Laser Welding Systems for Mold Repair provides localized laser welding, material build-up, and dimensional restoration for molds, dies, tooling, and precision metal components. Available in 1500 W and 2000 W configurations, the system uses a fiber laser with an adjustable 0.2–2.0 mm spot size for controlled repair of damaged edges, cavities, cracks, worn surfaces, and machining defects.
Technical Specifications
|
Parameter |
HT-MDWL1500 |
HT-MDWL2000 |
|
Laser power |
1500 W |
2000 W |
|
Laser type |
Fiber laser |
Fiber laser |
|
Laser wavelength |
1080 ± 10 nm |
1080 ± 10 nm |
|
Laser spot size |
0.2–2.0 mm |
0.2–2.0 mm |
|
Pulse width |
≤60 ms |
≤60 ms |
|
Pulse frequency |
≤25 Hz |
≤25 Hz |
|
Workbench size |
450 × 350 mm |
450 × 350 mm |
|
Workbench control |
Manual X-Y; automatic Z |
Manual X-Y; automatic Z |
|
Maximum workbench load |
≤100 kg |
≤100 kg |
|
Observation system |
CCD camera + microscope |
CCD camera + microscope |
|
Cooling |
Water cooling |
Water cooling |
|
Power supply |
AC 220 V, 50/60 Hz |
AC 220 V, 50/60 Hz |
|
Machine dimensions |
1650 × 920 × 1150 mm |
1650 × 920 × 1150 mm |
Mold Repair Capabilities
Edges & Corners - Rebuild chipped, worn, or undersized edges before machining or polishing.
Cavities & Surfaces - Restore localized pits, dents, wear, and machining errors.
Parting Lines - Rebuild localized material loss where the repaired geometry must be restored before finishing.
Inserts & Tooling - Restore localized dimensional loss on mold inserts, dies, and compatible tooling.
Pre-Machining Build-Up - Add material to undersized areas for subsequent milling, grinding, polishing, or EDM.
Laser Welding Performance
0.2–2.0 mm Adjustable Spot - One welding head covers fine repair areas and larger material build-up zones.
1500 W / 2000 W Models - Two power levels allow selection based on repair depth and material deposition requirements.
CCD + Microscope Observation - Combines positioning and magnified inspection for small cavities, edges, cracks, and parting-line damage.
Manual X-Y + Automatic Z - Uses manual horizontal positioning with automatic vertical adjustment.
Pulsed Fiber Laser - ≤60 ms pulse width and ≤25 Hz frequency provide adjustable welding conditions for localized filler-wire deposition.
Water-Cooled Fiber Laser - Uses an active water-cooling system to remove heat from the fiber laser source during operation.
Mold Materials Compatibility
The HT-MDWL Series is suitable for repairing commonly used mold steels, tool steels, and stainless mold steels.
|
Mold Material |
Typical Mold Application |
|
P20 |
Injection molds, mold bases, inserts |
|
H13 |
Die-casting molds, hot-work tooling. |
|
S136 |
Plastic injection molds, corrosion-resistant tooling |
|
SKD61 |
Die-casting and hot-work molds |
|
Other tool steels |
Dies, inserts, precision tooling. |
Mold Repair Applications
Injection Molds - Repairs localized damage on cavities, cores, inserts, parting lines, gate areas, and surfaces affected by wear or machining errors.
Die-Casting Molds - Restores worn cavities, edges, inserts, and localized dimensional defects on compatible hot-work mold steels.
Rubber Molds - Repairs worn cavities, profiles, sealing surfaces, and localized mold edges before machining or polishing.
Stamping Dies - Rebuilds worn or chipped punches, cutting edges, die blocks, and forming surfaces according to the die material and repair requirements.
Precision Tooling - Restores localized wear and dimensional loss on compatible tooling, jigs, fixtures, and precision metal components.
Mold Repair Workflow
Damage Inspection
Identify the damaged area, material grade, hardness, and repair dimensions.
Surface Preparation
Remove contamination, damaged material, and unstable edges before welding.
Laser Material Deposition
Deposit compatible filler material onto the prepared repair area.
Dimensional Restoration
Build the area slightly above the required final dimension where subsequent machining is required.
Final Finishing
Machine, grind, polish, or EDM the repaired area according to the mold's final specification.
Purchase Assurance & Technical Support
Chinasky Laser provides pre-sale application evaluation and post-sale support to reduce technical and purchasing risks for mold repair applications.
Pre-Purchase Sample Testing - Test customer-provided mold materials to evaluate weldability, filler-wire compatibility, and repair results before equipment purchase. Recommendations are provided based on the test results.
Installation & Training - Provide equipment commissioning, operator training, user manuals, video materials, and remote training to support machine operation and process setup.
Warranty & Technical Support - Provide warranty service for covered components, remote diagnosis, troubleshooting, and ongoing technical support throughout the equipment service life.
Quality & Compliance - Equipment undergoes inspection, testing, and calibration before shipment and is supplied with applicable CE and ISO 9001 documentation.
Global Service - Technical support is available for customers in more than 100 countries and regions, with overseas engineering service available for eligible projects and complex applications.
FAQ
Q: Can you test our mold material before we purchase the machine?
A: Yes. Provide the mold material grade, hardness, defect type, repair dimensions, and required final condition. Sample testing can be arranged for application-specific requirements.
Q: Can the system repair hardened mold steels?
A: The HT-MDWL Series can be evaluated for compatible hardened mold and tool steels. Suitability depends on the steel grade, hardness, repair geometry, and required post-weld condition.
Q: What types of mold damage can be repaired?
A: Typical applications include chipped edges, worn cavities, parting-line damage, localized surface wear, dimensional loss, and machining errors. Repair suitability depends on the base material and defect condition.
Q: Can repaired areas be machined or polished afterward?
A: The system is intended for material build-up followed by secondary finishing processes such as milling, grinding, polishing, or EDM, depending on the repair material and required final condition.
Q: What should I send for an application evaluation?
A: Provide the mold material and hardness, defect location, repair dimensions and depth, mold size and weight, and required final surface condition. Photos or sample parts can also help determine the appropriate repair process.
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