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
Pumps and compressors: rib contact and friction
Position
pump/compressor shaft supports under combined loads.
Issue
roller-end/rib contact, cage geometry and operating clearance affect frictional heat together.
Design direction
optimise end-contact area and roughness, avoiding excessive contact or edge stresses; match pockets to roller contact.
Provide
load directions, temperature, lubrication, mounted clearance and alignment records.
Assembly: measured clearance and matching
Deck example
axial spacing and assembly adjustments in matched pump supports affect running; arbitrary clearance changes can cause heat and damage.
Engineering focus
jointly measure raceways, rib-contact coordinates and cage envelopes; preserve matching and orientation.
Record
before/after dimensions, shims, measured preload/clearance, temperature trends and damage locations.
Motors: vibration, sealing and cages
Arrangement
deep-groove ball bearings in the relevant motor shaft system.
Engineering focus
groove edges, raceway quality, oil-groove stress, operating clearance, lightweight cages and labyrinth sealing.
Objective
control temperature, vibration and noise with pole count, speed, load and lubrication considered together.
Case scope
temperature or energy comparisons in the deck apply to their motor test conditions, not every designation.
Hydraulic motors: pressure, speed and contact
Conditions
hydraulic pressure, axial/radial loads, speed and oil temperature interact.
Group project (2025)
T7FC050-YYB and T7FC060-YYB design/testing comparisons.
Engineering focus
contact angle, roller-end/rib contact, preload and heat treatment; distinguish test conditions from field service history.
Provide
pressure/speed spectra, mounting arrangement, oil temperature and cleanliness, not system pressure alone.
Group pump projects: preserve matched arrangements
Project positions
pump shafts, piston-pump crankshafts and acid-pump supports.
Examples
30226/P5DF and 30230/P5DF matched pump arrangements, with dedicated crankshaft and HZW acid-pump configurations.
Discussion
identify pump type, fluid, shaft speed, loads and mounting position before replacement assessment.
Case scope
design hours and reported running years are separate project records, not a universal warranted life.
Information for an application 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.
Related engineering guides
Clearance, fits and preload in precision equipment →Heavy loads and shocks in casting and rolling mills →Lubrication and temperature in pumps and motors →Replacement assessment for mining and cement equipment →Vibration and noise along gearbox drive trains →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.
