English guide to common diagram labels
The equipment descriptions explain these original diagrams in English. The original artwork is retained.
- 轴承
- Bearing
- 内圈
- Inner ring
- 外圈
- Outer ring
- 滚动体
- Rolling element
- 保持架
- Cage
- 密封
- Seal
- 径向
- Radial
- 轴向
- Axial
- 主轴
- Main shaft / spindle
- 偏航
- Yaw
- 变桨
- Pitch
- 齿轮箱
- Gearbox
- 发电机
- Generator
- 丝杠
- Screw
- 工作台
- Table
- 减速机
- Reducer
- 连铸
- Continuous casting
- 热轧
- Hot rolling
- 冷轧
- Cold rolling
- 烘缸
- Drying cylinder
- 压榨
- Pressing
- 破碎机
- Crusher
- 振动筛
- Vibrating screen
- 回转支承
- Slewing bearing
- 磨煤机
- Coal pulverizer
Define the issue and the meaning of inputs
Define the issue
record position, radial/axial load sources, peak duration, start-stop cycles and actual shaft speed. Rolling-line velocity is not bearing rpm, and machine power is not equivalent bearing load.
Continuous casting: heat, steam and deflection
Positions
mould, segment rollers and ladle turrets.
Roller arrangements
full-complement cylindrical, needle, spherical/single-row self-aligning, three-ring and water-cooled split options according to position/envelope.
Turrets
three-row cylindrical slewing and self-lubricating plain supports under alternating overturning loads.
Engineering focus
thermal stability, sealing, operating clearance, lubrication and roller thermal deflection; distinguish bearing from ambient temperature.
Hot strip/plate: work and backup rolls
Positions
roughing/finishing work rolls and backup rolls.
Arrangement
four-row tapered or cylindrical bearings with double-row tapered/thrust supports; oil-film backup rolls have dedicated large-angle tapered locating arrangements.
Conditions
rolling forces, shocks, speed and coolant ingress; treat radial and axial loading separately.
Engineering focus
material/heat treatment, mounted clearance, lubrication and sealing; finishing precision requirements are not identical for every position.
Cold rolling and Sendzimir: precision and matching
Cold rolling
four-row cylindrical/tapered and side-support arrangements for different stand architectures, with inner-ring machining, precision and clearance concerns.
Sendzimir
two-/three-row cylindrical backup supports with matched section height and rotational precision.
Engineering focus
matched sets, roll-system stiffness, profiles and seals together.
Provide
stand layout, roll position, matching identifiers, installation and grinding records, not a designation alone.
Follow an evidence-based inspection path
Inspection path
connect rolling events, cooling/sealing, lubrication, temperature and teardown position. Check support arrangement and load distribution before fatigue-life or static assessment. Do not invent conversion factors or substitute C0 for C in a fatigue-life formula.
Information for a technical enquiry
Equipment and position
machine model, mounting position and complete bearing designation with suffixes. For replacements, include the original arrangement and fit dimensions.
Operating records
bearing speed in rpm, radial and axial loads, shocks and starts/stops. Paper-web and rolling-line speeds are not bearing rotational speeds.
Lubrication and assembly
lubricant grade, oil supply or relubrication records, temperature, mounted clearance or preload, seals and contamination.
Problem and objective
temperature rise, noise, vibration or flaking, timing, photographs and maintenance records, plus the outage window or redesign objective.
Record a practical verification plan
Record drawing/reference versions, original duty, proposed changes, verification methods and results. Separate observations, hypotheses and verified conclusions. Follow equipment procedures; do not exceed operating limits to gather test data.
Related equipment industry
Explore equipment arrangements and applications →APPLICATION SUPPORT
Turn an equipment issue into a technical enquiry
Share the complete designation, position and operating records to discuss arrangements, lubrication, assembly or replacement.
Edited from the group’s 2025 industry presentation · Project records and design targets apply to their specific equipment conditions.
