BOCHU BOCI BLT6 Series Auto-Focusing Laser Cutting Heads (15-60KW)
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Product overview
Overview
BOCHU BOCI BLT6 Series Auto-Focusing Laser Cutting Heads (15-60KW)
The BOCHU BOCI BLT6 series is a high-power intelligent laser cutting head family for industrial fiber laser cutting systems. This page follows the current uploaded model structure and updates the old model names according to the BOCHU product change information.
Model Update Mapping
| Previous model | Current model | Action |
|---|---|---|
| BLT662H | BLT663H | Updated existing 20KW variants |
| BLT682H | BLT683H | Updated existing 30KW variants |
| BLT6101H | BLT6101H | Kept unchanged; no replacement target provided |
| BLT6102H | BLT6103H | Updated existing 40KW variants |
| BLT6120H | BLT6120H | Kept as current 60KW model |
Best For
- High-power fiber laser cutting machine integration, retrofit, or cutting head replacement projects.
- Buyers comparing model, power level, optical interface, focal length, cooling, gas setup, and consumables.
- Service teams checking current BOCHU model names before ordering replacement heads or spare parts.
Compatibility
- Confirm rated laser power, optical connector, focal length, cooling circuit, cutting gas setup, control signal, and consumables before ordering.
- Q+, QD, QBH, and ADD are different optical interface configurations. Choose the interface that matches your laser source and fiber connector.
- Legacy names may still appear in older manuals, parameter packages, and service records. Use the model mapping table on this page when matching old and updated model names.
- Related reference: Laser Consumables
- Related reference: Protective Lens
- Related reference: Nozzle
- Related reference: Ceramic Body
Specifications
Current Variant Selection
| Model | Application | Power | Focal length | Interface |
|---|---|---|---|---|
| BLT643H | Flat cutting | 15KW | 200mm | Q+/ADD/QBH/QD |
| BLT663H | Flat cutting | 20KW | 200mm | QBH/QD/Q+/ADD |
| BLT683H | Flat cutting | 30KW | 300mm | Q+/ADD |
| BLT6101H | Bevel cutting | 40KW class | 300mm | Q+/ADD/QBH/QD |
| BLT6103H | Flat cutting | 40KW | 300mm | Q+/ADD |
| BLT6120H | Flat cutting | 60KW | 300mm | Q+/ADD |
BLT643H Technical Specifications
| Parameter | BLT643H |
|---|---|
| Laser wavelength | 1060-1090nm |
| Laser power | ≤15KW |
| Fiber interface | QBH, QD, Q+, ADD |
| Spot magnification | M=2.0 |
| Max focus adjustment range | -50mm to +40mm |
| NA | Max. 0.13 at Fc100 |
| Centering adjustment range | +/-1.5mm |
| Focus acceleration | 7.5m/s2 |
| Cutting gas interface | Diameter 10mm, max 25bar (2.5MPa) |
| Nozzle cooling gas interface | Diameter 6mm, max 5bar (0.5MPa) |
| Pneumatic cover interface | Diameter 6mm, 4-6bar (0.4-0.6MPa) |
| Water cooling interface | Diameter 8mm, max 5bar (0.5MPa), min flow 2.0L/min |
| Operating temperature | 5-55 C |
| Storage temperature | -25 to +55 C |
| Size | 442.3 x 181 x 133mm for Q+ version; other interface versions may vary |
| Weight | About 9kg for Q+ version; other interface versions may vary |
Specification Table 2
| Parameter/Model | BLT663H | BLT683H | BLT6101H |
|---|---|---|---|
| Cutter model | BLT663H | BLT683H | BLT6101H |
| Power level | ≤20KW | ≤30KW | ≤40KW |
| Fiber interface | QD, Q+, ADD | Q+, ADD | Q+, ADD, QBH, QD |
| Focal distance | 200mm | 300mm | 300mm |
| Spot magnification | M=2.0 | M=2.0 / M=3.0 | - |
| NA | Max. 0.13 at Fc100 | Max. 0.14 at Fc100 | - |
| Size | 442.3 x 181 x 133mm (Q+ version) | 519.7 x 181 x 133mm (Q+ version) | 498 x 181mm |
| Weight | About 9kg (Q+ version) | About 9.8kg (Q+ version) | 12.5kg |
| Max focus adjustment range | -50mm to +40mm | -50mm to +40mm (M=2.0); -100mm to +50mm (M=3.0) | +/-50mm |
| Laser wavelength | 1060-1090nm | 1060-1090nm | 1030-1090nm |
| Max gas pressure | 25bar | 25bar | 25bar |
Specification Table 3
| Parameter/Model | BLT6103H | BLT6120H |
|---|---|---|
| Cutter model | BLT6103H | BLT6120H |
| Updated from | BLT6102H | BLT6120H |
| Power level | ≤40KW | ≤60KW |
| Fiber interface | Q+, ADD | Q+, ADD |
| Laser wavelength | 1060-1090nm | - |
| Focal distance | 300mm | 300mm |
| Spot magnification | M=3.0 (100:300) | M=3.0 / 4.0 |
| Max focus adjustment range | -100mm to +50mm | +/-50mm |
| NA | Max. 0.14 at Fc100 | Max. 0.14 |
| Centering adjustment range | +/-1.5mm | +/-1.5mm |
| Focus acceleration | 7.5m/s2 | 7.5m/s2 |
| Cutting gas interface | Diameter 10mm, max 25bar (2.5MPa) | Diameter 12mm, max 25bar (2.5MPa) |
| Nozzle cooling gas connection | Diameter 6mm, max 5bar (0.5MPa) | Diameter 6mm, max 5bar (0.5MPa) |
| Water cooling interface | Diameter 8mm, max 5bar (0.5MPa), min flow 2.0L/min | Diameter 8mm, max 5bar (0.5MPa), min flow 2.0L/min |
| Operating temperature | 5-55 C | 5-55 C |
| Storage temperature | -25 to +55 C | -25 to +55 C |
| Size reference | 519.7 x 181 x 133mm (Q+ version) | 594.5 x 189mm for 300F reference |
| Weight reference | About 9.8kg (Q+ version) | About 11.74kg for 300F reference |
Feature Reference
| Feature | Description |
|---|---|
| Auto recut | Supports intelligent recovery and cutting continuation features depending on machine configuration. |
| Protective screws | Collision protection components are selected by model. |
| Temperature monitor sensor | Supports temperature monitoring on applicable models. |
| Cavity temperature and humidity monitoring | Supports cavity condition monitoring on applicable models. |
| Smart piercing | Supports high-power piercing process optimization. |
| Focus lens monitor | Supports focus lens monitoring on applicable models. |
| Nozzle cooling | Supports nozzle cooling gas connection. |
| Water cooling sensor | Supports water-cooling circuit monitoring. |
| Gas pressure monitor | Supports cutting gas and cavity gas pressure monitoring. |
Downloads
Before Ordering
Product images are for reference only. Confirm model, power level, fiber interface, focal length, controller compatibility, cooling, gas circuit, and consumables before ordering.
If you are replacing an older BLT662H, BLT682H, or BLT6102H head, use the mapping table above and confirm final compatibility before purchase.
FAQ
Which model names changed?
BLT662H updates to BLT663H, BLT682H updates to BLT683H, and BLT6102H updates to BLT6103H. BLT6101H remains unchanged because no replacement target was provided.
Are new model groups added on this page?
No. This update only follows the current uploaded variant structure and generates SKUs for the existing multi-attribute combinations.
What should I confirm before ordering?
Confirm power level, model, fiber interface, focal length, controller compatibility, gas and cooling requirements, and consumables before ordering.
9.5kg for BLT642H, BLT662H, and BLT682H; 12.5kg for BLT6101H
Shipping Information
Shipping Time and Costs
- Delivery Timeframe: 5-10 business days.
- Machines: Fees calculated at checkout or via email at info@sflaser.net.
- Accessories: Fees calculated at checkout or via email.
- Consumables: Shipped free of charge.
IMPORTANT NOTICE: Free shipping is exclusive to laser consumables. For discrepancies at checkout, contact us for actual shipping costs.
Tariff Policy
- Offline Payments: Tariffs based on trade terms. Export duties are covered by us under FOB, CFR, or CIF terms; import duties by the customer. For DDP, all duties are covered by us.
- Online Payments: Export duties are covered by us; import duties by the customer. Check "Tariff Rate" on our website for specifics.
Order Tracking
- Confirmation: Receive an email upon successful order placement.
- Shipping Notification: Includes order number, courier, and tracking number. Track your order via email for updates, modifications, and shipping details.
Important Notes
Delivery Address
- Confirm your address before finalizing your order. To change it, email info@sflaser.net within 48 hours of purchase.
Damage and Returns
- For transit damage due to force majeure, contact support@sflaser.net immediately upon receipt.
- To cancel an order, contact us rather than refusing the package to avoid risks of loss or damage.
Non-receipt and Package Damage
- If not received within 7 days past the delivery date, email support@sflaser.net. We are not liable for delays not reported within this timeframe.
- Report any package or product damage on the day of receipt with photos/videos to support@sflaser.net for assistance.
Technical Support After Purchase
- For technical support, take detailed inventory and photos of unpacked items and contact support@sflaser.net promptly. We provide support via email or online contact.
1. Overview
We strive for your satisfaction with every order. Understanding that returns may sometimes be necessary, we offer a refund in USD, provided the goods meet our policy requirements.
2. How to Return
Before Delivery
- Email: Send a request to info@sflaser.net to cancel and refund your order.
- Note: Avoid initiating a bank refund to prevent fees and delays. Any bank fees incurred will be deducted from your refund.
After Delivery
- Email: Contact info@sflaser.net for return assistance.
- Conditions: Adhere to our return conditions. Be prepared for a service fee and transportation costs.
3. Return/Refund Conditions
Returns within 15 days of delivery are accepted under the following conditions, along with the original receipt and a refund service fee:
- Not Packed, Not Shipped: 4.4% service fee for machines, accessories, and consumables.
- Packaged, Not Shipped: 10% for machines; 20% for accessories and consumables.
- Shipped, Unopened: 20% for machines; 25% for accessories and consumables.
- Opened, Unused: 30% for machines; 50% for accessories and consumables.
- Opened, Used: 50% for machines; 80% for accessories and consumables.
Important: Service fees apply due to instant fund deductions by payment platforms. Bank charges, taxes, and shipping expenses are deducted from refunds. No exchanges. Items must return in pristine condition, with machinery/components having no more than 3 uses. Stand-alone consumables are non-returnable. For laser service products, our company does not accept refunds.
4. Refund Processing Time
- Packing Details: Include a packing list, order number, and customer name in your return package.
- Tracking: If returning the order yourself, email the tracking number to support@sflaser.net.
- Timeline: Refunds typically processed in 10-15 business days post-return inspection. Confirmation emails will be sent, followed by bank processing.
5. Disclaimer
- Approval: Only approved returns are accepted.
- Rights: Sky Fire Laser reserves the right to refuse returns not meeting policy requirements.
- Shipping: Returns must be sent to the address provided in your return confirmation. No on-site returns.
6. Questions?
For any inquiries, email us at info@sflaser.net.
1 year
If you choose CIF shipping, you will need to pay customs duties yourself.
If you choose DDP shipping, we can help handle customs clearance for you.
Please contact us by email for further details.
Most of our packages are currently shipped from Wuhan, China.
For customers in the United States, certain products such as laser welding machines will be shipped directly from our U.S. warehouse. More products will be gradually added to the U.S. warehouse inventory.
The standard shipping cycle is normally 3–7 business days for order processing and dispatch when purchasing a single unit.
For bulk orders involving a larger quantity of items, the processing time may be extended accordingly. We will inform you of the estimated dispatch schedule once the order details are confirmed.
- International Shipping: Please be aware that for orders shipped internationally, any customs fees incurred will be the responsibility of the customer. These fees are not covered by our shipping charges.
- Refund Processing Fee: For orders that have not been packed or shipped, a refund processing fee will apply. This fee is due to the immediate deduction of funds by payment platforms such as PayPal, Visa, etc., and will be calculated as a percentage of the total order cost.
