Tube-Bending-Dies

Bend Dies For Tube Bending Machine

by Genel

Tube Bending Machine Dies – The Key to Precision and Efficiency


The dies used in pipe bending machines play a key role in achieving precise and consistent bends. These components directly shape the pipe during the bending process and ensure that the desired angles and curves are achieved without compromising the structural integrity of the pipe. Properly designed and manufactured dies like tube bending dies are essential for efficient and high-quality production.

Types of Dies Used in Pipe Bending

There are several types of dies used in the bending process, each serving a specific purpose:

Bending Die: This die sets the radius of the bend and provides the shape around which the pipe will be formed.

Clamp Die: The clamp die holds the pipe tightly against the bending die to prevent slipping during the bending process.

Pressure Die: This die, placed opposite the bending die, applies pressure to the pipe, resulting in smooth, wrinkle-free bends.

Wipe Die: This die minimizes wrinkles on the outside of the bend, especially for small radius and thin wallthickness tube bending dies.

Mandrel: This die minimizes wrinkles on the inside of the bend.

Material and Design

The material of the dies is as important as their design. High-quality steel or aluminum alloys are commonly used and offer durability and wear resistance. The die surface is often polished to reduce friction and protect the surface of the pipe. A well-designed die for tube bending ensures a smooth bending process and reduces downtime due to tool changes or pipe damage.

Factors to Consider When Selecting a Die

Pipe Material: Different materials, such as stainless steel, aluminum, or copper, require specific die configurations to prevent deformation or cracking.
Bending Radius: The desired bend radius determines the design of the tube bending die. Tight bends require more precise dies to maintain the quality of the pipe.
Pipe Diameter and Thickness: Dies must conform to the exact dimensions of the pipe to ensure proper alignment and prevent defects during bending.

The Role of Quality Dies in Manufacturing

High-quality dies like those specifically made for tube bending not only improve the bending process, they also increase productivity by reducing scrap and minimizing machine wear. Well-maintained dies provide repeatable results and support high-volume production without compromising precision.

Investing in the right dies is essential to achieving consistent results and extending the life of your tube bending machine. With the right tools, such as tube bending dies, in place, you can maximize efficiency, reduce costs, and deliver products that meet the highest quality standards.

WIPER-AND-BALL-MANDREL-FOR-TUBE-BENDERS-DURAL-USA

The Significance of Wipers in Pipe Bending Machine

by About Tube Bending Tools

In the process of pipe bending very high accuracy is a necessity, especially in the sectors where long uninterrupted and precisely shaped pipes are required. Wiper dies are one of the elements that account for such precision. In this article, we define what wiper die is, how it is used and its importance in the pipe bending process.

Wiper Die: What Is It?
A wiper die is a device built in pipe bending machine. The primary role of such a device is to avoid the inner pipe from being folded, ruffled or deformed when bent. The wiper die is placed immediately after the mandrel and along the out of the pipe. This, allows the wiper die to support the pipe material as it bends preventing any wrinkling.

Operation and Principle of a Wiper Die
The bending of the pipe causes some compressive forces to act on the pipe’s inner side which may cause bending or even wrinkling of the material. That is in the way of mere edges affected by the bending process while the reinforced structures hold the pipe’s hollow in its shape and thus prohibits the occurrences of creases. In most cases, the wiper die is fitted just behind the mandrel, and it operates along with the pipe while it is curving. Because of this location, the die is capable of contacting the pipe’s surface throughout the process, which limits the amount of deformation sustained.

The geometric characteristics of a wiper die depend on the diameter and wall thickness of the pipe. Wiper dies are effective and designed to have a long service life and very little wearing out as they are usually constructed from specially designed alloys with tip hardening. The manufacture of wiper dies needs to be selected according to the bending pipes and their materials as well as bending pressures.