JZ-11010H林大发上门维修

时间：2021-01-27

上海武田机电有限公司专业代理销售 TRELAWNY打磨机，TRELAWNY研磨机，TRELAWNY划痕器，产品型号齐全，价格从优，欢迎来电咨询！TRELAWNY表面处理机器

TRELAWNY打磨机，TRELAWNY研磨机，TRELAWNY划痕器

With over fifty years experience in the design, manufacture and sales of surface preparation equipment, TRELAWNY has earned a reputation of providing tough tools for tough jobs. Trelawny tools are available through a professional network of distributors world-wide covering over 60 countries worlwide. Floor Planers/Scarifiers Removing of scale, rust, paint and other deposits from steel and concrete sufaces. Floor Grinder Removing high spots, coatings and debris from floors. Grinding Terrazzo floor tiles. Planetary Grinders Removing tough coatings, like glue, paint, adhesives, and other coverings ... Floor Scabblers Breaking thick floor coating, produce a keyed profile on concrete and remove laitance from newly poured concrete. Hand Scabblers Removing coatings on steel to bush hammer profiling, keying and the reduction of concrete. Hand Scarifiers Removing coating and coverings from walls, floors, piping and curved surfaces. Needle & Chisel Scalers Removing coating, corrosion, stress removing welds or other accumulated materials. Long Reach/Scrapers Removal of floor tiles, plaster, residues, chemical spillages, ice, roofing materials, resin, general workshop soiling or metal slag. Pole Scabblers Powerful tools for deep concrete dressing and back-fill tamping especially in and around deep foundations and utility poles. Pole Tampers Pneumatic compactor for restricted excavations and re-instatement tasks. Portamix The Mixing tool for flooring and coating specialists

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LCD-3型转子一点接地继电器(以下简称继电器)系作为大型发电机转子励磁回路对地绝缘之用，当发电机转子发生一点接地故障或某处绝缘下降到一定数值时，继电器立即，发出故障或直接作用于跳闸。 2 结构和原理一般转子接地继电器，用转子接地电流作为测量判据，而这个新型的继电器用转子的绝缘电导作为测量判据，即测量转子接地电阻并进行。它与转子的接地电容无关，只根据电机温升和电机容量而变化。这样，继电器就具有很