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pinch-roll type

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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
..., namely, the pinch-roll type and the pyramid-roll type. It also lists the advantages of the pinch-roll machine, as compared to the pyramid-roll machine. The article analyzes the hot forming and cold forming processes for carbon or low alloy steel. It explains the procedure for forming truncated cones...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005849
EISBN: 978-1-62708-167-2
... to the induction heating system, every induction heating system has a mechanism for feeding the billets through the induction heating coils. Induction billet heaters are classified based on the type of materials handling system they use. The main categories of billet feeding systems are: Dual pinch roll...
Image
Published: 01 January 2006
Fig. 10 Out-of-roundness variations in 44 cylinders of the same diameter produced in a pinch-type roll machine. Dimensions given in inches More
Image
Published: 01 January 2006
Fig. 2 End view 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. More
Image
Published: 01 December 1998
Fig. 38 End view of a cylindrical workpiece being rolled in a conventional pinch-type machine. Note large flat area on leading end, and smaller flat area on trailing end. More
Image
Published: 01 January 2006
Fig. 7 Interrelationship of cylinder height ( h ), thickness ( t ), and work metal strength for forming in a single pass in a pinch-type roll machine at room temperature. TS, tensile strength; YS, yield strength 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
... on the selection of material for dies and related components, as well as the selection of die type and design. The article illustrates the construction and use of short-run dies and conventional dies. It concludes with information on the shaving and deburring methods for blanking. accuracy blanked edges...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003015
EISBN: 978-1-62708-200-6
... in the bubble cannot escape because it is sealed by the die at one end and by the nip (or pinch) rolls at the other. Thus, it acts like a permanent shaping mandrel once it has been injected. An even pressure of air is maintained to ensure uniform thickness of the film bubble. Fig. 14 Typical blown-film...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005112
EISBN: 978-1-62708-186-3
... Abstract This article describes the various types of press construction and the factors that influence the selection of mechanically or hydraulically powered machines for producing parts from sheet metal. Presses are broadly classified, according to the type of frame used in their construction...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003132
EISBN: 978-1-62708-199-3
... selected copper alloys that are standard tube alloys, and gives ASTM specifications and typical uses for each of the alloys. Copper tube alloys and typical applications Table 1 Copper tube alloys and typical applications UNS No. Alloy type ASTM specifications Type uses C10200 Oxygen...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004010
EISBN: 978-1-62708-185-6
... deformation ( Ref 1 ). Fig. 3 Schematic diagram of a mill for radial roll forming of turbine disk type components. The diagram shows the main drive shaft, the axial-radial working rolls, the outer radial working rolls, and the workpiece The roll forming mill shown in Fig. 3 possesses several...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005103
EISBN: 978-1-62708-186-3
... leveler with a mechanism for applying tension on the strip by bridle or pinch rolls. Simplified roller levelers without independent adjustments on each flight but with a tension mechanism are also called tension levelers by some manufacturers. During the tension leveling process, external tension...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003987
EISBN: 978-1-62708-185-6
.... Dimensions given in inches A special high-speed eccentric-shaft mechanical press with a 4.8 mm ( 3 16 in.) stroke was used. Tooling consisted of a D2 steel progressive die (59 to 61 HRC) that had edge notching and coining stations. A ratchet-type roll feed was used. The coining portion...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005177
EISBN: 978-1-62708-186-3
..., they can be formed on the tube edges prior to the rolling operation. Fig. 12 Tube- and pipe-forming dies. (a) Two-operation die for the forming of small tubes. (b) Bumping die used to form large tubes Rocker-Type Dies Dies that operate with spring-actuated rocker punches can produce bends...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... or nonferrous metals. The article reviews the various types of forming processes such as blanking, piercing, fine-edge blanking, press bending, press forming, forming by multiple-slide machines, deep drawing, stretch forming, spinning, rubber-pad forming, three-roll forming, contour roll forming, drop hammer...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001354
EISBN: 978-1-62708-173-3
... on aluminum, where difficulty can be encountered in trying to push the wire through a conduit to the gun. Fig. 5 Typical remote-wire feed units. (a) Schematic of a typical four-roll system mechanism. (b) Close-up view of a typical two-roll system gearbox Fig. 6 Spool-on-gun type torch...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005572
EISBN: 978-1-62708-174-0
... to the gun. Fig. 13 Typical wire feeder and drive roll configuration The feed motor is connected through a gear reducer to a set of wire feed rolls that transfer mechanical energy to the electrode. Various types of drive rolls are available, including knurled, U-groove, V-groove, and flat...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006467
EISBN: 978-1-62708-190-0
... of two types of ingots showing typical pipe and porosity. When the ingots are rolled into bars, these flaws become elongated throughout the center of the bars. Porosity Porosity is the result of trapped gaseous bubbles in the solidifying metal causing porous structures in the interior...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005408
EISBN: 978-1-62708-196-2
... in Refs 23 to 25 . Simulation of Rolling Textures In the literature, there are numerous attempts to model the texture evolution accompanying rolling with the help of lor-type deformation models ( Ref 26 , 27 ). In such approaches, the individual crystallites are assumed to deform by slip...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003090
EISBN: 978-1-62708-199-3
..., for example, hot rolling, quenching, and so forth. This article describes the role of these factors in both theoretical and practical terms, with particular focus on the role of microstructure. It lists the mechanical properties of selected steels in various heat-treated or cold-worked conditions. In steels...