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Draw bead diagram

Controlling flow and obtaining stretch in deep draw operations

February 19, 2001

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Addressing the difficulties in obtaining a wrinkle-free stamped part requires a good understanding of metal flow and how it is affected by draw beads

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Vee length

Maintaining and troubleshooting HF welders: A common-sense approach for vacuum tube and solid-state machines

February 19, 2001

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The basic steps of general preventive maintenance and troubleshooting for both vacuum tube and solid-state high frequency (HF) welders should assist in keeping welders online and producing pipe or tube.

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Tips on Lean Manufacturing: How to purge weight from your manufacturing operation

February 19, 2001

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All manufacturing operations need to reinvent themselves to compete in today's marketplace. What can you do to change? Try going lean.

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Automating press brakes: Simulation software can boost productivity

February 15, 2001

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When the right technology is available, manufacturing small lot sizes can be a shrewd business strategy. Three developments are bringing automation to press brakes and, as a result, are helping fabricators meet customers' demands for smaller lot sizes.

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Managing innovation in the factory

February 15, 2001

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In many industries, more than three fourths of new products start out as direct requests from customers. How can you find and capitalize on the opportunities hidden in offbeat requests?

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Feeling the effects of a welder shortage

February 12, 2001

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This article discusses the effect of the economy, education, varying personnel needs

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How to draw round cups deeper

January 15, 2001

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Draw depth is limited by the onset of wrinkling and fracture. Controlling blank holder force plays a major role in achieving the amount of draw you want from blank material.

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Turning the corner on making doors: North Carolina company streamlines the process

January 10, 2001

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A small fabricator North Carolina, family-owned company manufactures standard and custom electrical enclosures for the commercial construction industry and a growing number of OEMs.

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LDH tests

Advanced variable-polarity plasma arc welding

November 29, 2000

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This article examines variable-plasma arc welding and its uses in the welding of tailor-welded blanks.

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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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Forming simulation software

Forming simulation in the vehicle development process

February 1, 1998

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The vehicle development process has been influenced by increasing requirements for quicker and less costly development cycles, combined with reduced vehicle fuel consumption. These requirements are being addressed by new product and process development concepts and the increasing use of high-strength steel and aluminum.

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