1-20 of 332 Search Results for

flat blanks

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Published: 01 December 1998
Fig. 25 Progression of metal flow in drawing a cup from a flat blank More
Image
Published: 01 January 2006
Fig. 2 Progression of metal flow in drawing a cup from a flat blank More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005182
EISBN: 978-1-62708-186-3
... Abstract This article describes strain analysis techniques for troubleshooting formability and process discrepancies throughout a tooling development and production stamping cycle. The techniques include strain calculations of a flat blank, forming limit curve, and forming limit diagram...
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
... Abstract Shearing is a process of cutting flat product with blades, rotary cutters, or with the aid of a blanking or punching die. This article commences with a description of some wear and material factors for tools used to shear flat product, principally sheet. Methods of wear control...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005121
EISBN: 978-1-62708-186-3
... by a process in which a flat blank is constrained by a blankholder while the central portion of the sheet is pushed into a die opening with a punch to draw the metal into the desired shape without causing wrinkles or splits in the drawn part. This generally requires the use of presses having a double action...
Image
Published: 01 January 1989
Fig. 19 Relation of die life to hardness and diameter of blank. (a) Die life versus hardness of blanks of 1022 steel threaded with flat dies of D2 tool steel. (b) Die life versus hardness of blanks of aluminum or brass threaded with cylindrical dies of A2 tool steel. (c) Die life versus More
Image
Published: 01 January 2005
Fig. 19 Relation of die life to hardness and diameter of blank. (a) Die life versus hardness of blanks of 1022 steel threaded with flat dies of D2 tool steel. (b) Die life versus hardness of blanks of aluminum or brass threaded with cylindrical dies of A2 tool steel. (c) Die life versus 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
... magnets but have properties that make them useful in electrical applications. Most of the parts produced from electrical steels must be laminated. A lamination consists of flat blanked sheets of a particular shape that are stacked to a given height and fastened together by riveting, bolting, or welding...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... clearance used in blanking Position of the burr with respect to punch Punch shape: conical versus hemispherical versus flat Method used to finish the hole (blanking, reaming, etc.) Stretch flangeability is characterized in the laboratory with the hole expansion test. ISO 16630...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005125
EISBN: 978-1-62708-186-3
... of a cylindrical workpiece being rolled in a conventional pinch-type machine. Note the large flat area on the leading end and the smaller flat area on the trailing end. The position of the top roll is fixed, while the lower front roll is adjustable vertically to suit the thickness of the blank. Optimal...
Book Chapter

By B.P. Bewlay, D.U. Furrer
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005123
EISBN: 978-1-62708-186-3
... the component both before and during metal spinning; other terms that are sometimes used include workpiece and starting blank. In manual spinning, a circular blank of a flat sheet, or preform, is pressed against a rotating mandrel using a rigid tool ( Ref 1 , 2 ). The tool is moved either manually...
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
... indexed into operating position. A flat blank is pierced and notched in a turret punch press by positioning it under the operating punch and tripping the punching mechanism. The blank is secured to a free-floating table on which a template containing the hole pattern is also attached. Each hole size...
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
... blanking conventional dies cutting deburring die clearance low-carbon steel presses shaving short-run dies welded blanks work metal thickness BLANKING is the process that uses a die and press to cut or shear a piece of metal from flat or preformed stock. The resulting blank is a piece...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
... thread-forming and self-locking screws. The preferred polygonal shape is trilobular and is produced in flat-die machines. In contrast to thread cutting and thread grinding, thread rolling does not remove metal from the work blank. Rather, thread rolling dies displace the surface metal of the blank...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002142
EISBN: 978-1-62708-188-7
... or conical blank. Polygonal blanks are also thread rolled for the purpose of fabricating thread-forming and self-locking screws. The preferred polygonal shape is trilobular and is produced in flat die machines. In contrast to thread cutting and thread grinding, thread rolling does not remove metal from...
Image
Published: 01 January 2006
the part firmly against the face of the advancing blanking punch, maintaining flatness and preventing the part from moving away from the punch, which could cause die break or edge fracture. (d) The upward-moving ram advances the blanking punch until the part is fully sheared and rests in the upper die More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005141
EISBN: 978-1-62708-186-3
.... The Olsen cup test measures the maximum penetration of a 22 mm (0.875 in.) diameter hemispherical punch into a clamped flat blank (see the section “Stretching Tests” in the article “Formability Testing of Sheet Metals” in this Volume). The punch depth at failure is the Olsen cup value. The test has been...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... formulated into a grease are used successfully. Blanking of Low-Carbon Steel A BLANK is a shape cut from flat or performed stock. Ordinarily, a blank serves as a starting workpiece for a formed part; less often, it is the end product. This article will discuss the production of blanks from low-carbon...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005110
EISBN: 978-1-62708-186-3
... is that of the International Fine-Blanking Organization: “Fine-blanking is a hybrid metal forming process combining the technologies of stamping and cold extrusion. It produces a part with exceptional edge quality, superior flatness, thin wall sections, and linear spacing held to within 0.001.” Fine-blanking technology...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005161
EISBN: 978-1-62708-186-3
... The neutral axis is the line of zero stress and strain in a bend with tension on one surface and compression on the other ( Fig. 3 ). Before bending, the flat blank is of a certain length, and the length of the neutral axis is, of course, exactly equal to this original blank length. During bending...