The 4-Inch Coaxial Laser Processing Head for Internal Cladding is a reflective coaxial powder feeding system designed for narrow internal surfaces with diameters ≥100 mm. Featuring a four-way powder feeding configuration, it ensures uniform powder distribution and stable deposition performance. The head can be integrated with robotic arms for vertical surface and complex curved-surface cladding applications.
With low heat input and minimal thermal impact on the substrate, it produces low-distortion cladding layers with excellent surface flatness, making it ideal for high-precision remanufacturing and repair of small-diameter internal components.
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| Spot Quality | Intelligent Control and Monitoring | Material Compatibility | |||
Uniformity into a circular shape uniformity of energy distribution directly affects | Lens temperature, molten pool CCD vision, temperature, powder flow monitoring | Copper alloy and Titanium alloy, Iron-based, Nickel-based, Cobalt-based and other metal powders | |||
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| Modular Design | Functionality | Safety | |||
The lens system, moritoring system and optical path system operate in a modular manner,making them easy to disassemble, maintain and service | High-efficiency water cooling, spatter resistant, dustproof, water mist-resistant, low spare parts replacement, frequency sealing rating( e.g., IP65) | Equipped with high-temperature alarm, real-time protection of equipment stability and workpiece cladding quality. |
Performance Parameters | |
Fiber Interface | QBH |
Optical Path Structure | Standard transmission structure |
Cooling Type | Water cooling |
Power Options | 6KW |
Spot Size | ≥Φ100 |
Applicable Materials | Iron-based, nickel-based, cobalt-based, copper titanium and other metal powders |
Operating Wavelength | 1080nm |
Auxiliary Functions | Lens temperature monitoring |
Ideal for surface strengthening and cladding repair of cylindrical, tubular, and flat components across various industries:
Mining & hydraulic support – External surface reinforcement of cylinder barrels and hydraulic legs in coal mining roof supports.
Steel & metal rolling – Wear-resistant cladding for mill rolls, backup rolls, work rolls, and other frequently replaced parts.
Power transmission systems – Surface performance improvement for crankshafts, drive shafts, main shafts, and other rotating components.
Pipeline & energy sectors – External wall protection for pipes used in oil, gas, chemical, and power generation facilities.
Hydraulic systems – Uniform cladding on plungers, sleeves, and tubular parts to ensure sealing reliability.
Flat or partial surfaces – Targeted cladding on localized flat areas or irregular workpiece surfaces.
Q1: What is the minimum internal diameter this 4-inch coaxial laser processing head can access?
A1: This internal cladding head is specifically designed for narrow internal surfaces with a minimum diameter of 100 mm (approximately 4
inches). The reflective coaxial powder feeding system with four-way powder distribution ensures stable deposition even in confined bore
spaces, making it ideal for high-precision remanufacturing and repair of small-diameter hydraulic components, pipe interiors, and mining
bushings.
Q2: How does this internal cladding head prevent distortion on small-diameter or thin-walled components?
A2: The 4-inch coaxial head features low heat input design with minimal thermal impact on the substrate, producing low-distortion cladding
layers with excellent surface flatness. This is critical for maintaining tight dimensional tolerances on small-diameter internal components
such as cylinder barrels, plunger bores, and precision hydraulic parts — where excessive heat could cause warping or loss of fit.
