In the manufacturing industry, the use of rolling mills is a crucial part of the production process. Rolling mills are used to produce various products such as sheet metal, strips, bars, and other metal products. One of the important components of the rolling & structure mills is the crop shear. In this article, we will discuss why to use crop shears in rolling mills and their importance in the manufacturing process.
What is a Crop Shear in Rolling Mills?
A crop shear is a device equipped with rolling mills to remove the ends of the metal strip or sheet to ensure that the product has a straight edge. Crop shears can be either mechanical or hydraulic, and they are installed before the first stand of the rolling mill. The crop shear is designed to ensure that the metal strip or sheet is free of defects before entering the rolling mill.
Here are the key advantages of Crop Shear in Rolling mills: Improved Quality of Rolled Products
Crop shears are essential for improving the quality of rolled products. Using crop shears helps remove cracks, pitting, and other surface imperfections. By using crop shears, the production of high-quality rolled products with a straight edge is ensured. In addition, crop shears can be used to control the thickness and width of the rolled products.
Increased Productivity
These shears increase the productivity of the rolling as well as the structure mill by reducing the amount of scrap metal produced during the manufacturing process. Scrap metal is costly, and reducing scrap metal production can lead to significant cost savings. Crop shears are also designed to work quickly, minimizing downtime and increasing the rolling mill's speed.
Reduced Maintenance Costs
Crop shears are designed to be durable and require minimal maintenance. They are manufactured using highquality materials such as stainless steel and are designed to withstand the harsh environment of the rolling mill. Therefore, the use of crop shears also helps to alleviate maintenance costs by reducing wear and tear on the rolling mill.
Types of Crop Shears Used in Rolling Mills
There are two main types of crop shears used in rolling mills: fixed crop shears and rotary crop shears.
1.
Fixed Crop Shears
Fixed crop shears are stationary devices that are used to crop the leading and trailing edges of the metal strip. These crop shears are ideal for use in mills that require high precision cutting and are designed to produce straight and accurate cuts. Fixed crop shears are commonly used in cold rolling mills.
2.Rotary Crop Shears
Rotary crop shears are devices that use a rotating blade. These crop shears are ideal for use in mills that require high-speed cutting and are designed to produce curved or angled cuts. Rotary crop shears are commonly used in hot rolling mills.