BOCI
BOCI BLT421TS High Power Fiber Laser Cutting Head for Tube Cutting
BOCI BLT421TS High Power Fiber Laser Cutting Head for Tube Cutting
SKU:BLT310T F200
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The BOCI BLT421TS is a high-power fiber laser cutting head developed for tube and profile laser cutting machines requiring greater processing capacity.
Designed for dedicated tube cutting systems, the BLT421TS is suitable for processing a wide variety of metal sections, including round, square and rectangular tubes as well as other structural profiles. It is intended for machine configurations where higher laser power and more demanding tube-processing requirements need to be taken into account.
The head is particularly suitable for production lines handling larger volumes of tubular components or working with heavier metal profiles. It can be integrated into tube laser machines used for structural fabrication, industrial components, frames, machinery parts and other profile-based products.
For machine builders and system integrators, the BLT421TS provides a dedicated cutting-head option for high-power tube processing rather than simply adapting a standard flat-sheet cutting configuration.
When selecting the BLT421TS, the laser source, optical configuration, tube cutting machine structure, rotary axis and control system should be considered together. Confirm the exact model configuration and mounting dimensions before purchase.
- Three-Dimensional Sensing Head
Can achieve cutting of different types of pipes. Round pipe, square pipe, channel steel and I-beam etc.
- Bottom Protective Cartridge Sealing
Monitor the sealing of the protective windows cartridge for stable production.
- Built-In Amplifier
Enhance the anti-interference capability.
- Protective Window Anti-Explosion
Contamination sensor and system algorithms are upgraded to monitor the stray light of the protective window in real-time.
- Focusing Lens Monitoring
Under real-time monitoring of the focusing lens temperature during cutting, the system will promptly stop and alarm in case of lens contamination, reducing cutting defects caused by contaminated protective window.

Fiber Laser Cutting Head for Fiber Laser Cutting Machines
The fiber laser cutting head is a key optical component of a fiber laser cutting machine, responsible for focusing the laser beam onto the material and delivering the cutting gas to the processing area.
A properly matched cutting head can have a direct impact on cutting quality, focusing performance, gas delivery and overall machine productivity. This fiber laser cutting head is designed for industrial metal cutting systems and can be configured for different laser powers, focusing requirements and machine structures.
Depending on the configuration, options may include automatic focus or manual focus, different optical systems, protective windows and interfaces for various fiber laser machines.
The cutting head is suitable for sheet metal processing, metal fabrication and industrial laser cutting applications involving materials such as carbon steel, stainless steel and aluminum.
For machine builders, distributors, service companies and end users, it can be used for new machine integration, cutting head replacement or machine upgrades.
Key Features
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Precision Laser Focusing
The optical system is designed to focus the laser beam accurately onto the workpiece, helping maintain consistent cutting performance when the optical components and process parameters are properly matched.
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Auto-Focus and Manual-Focus Options
Different configurations are available for machines with different focusing requirements. Auto-focus versions can reduce setup time and simplify focus adjustment during production, while manual-focus configurations provide a straightforward solution for standard cutting systems.
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Designed for Fiber Laser Cutting
The cutting head is designed for fiber laser systems and can be matched with different laser source powers according to the specific model and optical configuration.
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Protective Window Design
A replaceable protective window helps protect the internal optical components from dust, smoke and metal particles generated during cutting.
Regular inspection and replacement of the protective window can help maintain optical performance and reduce the risk of damage to internal optics.
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Efficient Assist Gas Delivery
The nozzle and gas path are designed to deliver assist gas toward the cutting area. Proper gas pressure, nozzle selection, alignment and focusing parameters remain important for achieving the desired cutting result.
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Suitable for Machine Replacement and Upgrades
A laser cutting head can be used when replacing a damaged or outdated cutting head, or when upgrading an existing fiber laser cutting machine to a different cutting configuration.
Applications
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Sheet Metal Cutting
Suitable for general sheet metal processing where consistent focusing and cutting performance are required.
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Carbon Steel Cutting
Can be used with appropriate laser power, nozzle configuration and cutting parameters for carbon steel processing.
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Stainless Steel Cutting
Suitable for stainless steel fabrication and industrial metal processing when matched with the appropriate optical and process configuration.
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Aluminum Cutting
Can be configured for aluminum cutting applications where suitable laser power, optics, assist gas and process parameters are available.
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Metal Fabrication
Suitable for fabrication workshops producing brackets, panels, frames, enclosures, machine parts and other metal components.
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Industrial Laser Cutting Machines
The cutting head can be integrated into new fiber laser cutting machines or used as a replacement component for existing equipment.
Compatibility & Maintenance & Replacement
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Compatibility
Compatibility should be confirmed based on the complete cutting head configuration rather than the brand name alone.
Before ordering, check the following:
- Laser source power
- Cutting head model
- Auto-focus or manual-focus configuration
- Focal length
- Collimation and focusing lens configuration
- Protective window size
- Nozzle type and thread
- Mounting dimensions
- Fiber interface
- Machine structure and installation requirements
The cutting head can be selected for different fiber laser systems and machine configurations. For replacement projects, we recommend comparing the existing cutting head model, mounting dimensions and optical configuration before purchase.
If you are replacing an existing cutting head, providing the current head model, laser power and a photo of the existing head can help confirm the appropriate configuration.
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Maintenance & Replacement
The protective window is one of the most frequently replaced optical components in a laser cutting head.
Dust, smoke, metal spatter and improper nozzle alignment can affect the protective window and eventually impact cutting performance.
For regular production, operators should inspect the protective window and nozzle condition and replace damaged or contaminated components when necessary.
Other consumable or optical components, including focusing lenses, collimation lenses and nozzles, should also be selected according to the specific cutting head model.
Using the correct replacement parts helps reduce unnecessary downtime and makes routine maintenance easier for laser cutting machine users and service companies.
FAQ
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Q1: How do I choose the right laser cutting head?
When selecting a fiber laser cutting head, the most important factors are not simply the brand or advertised laser power.
Consider the complete machine configuration, including:
Laser Power → Cutting Head Model → Optical Configuration → Focus Length → Nozzle → Control System
For replacement or upgrade projects, matching these parameters before ordering can help avoid installation problems and unnecessary downtime.
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Q2: Can I replace my existing cutting head with another brand?
In some cases, YES
However, physical mounting dimensions, optical configuration, fiber interface, control system and focus system all need to be checked before replacement.
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Q3: What is the difference between auto-focus and manual-focus cutting heads?
An auto-focus cutting head can automatically adjust the focal position through the machine control system, reducing manual setup work. A manual-focus head requires the operator to adjust the focus position manually.
The better choice depends on the machine configuration and production requirements.
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Q4: Does a higher-power laser require a different cutting head?
Not necessarily every higher-power laser requires a completely different type of cutting head, but the cutting head must be rated and configured for the laser power and optical requirements of the system.
The lens configuration, cooling design and other components should also be considered.
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Q5: How often should the protective window be replaced?
There is no universal replacement interval. It depends on cutting hours, material, assist gas, nozzle condition, machine settings and the working environment.
The protective window should be inspected regularly and replaced when contamination, scratches, burns or other damage are found.
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Q6: Why does cutting quality change after replacing a cutting head?
Possible causes include incorrect focus position, optical alignment, nozzle alignment, incorrect nozzle selection, contamination of the protective window or differences between the old and new optical configuration.
The cutting parameters may also need to be adjusted after changing the cutting head.
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Q7: Can this cutting head be used for both carbon steel and stainless steel?
YES.
A properly configured fiber laser cutting head can be used for different metal materials. However, the appropriate laser power, nozzle, assist gas, focus position and cutting parameters will vary according to the material and thickness. -
Q8: Is this cutting head suitable for machine upgrades?
Yes. Cutting heads are commonly replaced during machine upgrades, but the new head should be checked against the existing laser source, controller, mounting structure, optical configuration and machine control system before installation.
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Q9:Who is the right person to contact for consumables buying?
Welcome to contact Alex.
Whatsapp/Wechat: +86 18766152065
Email:sales@lasernozzles.com / alex@umaklaser.com