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make-brake arcing contacts

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
... process, and coprecipitation. composite materials electrical contacts make-brake arcing contacts make-brake sliding contacts property requirements pure metals sliding contacts wrought alloys ELECTRICAL CONTACTS are metal devices that make and break electrical circuits. If an ideal...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001381
EISBN: 978-1-62708-173-3
... is advanced to make pressure contact. Axial force then increases to generate the frictional heat necessary for welding at the abutting surfaces in order to form a solid-state joint. Friction welding can be divided into two major process variations, depending on the manner by which rotational energy...
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
.... In hydraulic press brakes, length of stroke and location of the top and bottom of the stroke (within limits of the cylinder length) are adjustable. The point of rapid advance and return of the ram and its speed during contact with the workpiece are also adjustable; this adjustment makes possible a dwell period...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005174
EISBN: 978-1-62708-186-3
.... Nibblers use a reciprocating punch and stationary die to accomplish the cutting process. During operation, the punch approaches and makes contact with the material being worked. The stroke of the punch compresses the material; the increased compression causes the material to deflect. As the shear point...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... X X X X X X X X X X X Press brake X X X X X X X X X X X X JIC Identification System The Joint Industry Conference (JIC), a committee of press builders and large-press users formed some years ago, set guidelines for uniformity...
Book Chapter

By K. Sampath
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002488
EISBN: 978-1-62708-194-8
... of stress patterns through the unequal sections. When making a fillet weld using an arc welding process, if thicknesses of the members are not greatly different, directing the arc toward the thicker member may produce acceptable penetration. However, special designs for joining will be required when...
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
...-carbon steels metal thickness surface finish FABRICATION of sheet products includes various forming operations such as press forming, press bending, press-brake forming, stretch forming, and deep drawing. Fabrication of sheet products may also include cutting operations, such as blanking, trimming...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005167
EISBN: 978-1-62708-186-3
... to avoid defects or embrittlement. Chemical blanking, electrical discharge machining, abrasive cutting, and milling are preferred for making blanks. The following sequence of operations is generally used in preforming: Form intermediate shape Weld by the gas tungsten arc method Grind weld flush...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005139
EISBN: 978-1-62708-186-3
..., it is sometimes necessary only to make the punch angle smaller than the desired final angle of the workpiece, as in the following example. Example 2: Setting a Flange Angle in a Press Brake The bracket shown in Fig. 8 was preformed in a U-die from a developed blank of type 302 stainless steel, half-hard...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006410
EISBN: 978-1-62708-192-4
... Abstract This article focuses on environmental and application factors in solid friction. It covers the tribology of contact between a soft and hard material, including mechanisms and testing. The article describes the tribology of contact between a metal and tool during metalworking processes...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005100
EISBN: 978-1-62708-186-3
...-forming processes. Forming processes are also typically classified further into categories, as described in Fig. 1 . Fig. 1 Taxonomy of deformation processes. Source: Ref 2 In both bulk and sheet deformation, forming is done with some contact between the surfaces of the deforming metal...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002443
EISBN: 978-1-62708-194-8
... loading at either end might be arbitrarily spread in a sinusoidal manner over 180° (or less) of arc, at both the upper and lower ends of the rod. A third level of modeling might explicitly consider all of the contact pairs that occur in the problem. These contact pairs include the two surfaces...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006354
EISBN: 978-1-62708-192-4
... and subsequent discharge During electric-resistance welding on, or near, the gearbox if the path to ground is not properly made around the gears rather than through them During lightning strikes on wind turbines An electric arc produces temperatures high enough to melt the contacting surfaces of gear...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004031
EISBN: 978-1-62708-185-6
... International® S.L. Semiatin, editor, p831-851 All rights reserved. DOI: 10.31399/asm.hb.v14a.a0004031 www.asminternational.org Glossary of Terms A usually after a complete cycle, by disengaging mentary angle to that formed by the two bend the clutch mechanism and engaging the brake tangent lines or planes...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.9781627081856
EISBN: 978-1-62708-185-6
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005155
EISBN: 978-1-62708-186-3
... control ring height bendability. The ability of a material to be bent angles less than the angle of bite are termed during rolling. around a speci ed radius without fracture. contact angles or rolling angles. bend allowance. The amount of sheet metal required for making a bend around a given radius. Bend...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002455
EISBN: 978-1-62708-194-8
...) Profile of product does not change along its length. Examples: wire, pipe, aluminum foil. Many 2D products are used as raw material for processes that make them into 3D shapes. Three-dimensional (3D) Profile of the product varies along all three axes. Most products are 3D.  Sheet Has almost...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005707
EISBN: 978-1-62708-171-9
... (cathode) will corrode less than it would if the two metals were not in electrical contact. While galvanic corrosion is one of the most widespread forms of corrosion, the process can be used to protect large structures, by making them the cathode of a galvanic cell and providing sacrificial anodes...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005578
EISBN: 978-1-62708-174-0
... a setpoint speed, the parts are brought together under pressure. For a very short period after contact of the two parts, relative motion is accommodated by rubbing friction, which in turn causes heat generation. However, seizure occurs almost immediately at a radial position of 1 2 to 2...