Zhejiang Lejiang Machine Co., Ltd.

Zhejiang Lejiang Machine Co., Ltd.

Principle of the Corner Rounding Machine

2025 10/14

The corner rounding machine is a device used to process the edges and corners of various materials into smooth arcs. Its core principle lies in the precise coordination between the upper and lower molds. Through mechanical, pneumatic, or electric drive systems, the round-corner cutting blade moves vertically to perform fast and smooth corner trimming.

Inside the machine, guiding mechanisms such as guide posts or slide rails ensure stable and accurate blade movement without deviation. At the same time, limit blocks or positioning rulers are used to accurately align the material, guaranteeing consistent cutting positions each time.

Some models are equipped with automatic pressing devices and programmable control systems that enable continuous operations such as automatic feeding, positioning, and cutting — making them suitable for mass production.

The cutting tools are typically made of high-hardness alloy steel, offering excellent wear resistance and cutting precision. Different corner radii can be quickly switched by replacing the molds.

Featuring a compact structure and strong rigidity, the machine is widely used for edge trimming of materials such as PVC, paper, cards, acrylic, nameplates, and labels. It offers easy operation, high efficiency, and aesthetically pleasing rounded corners, making it especially suitable for applications requiring high precision and superior appearance in corner cutting.