Multi-Tank & Automatic Cleaning Systems
Clean-Rinse-Dry Multi-Stage Ultrasonic System
Compact multi-stage ultrasonic wash, rinse and drying system
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LENJEX Industrial Cleaning
Bearings & Gears Ultrasonic Cleaning
Removes machining oil, chips and lapping compound from bearings, races and gears, including internal features and teeth.
Why Ultrasonic
Ultrasonic cleaning for Bearings & Gears
Bearings, races and gears have precision surfaces and teeth where particles and residual oil affect noise, wear and assembly. Ultrasonic cavitation reaches tooth gaps, races and small features to remove machining oil, chips, fines and lapping compound consistently.
The process is commonly run with precision cleanliness control and appropriate drying, because precision parts must not be left wet. A clean-rinse-dry system or vacuum solvent cleaner is used for assembled or hard-to-dry parts, and filtration is standard.
Frequency, filtration grade and drying are selected for the component size and cleanliness target.
- Reaches tooth gaps, races and small features
- Removes particles that affect noise and wear
- Filtration keeps abrasive particles out of the bath
- Integrated drying prevents water marks
- Repeatable cycles for high-volume precision parts
Typical Workpieces
Parts in this application
- Ball and roller bearings
- Races and bearing rings
- Spur, helical and bevel gears
- Gear blanks and pinions
- Small geared assemblies
- Sleeves and precision bushings
Contamination
Soils to evaluate
- Machining and cutting oils
- Metal chips and fines
- Lapping and polishing compound
- Heat-treat and quench oil
- Preservative oils
- Carbon and scale (heat-treated parts)
Cleanliness Target
Define clean before choosing equipment
Acceptance is based on particle limits, surface inspection or residual oil checks, often linked to assembly quality.
Drying must leave no water marks or residue on precision surfaces.
Recommended Sequence
A process route for evaluation
The final sequence depends on soil loading, material, rinse quality and drying behavior.
- Step 1Pre-clean to remove chips and quench oil
- Step 2Ultrasonic wash with filtration
- Step 3Rinse stages to remove carryover
- Step 4Hot-air or vacuum drying
- VerifyCheck particles and surface condition
Recommended Equipment
Systems to compare
The final specification follows process testing and production analysis.
Industrial Single-Tank & Special Cleaners
Vacuum Solvent Ultrasonic Cleaning Machine
Sealed vacuum ultrasonic cleaning and drying with hydrocarbon or modified-alcohol solvent
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Multi-Stage Systems
Multi-Tank Ultrasonic Cleaning Machine - Clean, Rinse and Dry in One Line
A configurable 2-8+ stage system combining rough wash, fine wash, rinsing, treatment and drying around the required cleanliness target.
View configurationProcess Controls
Control the variables that change the cleaning result
Confirm the part, soil, loading and final handling before fixing equipment settings.
Control 01
Material and geometry
Record surfaces, cavities and features that can trap air or liquid.
Control 02
Soil condition
Test the heaviest representative contamination, not an ideal sample.
Control 03
Basket loading
Keep acoustic access and part spacing consistent with production.
Control 04
Rinse and drying
Match downstream handling to residue and corrosion risks.
System Selection
Match the cleaning route to production flow
Stage count and automation follow the validated process and required output.
Batch
Single-tank route
Compare for focused washing where rinsing and drying are managed separately.
Multi-stage
Wash, rinse and dry
Add controlled stages when carryover and final condition matter.
Automatic
Repeatable transfer
Evaluate automation when output, handling or recipe control requires it.
Acceptance
Define how the cleaned part will be checked
Use the same practical inspection method for trial samples and production parts.
- Agree the surface or residue limit
- Check hidden and difficult features
- Record rinse, drying and handling conditions
- Compare results before the next operation
Representative Trial
Confirm the process with real parts and loads
Trial evidence should cover normal production and the most difficult expected condition.
- DescribePart, material and contamination.
- LoadUse realistic spacing and orientation.
- TestRecord chemistry, time and temperature.
- VerifyInspect with the agreed method.
Application Questions
Planning the cleaning study
Include normal production parts and the most difficult expected geometry or contamination so the process is not based on an easy sample.
Provide part dimensions, material, soil, cleanliness target, parts per load, required output and available utilities.
Assembled and hard-to-dry parts are often handled with solvent or vacuum systems that penetrate and dry cavities; aqueous water-based lines are more common for components before final assembly.
Bearings are sensitive to abrasive particles; filtered wash and rinse keep particles from being redeposited on precision surfaces.
Typically by particle counts, gravimetric inspection or residual oil checks, agreed before the equipment is configured.
Related Applications
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Precision cleaning is controlled by particle size, surface sensitivity, rinse quality, bath condition and handling after the wash.
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High-volume degreasing of bolts, nuts, screws, washers and fittings, removing oils, fines and light rust.
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Turbocharger & Turbine Parts Ultrasonic Cleaning
Removes carbon, oil, casting and machining residues from turbocharger and turbine components.
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