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piercing dies

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Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005104
EISBN: 978-1-62708-186-3
... cutters. The article also discusses the selection of materials for blanking and piercing dies and provides examples that illustrate the various types of tooling changes for blanking high-carbon steel. blanking coatings cold shearing high-carbon steel hot shearing lubrication piercing dies...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005109
EISBN: 978-1-62708-186-3
... in piercing. It illustrates the use of compound dies, progressive dies, and transfer dies; piercing of thick and thin stock and piercing holes at an angle to the surface; special piercing techniques; and shaving of low-carbon steels. compound dies low-carbon steel piercing progressive dies shear...
Image
Published: 01 January 2006
Fig. 20 Blanked and pierced textile machine part for which carbide compound dies had 28 times the total life of those made of D2 tool steel. Dimensions given in inches More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005119
EISBN: 978-1-62708-186-3
... Abstract This article discusses the presses, auxiliary equipment, and dies used in the blanking and piercing of commonly used magnetically soft materials, namely, low-carbon electrical steels and oriented and nonoriented silicon electrical steels. It describes the effect of stock thickness...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005117
EISBN: 978-1-62708-186-3
... work station. The cutoff tool is usually lined up with the apex of the notch to ensure a clean cut. Pierce, notch, and cutoff dies ( Fig. 10 ) are used in some cases for producing rough blanks for formed parts. The major characteristics of this type of die are discussed in relation to developed...
Image
Published: 01 January 2006
Fig. 1 Typical laminations blanked and pierced from electrical sheet. (a) Laminations for rotating electrical machinery are blanked and pierced in single-station dies ( Fig. 3 ) or progressive dies ( Fig. 4 ). Slots can also be made in precut blanks, one at a time, with notching dies. (b More
Image
Published: 01 December 1998
Fig. 14 Typical laminations blanked and pierced from electrical sheet. (a) Laminations for rotating electrical machinery are blanked and pierced in single-station dies ( Fig. 15 ) or progressive dies ( Fig. 16 ). Slots can also be made in precut blanks, one at a time, with notching dies. (b More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005108
EISBN: 978-1-62708-186-3
... a tolerance of ┬▒0.13 mm (┬▒0.005 in.). Closer tolerances on blanks can be obtained at increased cost by using rotary-head millers or jig boring machines in constructing the dies. Because holes and slots made by steel-rule blanking are pierced with conventional punch and die elements that are added...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005160
EISBN: 978-1-62708-186-3
... Abstract This article discusses different factors for selecting progressive dies: costs, production volume, and press availability. It describes the purposes of strip development for a ring shaped part and presents the principles for the development of progressive dies. The article provides...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
...-fired batch furnace, then upset and pierced in four passes ( Fig. 10 ) in a 100 mm (4 in.) machine. Production rate was 90 forgings per hour. The solid dies were made of H11 tool steel and were heat treated to 37 HRC. Approximately 8000 pieces were produced before the dies required resinking. Fig...
Image
Published: 01 January 2006
Fig. 23 Cup that was blanked, drawn, pierced, and trimmed in a compound die. This part was previously made in two compound dies: blank and draw, and trim and pierce. Dimensions given in inches More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005145
EISBN: 978-1-62708-186-3
... and the lubricants used in the forming processes of nickel and cobalt alloys are also discussed. The article summarizes the modification of tools and dies used for cold forming other metals, as the physical and mechanical properties of nickel and cobalt alloys frequently necessitate it. It discusses forming...
Image
Published: 01 January 2006
Fig. 17 Typical parts of varying severity that are commonly produced by blanking and piercing. Parts 1 and 2 are relatively simple parts that require dies similar to those illustrated in Fig. 16 . Parts 3 and 4 are more complex, requiring notching and the use of compound or progressive dies More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... dies, the relief may start at the top of the die surface and have a taper of only 0.002 mm/mm (0.002 in./in.) per side. Some dies have a straight, vertical wear land between the top of the die and the relief. Fig. 9 Relief in a blanking die Piercing of Low-Carbon Steel PIERCING...
Image
Published: 01 January 2005
Fig. 26 Schematic showing blank preparation using open dies and a two-station press. (a) Billet centered on press table. (b) Billet upset. (c) Upset blank is indented. (d) Blank is pierced and ready for removal. More
Image
Published: 01 January 2006
Fig. 3 Sequence of operations for producing stator and rotor laminations using single-station dies. Operation 1, stock blanked and pierced; operation 2, stator lamination notched; operation 3, rotor lamination separated from stator lamination; operation 4, rotor lamination notched. Compare More
Image
Published: 01 December 1998
Fig. 15 Sequence of operations for producing stator and rotor laminations using single-station dies. Operation 1, stock blanked and pierced; operation 2, stator lamination notched; operation 3, rotor lamination separated from stator lamination; operation 4, rotor lamination notched. Compare More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005162
EISBN: 978-1-62708-186-3
... die, which made a finished part at each press stroke, replaced three dies in which 12 press strokes were required for producing one piece. The separate dies were a standard piercing and notching die, an embossing die, and a conventional V-die. Setup time for each die was 30 min. Fig. 5 Strut...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003132
EISBN: 978-1-62708-199-3
... Abstract This article discusses the applications and tensile properties of selected copper tube alloys, as well as the methods for producing copper tubular products, namely extrusion and rotary piercing. It explains the methods available for the finishing of copper tubular products...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005118
EISBN: 978-1-62708-186-3
... Abstract Trimming is the removal of excess metal from a stamped part to allow the part to reach the finished stage or to prepare it for subsequent operations. This article presents an analysis of parts to be trimmed and describes the selection criteria for the different types of trimming dies...