smc气动阀,SMC气缸价格
原理：通电时，气缸线圈产生气缸力把关闭件从阀座上提起，阀门打开；断电时，气缸力消失，弹簧把关闭件压在阀座上，阀门关闭。
特点：在真空、负压、零压时能正常工作，但通径一般不超过25mm。
原理：它是一种直动和先导式相结合的原理，当入口与出口没有压差时，通电后，气缸力直接把先导小阀和主阀关闭件依次向上提起，阀门打开。当入口与出口达到启动压差时，通电后，气缸力先导小阀，主阀下腔压力上升，上腔压力下降，从而利用压差把主阀向上推开；断电时，先导阀利用弹簧力或介质压力推动关闭件，向下移动，使阀门关闭。
特点：在零压差或真空、高压时亦能可*动作，但功率较大，要求必须水平安装。
There are two methods for the research on the combination of cylinder and surface:
(1) is not tight with the bolt, Jack slightly move the cylinder before and after, according to the case with red colored cylinder to scrape. This method is suitable for the high pressure cylinder with rigid structure.
(2) is tight with the bolt face, according to the examination with the feeler tightness, and the pressure of the measured numerical traces, scrape the surface, this method can eliminate the effect of vertical cylinder arc gap.
日本SMC气缸型号：
L-CDA1BN80-155
L-CDA1BN80-160
L-CDA1BN80-175
LCDA1BN80175BC8
LCDA1BN80175BC9
L-CDA1BN80-180
LCDA1BN80180KAC
L-CDA1BN80-1900
L-CDA1BN80-192
L-CDA1BN80-200
LCDA1BN80200BC8
LCDA1BN80200XC4
LCDA1BN8020AXC8
L-CDA1BN80-210
L-CDA1BN80-215
L-CDA1BN80-220
L-CDA1BN80-225
L-CDA1BN80-230
L-CDA1BN80-240
L-CDA1BN80-25
L-CDA1BN80-250
LCDA1BN80250BC8
LCDA1BN80250XC6
LCDA1BN8025BXC8
L-CDA1BN80-260
L-CDA1BN80-270
L-CDA1BN80-280
L-CDA1BN80-285
L-CDA1BN80-290
L-CDA1BN80-30
L-CDA1BN80-300
LCDA1BN8030060C
LCDA1BN80300BC8
LCDA1BN80310300
L-CDA1BN80-320
L-CDA1BN80-35
L-CDA1BN80-350
LCDA1BN80350KAC
L-CDA1BN8035XC6
L-CDA1BN80-370
L-CDA1BN80-40
L-CDA1BN80-400
L-CDA1BN80-425
L-CDA1BN80-430
LCDA1BN80430BC8
L-CDA1BN80-45
L-CDA1BN80-450
L-CDA1BN80-45K
L-CDA1BN80-470
L-CDA1BN80-480
L-CDA1BN80-50
L-CDA1BN80-500
LCDA1BN80501001
LCDA1BN805075C1
LCDA1BN8050BXC8
LCDA1BN8050C3BC
L-CDA1BN80-50H
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