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01 bearings

Thrust Bearing推力轴承 Thrust Bearing推力轴承 Any questions?? 有什么问题吗? * * Process gas compressor tilting pad journal bearing with varnishing. Occurred very shortly after scheduled maintenance, which included fresh oil reservoir charge. Affected all oil wetted loaded parts. Detected via high operating temperatures. Unit had never had problem previously. Root cause traced to manufacturer lube oil feedstock. Change of oil charge resolved problem. * Yamanaka Journal Bearings 径向轴承 Purpose of Journal Bearings 径向轴承的作用 Support and distribute rotor weight and forces 支撑和分配转子的重量和力 Maintain concentricity 保持同心度 Provide stabilizing forces 保持转子稳定 Journal Bearings 径向轴承 Pads 轴瓦 Base Ring 轴承体 Bearing and Seal Arrangement Drawing (Journal End) 轴承和密封安装图(驱动侧) Journal Bearing Orifices 径向轴承孔板 Typically Shown on Compressor Assembly. 压缩机装配的典型示例 Typical Journal Bearing Orifice 典型径向轴承孔板 18/64” (7.1 mm) Journal Bearing Assembly 径向轴承组装 Anti-rotation pin 防转销 Matchmarks 装配标记(钢印) RTD position 位置 Visual Inspection 目检 Scratches/Scoring, Pads or Shaft 轴瓦及轴上的划痕 Wiping/Smearing 擦伤 Hot Spots 焼痕 Missing Babbitt (Whitemetal) 巴氏合金被磨穿 Cracks 裂纹 Affected Tilt Pad Journal Bearing 损坏的径向轴承可倾瓦块 Pinch Check 压过盈 0.000 - 0.001 inch (0.000 - 0.025 mm) Interference过盈 0.010 inch (0.25 mm) shim垫片 0.015 inch (0.38 mm) dia. wire at top and 45 degrees 0.015 英寸 (0.38 毫米) Lift Check抬轴测间隙 Lifting Device Dial Indicators Shaft Bearing Retainer Brg Endwall Journal Bearing Clearances (Diametrial) 径向轴承间隙 (径向) Shown on Bearing and Seal Arrangement Drawing 标注在轴承和密封安装图上 0.006-0.008 inches英寸 0.16-0.20 mm毫米 Base Ring Dia. Clr. 0.024-0.026 inches英寸 轴承体直径间隙 0.60-0.66 mm毫米 Journal Bearing Replacement 径向轴承的更换 Bearings with clearances greater than 1.5 times design clearance should have pads replaced. 轴承间隙大于设计值的1.5倍时,应当更换轴瓦。 Bearings with clearances less than 1.5 times design clearance can be reused if pads are in good condition. 轴承间隙小于设计值的1.5倍时,如果轴瓦状况良好可以继续使用。 Individual pads can be replaced. 可以只更换一个或几个轴瓦。 Wire Gro

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