3D Pipe Bend

3D Pipe Bend

A 3D bend is a bend in which the radius of the curve is equal to 3 times the diameter of the pipe. It is a smoother bend than a 1.5D bend, which looks almost like a regular 90-degree right angle, but it is a sharper bend than a 5D bend, which looks like a smooth arc between two perpendicular pieces.

1. Automotive Exhaust Systems
Both manufacturer-supplied and custom exhaust systems for cars and trucks often feature a wide assortment of bends to maneuver around various obstacles on the underside of the car, such as the engine, transmission, cross-members and the fame. Most vehicle exhausts feature custom compound beds, and the fabricators generally prefer smoother curves, like 3D bends or even 5D bends, because they reduce the turbulence and back-pressure inside the exhaust system, and that can help increase an engine’s performance.

2. Automotive Roll Cages
Off-roading can be a very competitive sport, or, more simply, an expensive hobby. One of the many dangers when rock-crawling, mudding or generally pushing a vehicle beyond its limits, is the possibility of rolling the vehicle over. To prevent injury and damage to the vehicle, a quality roll cage is an absolute necessity. Many roll cages are custom formed from metal pipe, often chromoly steel, using an assortment of bends, including the common 3D bend. Each piece is bent, cut and welded together to make a complete roll cage that is both durable and aesthetically pleasing.

3. Structural Frames
3D bends are very common in structural frames of all kinds. These can range from the frames of custom automobiles, to the frames of buildings, or even airplanes or spacecraft. Often, to build a structural frame, pipe is bent, cut and welded together to make a strong skeleton, and then sheet metal is attached via screws or welds to create a completed assembly, which is both extremely strong and resistant to the elements. When built using aluminum, titanium or certain alloys, it can also be lightweight and corrosion-resistant.

4. Furniture
Many types of furniture incorporate tubular steel and 3D bends for either structural or aesthetic purposes. Tables frequently use tubular steel legs, with bends where they meet the tabletop to provide support. Metal chairs, couches and futons with tubular frames often use similar bends to provide a nice gentle curve that is both pleasing to the eye and structurally rigid. Shelving units can also incorporate custom bends, either for decoration or for structural integrity.

5. Fencing
The 3D bend is also quite common in fencing, for both decorative and structural uses. It is seen extensively in galvanized chain-link fencing, especially to add a gentle curve to gates and other decorative items, or in custom-designed fencing. Pipe is also used regularly in fencing for cattle, horses and other livestock, as well as for domestic pets, and often decorative touches are added that require custom bends.

6. Plumbing
In the plumbing industry, 3D bends are quite common. They are incorporated anywhere that standard elbows cannot be relied upon to bypass obstacles or to change the angle of the pipe. In pipes that contain high-viscosity liquids or fluids that require reduced turbulence, the smoother 3D bend is often preferable to sharper bends. Custom bends are used in plumbing of all kinds, from the pipes in your home, to the pipes in chemical plants, food processors or refineries.

7. Wiring Conduit
Wiring conduit is designed to protect electrical cables from the weather, accidental damage and other dangers. When wiring conduit is required on an electrical job, often it must be bent to go around corners or other obstacles. Typically, smoother curves like 3D or 5D bends are used instead of sharp curves, because it makes it much easier to fish the wire through the conduit after it is installed. Electricians usually carry their own tools to bend small-diameter conduit, though for larger-diameter versions, they may require custom bending services.

8. Pipelines
Gas and oil pipelines, like any plumbing system, often use 3D bends in many places along their lengths. Unlike typical household pipes, however, these are typically much larger, and require some serious machinery to do custom bends. Gentle bends help the high-viscosity oil flow through the pipes easier, and they help natural gas flow smoother, reducing pipe fatigue and the chance of leaks.

9. Hand Rails
An often-overlooked area where 3D bends are used is in the hand rails for stairways or walkways, as well as the safety rails used to provide handicap access. Custom bends are often used to follow curves, go around corners or to provide mounting points at each end of the pipe. Sometimes the bends are also used strictly for decorative purposes.

10. Art Projects
In many art projects, tubular steel is used to create a frame, upon which the artist builds the rest of the piece. Custom bends are often used to create gentle-flowing lines and other aesthetic features, which many times are covered up by other materials. The frame creates a strong base for the rest of the piece, and determines its overall shape.

The bend is used to change the direction of run of pipe.it advantage is can matach long distance transition requirements,so it is commonly that bends dimension according to customer design. usually,the bends consist of 3D, 5D, 7D and 12D series.

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