How to Choose a Flexible Cleaning Machine for Multi-Model Production: Programmable and Quick-Change Cleaning Solutions

Overview

When one production line needs to process multiple types of components, the cleaning system must be able to handle product changeover, different process parameters, and varying production cycles without compromising cleanliness.

A flexible cleaning machine can achieve this through three main approaches: programmable process control, automatic model identification, and common tooling or palletization.

This article explains how these technologies work together and how to evaluate a flexible cleaning system for multi-model production.

Why Does Multi-Model Production Require Flexible Cleaning Equipment?

Traditional high-volume production lines often process a single component model. Cleaning parameters can therefore be fixed and optimized specifically for that workpiece.

Modern manufacturing, however, increasingly involves:

• Multiple component models
• Smaller production batches
• Frequent model changes
• Different workpiece dimensions and weights
• Different cleanliness and particle-size requirements

A cleaning system used for this type of production needs to address three key requirements:

1. Fast Changeover

Changing from one workpiece model to another should not result in extended production downtime.

2. Model-Specific Process Parameters

Different components may require different robot trajectories, cleaning time, pressure, temperature, spray areas, or drying parameters.

3. Broad Mechanical Compatibility

The equipment should accommodate the dimensional and structural differences between workpieces without requiring extensive mechanical modification for every model.

Three Main Approaches to Flexible Cleaning

1. Programmable Cleaning Processes

Programmability is one of the fundamental capabilities of a flexible cleaning machine.

Different workpiece models can have independent cleaning programs containing parameters such as:

• Robot movement trajectories
• Spray areas
• Cleaning time
• Water pressure
• Cleaning temperature
• Number of cleaning passes
• Drying parameters

When the production model changes, the corresponding program can be selected instead of manually adjusting every process parameter.

This provides a basic foundation for repeatable multi-model production.

2. Automatic Model Identification

Automatic identification can further reduce operator involvement during changeover.

Depending on the production line, the system can use:

• Camera-based identification
• RFID
• Conveyor position or production-line signals

to identify the incoming workpiece and automatically call the corresponding cleaning program.

For example, a passenger vehicle engine cylinder head cleaning system can use a motorized roller conveyor and camera-based model identification to recognize different cylinder head variants and automatically select the appropriate cleaning program.

This enables mixed-model production with reduced manual intervention.

3. Common Fixtures and Pallets

Mechanical flexibility is equally important.

If multiple workpiece models can share the same fixture or pallet, mechanical changeover can be significantly simplified.

For example, a passenger vehicle engine block cleaning and deburring system can use a common pallet for different upper and lower block configurations, allowing multiple models to enter the cleaning and deburring line without replacing the entire fixture system.

Why Is a Wide Cycle-Time Range Important?

The adjustable cycle time of a flexible cleaning machine is another important indicator of its flexibility.

For example, Big Bird Industrial's passenger vehicle engine block cleaning and deburring solution can accommodate a cycle-time range of approximately 20 seconds to 20 minutes.

A wide cycle-time range allows the same equipment platform to address different production scenarios.

High-Volume Production

For high-volume standard components, the cleaning process can be configured with a shorter cycle to maximize production output.

Low-Volume or Complex Components

For small-batch or more complex components, the cycle can be extended to allow additional cleaning passes or longer process times where required.

This allows the equipment to adapt to changes in production volume and product complexity without requiring an entirely different cleaning system.

Automatic Tool and Nozzle Changeover

Flexibility can also extend beyond cleaning programs and fixtures.

Some applications require different tools or spray nozzles for different workpiece models.

For example, a six-cylinder diesel engine block robotic deburring machine can use a tool-changeable electric spindle to support multiple brush types. During model changeover, the system can automatically select and change the required tool.

A flexible crankshaft cleaning system can also be configured for different crankshaft models, such as four-cylinder and six-cylinder crankshafts, with high-pressure spindle cleaning and automatic nozzle changeover.

These configurations reduce manual intervention and allow one production system to support multiple component variants.

How to Select a Flexible Cleaning Machine

When evaluating a flexible cleaning solution, consider the following factors.

1. Product Variation

How different are the workpieces in terms of:

• Length and width
• Weight
• Geometry
• Hole and passage configuration
• Material

The larger the variation, the greater the requirements for fixture flexibility, robot reach, equipment travel, and handling capacity.

2. Changeover Frequency

If the production line changes models frequently, prioritize:

• Programmable changeover
• Automatic model identification
• Common fixtures
• Automatic tool or nozzle changeover

For low-frequency changeovers, some manual adjustment may be acceptable.

3. Cycle-Time Requirements

Determine whether different models have significantly different production-cycle requirements.

If one product requires a short cycle while another requires substantially longer cleaning, a machine with a wide adjustable cycle-time range may provide greater production flexibility.

4. Cleanliness Requirements

Different models may have different cleanliness and particle-size acceptance criteria.

In this case, each model should have its own validated process parameters rather than using one universal cleaning program.

5. Future Product Expansion

When designing a new production line, consider potential future models.

Leaving sufficient capacity in the robot travel range, fixture design, program architecture, and handling system can prevent the cleaning machine from becoming a bottleneck when new products are introduced.

Big Bird Industrial Flexible Cleaning Solutions

Big Bird Industrial provides flexible cleaning solutions including:

• Robotic flexible cleaning machines
• Flexible robotic deburring machines
• Multi-process cleaning and deburring systems
• Wide-cycle-time flexible cleaning equipment
• Automatic model identification systems
• Automatic tool and nozzle changeover configurations

Depending on the application, equipment can be designed around the customer's product range, production volume, changeover frequency, cleanliness requirements, and future expansion plans.

For selected flexible applications, the cycle-time range can extend from approximately 20 seconds to 20 minutes.

FAQ

How long does it take to change models on a flexible cleaning machine?

It depends on the changeover configuration.

With programmable process selection and automatic model identification, the changeover can mainly involve program switching and first-piece verification.

If the changeover requires fixture replacement or manual nozzle adjustment, additional downtime may be required.

For production lines with frequent model changes, programmable changeover and automatic identification are generally important design considerations.

How many different models can one flexible cleaning machine handle?

There is no universal fixed number.

The actual capacity depends on the dimensional and structural differences between the workpieces, fixture compatibility, robot working range, handling system, and process requirements.

Therefore, the practical compatibility of a flexible cleaning machine should be evaluated using the complete product list during the engineering stage rather than relying only on the number of available programs.

How can one machine support a cycle range from 20 seconds to 20 minutes?

The cycle can be adjusted through factors such as robot movement speed, spray duration, number of cleaning passes, and process configuration.

Simple high-volume components can use shorter process sequences, while complex or low-volume components can use longer cleaning sequences.

Different programs can therefore be assigned to different workpiece models within the same equipment platform.

How can multi-model production ensure that every component meets its cleanliness requirements?

Each workpiece model should have an independently defined and validated cleaning program.

Parameters may include:

• Robot trajectory
• Cleaning pressure
• Cleaning time
• Spray locations
• Drying parameters

After a model change, first-piece inspection should be performed to confirm that the required cleanliness and particle-size criteria are achieved.

Automatic model identification can also reduce the risk of selecting an incorrect cleaning program.

Conclusion

Flexible cleaning is not simply about allowing multiple workpieces to enter the same machine. A truly flexible system needs to coordinate software, identification, fixtures, tooling, cleaning parameters, and cycle time.

For manufacturers operating multiple component models on the same production line, programmable cleaning processes, automatic model identification, common fixtures, and wide cycle-time adjustment can significantly improve production flexibility.

Big Bird Industrial can develop flexible cleaning and deburring systems according to the customer's specific workpiece portfolio, production requirements, changeover frequency, cleanliness targets, and future product plans.