Columns
What Is Directed Energy Deposition?
Analyzing directed energy deposition and powder-bed fusion provides a thorough understanding of the extra machining necessary for a “near net shape” versus a “net shape” manufacturing process.
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Setting a Roughness Goal and Meeting It
Subjective surface finishes have no place in today’s high-precision manufacturing environment.
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The Sign on the Wall When I First Met Mark Albert: “When In Doubt, Tell the Truth”
Not just writing, but writing with integrity, is the work and the craft to which Mark Albert gave his career.
Read MoreImproving Program Compatibility Among Your CNCs
Put in the effort to eliminate machine-specific programming methods.
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Dial vs. Test Indicators
Dial and test indicators are close cousins. They are both mechanical magnifying devices used for dimensional comparison.
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How We Misread Productivity Gains in the Debate About Manufacturing Jobs
Manufacturing appears to lead other sectors in productivity growth, but productivity measures pick up factors besides automation. Recognizing this fact changes the terms of part of the public debate.
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Additive Manufacturing for Large Parts
Powder-bed fusion is driving the hype for additive manufacturing right now, but it may not be the best answer. Directed energy deposition is a strong contender.
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Understanding CNC Machine Accuracy and Repeatability
Properly evaluating machine tool capability requires understanding how the both user and the builder can influence precision.
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What Do Manufacturers Really Know About the Surfaces of the Parts They Are Producing?
Knowing only the average roughness may not be enough. Other surface parameters can affect product quality.
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Just This Once, You Can Blame the Gage
Even the old, reliable gage is subject to wear. George Schuetz, director of precision gages at Mahr inc., gives guidance for machinists to maintain their gages.
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Can My Machine Tool Access My Support Structures?
Analyzing the machinability of support structures opens a new way of thinking about optimal build orientation.
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