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    STON Metal Sheet Folding Machine with Automatic Loading&Unloading

    The plate turning machine is mainly used for metal plates (such as cold-rolled steel plates, stainless steel plates, aluminum alloy plates, etc.). While achieving plate posture adjustment (flipping, positioning), it also completes the bending process simultaneously. It is widely used in metal processing scenarios such as automotive parts, home appliance casings, and furniture production.

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    Flanging Machine1200
    The following are the parameters of the STON-1200F model, which are not suitable for all products. We can customize the machine according to your needs
    NO. Name STON-1200F
    1 Total Power 26.7KW
    2 Total Number of Axes 9-axis
    3 Maximum Bending Speed 0.5s/knife
    4 Maximum Bending Length (mm) 1200×1200
    5 Maximum Bending Height (mm) 100
    6 Bending Angle 0-180°
    7 Minimum Bending Radius 0.6mm
    8 Bending Straightness <±0.2mm/m
    9 Feeding Method Suction cup
    10 Feeding Table Brush, universal ball
    11 Lubrication Pipe Copper tube
    12 Minimum Bend Thickness (mm) 0.15
    13 Minimum Dimensions for Four-Sided Forming 200×140mm
    14 Minimum Dimensions for Single-Sided Forming 140mm
    15 Rated Voltage 380V
    16 Maximum Bend Thickness (mm) SS 0.8  Cold Plate 1.2  AL2.0
    Expand all parameters

    High-Precision CNC Sheet Metal Folding Machines for Automated Bending

    Our automatic sheet metal folding machines are ideal for processing cold-rolled steel, stainless steel, and aluminum alloy plates. Designed for precise plate positioning, flipping, and bending, these systems ensure consistent and repeatable folding for industrial production. Whether you're manufacturing automotive components, home appliance housings, or metal furniture, our machines deliver the performance and reliability your operation demands.

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    Finished product

    Finished product

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    Finished product

    Key Features of Our Metal Folding Machine

    The STON-1200F CNC sheet metal folding machine is an economical panel bender for precise bending 0–180°, with a max height of 100mm (customized). It processes SS 0.8mm, cold plate 1.2mm, and AL 2.0mm, ensuring excellent straightness, especially for thin cold plates.

    Integrated Automatic Loading & Unloading

    Equipped with a truss automatic loading and unloading system, it shortens cycle time, saves floor space, and ensures high-precision plate positioning for stable bending quality.

    High-Strength Folding Knife Structure

    The heat-treated folding knife made of premium mold steel provides outstanding hardness and wear resistance, delivering accurate bending angles for long-term high-precision sheet metal folding.

    Intelligent CNC Control System

    Adopting the UK Trio CNC control system, operators can easily set bending angle, pressure, and speed via an intuitive touch screen interface, ensuring precision and user-friendly operation.

    Durable & Rigid Machine Body

    The welded steel body with annealing treatment ensures high rigidity, minimal deformation, and consistent performance even under continuous industrial workloads.

    Automatic Lubrication & Reliable Components

    A timed automatic lubrication system with copper pipes reduces wear, while Schneider electrical parts and SYNTEC-driven motors guarantee stability and safety in demanding environments.

    Flexible Suction Cup Feeding

    The negative pressure suction feeding system adapts to different sheet sizes and shapes, ensuring scratch-free handling, fast material changeovers, and higher production efficiency.

    Panel Folding Precision at Its Best

    Our STON-1200F Metal Sheet Folding Machine delivers high-precision, high-quality flip–position–0–180° folding for a wide range of thin-gauge sheet-metal panels. See how manufacturers in automotive, appliances, and furniture use it to achieve consistent angles, clean edges, and faster takt with fewer regrips and easy, operator-friendly control.

    Door and window
    Furniture
    Kitchenware
    Medical Purification

    Core Accessories of Our Automatic Plate Turning & Folding Machine

    The automatic plate turning and folding machine is specially designed for sheet metal processing—including cold-rolled steel, stainless steel, and aluminum alloy plates. It integrates flipping, positioning, and bending in one system, widely used across automotive parts, home appliance enclosures, and metal furniture production. Below are the key components ensuring its performance and reliability:

    01

    Automatic loading and unloading

    The automatic loading and unloading machine integrates the truss system with the flanging machine, taking up less space than traditional setups while shortening cycle times. Equipped with a high-precision positioning system, it ensures accurate plate alignment during bending, enhancing overall production efficiency and product quality stability.

    Automatic loading and unloading

    02

    Folding Knife Structure

    The folding knife structure is made of high-quality mold steel with special heat treatment, delivering high hardness, toughness, and wear resistance. This ensures durability against long-term use and provides accurate, consistent bending angles, meeting various high-precision sheet metal folding requirements.

    Folding Knife Structure

    03

    Control System

    Featuring the UK Trio CNC control system, it precisely manages bending angle, pressure, and speed. The intuitive touch screen interface allows operators to set processing parameters easily, without requiring complex programming knowledge, making operation user-friendly and accurate.

    Control System

    04

    Machine Body

    The machine body is built with welded high-quality steel plates and a 80×80, 3mm thick square tube base. The integrated design of the bracket and feeding mechanism, combined with annealing and precision machining, ensures excellent rigidity, stability, and long-term performance for heavy-duty sheet metal processing.

    Machine Body

    05

    Lubrication

    The lubrication system supplies oil precisely to key friction points such as the folding knife and slider through corrosion-resistant copper pipes. Timed oil delivery prevents uneven manual lubrication, reducing wear, ensuring stable long-term operation, and lowering maintenance downtime.

    Lubrication

    06

    Electrical Components

    The folding machine adopts Schneider electrical components for breakers and contactors, paired with Huichuan motors and Taiwan SYNTEC drivers. These high-quality parts guarantee reliable performance in complex industrial environments, reducing failure rates and improving system safety.

    Electrical Components

    07

    Other Accessories

    Equipped with AirTac pneumatic valves and cylinders, the system allows precise air pressure adjustment for smooth plate clamping and flipping. Fast response improves processing continuity, enabling the CNC folding machine to execute control commands quickly and shorten each processing cycle.

    Other Accessories

    08

    Suction Cup Feeding

    The suction cup feeding system applies negative pressure to firmly grip sheet materials. Its soft contact surface ensures even force distribution, preventing scratches and marks on the plate. The layout and suction power can be adjusted for different sheet sizes and shapes, enabling smooth changeovers and faster feeding times.

    Suction Cup Feeding

    Client Factory Tours

    Experience Our Manufacturing Excellence Firsthand

    We believe in building strong, transparent relationships with our clients. That’s why we invite our partners to visit our state-of-the-art manufacturing facility and see our production process up close.

    Anthony

    With STON’s panel bender, our bending accuracy improved significantly, and we reduced labor by 40%. The ROI was achieved in under a year.

    Procurement Manager, HVAC

    Component Factory (Germany)

    Jeffrey

    “Thanks to the customization from STON’s team, our production line now runs 30% faster with better product consistency.”

    Factory Owner, Stainless Kitchenware

    Manufacturer (USA)

    Jared

    “Stable, precise, and easy to operate — STON’s panel bender has boosted our output and cut labor costs.”

    – Operations Director, Electrical Cabinet

    Factory (Canada)

    Case Studies

    FAQ

    What types of sheet metal can your flexible bending center process? What is the thickness range?

    Our machines is suitable for common sheet metals such as stainless steel, carbon steel, aluminum alloy, and galvanized sheet. The thickness range is 0.2mm-6mm, meeting needs of various industries, including home appliances, hardware, and cabinets. It also supports asymmetric and complex customized processes.

    After purchasing the machine, do you provide installation, commissioning, and operator training?

    Yes, we offer a one-stop service: “on-site installation + commissioning + customized training.” Professional engineers will visit the customer’s site to complete production line assembly and equipment integration commissioning to ensure the line reaches its designed capacity. We also provide theoretical and practical training for operators (6-8 days), covering equipment operation, routine maintenance, and troubleshooting. After the training, we provide an operator manual and video tutorials.

    Can you provide customized solutions for special needs?

    Customized services are available. We will optimize the machine structure based on the customer’s workshop space, load capacity, and processing requirements. While ensuring processing accuracy, we adapt the machine to the shop’s existing power and air supply conditions to ensure smooth installation and efficient operation.

    What is your after-sales response time in the event of a malfunction? How do you provide technical support?

    We have established a 24-hour global after-sales response mechanism: Customers can submit troubleshooting reports via phone, email, or online customer service, and a preliminary solution will be provided within 1 hour. If remote debugging is required, an engineer will provide video guidance within 2 hours. For hardware repairs, domestic customers will receive a visit within 48 hours, while overseas customers can use authorized service centers or expedited delivery of parts (with installation instructions) to ensure a quick resolution.

    What is the warranty period for your various sheet metal processing equipment? What does the warranty cover?

    All of our standard equipment (flexible bending centers, CNC turret punch presses, press brakes, and punching and shearing machines) comes with a one-year free warranty. For some products with higher system complexity, the warranty period can be extended to 18 months. The warranty covers repair and replacement of quality issues with core components (such as servo motors, CNC systems, and guide rails), as well as free on-site inspections during the warranty period. Please note that equipment failures caused by human error, force majeure (such as floods and earthquakes), or failure to follow the maintenance manual are not covered by the free warranty, but paid repair services are available.

    For long-term use, is the warranty extended? How are extended warranty plans formulated?

    Extended warranties are available, with coverage ranging from 1 to 3 years. These plans are customized based on the equipment type, frequency of use, and customer needs. A one-year extension for a single device costs approximately 3%-5% of the total price, while bulk extensions for multiple devices or fully automated production lines offer a 20% discount. During the extended warranty period, in addition to core component repairs, customers also receive a free annual comprehensive equipment inspection and maintenance service to help them proactively identify potential faults and extend the life of their equipment.

    What payment methods are available for equipment purchases? Do you support international payment terms?

    We offer flexible payment options to meet the needs of domestic and international customers: ① Telegraphic Transfer (T/T): 30% prepayment, 70% before equipment leaves the factory; ② Letter of Credit (L/C): We accept irrevocable letters of credit issued by the customer’s partner bank at sight to ensure the security of funds for both parties. All payment methods comply with international trade practices and support mainstream settlement currencies such as the US dollar and the euro.

    What is a CNC Sheet Metal Folding Machine?

    A CNC Sheet Metal Folding Machine is an automated system that uses computer numerical control (CNC) to accurately bend and fold metal sheets at various angles. It replaces traditional press brakes in many applications, offering higher precision, repeatability, and faster setup times. Ideal for panels, cabinets, and enclosures, it’s widely used in industries like automotive, appliances, and furniture.

    What materials can be processed with a CNC metal folding machine?

    STON’s CNC folding machines support a wide range of materials, including cold-rolled steel, stainless steel, aluminum alloy, galvanized sheets, and more. These machines are engineered to handle different sheet thicknesses while maintaining high bending precision and minimal surface damage.

    What are the advantages of using an automatic sheet metal folding machine over a press brake?

    Compared to a traditional press brake, an automatic CNC sheet metal folding machine offers:

    Faster setup and changeovers、Higher bending accuracy and repeatability、Reduced operator skill requirements、Safer operation with fewer regrips

    It’s a preferred choice for batch production and panel forming lines requiring consistent quality and automation.

    Can the CNC sheet folding machine handle custom panel sizes and shapes?

    Yes. Our CNC folding machines are designed to support custom panel dimensions, with multi-axis linkage and intelligent control systems that enable complex bends, radius folds, and multiple angles in a single cycle. It’s suitable for both standard and custom sheet metal parts.

    What industries benefit the most from CNC sheet metal folding machines?

    Industries that rely on high-precision metal panels benefit greatly, including:

    Automotive part manufacturing、Electrical enclosures and cabinets、HVAC systems、Furniture and home appliance casings、Sheet metal job shops

    These sectors value CNC folding for its efficiency, consistency, and adaptability to high-mix low-volume production.

    What is a folding metal machine and how does it work?

    A folding metal machine is specialized sheet metal equipment used for bending and forming metal plates into precise angles and shapes. Unlike traditional press brakes, sheet metal folding machines use folding knives and CNC control systems to bend metal without leaving scratches, ensuring accuracy and consistency.

    What are the advantages of using an automatic sheet metal folding machine?

    An automatic sheet metal folding machine greatly improves efficiency by reducing manual handling, offering fast setup, and ensuring consistent bending angles. It minimizes labor costs, increases productivity, and is especially suitable for both small-batch customized sheet metal production and large-scale manufacturing.

    What materials can CNC sheet metal folding machines process?

    Our CNC sheet metal folding machines can process a wide range of materials including stainless steel, aluminum, cold-rolled steel, and galvanized steel. With advanced control systems and durable folding knife structures, they achieve precise bends on materials of different thicknesses while maintaining excellent straightness.

    How is a folding metal machine different from a press brake?

    While both machines bend sheet metal, a folding metal machine is ideal for producing parts with high surface quality and minimal tool marks. It uses suction cup feeding systems and folding knives for smoother handling, making it better for panels, cabinets, enclosures, and decorative sheet metal where precision and aesthetics matter more than brute force.

    Can folding metal machines be customized for specific production needs?

    Yes, our automatic folding metal machines can be fully customized based on coil size, plate thickness, bending height, and specific production drawings. With modular automation options such as robotic loading/unloading and CNC control upgrades, they can be tailored to meet the requirements of different industries including appliances, furniture, construction, and automotive sheet metal production.

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    Whether you're upgrading an existing line or starting a new project, STON will customize a CNC solution for your production.