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 task
distinguish emergency replacement, spare planning and an arrangement change. Provide the full original designation/suffix, parameter sheet, mounting drawing and duty records. A matching base designation or size does not establish interchangeability.
Jaw, cone and impact crushers
Jaw crushers
moving-jaw/frame spherical supports under impacts and shaft deflection, grease lubricated in the deck.
Cone crushers
spherical/tapered combinations with circulating oil; assess contamination, heat balance and contact stress.
Impact crushers
spherical supports with oil-bath/circulation, addressing temperature and cages under faster impact duty.
Design direction
split cages, lubrication openings and contact profiles; keep the three duty/lubrication regimes separate.
Roller presses: heavy radial and axial loads
Position
press-roller supports.
Arrangement
four-row cylindrical rollers with paired spherical-roller thrust or double-direction tapered thrust supports, plus paired spherical alternatives.
Conditions
low-speed heavy loads, misalignment and shocks with central grease supply; relate edge wear to roller-system deflection.
Engineering focus
case-carburised/adapted materials, profiles, cages and lubrication paths, separating radial support from axial restraint.
Vertical and coal mills: rollers and preload
Vertical mills
spherical/cylindrical or double-row tapered/cylindrical combinations, with forced-oil lubrication in the deck.
Coal mills
spherical combinations or paired tapers depending on design.
Issues
assess skew loading, inadequate preload, lubrication and heat with assembly evidence.
Engineering focus
material/heat treatment, roller contact, pin/solid cages; provide mill type, position, oil temperature and clearance.
Follow an evidence-based inspection path
Comparison path
compare size, rolling arrangement, cage, seals, accuracy, clearance/preload, load ratings and lubricant-specific speed data. Then review location, adjacent parts and maintenance requirements. Record missing items, differences and verification actions before recommending a replacement.
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.
