International Logistic Service 3inch Lug type Air Expand 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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