Cut To Length Line
JS Tech:Your Professional Cut To Length Line Manufacturer!
Dongguan JS Tech Limited is a stamping automation equipment manufacturer integrating R&D, manufacturing, sales and service. JS Tech originated in 2009. It takes the optimal stamping automation solution planning as the guide, combines the entire line control system with each automation equipment unit, and superimposes MES data connection ports to provide one-stop overall solutions for auto parts, household appliances, motors and other hardware stamping manufacturing companies.
Why Choose Us
Professional Team
Our company has a technical R&D team from well-known foreign companies, more than half of the staff have college degrees or above, using high technology to help customers achieve the best solution, customized automation equipment and the most efficient whole-line control. At the same time, it opens up the digital management channel for enterprise content for customers and connects the data of automated production lines to customers' all-round MES systems.
Our Products
15 years of in-depth research in the field of stamping automation has refined an efficient large-scale three-dimensional(3D) transfer system whole lines, an efficient and economical large-scale stamping press manipulator series line; robot tandem press series line; high-strength high-precision leveling blanking line; magnetic stacking blanking line; cutting line; swing shear line; zigzag blanking line; new and efficient big wind generator stator and rotor press line in the motor industry; continuous stacking and riveting high-speed stator and rotor stamping line; large 3-in-1 coil blanking line and other types of stamping automation unit equipment such as uncoiler, straightener, feeders and various types of manipulators.
Patented Technology
After 15 years of training, JS Tech's series of technologies are at the forefront of the industry, and have obtained invention patents and utility model patents for various production lines and excellent equipment in each unit. It also won the title of National High-tech Enterprise in 2024. JS Tech's exports a large number of products to Europe, and all products exported to Europe have obtained CE certification.
Product Application
JS Tech's products are widely used in Fortune 500 companies, various international listed companies, and well-known foreign companies; and it cooperates with large domestic and international stamping equipment manufacturers, including Yadon, YANGLI, Heduan(HFM), MINSTER, AIDA, etc.
Advantages of Cut To Length Line
Customization: Cut to length lines allow for customization, as they enable manufacturers to produce sheets of various lengths. This versatility is particularly useful in industries such as construction, automotive, and steel fabrication, where different sheet sizes are required for specific applications.
Precision Cutting: Cut to length lines are equipped with advanced cutting mechanisms and length measurement systems, allowing for precise and accurate cutting of coils into flat sheets of predetermined lengths. This ensures uniformity and consistency in the finished products, meeting tight tolerances and quality standards.
Enhanced Quality Control: With cut to length lines, manufacturers can ensure consistent sheet lengths, minimizing wastage and improving overall product quality. This level of precision is crucial for industries that demand accurate dimensions, such as metal fabrication and manufacturing.
Higher Production Speed: Cut to length lines can handle a high volume of material quickly, resulting in faster production times. The automated cutting process eliminates the need for manual labor, reducing human error and maximizing efficiency. This makes cut to length lines suitable for large-scale production environments.
Reduced Material Waste: Cut to length lines optimize material usage and minimize waste by cutting coils into exact lengths required for production. This reduces scrap material and material handling costs, leading to improved cost efficiency and sustainability.
Technical parameter
|
Feeding Width |
1250mm or as required |
|
Raw Material |
GI,SI, SST,Al.etc |
|
Max.Slitting Strips No. |
25 strips or as required |
|
Min. Width of Strip |
40mm or as required |
|
Thickness of Raw Material |
Max.2mm |
|
Max.Working Speed |
50-60 m/min |
|
Capacity of Hydraulic Decoiler |
10T/15T or as required |
|
Capacity of Hydraulic Recoiler |
10T/15T or as required |

Application of Cut To Length Line
Automotive Industry
Cut to length lines are used to produce components such as body panels, chassis parts, and structural elements for vehicles.
Construction
Cut to length lines are employed to manufacture building materials, including roofing, siding, and framing elements.
Appliances
In the appliance industry, cut to length lines are utilized to create parts for refrigerators, ovens, washing machines, and other household appliances.
Electrical Equipment
Cut to length lines are used to produce components for electrical enclosures, panels, and housings.
Aerospace
The aerospace industry relies on cut to length lines for fabricating structural components and skin panels for aircraft.
Types of Cut To Length Line
Start-stop shear CTL line
Best suited for light to medium-gauge materials, this system pauses material flow before each cut. It is a cost-effective choice for manufacturers prioritizing precision. Cutting mechanisms may include hydraulic, crankshaft, or trapezoidal shears.
Flying shear CTL line
Designed for continuous operation, this system cuts the material without stopping, maximizing throughput and reducing downtime. It is commonly used in high-volume automotive, construction, and appliance industries.
Rotary shear CTL line
Uses a continuous rotary motion for precise cutting, making it ideal for cold-rolled steel, stainless steel, and aluminum. It produces clean, burr-free edges and is preferred in industries requiring tight tolerances, such as electronics and aerospace.
Trapezoidal shear CTL line
Specialized for cutting angled and rectangular blanks, this system is widely used in the automotive industry. The adjustable cutting mechanism allows for the production of custom-shaped sheets with high accuracy.
Heavy gauge CTL line
Built for processing thick materials (½ inch or more), this system includes reinforced straighteners and high-capacity stackers to handle heavy-duty applications. It is commonly used in shipbuilding, construction, and industrial fabrication.
Flat bar cut-to-length line
Designed specifically for producing flat steel bars used in construction and industrial grids. These machines include edge-trimming mechanisms to ensure clean cuts and remove burrs for high-quality flat steel production.
Working Principle of Cut To Length Line
A cut to length line is a machine used in metal processing to cut coils of material into flat sheets of predetermined lengths. Here’s a simplified overview of how a cut-to-length line works:
Material Loading: The process begins with loading a coil of material onto the entry coil car or decoiler of the cut-to-length line. The coil contains a continuous strip of metal, typically steel, aluminum, or stainless steel.
Uncoiling and Straightening: The coil is uncoiled using the decoiler or feeding mechanism, and the material is fed through a series of straightening rollers. These rollers help remove any coil set or curvature in the material, ensuring a flat and uniform surface for cutting.
Length Measurement: As the material passes through the cut-to-length line, its length is measured using a length measuring device or programmable controller. Operators can input the desired length manually or select predefined cut lengths from the machine’s control panel.
Cutting Operation: Once the desired length is determined, the material is cut using a cutting mechanism integrated into the cut-to-length line. The cutting mechanism may consist of hydraulic shears, rotary knives, or other cutting tools, depending on the type and thickness of the material being processed.
Sheet Stacking: The cut sheets are collected as they exit the cutting mechanism and stacked onto a conveyor or pallet for further processing or packaging. Some cut to length lines may include an automatic stacking system to accumulate the cut sheets neatly and efficiently.
Repeat Process: The process is repeated for each coil of material, with the cut to length line automatically adjusting the cutting parameters and sheet lengths as needed. This allows for continuous and efficient production of flat sheets of predetermined lengths.
Quality Control: Throughout the cutting process, operators monitor the quality of the cut sheets to ensure they meet the required dimensions, tolerances, and surface quality. Quality control checks may include visual inspections, measurements, and testing to verify the accuracy and consistency of the cut lengths.
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