Content tagged with "blanking"
Results: 17
Article
December 15, 2009
Sheet Metal Stamping 101
The author of the "Die Science" column in STAMPING Journal®, Art also has written several other series that appear at www.thefabricator.com, including:
Solving Punch Breakage Problems Die Basics 101 Cutting Tooling Costs
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Article
November 2, 2009
Say goodbye to hard tooling
Figure 1
Laser blanking uses a flexible stacker, capable of handling multiple parts at a time.
When you think of high-volume blanking, a coil processing line, a mechanical press, and blank-stacking equipment probably come to mind. A typical mechanical press may cost $1.5 million to... Read more...
Article
October 27, 2009
Sheet Metal Stamping 101, Part IV
Figure 1
Editor's Note: This series presents an overview of metal stamping. Part I of this series focused on the various careers in the metal stamping industry. Part II discussed stamping materials and equipment; Part III focused on dies and cutting and Part IV offers more detail... Read more...
Article
October 14, 2008
Article
April 15, 2008
Lubrication and galling in stamping of galvanized AHSS
Figure 1 Click to view image larger This B-pillar simulation model shows the geometries of the tool and the initial sheet blank. Editor's Note: This article is Part III of a three-part series discussing a study of lubrication and galling in forming of zinc-coated advanced high-strength... Read more...
Article
December 11, 2007
Dissecting defects - Part III
Real-time Process Control Figure 1 A commercially available optical measuring system can be used to obtain data on the deformation of a stamped component. Variations in incoming sheet material quality, tool temperatures, press and tool deflection, and lubricant performance result in... Read more...
Article
December 11, 2007
Dissecting defects
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; and Part III is an introduction to process monitoring systems. Read more...
Article
November 6, 2007
Dissecting defects - Part II
Two major types of variation in incoming sheet coil are material properties and coil thickness. Various tests, both destructive and nondestructive, are used to determine these variations. Tensile Testing
Figure 1 At top is a cross-sectional schematic of a biaxial bulge test set... Read more...
Article
October 9, 2007
Dissecting defects - Part I
Figure 1 Many quality defects can occur in stamping.
Types of Quality Defects Two main types of defects typically occur in stamped automotive body components (see Figure 1 ):
Surface defects, such as cracks and necking
Form defects, such as fall-in, wrinkling, and marking... Read more...
Article
September 11, 2007
Blanking developments
Figure 1 Editor's Note: This is Part III of a three-part series on blanking developments. Part I, which appeared in the July issue, focused on fineblanking and tool design. Part II, which ran in the August issue, covered fineblanking part and process design guidelines. This column was... Read more...
Article
September 11, 2007
Blanking developments - Part III
Editor's Note: This is Part III of a three-part series on blanking developments. Part I focused on fineblanking and tool design. Part II covered fineblanking part and process design guidelines. This column was prepared by Serhat Kaya, of the Center for Precision Forming (CPF, formerly ERC... Read more...
Article
August 8, 2007
Blanking developments - Part II
Figure 1
Editor's Note: This is Part II of a three-part series on blanking developments. Part I focused on fineblanking and tool design. Part III will cover high-speed blanking and finite element analysis.
This column was prepared by Serhat Kaya, the Center for Precision... Read more...
Article
July 10, 2007
Blanking developments - Part I
Figure 1
The main purpose of the ejector or counter- punch and V-ring is to generate compressive stresses and hold the material against horizontal movement. 1
Editor's Note: This is Part I of a three-part series on blanking developments. Part II focuses on part and process... Read more...
Article
March 13, 2007
Automotive blanker presses on
The two consoles that control the two blanking lines at Kasle Metal Processing have three monitors with access to the enterprise resources planning system, die performance, and maintenance information. Increasingly supervisors are using the maintenance computer module to go online and access... Read more...
Article
April 11, 2006
Getting a handle on coil handling
The initial objective in selecting coil handling equipment is to determine the type of system best-suited to the application. Requirements—such as production rates (feed length versus strokes per minute), material finish and condition, available shop floor space, tooling, material... Read more...
Article
October 11, 2005
Blanking questions have you on the edge?
The condition of a blanked edge can affect the success or failure of downstream stamping operations. Blanking is the part of the stamping process in which the stock material is cut into a designated shape before it goes through subsequent forming processes. Blanking—like... Read more...
Article
April 11, 2005
Die Basics 101: Part I
Figure 1 When I conduct conferences, it isn't unusual to have one or two attendees who are new to the stamping die and pressworking world. Some are young new hires trying to learn about stamping, and others are individuals who have been transferred from a different department and... Read more...
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