Coil Straightener
JS Tech:Your Professional Coil Straightener 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 Coil Straightener

Greater accuracy and precision
Coil straighteners improve the accuracy and precision of subsequent processes. They straighten the material more precisely by adjusting the gap height between the rollers. Straightened coils can be measured and calibrated more accurately, which improves the quality of the final product.

Minimize material waste
Coil straighteners minimize material waste by reducing defects such as wrinkles or warping. This not only saves costs, but also helps to achieve a more sustainable production process.

Superior material quality
By straightening the material, the coil straightener can deliver a smoother finish for the material.

Increased safety
Coil straighteners can eliminate or reduce manual handling of bent coils, thereby improving operating safety and minimizing the risk of accidents.
Application of Coil Straightener
Automotive Industry
The automotive industry heavily relies on coil straightener for the production of various components. These machines are used to straighten coiled materials such as steel, aluminum, and other metals that are commonly used in automotive manufacturing. Straightened coils are then further processed into components like chassis parts, body panels, and suspension components. The use of coil straightener ensures the precise dimensions and flatness required for these critical automotive parts.
Steel Industry
In the steel industry, coil straighteners are indispensable. Steel coils, which are often received in a coiled form, need to be straightened before further processing. Coil straightener efficiently straighten these coils, preparing them for subsequent manufacturing processes like cutting, stamping, and welding. This ensures the quality and accuracy of the steel components produced, such as beams, pipes, and sheets.
Appliance Manufacturing
Coil straightener find extensive use in the appliance manufacturing industry. Appliances like refrigerators, washing machines, and air conditioners require precise and straightened coils for their internal components. Coil straightener ensure that the coils used in these appliances meet the required specifications, enhancing the performance and durability of the final products.
Electronics Industry
The electronics industry benefits greatly from the use of coil straightener. Coiled materials like copper wires and aluminum foils are essential components in the production of electronic devices. Coil straightener ensure that these materials are straightened to the desired level of flatness and uniformity, enabling efficient assembly and optimal electrical conductivity in electronic devices.
Construction Industry
In the construction industry, coil straighteners are utilized for various applications. Straightened coils are used in the production of construction materials such as rods, bars, and wires. These materials are widely used in reinforced concrete structures, foundations, and other construction projects. Coil straightener play a crucial role in ensuring the dimensional accuracy and strength of these materials, contributing to the structural integrity of buildings and infrastructure.
Other Industries
Besides the aforementioned industries, coil straighteners have applications in a range of other sectors as well. These include the manufacturing of furniture, agricultural equipment, and electrical components. The versatility and precision of coil straightener make them indispensable in industries that rely on straightened coils for their production processes.
Technical parameter
|
Model |
TLA-200~600 |
TL-200~600 |
|
Material width mm |
200~600 |
200~600 |
|
material thickness mm |
0.3-2.2 |
0.5-3.5 |
|
Max. Speed m/min |
15 |
15 |
|
Roll Diameter mm |
Φ42×7 |
Φ56×7 |
|
Feeding roller mm |
Φ56×4 |
Φ66.5×4 |
Types of Coil Straightener
Roller Straightening Machines
Roller straightening machines are the most common and widely used types of coil straighteners. They consist of multiple rollers arranged in a strategic sequence to straighten the metal coils as they pass through them. The rollers are positioned at various angles and heights to exert pressure on the coil, eliminating bends and curves.
CNC Straightening Machines
CNC (Computer Numerical Control) straightening machines offer increased precision and control compared to conventional straightening methods. These machines use a computer-controlled system to adjust the position and pressure of the straightening rolls. This allows for the straightening of materials with varying shapes and sizes and the straightening of to tight tolerances.
Laser Straightening Machines
Laser straightening machines are an innovative approach to coil straightening. They use laser beams to heat specific areas of the metal coil, causing localized plastic deformation. This allows for precise straightening of the coil without applying mechanical force, reducing the risk of damage or distortion.
Roller-Type Eliminators
Roller-type eliminators are specifically designed to remove kinks or bends in metal coils rather than provide full straightening capabilities. They consist of a few rollers positioned to apply localized pressure to the coil, effectively eliminating the kinks as the coil passes through.
Coil Straightener Maintenance




Cleaning: Regularly clean the machine to remove debris and dust. Use compressed air to blow out any trapped particles. Wipe down surfaces with a lint-free cloth.
Lubrication: Lubricate moving parts, such as bearings and rollers, according to the manufacturer's schedule. Use high-quality lubricant to ensure smooth operation.
Inspection: Frequently inspect for signs of wear, damage, or misalignment. Check straightening rollers, feeding, and guiding components.
Cleaning the Filtration System: If the machine has a steel chip collector, be sure to clean its filtration system. A clean chip collector can help improve the working environment and reduce the risk of fire safety hazards.
Calibrating the Machine: Straightening machines usually have preset parameters for different types of metals and lengths. Make sure to change the parameters only when necessary to avoid machine malfunction or metal wastage.
Mechanical Fixing: Check the machine for loose parts. Fix the loose parts to ensure operational safety and avoid injuries.
Safety Checks: Conduct routine maintenance quickly to avoid accidents. Adhere to the machine manual for repair and maintenance guidelines. Follow all safety instructions.
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