Journal Bearing with Hydrodynamic Lubrication Machine | FX 536
The Journal Bearing with Hydrodynamic Lubrication Machine FX 536 studies friction in hydrodynamically lubricated radial journal bearings. This journal bearing hydrodynamic lubrication machine varies bearing clearance from 0.12 to 0.28 mm, applies up to 1000 N radial load, measures frictional moment, and plots shaft locus with inductive sensors.
The Journal Bearing with Hydrodynamic Lubrication Machine FX 536 is a trainer for studying friction in hydrodynamically lubricated radial journal bearings. This journal bearing hydrodynamic lubrication machine varies bearing clearance, radial load, and shaft speed while measuring friction and shaft position.
Product Overview
The FX 536 journal bearing hydrodynamic lubrication machine uses shafts of different diameters to vary bearing clearance. Radial load is applied by handwheel and compression spring, then measured electronically. A lever arm with force sensor measures frictional moment. A three-phase motor with frequency converter drives the shaft from 0 to 1600 rpm. A hydraulic unit controls oil temperature. Inductive sensors measure shaft position at four points in the X and Y directions to plot shaft locus. Software supports USB data acquisition on Windows 11.
Journal Bearing with Hydrodynamic Lubrication Machine FX 536 — Technical Specifications
| Parameter | Value |
|---|---|
| Model | FX 536 |
| Shaft Rated Diameter | 50 mm |
| Bearing Clearances | 0.12, 0.14, 0.16, 0.18, 0.28 mm |
| Radial Load Range | 0 to 1000 N |
| Drive Motor Power | 0.55 kW |
| Speed Range | 0 to 1600 rpm |
| Oil Unit Flow Rate | 1.4 L/min |
| Oil Unit Pressure | 2 bar |
| Oil Tank Capacity | 10 L |
| Frictional Moment Range | 0 to 1 Nm |
| Oil Pressure Supply Range | 0 to 10 bar |
| Oil Pressure Journal Bearing Range | 0 to 16 bar |
| Oil Temperature Range | 0 to 100°C |
| Power Supply | 230 V, 50/60 Hz, single phase |
Technical Data
Journal Bearing:
- Shaft rated diameter: 50 mm
- Bearing clearances: 0.12, 0.14, 0.16, 0.18, 0.28 mm
- Radial load: 0 to 1000 N
Drive:
- Three-phase motor with frequency converter
- Power: 0.55 kW
- Speed: 0 to 1600 rpm
Oil Hydraulic Unit:
- Flow rate: 1.4 L/min
- Pressure: 2 bar
- Tank capacity: 10 L
Measurement:
- Frictional moment: 0 to 1 Nm (lever arm with force sensor)
- Shaft displacement in X and Y directions, 4 points each, averaged
- Oil pressure supply: 0 to 10 bar
- Oil pressure at journal bearing: 0 to 16 bar
- Oil temperature: 0 to 100°C
Key Features
- Interchangeable Shafts: Different diameters vary bearing clearance for comparative study
- Electronic Load Measurement: Radial load applied by handwheel and measured electronically
- Friction Measurement: Lever arm with force sensor for frictional moment
- Variable Speed Drive: Frequency converter controls shaft speed up to 1600 rpm with digital display
- Shaft Locus Plotting: Inductive sensors record X and Y displacement at four points
- Oil Temperature Control: Controller-regulated hydraulic unit with 10 L tank
- Data Acquisition: USB connection with Windows 11 software
Experiments
- Friction states in hydrodynamically lubricated journal bearing
- Friction analysis as a function of bearing clearance
- Frictional moment measurement under varying radial load
- Shaft locus plotting as a function of load and speed
- Shaft position measurement in X and Y directions
- Effect of oil temperature on bearing friction
- Effect of shaft speed on hydrodynamic lubrication
Construction and Design
The FX 536 journal bearing machine houses a 50 mm rated shaft in a radial journal bearing with interchangeable shafts for five bearing clearances. A compression spring and threaded handwheel apply radial load up to 1000 N. A lever arm with force sensor measures frictional moment. A three-phase motor with frequency converter drives the shaft. Inductive displacement sensors detect shaft motion at four points in each axis. A hydraulic unit with 10 L tank supplies oil at controlled temperature. Digital displays show radial load, frictional moment, shaft position, oil pressure, peak oil pressure, oil temperature, and speed.
Software
DAQ software for data acquisition via USB under Windows 11.
Scope of Delivery
- 1 Journal bearing with hydrodynamic lubrication machine FX 536
- Shafts of different diameters for varied bearing clearances
- Software for USB data acquisition (Windows 11)
- Instruction manual
Q: What bearing clearances can the FX 536 test?
A: The machine supports 0.12, 0.14, 0.16, 0.18, and 0.28 mm bearing clearances using shafts of different diameters.
Q: How is radial load applied on the FX 536?
A: A handwheel and compression spring apply radial load up to 1000 N, which is measured electronically.
Q: How is frictional moment measured on the FX 536?
A: A lever arm with force sensor measures frictional moment in the range 0 to 1 Nm.
Q: What speed range does the FX 536 provide?
A: The frequency converter drives the shaft from 0 to 1600 rpm with a digital display.
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