可变速送罐三片罐电阻焊设备研发

为了解决三片罐罐身出现裂口、三片罐罐身两端不齐、焊机轮系的不稳定和罐身焊接时搭接量不稳定的问题,研发了可变速送罐的三片罐电阻焊设备。该型设备采用了可变速送罐机构、稳定的焊机轮系、新型铜线压扁机构和新型定径规,可以很好地控制送罐速度,保证焊接轮系的稳定性、控制铜线的压扁尺寸和保证搭接质量,大大提升了电阻焊机的工作稳定性,减少了废品罐出现的次数,提高了三片罐的焊接质量。

Palynomorphs from Metamorphic Rocks in Southern Anhui and Their Geological Significance

The southern Anhui metamorphic terrane is traditionally regarded as a part of middle-lateProterozoic "Jiangnan Old Land". Based on the occurrence of palynomorphsAsperatopsophosphaera sp., Trachysphaeridium sp. and Nucellosphaeridium sp. (late