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| Detailed description | ||
15mm-250mm screw diameter
300mm-8000mm screw length
40mm-400mm barrel outer diameter
L/D£º10-46
screw:
1. normal nitriding screw (SACM645)
2. top gear spray-welding bimetallic screw
3. wlfram steel screw
4. hard scries screw:NPT1,NPT2,NOT3
5. ceramic and diamond on surface screw
barrel
1. normal nitriding barrel (SACM645)
2. centrifugal casting bimetallic barrel(A¡¢B¡¢C , three grades)
3. hard series barrel£¨NPT1£¬NPT2NPT3£©
HV¡Ý290 surface hardness
HV850-1000 nitriding hardness
0.45-0.7mm nitriding depth
¡Üone degree nitriding brittleness
0.015mm screw strightness
¡Ý900HV chrome hardness
0.05-0.1mm chrome thickness
60-70HRC bimetallic hardness
0.8-2.0mm bimetallic depth |
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Zhoushan Jialong screw manufacture co.,Ltd is the professional manufacturer of designing and manufacturing all kinds of screws and barrels which are for all kind of different plastic machinery industria...
