Manufacturer of Turbine Components
Manufactures various types of steam turbines ranging from 5MW - 50MW,including condensing, backpressure, and extraction-condensing designs
Red Lead
Red lead, also known as lead oxide (Pb₃O₄), is a bright orange-red powder insoluble in water.
Category:
Power Plant Auxiliary Materials
key word:
Description
Red lead, also known as lead oxide (Pb₃O₄), is a bright orange-red powder insoluble in water.
1. Application Scenarios:
● Gear Transmission: Inspect meshing contact spots to ensure smooth transmission.
● Thrust Bearing Surface: Evaluate bearing contact conditions to prevent localized deformation.
● Surface lapping: Apply red lead powder with a flat plate to determine flatness deviation.
2. Usage Method:
● Clean surface: Thoroughly clean the test surface to remove oil, contaminants, and substances that may affect color development.
● Apply red lead powder evenly: Use a brush or cloth to apply a thin, uniform layer of red lead powder to the test surface, such as gear tooth surfaces or thrust bearing surfaces.
● Apply load and grind: For gear meshing, gently rotate the pinion gear to turn the ring gear 1-2 revolutions. For thrust bearing surfaces, after reinstalling the bearing, manually rotate the shaft or apply axial load to ensure thorough grinding of the contact surfaces.
● Observe contact points: After disassembling the components, examine the transfer marks of the red lead powder. More and more evenly distributed contact points indicate better surface conformity.
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A production-oriented enterprise specializing in the processing, production, and research and development of steam turbine components