Coil slitting is a versatile process that converts wide coils into narrower shapes, allowing manufacturers to obtain material in the size required for a specific application.
Coil cutting involves the use of specialized equipment, called cutters, designed to cut coils of metal into narrower sheets.
Coil processing is important for industries such as automotive, construction, and home appliances. Factories can precisely cut, flatten, and straighten coils. This saves costs, reduces material waste, and allows for faster production.
Advanced coil cutting systems deliver three core benefits over traditional sheet processing: The processed coils are more usable. The production process is smoother and the product quality is more stable. These advantages make coil processing a good choice and more cost-effective than sheet processing.
The production line is mainly composed of a loading trolley, an unwinder, a traction leveling machine, a shearing machine, a longitudinal shearing machine, a waste edge winding machine, a tension machine, a winding machine, a discharge device, etc.
Inlet storage table → inlet trolley – unwinder – inlet guide roller and opening device – straightening machine – welding machine (reserved space) → angle cutting machine (reserved space) one side guide device – slitting machine – edge crushing machine – waste conveying device – outlet looper device – tension table device – outlet cross shear and guide device – coiler (with push plate device) → outlet front end roller – cross arm storage device.
All motors employ frequency conversion control to ensure synchronized operation. The coil slitting sequence maintains constant tension through closed-loop monitoring systems certified to ISO 9001 standards.
Improved production efficiency
Automated coil slitting equipment can quickly process steel coil materials. The machine has a fast cutting speed and small errors, and the overall output of the factory can be increased by more than 30%.
More economical material utilization
Precision-cutting technology can reduce scraps. The utilization rate of each coil of steel is increased by up to 15%, which directly reduces production costs.
Stable product quality
Steel coil cutting machine ensures that the size of each piece of material is accurate. The thickness error is controlled within 0.1mm to avoid deformation caused by manual operation.
Operational safety guarantee
Workers do not need to manually operate the coil slitting equipment. The rate of work-related accidents is reduced by 90%, which is particularly suitable for workshops that handle heavy steel.
Space occupancy optimization
Automated equipment occupies 40% less space than traditional machines. It can also be installed in small factories.
To ensure the stable quality of coil cutting, you must understand these key equipment components:
Slitting Blades
The blades need to be specially treated and the surface must be very flat. Only such tools can cut neat cuts. The material, sharpness, and installation position of the blade will affect the quality of the cut. The material cut by a good blade has a smooth edge and the width error does not exceed 0.1 mm.
Arbors
The spindle is responsible for driving the tool to rotate. It must be perfectly aligned during installation, and the slightest deviation will cause problems. Spindle shaking will cause coil slitting deviation and even damage the edge of the material.
Spacers
The spacers are used to control the spacing between the tools. It is like installing a positioning caliper on the blade to ensure that the width of each piece of material is consistent. Different thicknesses of spacers correspond to different specifications of products, and the thinnest can be used to 0.01 mm.
Recoilers
The cut steel strip is reeled through the recoilers. A good coiler can automatically adjust the tightness to ensure that the steel strip is rolled neatly. Too tight will crush the edge, and too loose will cause the steel strip to be scattered.
Tensioning Systems
This system functions as a “tension controller” to maintain the strip’s flatness throughout the process. Insufficient tension will produce wavy edges, while excessive tension will cause the material to stretch.
Modern equipment can automatically adjust the tension, and the system is ISO-certified for safety and meets steel plate processing standards.
Flexible adaptation
The thickness is available from 3 to 20 mm to meet the needs of different production lines. You can customize the length and width according to the size of the machine. After installation, the cutting accuracy can be improved and the material waste can be reduced by about 15%.
Durable material
The 100% polyester fiber with a circular weaving process is 3 times more wear-resistant than ordinary felt. After testing for 2000 hours of continuous use, the thickness only decreased by 0.5 mm.
High-temperature protection
The built-in heat-resistant layer can withstand a high temperature of 150°C and will not deform during metal processing. A steel plant’s actual measurement shows that during the continuous 8-hour cutting operation, the temperature is always stable in a safe range.
Clean production
The special surface treatment fiber does not fall off to avoid contamination of steel. After testing and certification, the equipment maintenance cost is reduced by 42% after using this steel coil cutting pad.
This product is manufactured according to industrial standards and has been used in more than 30 steel plants in China. Data shows that the equipment failure rate is reduced by 40% after installation, and the processing cost of each ton of steel is saved by 8-12 yuan. For companies that need to improve cold rolling efficiency, this is a proven and effective solution.
If you are also looking for ways to improve the quality of steel processing, then get to know the steel tension pad!
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