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Laser welding of stainless pressure tubes

July 12, 2001

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Not all laser welded tubes are created equal. Know what to look for in the final product to ensure that you're buying quality and not just an imposter.

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How to Kill a Robotic Project in Five Easy Steps

July 12, 2001

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How would you like to fail utterly in your quest to modernize your shop with robotic weldingequipment? Look no further—we've got all the bad advice you need right here.

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Automated welding for job shops

July 12, 2001

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A robotic weldingsystem represents a significant capital investment for a job shop.

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Experimenting with flexible blank holder force control: Prototype shows promise for difficult-to-form materials

July 12, 2001

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The quality of deep drawn sheet metal products is determined largely by the rate at which a sheet is drawn into a die. Varying blank holder force (BHF) as a function of time or the press stroke is of great importance.

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Aluminum alloy table

Plasma cutting stainless steel and aluminum

July 12, 2001

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This study conducted at Hypertherm characterizes thermal and chemical changes in plasma-cut stainless steel and aluminum alloys and recommends process alternatives that may improve aesthetics and cut quality to improve forming and fabricating of the materials. The systems used were water-injection PAC, conventional dual-gas PAC, and high-precision PAC. It was learned that the heat-affected zone (HAZ) is small in plasma-cut pieces, HAZ varies with speed and power, faster cutting produces less HAZ, and more heat per square inch can produce less HAZ.

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Thermal spray protection gear

Thermal spray safety and OSHA compliance

July 12, 2001

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OSHA has regulations for both facets of thermal spray environment, and shops should be aware of some practical safety tips for how to comply with those regulations.

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Abrasive jet diagram

Not your father's abrasive jet

July 12, 2001

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The advances made in abrasive jet cutting in recent years have negated much of the downside formerly associated with the technology.

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The Brakes- Press Brakes and You -- How to get the most out of your press brake

June 18, 2001

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Problems with your press brake imperil what could be the most valuable machine you have. Take pains to ensure the health of this valuable piece of equipment.

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Resisting cracking, deformation, and premature wear: Powder metallurgical steels provide an alternative to conventional tool steels

June 15, 2001

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Want to know how powder metallurgical tool steels are produced and how their properties provide the material's toughness and wear resistance? Read on.

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Gas-shielded flux-cored arc welding

Gas-shielded cored wires find their niche

June 15, 2001

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Gas-shielded flux-cored and metal-cored wires are growing in popularity because the wires are fabricated and can be applied to many applications.

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Hydroforming system

Successful tube hydroforming: Watching parameters, accurately simulating the process yield good results

June 15, 2001

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A typical tube hydroforming system is shown in Figure 1. Within this system, a host of factors must be taken into account, from starting tube geometry and material properties to the quality of the final part (such as thickness distribution and dimensional accuracy).

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Orca sculpture

Whale watching: A doctor's love of whales leads to a complex welding project

June 15, 2001

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Metal artist James Berry constructed a large whale display by making healthy use of Gas Metal Arc Welding. Here's how he did it, and why.

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Rising expectations spark new approach to draw die development: Reconciling demands for increased quality at lower costs

June 13, 2001

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A recently formulated approach to draw die development incorporates simultaneous engineering to identify and address potential problems before dies are built.

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Material Handling on Squaring Shears

June 13, 2001

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Proper material handling equipment in front of and in back of utmost importance to your operation. Its impact on operator comfort and safety should not be minimized.

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Transfer die design considerations

June 13, 2001

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A list of basic requirements must be met to begin the design process for a transfer die. You'll probably want to know why transfer dies are used, methods for loading material, the sequence of operations in a transfer press, and the details of manufacturing process before you start.

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