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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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3+2 Axis CNC End Miller for Special-Shaped Aluminum Mullions | Window & Curtain Wall Machinery

3+2 Axis CNC End Miller for Special-Shaped Aluminum Mullions | Window & Curtain Wall Machinery

.Purpose-built for architectural aluminum and façade manufacturers, this advanced 3+2 axis CNC end miller solves the industry’s most persistent challenge: achieving flawless end-milling on complex, irregular mullion profiles. By integrating three high-rigidity CNC axes with a tilting spindle, it executes multi-angle face milling, step-cutting, and chamfering in a single setup—eliminating cumulative positioning errors and guaranteeing seamless, gap-free assembly in premium system windows and curtain walls. With servo-driven accuracy (±0.1mm), automatic tool calibration, and intelligent program storage, it drastically reduces labor dependency, scrap rates, and changeover times, making it the definitive solution for both high-mix custom projects and high-volume production lines.
Industrial CNC 3+2 Axis Multi-Angle End Miller for Special-Section Aluminum Mullion Profiles

Industrial CNC 3+2 Axis Multi-Angle End Miller for Special-Section Aluminum Mullion Profiles

Purpose-built for architectural aluminum and façade manufacturers, this advanced 3+2 axis CNC end miller solves the industry’s toughest challenge: machining complex, irregular mullion profiles with absolute precision. By combining three linear CNC axes with a tilting spindle, it performs multi-angle end milling, step-face machining, and chamfering in a single setup—eliminating cumulative errors and ensuring seamless, gap-free assembly in system windows and curtain walls. With servo-driven accuracy (±0.1mm), automatic tool setting, and multi-profile program storage, it reduces labor dependency, minimizes scrap, and accelerates changeovers, making it the definitive solution for both high-mix custom projects and high-volume production.
Multi-Angle 3+2 Axis CNC End Miller for Irregular Aluminum Mullion Profiles

Multi-Angle 3+2 Axis CNC End Miller for Irregular Aluminum Mullion Profiles

Engineered for the demanding needs of architectural aluminum fabrication, this advanced 3+2 axis end miller delivers unmatched versatility in machining complex mullion profiles. Unlike standard 3-axis machines, its tilting spindle enables precise multi-angle cutting, stepped faces, and chamfering in a single setup—eliminating cumulative errors and ensuring seamless assembly for system windows and curtain walls. With servo-driven accuracy (±0.1mm), automatic tool setting, and multi-profile program storage, it drastically reduces labor costs and setup times, making it the ideal solution for high-mix, low-volume custom projects and high-volume production alike.
High-Precision 3+2 Axis CNC End Miller for Special-Shaped Aluminum Mullions

High-Precision 3+2 Axis CNC End Miller for Special-Shaped Aluminum Mullions

3+2 Axis CNC Multi-Angle End Milling Machine for Special-Shaped Aluminum Mullions Engineered for high-precision machining of complex aluminum mullions and curtain wall profiles, this 3+2 axis CNC end miller delivers multi-angle cutting in a single setup. It features a tilting spindle (0°–90°), servo-driven positioning, and automatic tool setting to process special-shaped, stepped, and angled profiles with ±0.1mm accuracy. Designed for window, door, and façade manufacturers, it reduces labor, minimizes setup changes, and ensures seamless mullion-to-frame assembly.
Dual-Motor Aluminum Profile Thermal Break Inserting Machine

Dual-Motor Aluminum Profile Thermal Break Inserting Machine

Unlike single-motor systems, this dual-motor thermal break machine gives you independent control over knurling and strip insertion heads. Each motor drives its own process—precision tooth-rolling on the profile groove, followed by accurate PA66 strip feeding—ensuring perfect synchronization without compromise. CNC-adjustable head positions, pneumatic clamping, and heavy-duty construction make it the go-to solution for high-volume thermal break aluminum production lines.
Dual-Motor Thermal Break Knurling Strip Insertion Machine

Dual-Motor Thermal Break Knurling Strip Insertion Machine

The Dual-Motor Thermal Break Knurling & Strip Inserting Machine integrates precision knurling and PA66 strip insertion into a single, high-efficiency process. Independent drive heads ensure synchronized operation and accurate profile positioning, while variable frequency control delivers consistent feed rates up to 70m/min. Engineered for aluminum window, door, and curtain wall manufacturers who demand high-shear strength thermal break profiles and reliable production output
Lebulang 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.
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