About Blanking Lines

The blanking line enables processing personnel to precisely identify the cutting lines and removal areas during manufacturing, thereby significantly enhancing processing accuracy. It serves as a critical reference for ensuring correct material cutting when fabricating complex components like parts and molds

Accurately marking the cutting lines ensures that the raw material is only cut where necessary, which effectively reduces both material waste and production costs.

The blanking line (in stamping processes) clearly defines the cutting perimeter, allowing production personnel to initiate processing promptly and avoid unnecessary measurements or repeated adjustments, thereby enhancing production efficiency.

Blanking lines are critical for mass production because they ensure consistency among products. Standardized blanking lines guarantee that each component meets design specifications, streamlining assembly processes.

Blanking lines not only help with cutting, but also provide guidance for subsequent processing. Whether it is punching, bending or welding, blanking lines can serve as a reference for subsequent steps to ensure accurate docking of each process.

This belt conveyor blanking line uses a belt conveyor system to transport materials between stations. It is suitable for various materials, such as parts, packaging materials, and food. Featuring a simple structure and stable operation, it is widely used in light material transport.

Chain conveyor lines, primarily composed of chains and carriers, are designed for transporting heavy-duty materials like mechanical components (e.g., gears, shafts) and metal parts. Chains offer superior load-bearing capacity-with tensile strengths often exceeding 30kN-making them ideal for bulky or high-mass components in complex production setups.

Materials are conveyed via a roller conveyor mechanism, typically by rolling on cylindrical rollers, making it suitable for bulkier or heavier components. Roller conveyor lines are widely used in various manufacturing sectors, especially in industries where mechanical machining-such as cutting or milling-is performed.

A vibration blanking line uses a vibration mechanism to move materials. This type of blanking line is usually used to convey powdery or small granular materials, and can stably deliver them to a target location under high-frequency vibration.

Roller conveying is usually used for intermittent or small-batch conveying. This type of system has a flexible design and is suitable for items with different sizes and weights.

A spiral conveyor is often used for vertical or sloped material transportation and is especially suitable for small or inclined spaces. It delivers materials to a designated location through the rotation of spiral blades and is suitable for transporting granular and powdery materials.

A blanking line combines mechanical systems and automated control systems for material transportation. It is mostly used in production scenarios like manufacturing plants and assembly lines that demand high precision and efficiency, and can intelligently control tasks like material transportation and stacking

Steel industry:
Cut-to-length shearing lines are widely used for cutting steel plates and strips, transforming large rolls of steel sheets or strips into specified-length products for subsequent processing like stamping and welding.
Aluminum processing:
In aluminum processing, cut-to-length shearing lines are used to cut aluminum coils into aluminum plates or strips of specified length, primarily applied in the automotive and construction industries.

Steel structure manufacturing:
Cut-to-length shearing lines are used to cut steel into specified sizes for steel-framed buildings, bridge construction projects, and other applications.
Metal roof panels and wall panels production:
Cut-to-length lines are used to cut metal roof and wall panels into specified dimensions as needed for construction projects.

Cut-to-length lines are used to cut automotive sheet metal into specified dimensions for automotive parts, such as body panels and chassis components.

Cut-to-length lines are often used to cut metal materials such as aluminum foil into standard sizes for food and pharmaceutical packaging.

Cut-to-length lines are often used to cut metal materials such as aluminum foil into standard sizes for food and pharmaceutical packaging.

In shipbuilding, cut-to-length lines are used to cut shipbuilding hull plates into specified dimensions for downstream assembly and welding processes.

The main function of the plate feeding system is to smoothly feed large coils or plates into the working area of ​​the blanking line. It is usually composed of feeding rollers, servo drive system and control system. The plate feeding system can automatically adjust the position and speed of the plate according to the set spacing to ensure the accuracy of the subsequent processing process.

The uncoiler is used to unwind and flatten large coils of metal sheet coils. It uses a tension control system to ensure that the sheet does not curl or deform when entering the blanking line. Common uncoilers include single uncoilers and double uncoilers.

The leveler is used to level the metal sheets to eliminate irregular shapes such as waves and warps in the coils. The leveler uses multiple rollers to ensure that the surface of the sheet is flat, which is convenient for subsequent cutting.

The punching machine is the core equipment in the blanking line, which is used to cut the sheet into the required size and shape according to the shape of the die. According to the processing requirements, punching machines can be divided into single-station punching machines, continuous punching machines, or hydraulic punching machines (classified by power type). The cutting accuracy of the punching machine is very important to product quality.

The die system is used to punch metal sheets into the required shape and size. The design of the die directly affects the cutting accuracy and efficiency, and usually the die needs to be customized according to different part shapes.

The stacking device is used to stack the blanked plates in a certain order and quantity, and is usually composed of a robotic arm, an automatic stacker, etc. The stacking device can improve production efficiency and facilitate subsequent handling and assembly.

The electrical control system is the "brain" of the blanking line. It controls the coordinated work of various components through PLC, including feeding, leveling, punching, conveying and other processes. The control system can be operated through the human-machine interface (HMI) to monitor the operating status of the blanking line in real time to ensure the smooth progress of the production process.

The conveyor system is used to automatically transport the cut plates to the next processing step or stacking position. The conveyor system includes conveyor belts, rollers, guide rails, etc. to ensure stable and fast transfer of plates.

Compared with traditional manual cutting or small mechanical cutting equipment, blanking lines can significantly improve production efficiency. Traditional manual cutting is not only labor-intensive, but also limited by workers' operational skills in terms of cutting accuracy and production speed. The blanking line can quickly and accurately complete the cutting of sheets through fully automated or semi-automated operations, reducing manual intervention and errors. A series of processes-such as feeding, leveling, cutting, conveying, and stacking-can be efficiently executed on the same production line, greatly enhancing production continuity and automation. Meanwhile, the blanking line can perform fixed-length and fixed-shape cutting according to product production requirements, minimizing material waste. While traditional cutting methods often suffer from material waste and production delays, the blanking line ensures production process efficiency and supports large-scale production through its streamlined workflow.

The blanking line can ensure the high consistency and precision of the product during the cutting process, which is particularly important for some industries with precision manufacturing and high standards. In the blanking line, high-precision control systems (such as servo control) and high-quality molds are used to keep the size of each cut plate within an extremely precise range, avoiding errors and inconsistencies that may occur in manual cutting. Especially in mass production, precise size and shape requirements are the prerequisite for ensuring product quality and the smooth progress of subsequent processes. For example, in industries such as automobile manufacturing and home appliance production, the blanking line can ensure that the size of each component is accurate and consistent, thereby ensuring assembly accuracy and performance. Traditional cutting methods may cause dimensional deviations and irregular shapes under manual operation, thus affecting the overall quality of the product and the stability of subsequent production.

Blanking lines can greatly improve material utilization through precise cutting and efficient workflows. Traditional manual cutting or small mechanical equipment often results in substantial material waste, as manual operation leads to unavoidable scraps and large cutting gaps, causing significant loss. Blanking lines minimize cutting waste through computer-aided programming and automated control. For example, when processing large rolls of sheet metal, the line automatically optimizes cutting layouts based on production plans and material specifications, reducing material offcut waste and ensuring rational use of every part of the material. This efficient cutting method not only enhances production efficiency but also lowers raw material procurement costs and waste disposal expenses. Especially in bulk metal processing industries like shipbuilding or construction, where material costs constitute a major portion of total production costs, improving material utilization is crucial for reducing production expenses and enhancing corporate competitiveness.