Tube and Pipe Fabrication Articles

The tube and pipe fabrication technology area covers sawing (band, circular, and friction) and other cutting processes, such as abrasive, flame, laser, oxyfuel, plasma, and waterjet. It also discusses forming processes, including bending and end forming. Finally, it includes a handful of miscellaneous processes, such as trimming, beveling, finning, grooving, threading, and spinning.

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Selecting the right temporary coating: Choices abound for tube and pipe applications

April 24, 2001

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Tube and pipe manufacturers should consider carefully environmental laws, cost, quality, and the cost of a coating line before deciding on a temporary coating for their products.

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Automating your end forming operation: How to maximize efficiency in the shop

February 19, 2001

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Efficiency, productivity, and quality are focal points for end forming operations, and many manufacturers are looking to automation to improve those dimensions of their businesses.

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Orbital welding for space program applications: Producing welds that withstand the rigors of deep space

February 19, 2001

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Welding applications in the aerospace industries demand high precision, a quality that can be entirely as low as possible. Automatic orbital welding is being used to help meet these requirements.

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Making the cut - Understanding rotary cutoff blades and extending blade life

May 1, 1999

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The rotary cutting process rotates a tube or pipe and cuts it with a rotating blade. The blades are beveled to various angles and produce a chamfered end on the workpiece. Selecting the right bevel angle is the key in getting an optimal combination of end finish and production rate. Proper alignment and clearance, the use of a lubricant, frequent inspections, and proper sharpening are the keys to long blade life.

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The basics of rotary cutting

April 7, 1999

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The rotary cutting process rotates a tube or pipe and cuts it with a rotating blade. Because it is a chipless cutting method, it does not waste any material and reduces or eliminates subsequent deburring and cleaning operations. Although it can be used on any metal, it is not suitable for every application. The cutting action produces a slight chamfer on the end of the workpiece, so it is not useful for applications that require a square end. Machine types include manual and pneumatic. Accessories include cutter block assemblies that support the workpiece during the cut; length gauges for repeatable cut lengths; and feed systems that store and feed the material into the cutting machine.

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