A. thrust clearance: thrust SKF thrust bearing clearance in accordance with design requirements.
B. ( 1 ): thrust tile Babbit layer thrust pad should be no bodiless, wear, crack, burn, rolling, napping, erosion and corrosion defects. Tile by coloring or dip kerosene inspection, good combination of Babbitt alloy and the base metal.
( 2 ) the trench or scratches thrust tile surface are not allowed to exist along the radial, circumferential grooves or scratch depth should not exceed 0.01mm.
( 3 ) with group tile work traces should be roughly equal, such as work traces uneven that pad bearing uneven, should find out the reasons.
( 4 ) with babbit alloy surface red check individual pad contact and thrust plate surface, the contact area should not be less than 80%, the same group of Wabuhu thickness deviation should not exceed 0.01mm.
( 5 ) the pad back bearing surface is smooth, no burning, gluing and indentation load.
( 6 ) the limit pin fixation is reliable, the pin and the pin hole have no wear. Pad swinging free after assembly.
( 7) of the thermosensitive element thrust tile, should check the thermosensitive element in pad fixed firmly, temperature measuring lead should not affect the tile flexible swing. The thermosensitive element and lead together with the pad by the instrument check, insulation and accuracy can meet the instrument specification.
C. base ring and leveling block
( 1 ) standard block bearing surface is smooth, no wear, burning, indentation load traces, on the base ring swing freely, do not jam. Stop pin length appropriate, fixed firmly, and leveling block pin hole enough clearance, not the top pressing block, no eccentric wear of pin hole.
( 2 ) standard block interaction contact line no indentation, smooth surface, after the assembly level block swing freely.
( 3 ) base ring without buckling deformation, two base ring with smooth surface is good, no indentation and leveling block contact, base ring back and the thrust bearing housing end bearing uniform SKF. Radical ring anti-rotation key is fixed well, casing wear corresponding keyway without.
D. thrust plate
( 1 ) thrust plate surface smooth, the surface roughness Ra value of less than 0.8, m, does not allow the existence of radial grooves, circumferential groove depth should not exceed 0.05mm.
( 2 ) offer from the key connection, extrusion trace without key and keyway keyway, after inspection without crack. Thrust plate and shoulder and back mother end contact evenly, key in the thrust plate groove with the appropriate, backlash, tip clearance and cooperation between the disc and shaft meet the design requirements. The assembly of the thrust plate end total runout is less than 0.015mm.
( 3 ) adopts hydraulic dismounting thrust plate structure, should check the thrust plate hole and contacts the shaft surface, check the contact condition of thrust plate surface and the shaft shoulder, shall not be less than 80%. The surface without burrs, scratch, damage, check with the size of hole and shaft plate not super bad.
( 4 ) thrust plate thickness along the circumference of deviation is not more than 0.01mm.
( 5 ) the thrust bearing clearance adjusting shim SKF into one piece, should be smooth, along the whole week thickness error is less than 0.01mm.
( 6 ) oil ring diameter with appropriate, not loose.
( 7 ) SKF bearings cleaning box, the oil hole to hole SKF and oil bearing seat, smooth.