Precision Thermal Break Aluminum Window Machinery For Energy-Efficient Window Manufacturing
Aluminum and PVC UPVC Window Machinery covers a full range of industrial-grade processing equipment for manufacturing thermal break aluminum windows, aluminum alloy doors and windows, as well as UPVC and PVC plastic window systems. This integrated series of Window Machinery includes profile knurling, strip inserting, bending, high-precision cutting, hydraulic corner crimping, CNC end milling and seamless welding machines, forming a complete one-stop production line for both aluminum and plastic architectural windows and doors. Optimized for modern energy-saving window fabrication, our Window Machinery delivers high precision, stable operation and fully automated processing, helping manufacturers produce high-airtight, high-strength and durable window products for global residential, commercial and curtain wall projects.
Our Thermal Break Aluminum Window Machinery lineup supports full-process production, from thermal break profile insulation processing, arbitrary angle cutting and hydraulic corner combining to precise end milling, profile bending and seamless laser welding. All CNC and hydraulic Window Machinery adopts industrial-grade structure, intelligent digital control and automatic calibration technology, effectively eliminating profile deformation, assembly gaps and dimensional errors. Compatible with thermal break aluminum, ordinary aluminum alloy and UPVC PVC profiles, our Window Machinery meets flexible production demands for standard windows, special-shaped windows and customized architectural facade systems.
Thermal Break Aluminum Knurling and Strip Inserting Machinery
Our professional thermal break processing Window Machinery includes multiple heavy-duty knurling and inserting models for insulated aluminum profile production. The Dual-Motor Thermal Break Knurling Strip Inserting Machine features digital display and manual fine-tuning functions for precise tooth opening and strip installation. The upgraded CNC Thermal Break Aluminum Knurling Inserting Machine supports electric lifting and automatic tool setting, and can operate with protected film-covered profiles without surface damage. The heavy-duty 220*250mm Six-Drive Thermal Break Profile Knurling Machine provides stronger clamping force and stable knurling performance, ideal for processing thick-wall thermal break aluminum profiles for high-end energy-saving windows.
High-Precision Aluminum Profile Cutting Machinery
We supply comprehensive cutting Window Machinery for aluminum and PVC profile blanking. The 45&90 Degree Double Mitre Saw supports standard angle cutting for aluminum and PVC window frames. Equipped with intelligent CNC systems, the Full Auto Double Head Aluminum Mitre Saw and CNC Automatic Double Head Mitre Saw realize fully automatic feeding and cutting for mass production, while the Semi-automatic Double Head Mitre Saw offers cost-effective solutions for medium and small factories. In addition, the CNC Arbitrary Angle Mitre Saw for Aluminum Profile Cutting achieves flexible multi-angle cutting, perfectly meeting the processing requirements of special-shaped window frames and customized architectural designs.
Hydraulic & CNC Corner Crimping Machinery
To ensure rigid and seamless window frame assembly, our corner crimping Window Machinery includes multiple professional models. The Hydraulic Single Head Corner Crimping Machine LMD-120 delivers stable hydraulic pressure for firm single-point corner assembly. The heavy-duty 140mm Aluminum Profile Corner Combining Machine adapts to thick aluminum window frames for high-strength connection. The 100mm*3500mm Two Heads Corner Combining Machine supports super-long profile synchronous crimping for large window and curtain wall frames. For high-efficiency batch production, the 4 Heads Aluminum Window Corner Crimping Machine and CNC Four Head Corner Crimping Machine CLM4S-1800×3000 complete four-corner forming in one cycle, greatly improving assembly precision and production efficiency.
CNC End Milling, Bending and Welding Equipment
Our advanced finishing Window Machinery realizes ultra-precise profile processing. The 3500mm Heavy-Duty Aluminum Curtain Wall End Milling Machine handles super-long profile end trimming for curtain wall and large window projects. The upgraded 3+1 Axis, 4+2 Axis and Multi-Angle 3+2 End Miller series support complex mullion milling and special-shaped profile processing for irregular window structures. The CNC Aluminum PVC Profile Bending Machine achieves precise arc bending for both metal and plastic profiles. Furthermore, the Aluminum Profile Seamless Laser Welding Machine provides high-precision welding with smooth, gap-free joints, significantly improving the structural stability and appearance quality of finished aluminum window products.
Overall Advantages
Integrating cutting, knurling, inserting, bending, milling, crimping and welding functions, our full-series Window Machinery is highly compatible with thermal break aluminum, ordinary aluminum and UPVC profiles. Featuring intelligent CNC control, hydraulic stability and multi-axis linkage design, the equipment reduces manual errors, improves finished product consistency, and lowers long-term production costs. Fully compliant with international manufacturing standards, our professional Window Machinery is the ideal comprehensive production solution for modern door and window processing enterprises.
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Aluminum Profile Seamless Laser Welding Machine
The famous LBL brand Aluminum Profile Seamless Laser Welding Machine is a specialized fiber laser welding system engineered for high-precision seamless welding of aluminum alloy profiles, especially for door and window frame fabrication. It integrates advanced fiber laser technology, 4-axis motion control, and intelligent software to deliver clean, strong, and aesthetic welds with minimal post-processing.Our Manufacturer ensure fast delivery and high quality.We have many product patents for the machines
Multi-Angle 3+2 End Miller for Special Shape Aluminum Mullion
Multi-Angle 3+2 Axis CNC End Miller is engineered for complex, non-standard aluminum mullions, transoms, and frame profiles—especially thermal break, system window, and curtain wall aluminum sections. Combining 3 linear servo axes (X/Y/Z) + 2 rotary axes (spindle tilt + flip), Multi-Angle 3+2 End Miller for Special Shape Aluminum Mullion delivers true multi-angle ( 45° to +45°), one-setup milling for special shapes that standard 3+1 machines cannot handle. Lebulang LBL brand is one china machine manufacturer in china . Dual Cut 4+2 Axis End Miller Thermal Break Aluminium Production Line
3+1 Axis CNC Aluminum End Milling Machine for Thermal Break Window Mullion
Our 3+1 Axis CNC End Milling Machine is a cost-effective, high-precision solution specially designed for thermal break aluminum window and door mullions, transoms, and frame profiles. Widely used in aluminum window manufacturing, 3+1 Axis CNC Aluminum End Milling Machine for Thermal Break Window Mullion combines 3 linear servo axes + 1 rotary flip axis to deliver automatic, accurate, and efficient end face milling, tenon cutting, groove machining, and step surface processing.
Dual Cut 4+2 Axis End Miller Thermal Break Aluminium Production Line
Our Dual Cut 4+2 Axis End Miller Thermal Break Aluminium Production Line is a heavy-duty, high-precision end milling machine specially developed for thermal break aluminum profiles, widely used in aluminum door, window, and curtain wall manufacturing. Combining 4 linear axes + 2 rotary axes with dual-spindle dual-cutting design, this machine achieves one-pass complete machining of mullion end faces, tenons, grooves, and step surfaces — ideal for mass production and high-precision requirements.LBL brand is famous china Manufacture.
250W Six Blades Heavy End Milling Machine Aluminum Curtain Wall
Our LBL brand 250W Six Blades Heavy End Milling Machine Aluminum Curtain Wall is a professional semi-automatic solution for precision end face, tenon, and mullion milling of aluminum curtain wall, window, and door profiles. Designed for high efficiency and accurate joint preparation, it features 6 independent cutters (φ250mm) driven by 6 separate motors, enabling one-pass forming of complex tenon shapes for seamless profile connection. Ideal for small-to-medium batch production of aluminum facades, curtain walls, and door frames.
100mm*3500mm Two Heads Aluminum Window Door Corner Combining Machine
The LBL brand 100mm*3500mm Two Heads Aluminum Window Door Corner Combining Machine (also called double-head corner crimping machine) is a semi-automatic hydraulic unit designed for 90° corner crimping of aluminum profiles in window and door production. It finishes two corners in one cycle, supports profile width up to 100mm and max frame length 3500mm, ideal for medium-to-large batch manufacturing of high-strength aluminum frames.our factory is in China.
LBL Machine is a professional Thermal Break Aluminum Window Machinery manufacturer and supplier in China. We have an experienced sales team, professional technicians, and an after-sales service team.
