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flash-welding machines

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Published: 01 January 2015
Fig. 12.11 Maximum machine upset pressure required as a function of weld area in flash welding. The upset pressure capacity required for titanium is much less than for stainless and high-strength, low-alloy steels. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290061
EISBN: 978-1-62708-306-5
... deflecting. If deflection occurs, misalignment of workpieces may occur during welding. Flash welding is rapid and economical and, when properly executed, produces welds of uniform high quality. A typical flash welding machine comprises a horizontal press-transformer combination with conducting work-clamping...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
.... Figures 12.10 and 12.11 show the transformer and upset capacity required for welds of different cross-sectional area. Fig. 12.10 Transformer capacity as a function of weld area in flash welding titanium and other materials Fig. 12.11 Maximum machine upset pressure required...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... will influence the weld quality. Intermittent weld failures can result from variations in surface conditions that are not machine controlled. Examples include the presence of rust or of die-casting flash or mold-release compound in layers of varying thickness. Careful surface cleaning and inspection before...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370167
EISBN: 978-1-62708-447-5
... operation to dislodge any scale or flash before spraying the die lube. Sometimes the die spray unit reaches out from the side, if the die design requires any cores to be pulled from the top. Programmable robots or units suspended from a gantry crane above the machine are more common. 8.2.5.1 Performance...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370095
EISBN: 978-1-62708-447-5
... checks, and functional checks. decoring machines flash removal grinders heat treatment shot blasters tumble blasters IRON AND STEEL CASTINGS require cleaning as they come out of the shakeout units to remove any burned sand and sand that may remain stuck from the mold. Blasting...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
... the entire impression in one die half. This reduces die costs because one die is simply a flat surface. This also prevents mismatch between upper and lower dies and allows forging flash to be readily trimmed. When a die set with one flat die cannot be used, the parting line should be positioned to provide...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280203
EISBN: 978-1-62708-267-9
... for information on the role of surface condition on fatigue life of superalloys. Metallic Contaminants Parts made from heat-resistant alloys can accumulate traces of other metals on their surfaces after contacting cutting tools, forming dies, or machining and heat treating fixtures. Although metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
... of the workpiece is accessible to the transducer. Penetration of the split between the extruded flash on the outer surface of a tube is readily detected by liquid penetrant or magnetic particle inspection after the flash has been removed by machining. A split between the weld flash on the inner surface...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
... Abstract This chapter describes secondary processes employed in the production of powder-metal stainless steel parts, including various machining operations, welding, brazing, sinter bonding, resin impregnation, re-pressing and sizing, and surface finishing. It also discusses the factors...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370187
EISBN: 978-1-62708-447-5
..., operation sequence, advantages, and applications of LPPM, LPSPM, and counter-pressure casting. casting machines counter-pressure casting low-pressure permanent mold casting low-pressure semipermanent mold casting 10.1 Low-Pressure Permanent and Semipermanent Mold Casting THE LOW-PRESSURE...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... homogeneous —that is, uniform in grain structure—than at the ingot stage. These mill products may be provided in finished form for application, or the product may undergo additional processing (forging, stamping, machining, welding, etc.) for an end product—ranging from soda cans to panels destined for car...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560309
EISBN: 978-1-62708-291-4
... to that illustrated in Fig. 11.5(aA) , but in this particular specimen the flash has been removed by subsequent machining. The weld zone is comparatively easy to recognize because it is somewhat decarburized ( Fig. 11.8 (Part 1) b , where the approximate location of the weld plane is indicated by the arrow...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... in.) layer of the machined surface before welding, and this is usually done by etching [ Vaccarri 1991 ]. An increase in oxide content in the base metal was found to increase the occurrence of both undercutting and porosity. These defects are the result of the formation of an oxide film on the surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040001
EISBN: 978-1-62708-300-3
... or appearance. Joining processes, including (a) metallurgical joining, such as welding and diffusion bonding, and (b) mechanical joining, such as riveting, shrink fitting, and mechanical assembly. Metallurgical joining processes, such as welding, brazing, and soldering, form a permanent and robust joint...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.9781627084475
EISBN: 978-1-62708-447-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
..., and manufacturability issues are addressed. Many components are assembled together as a part of a machine. The attachment to the adjacent members by bolting, welding, or coining is designed up-front. The automation for grabbing and manipulating the part during manufacture and assembly needs to be engineered up...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550033
EISBN: 978-1-62708-307-2
..., and joining, and includes a section on the causes and effects of corrosion and how they are typically controlled. aluminum alloys castability composition corrosion forgeability formability heat treatability machinability weldability wrought aluminum alloys ALUMINUM is an industrial...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
... for mold closing without flashing. Also, if the cavities are machined in a single block of steel, spacing should be adequate to avoid thermal influence of one cavity on the other cavity, as this will adversely affect the intended gradients. Another alternative is to mount die blocks of individual cavities...