Automotive Aluminum Transmission Housing High-Pressure Cleaning System for Powertrain Component Manufacturing

Automotive Aluminum Transmission Housing High-Pressure Cleaning System

The Big Bird Industrial Aluminum Transmission Housing Cleaning System is developed for post-machining cleaning of automotive transmission housings and powertrain components.

The system removes machining residues before subsequent inspection and assembly processes and supports mixed-model production with manual loading and unloading.

The equipment is provided as a turnkey solution including design, manufacturing, installation, and commissioning.

Workpiece Applications

The system accommodates multiple aluminum housing variants for mixed-model production:

All workpieces are aluminum alloy components processed after machining operations. The system is designed to handle complex geometries including internal oil passages, cooling channels, and precision machined surfaces.

Multi-Stage Cleaning Process

The system combines multiple cleaning technologies in a six-stage automated sequence:

Stage 1: Loading (1ST)

The operator places the workpiece onto the locating pallet on the loading lifting roller conveyor. After pressing the start button, the motor-driven roller conveyor transports the workpiece to the next station. The workpiece loading orientation is side-standing on the conveyor pallet. The system is equipped with 9 conveyor pallets designed to accommodate all three housing variants. The loading and unloading positions feature lifting roller conveyors, while the remaining conveyors use a double-layer design for pallet circulation.

Stage 2: High-Pressure Cleaning & Spray Cleaning (2ST) — 4 MPa & 0.5 MPa

The motor-driven roller conveyor transports the pallet-mounted workpiece into the tilting basket within this station. Clamping mechanisms secure both the workpiece and pallet.

The tilting basket rotates the workpiece to specified angles while a four-axis module with high-pressure nozzles performs high-pressure cleaning on all surfaces. Simultaneously, fixed spray nozzles rinse the overall component and pallet.

After high-pressure cleaning, the tilting mechanism tilts the workpiece for drain-off, then returns it to the initial position. Clamps release, and the motor-driven roller conveyor transports the workpiece to the next station entrance.

This station is equipped with workpiece orientation detection and workpiece presence detection.

Stage 3: Comprehensive Rinsing (3ST) — Spray Rinsing + Immersion Turbulent Rinsing + High-Efficiency Drying

The motor-driven roller conveyor transports the pallet-mounted workpiece into the positioning device within this station. Clamping mechanisms secure the workpiece in position.

A movable water tank extends to enclose the workpiece with the fixed cleaning tank. Fixed-point nozzles perform spray rinsing on the workpiece. Simultaneously, water gradually fills the tank, immersing the workpiece in cleaning fluid and creating turbulent flow for thorough internal and external rinsing.

After the two-stage rinsing process, high-efficiency drying removes surface moisture from the workpiece. This drying process does not use compressed air.

After rinsing, the movable water tank opens, and the conveyor transports the workpiece to the next station entrance. This station is equipped with workpiece presence detection and features an independent water tank, pump, and filtration system operating at ambient temperature.

Stage 4: Vacuum Drying (4ST)

The motor-driven roller conveyor transports the pallet-mounted workpiece into the vacuum chamber. The movable vacuum hood closes to form a sealed chamber.

A vacuum pump evacuates the chamber, removing residual moisture from internal cavities and blind holes. Top blow nozzles provide targeted blow-drying for upward-facing holes.

After vacuum drying, the vacuum hood opens, and the motor-driven roller conveyor transports the workpiece to the next station.

Stage 5: Cooling (5ST)

The motor-driven roller conveyor transports the workpiece to this station. A forced air cooler reduces the component temperature to room temperature ±5°C at unloading. When ambient temperature is below 15°C, the cooling result is measured at 15–20°C.

Stage 6: Unloading (6ST)

The motor-driven roller conveyor transports the workpiece and pallet to the lifting roller conveyor at this station. The operator removes the workpiece. Empty pallets are returned to the loading position via the lower-layer conveyor. This station is equipped with workpiece presence detection.

Technical Cleanliness Control

For modern transmission and powertrain manufacturing, cleaning quality directly affects assembly reliability and component performance.

The system is designed to meet strict cleanliness requirements for each workpiece variant:

Particle size limits and allowable quantities are strictly controlled according to each component specification.

Advanced Filtration Management

The system employs a two-stage filtration system for cleaning and rinsing circuits:

Cleaning Circuit Filtration:

• Stage 1: Drum filter — 300 L/min, 40 mesh, nylon mesh

• Stage 2: Bag filter — 300 L/min, 20 μm, non-woven fabric (two active, one standby)

Rinsing Circuit Filtration:

• Stage 1: Drum filter — 300 L/min, 40 mesh, nylon mesh

• Stage 2: Bag filter — 300 L/min, 10 μm, non-woven fabric (one active, one standby)

Intelligent Process Control

The system supports automated production through:

Roller Conveyor Transfer

Motor-driven roller conveyors transport workpieces between stations with precise positioning. Double-layer roller design enables pallet circulation.

Liquid Level Control

Float-type proximity switches monitor and control liquid levels in three independent tanks, with alarms and shutdown functions at preset limits.

Workpiece Presence Detection

Sensors at each station verify workpiece positioning and transfer status.

Oil Separation

Oil skimmer devices remove floating oil from cleaning fluid to extend fluid life.

Mist Collection

Oil mist collectors capture airborne contaminants, maintaining a clean working environment.

Application Case

Complete Cleaning Solution

Big Bird Industrial provides comprehensive engineering solutions including:

Process Development

• Component analysis

• Cleaning process design

• Cleanliness requirement evaluation

Equipment Integration

• High-pressure cleaning systems

• Spray and rinsing systems

• Vacuum drying technology

• Automated material handling

• Multi-stage filtration management

Smart Manufacturing Connection

• MES interface (OPC UA) — optional

• Production data acquisition — optional

Why Choose Big Bird Industrial

Automotive Transmission Component Experience

Big Bird Industrial specializes in precision cleaning solutions for automotive powertrain components, with proven experience in transmission housing cleaning for multiple vehicle applications.

Multi-Stage Cleaning Technology

The system combines high-pressure fixed-point cleaning (4 MPa), spray cleaning, immersion turbulent rinsing, and vacuum drying to achieve strict cleanliness requirements for complex aluminum housings.

System-Level Engineering Capability

The company provides complete solutions from cleaning process development to production integration, including high-pressure cleaning, spray rinsing, vacuum drying, and automated material handling.

Customized Non-Standard Engineering

Each component and production line has unique requirements. Big Bird Industrial provides customized engineering solutions based on:

• Component structure and material analysis

• Cleaning process development

• Customized fixture and automation design

• Factory layout and production flow integration

The company's non-standard engineering capability allows each cleaning system to be tailored to specific component geometry, cycle time requirements, cleanliness standards, and automation level.

Cleanliness-Oriented Manufacturing Approach

Automotive manufacturers require controlled cleanliness rather than simple surface washing. Big Bird Industrial develops solutions focused on residual particle control, process stability, and production traceability.

FAQ

What components does this cleaning system process?

This system is designed for aluminum transmission housings and powertrain components used in automotive manufacturing.

What contaminants can be removed?

It removes metal chips, machining particles, cutting fluid residues, and internal contamination from complex housing structures.

Can it clean internal cavities and passages?

Yes. The system combines immersion turbulent rinsing and high-pressure fixed-point cleaning to reach internal chambers, oil passages, and cooling channels.

What cleanliness levels can be achieved?

Cleanliness requirements vary by component specification, typically ranging from 3 mg to 15 mg total residual contamination with strict particle size limits.

Is the system customizable?

Yes. All parameters—including cycle time, cleaning pressure, temperature, automation level, and filtration configuration—are customizable per customer production line requirements.

What is the typical cycle time?

The demonstrated cycle time is ≤ 2 minutes per piece, customizable based on production line requirements.

Transmission Housing Cleaning in Automotive Manufacturing

Transmission housing cleaning is a critical process between machining and assembly in automotive powertrain manufacturing. Aluminum housings with complex internal geometries—including oil passages, cooling channels, and precision machined surfaces—require advanced cleaning technologies to remove metal chips, machining particles, and cutting fluid contaminants. Cleanliness of transmission components directly affects assembly reliability and transmission performance.

High-Pressure Cleaning for Complex Aluminum Housings

Aluminum transmission housings with complex internal geometries require advanced cleaning technologies. High-pressure fixed-point cleaning (4 MPa), combined with immersion turbulent rinsing and vacuum drying, ensures thorough removal of metal chips and residues from blind holes, oil passages, and cooling channels that cannot be reached by conventional spray washing.

Technical Cleanliness Management in Powertrain Production

Technical cleanliness has become an important quality requirement in modern automotive manufacturing. Advanced cleaning solutions combine process control, filtration management, drying technology, and quality monitoring to support high-reliability powertrain production. Cleanliness levels below 5 mg total residual contamination and strict particle size limits are increasingly required by OEMs for transmission and powertrain components.

Filtration and Fluid Management in Component Cleaning

Effective filtration systems are fundamental to maintaining consistent cleaning quality in industrial parts cleaning. Two-stage filtration configurations—combining drum filters and bag filters—enable continuous operation with standby filter changes. Filtration accuracy down to 10 μm ensures cleaning fluid quality is maintained, reducing recontamination risks and extending fluid life.