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part specifications and drawings

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200140
EISBN: 978-1-62708-354-6
... Abstract This chapter focuses on engineering drawings for casting production, providing information on machining and casting drawings and machining and tooling references. machining mechanical design part specifications and drawings tolerances tooling Machining and Casting Drawings...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200078
EISBN: 978-1-62708-354-6
... that should be clearly defined are: Purchase order number and date Pattern number and/or part number Pattern and machine drawing numbers with current revision notation Quantity required Material specification Q.A. requirement and documentation Casting price Delivery requirements...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780147
EISBN: 978-1-62708-268-6
..., the part has infinite life. Ideally, engineers should design parts subjected to stress reversals to be in the infinite life range of the S - N curve. If the failed component conformed to the engineering drawing, was made of the correct material, experienced no out-of-specification loads, and so...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780075
EISBN: 978-1-62708-268-6
... is comprised of engineering drawings, specifications, process descriptions, test results, inspection data, and other documentation. Evaluating the pedigree of a failed product can help to rule in or rule out hypothesized failure causes. The documents making up a product pedigree are records of how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... Abstract This chapter focuses on common failure characteristics exhibited by mechanical and electrical components. The topic is considered from two perspectives: one possibility is that the system failed because parts were nonconforming to drawing requirements and another possibility...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400073
EISBN: 978-1-62708-316-4
... drawing of complex shapes. To produce good quality parts, it is essential to know the forming characteristics or formability of the sheet material under the conditions in which it is formed. Formability refers to the ability of a sheet metal to be deformed into a desired shape while maintaining structural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040001
EISBN: 978-1-62708-300-3
... of part being produced. Manufacturing costs are directly proportional to tolerances and surface finish specifications. Under typical conditions, each manufacturing process is capable of producing a part to a certain surface finish and tolerance range without extra expenditure. Some general guidance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180029
EISBN: 978-1-62708-256-3
... and similarities between Haynes 188 and A286, my first thought was just to scrap the parts and save the time and money of the metallurgical analysis. But I remembered what had happened with the bellows. Based on the analysis results, we were able to save 50% of the fasteners. Failures Are Specific to an Industry...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400001
EISBN: 978-1-62708-316-4
... such as drawing, bending, and coining. manufacturing sheet metal forming IN A MANUFACTURING process, a given material is transformed into a useful part having a complex geometry with well-defined (a) shape, (b) size, (c) accuracy and tolerances, (d) appearance, and (e) properties ( Ref 1.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500083
EISBN: 978-1-62708-317-1
.... This feature is especially important in stamping and drawing operations. This phenomenon becomes more obvious when relatively complex parts are desired, because the forming limits are reached at very early stages of the forming operation. Also, the tendency toward galling increases at elevated temperatures...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400233
EISBN: 978-1-62708-316-4
...) The resultant flat pattern. blank holder (1) The part of a draw die that holds the work piece against the draw ring to control metal flow. A blank holder is also called binder, binder ring, or ring. (2) That part of a forming die that holds the blank by pressure against a mating surface of the die to control...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500157
EISBN: 978-1-62708-317-1
... of complex parts. Fig. 8.7 Combination of sheet hydroforming with punch (SHF-P) with stretching and deep drawing to produce complex parts in forming operation. (a) Prestretching followed by SHF-P. (b) Deep drawing followed by SHF-P. Source: Ref 8.11 Double-Blank Hydroforming/Parallel-Plate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400005
EISBN: 978-1-62708-316-4
... of the process and a bullet-point list identifying relevant equipment, materials, variations, and applications. The chapter also discusses critical process variables, interactions, and components and the classification of sheet metal parts based on geometry. bending blank preparation deep drawing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... parts are designed with minimum draw depth and reduced stretch to avoid splits. Also, gentle shape transitions are used to avoid wrinkles and large radii are specified to facilitate metal flow. The following forming guidelines are the result of lessons learned from AHSS case studies ( Ref 14.2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... of the press and production delays. Springback and Residual Stress Springback is the change in the shape of the part from that of the die after forming and unloading. It is, therefore, the deviation of the final product from the desired geometry. Springback occurs in drawing operations because...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500073
EISBN: 978-1-62708-317-1
... forming stations and the corresponding tool geometry to satisfy specifications of the produced part concerning overall dimensions, tolerances, residual stresses, and surface finish. Fig. 4.2 Transfer die set for a press with draw cushion and positive stops. Source: Ref 4.2 Process sequence...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
... as many as one million parts with reductions greater than 40% when the steel to be drawn is surface treated with zinc phosphate and soap. However, cemented carbides are not superior to tool steels (such as D2) in complex deep-drawing operations, such as those with reductions greater than 40% that combine...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200065
EISBN: 978-1-62708-354-6
... the important physical properties of steel castings are the linear dimensions. Variations occur in the linear dimensions and weights of parts made by any metal-shaping process. Tolerances are the expressions of the expected or acceptable variations. Most specifications require that the casting drawing call out...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550193
EISBN: 978-1-62708-307-2
... atmosphere. Adequate ventilation must be provided if parts are processed by chemical etching after forming. Deep Drawing Lubrication is required to prevent galling between the beryllium workpiece and the die. A lubricant film must be maintained over that portion of the blank surface making contact...