商铺名称:厦门光沃自动化设备有限公司
联系人:吴(先生)
联系手机:
固定电话:
企业邮箱:1878187406@qq.com
联系地址:厦门市海沧区沧湖东一里海景奥斯卡
邮编:361000
联系我时,请说是在焊材网上看到的,谢谢!
1734-OX2
1734-OX2
1734-OX2
1734-OX2
3)四上四下压力棒曲线牵伸,是在三上三下的基础上增加一根罗拉和胶辊,从而形成三个区域,其后区为低牵伸区,前区为主牵伸区,而中区为微张力牵伸区。这种设计改善了前区的后胶辊和后区的前胶辊的工作条件,使前区的后胶辊主要起握住作用,后区的前胶辊主要起牵伸作用,使牵伸过程中的受力状态较为合理,可获得较好的握持效果,利于稳定条干质量。
《联系人;欧先生》
《座机:0592-5709825》
《传真:0592-5917519》
《24小时热线:18030229053微信同步》
《QQ :2479261344》
《QQ邮箱:2479261344@qq.com》
(4)四上四下压力棒加导向辊曲线牵伸,是在前胶辊前加装一根相同直径34mm的胶辊作为导向辊,从而减小输出条进入喇叭口的角度,该机设计5根上胶辊均为Φ34mm,四根罗拉同为Φ35mm,虽减少了规格和备件,方便了管理,但导向辊过于靠近前胶辊,其在前罗拉上的包围弧较短,对高速输出须条的控制有一些影响。
(5)牵伸形式特点比较。·从提高牵伸过程稳定性讲,四上四下压力棒曲线牵伸是获得好评的形式之一。·从并条机不断提高设计速度讲,如何稳定条干质量在较高的水平,选用当前较适宜的牵伸形式则显得更加重要。·压力棒的材质、断面几何形状、安装位置、防尘、除尘等均为牵伸系统的重要组成部份,必须重视。·导向辊是并条机在高速前提下出现的附加装置,使用趋势明显。
3.2对罗拉的要求
(1)在牵伸机件中,前罗拉的实开线速度已达到400m/min的高速,其机械振动也会加大而产生机械波,影响牵伸握持的稳定性,导致须条出现牵伸波,使条干质量下降。
(2)罗拉联接端面跳动及工作外圆跳动其制造应<0.008mm的内控标准,达到不出现机械波的要求。
(3)罗拉应有较高的弯曲刚度和足够的扭曲刚度其表面精度高、光洁度高、转动要平稳。
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