Blanking, Drawing, and Deep Drawing Tech Cell - Articles
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Blanking, Drawing, and Deep Drawing Articles
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Deep-draw stamping operation keeps growing
Scotland Manufacturing, a North Carolina deep-drawing operation, knows how to get the most out of its manual stamping line. Optimizing the line’s productivity has allowed the firm to compete in various markets demanding quick response. The...
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Stamping lubrication: Collect, recycle, reap the benefits
A recycling strategy shouldn’t be implemented in isolation but instead be part of a broader lubrication strategy. Shop managers should first determine what lubricant their stamped parts require; how and where this lubricant needs to be applied;...
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DIEVESTIGATION: Deep-drawing and stretching variables – Part II
This article continues the discussion of deep-drawing and stretching variables begun in Part I by describing friction, thermal expansion, metal topography, and forming speeds and how they affect metal forming operations.
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Precoated stainless steel improves tactile domes forming
Situation
Tactile domes are used in communication devices as the switch element incorporated into membrane switches and control panels. Generally, they are made of 301 stainless steel preplated with 3 to 7 microns of nickel or silver....
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DIEVESTIGATION: Diemaking, from concept to reality
Just what is involved in die building? Whether you are a die builder or a stamping company that uses dies, this overview can help you understand the many steps required to take a die from concept to production.
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DIEVESTIGATION: Important considerations when designing deep-drawn parts
What is deep drawing? What part parameters require the process? What must you consider when designing a deep-drawn part, and when should you consider an alternate process, such as spinning?
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DIEVESTIGATION: Draw or stretch? That is the question
When designing a part, you must decide which is the best way to form it. Should you draw it or stretch it? That depends on several factors, including forming depth.
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Preventing oil canning problems
Oil canning cannot be cured by coining, beating, or reshaping the metal. Instead, it must be prevented by ensuring the sidewalls are not subjected to radial compression.
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DIEVESTIGATION: Designing stamped parts
In his first installment of DIEVESTIGATION, a new column about using research and data to solve stamping problems, tool and die expert Art Hedrick discusses how the metal specified during part design affects downstream operations and costs. What...
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Sheet Metal Stamping 101, Part V
How are bending, flanging, coining, embossing, stretching, curling, hemming, ironing, necking, and drawing related? They all are common metal forming operations. Find out more about these processes in this final installment of stamping expert Art...
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Synthetics take on tough jobs
Synthetic lubricants now can take on a greater variety of stamping applications.
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Mild steel to HSS: Not just a spec change - Part II
Stamping high-strength steel, rather than mild steel, requires a different press system design approach. Standard presses are not designed to withstand the forces associated with HSS. A link drive can reduce the impact when the upper die touches...
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Sheet Metal Stamping 101, Part IV
Continuing his series about sheet metal stamping, tool-and-die expert Art Hedrick explains common cutting operations used in stamping: trimming, piercing, blanking, notching, shearing, lancing, and pinch trimming. Find out how they work and which...
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Mild steel to HSS: Not just a spec change - Part I
Stamping high-strength steel, rather than mild steel, requires a different press system design approach. Standard presses are not designed to withstand the forces associated with HSS. A link drive can reduce the impact when the upper die touches...
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Sheet Metal Stamping 101, Part III
Continuing his series about sheet metal stamping, tool-and-die expert Art Hedrick focuses on die basics, including die materials and rudimentary maintenance. He also explains the cutting process and what happens to metal when you cut it with a...
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Hydraulic presses perform compression molding
Many companies in the aerospace, automotive, sporting goods, and wind energy industry segments are using composites and thermoplastics to augment and support metal stampings.
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Sheet Metal Stamping 101, Part I
Metalworking professionals who possess diverse proficient skills have an edge in a tight job market. In this first installment in a series, tool-and-die expert Art Hedrick presents an overview of the metal stamping industry and describes the...
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The ins and outs of magnetic die clamping
For the right application, magnetic die clamping can add significant flexibility to a stamping operation, eliminate physical clamps, and simplify maintenance.
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Converting your fluid systems to green
Metal forming, stamping, and washing fluids traditionally have been thought of as "necessary nuisances" to be used once and thrown away. That mindset is changing.Incorporating "green" or environmentally friendly fluids and fluid management systems...
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Green lubes under a microscope
Stamping parts with vegetable oil is becoming more a reality every day. For a metal working lubricant—whether it be soluble, semi-synthetic, or synthetic—to be USDA-classified as biobased, it must contain, at minimum, 40 percent to 57...
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Reading progressive die strip — Part II
Looking at the results of a process—in this case, the strip produced in the die—certainly can lead to good data indicating the root cause of a problem. Distorted, elongated pilot holes, mismatched cuts are common defects. Distorted pilot holes...
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Reading progressive die strips — Part II
Looking at the results of a process—in this case, the strip produced in the die—certainly can lead to good data indicating the root cause of a problem. This Part II of a two-part series discusses hard marks, poor die design, and...
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Reading progressive die strips — Part I
Looking at the results of a process—in this case, the strip produced in the die—certainly can lead to good data indicating the root cause of a problem. Distorted, elongated pilot holes, mismatched cuts are common defects. Distorted...
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Dissecting defects - Part III
Editor's Note: This article is part of a three-part series. Part I categorizes defect types and discusses the factors that affect formed part quality; Part II covers various destructive and nondestructive tests for evaluating incoming...
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Dissecting defects - Part I
Editor's Note: This article is part of a three-part series. Part I categorizes defect types and discusses the factors that affect formed part quality; Part II covers various destructive and nondestructive tests for evaluating incoming material;...
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