1-20 of 71 Search Results for

gripping

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
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
... operation using split dies is illustrated in Fig. 1 . Split dies are used to grip the bar so that the upsetting is limited to the unsupported end of the bar. This type of upsetting (using split dies to grip the material) is usually done in special-purpose machines, called upsetters, that were designed...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... sandpaper to promote gripping friction. Edges of the test specimen should be undamaged and parallel to within 0.127 mm (0.005 in.). Tab surfaces should be parallel to a reference surface within 0.0508 mm (0.002 in.). Strain measurements can be obtained by utilizing an extensometer or electrical...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009010
EISBN: 978-1-62708-185-6
... horizontally by water-cooled grips, through which electric power is introduced to resistance heat the test specimen ( Fig. 1 ). Specimen temperature is monitored by a thermocouple welded to the specimen surface at the middle of its length. The thermocouple, with a function generator, controls the heat fed into...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003178
EISBN: 978-1-62708-199-3
..., is thus ready for insertion through the draw die for gripping. The actual pointing operation is usually performed at room temperature by swaging, rolling, or turning. However, it can be performed after preheating and can also be done by hammering, acid etching, or grinding. The selection of tool...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005292
EISBN: 978-1-62708-187-0
...: Extra processes in the die casting cell: Will the casting need to be quenched (air or water) and trimmed within the die casting cell? If so, a robot is probably a good solution due to it flexibility. Gripper design: Can the casting be gripped by the biscuit, or must it be gripped by the part to be...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009011
EISBN: 978-1-62708-185-6
... dimensions. The most important components of design are gage section, fillet radius, shoulder length, and grip design. Gage-section geometry determines the deformation level and deformation rate for a given amount of twist and a given twist rate, based on: (Eq 1) γ = r θ L and (Eq 2...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009012
EISBN: 978-1-62708-185-6
... can be loosely described as an instrumented lathe. One end of the specimen is prevented from rotating, while the other is subjected to torque provided by a motor. A tube furnace is used to heat the specimen in place. Angular displacement is monitored from the drive-motor grip system and converted to...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003040
EISBN: 978-1-62708-200-6
... (8.8) Poisson's ratio 0.875 1.36 0.566 0.806 0.986 0.667 Apparent fiber angle ±20° ±20° ±12° ±12° ±15° ±12° (a) Tension and compression specimens were tabbed at grip ends. (b) T300 graphite yarn, 30,000 tow In Table 3 , the effect of yarn bundle size is illustrated...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004008
EISBN: 978-1-62708-185-6
... accomplished with three moving grip slides; one slide for push pointing before the die box and two opposed-motion drawing slides after the die box. The push-pointing grip runs twice as fast as the drawing grips in order to minimize production loss when push pointing. This machine also has one set each of...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003974
EISBN: 978-1-62708-185-6
... the stock to be tightly gripped and upsetting forces completely absorbed. Tool pressure must be high, which requires the stock to be tightly gripped and upsetting forces completely absorbed. Tool length must be sufficient to permit rigid bar reception apart from filling up the impression. The...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001832
EISBN: 978-1-62708-181-8
... the two sides of the fractured part in a tensile-testing machine, if the shape permits, and pulling Placing the specimen in a vise and bending one half away from the other half by striking it with a hammer in a way that will avoid damaging the crack surfaces Gripping the halves of the fracture...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003018
EISBN: 978-1-62708-200-6
... Plastics, Volume 2, Engineered Materials Handbook, ASM International, 1988, p 399–403. In general, cut-sheet machines use clamp frames that secure individual panels and move them through all stages of the thermoforming cycle. A positive grip on all four sides of the clamping frame is essential to the...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004004
EISBN: 978-1-62708-185-6
... feed mechanism ( Fig. 7 ) that grips and ungrips the wire surface while reciprocating on guide shafts. The large clamping surface of the grippers minimizes damage to the wire surface/coating, especially when working with soft materials such as aluminum. Fig. 7 Linear feed mechanism for wire input...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009007
EISBN: 978-1-62708-185-6
... reduced diameter of 6.4 mm (0.250 in.) and an overall length of 89 mm (3.5 in.) is held horizontally by water-cooled copper jaws (grips) through which electric power is introduced to resistance heat the test specimen ( Fig. 17 ). cimen temperature is monitored by a thermocouple welded to the specimen...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... materials processing variations may help explain differences in mechanical properties between the bulk material and the failure origin. The tension test is one of the most commonly used tests for evaluating materials. In its simplest form, the tension test is accomplished by gripping opposite ends of a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
.... The shank of a stud or other weld fastener can be of any size, shape, or type that can be gripped in the stud holder. Usually, the weld base, which is the end of the stud or other fastener that is to be welded, is round for both processes. However, square- and rectangular-shape weld-base studs can be...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006444
EISBN: 978-1-62708-190-0
... of the predicted mode shapes). To simplify finite-element modeling, compliant clamps, such as soft rubber grips, can often be approximated as a free-boundary condition. Currently, there is no single accepted procedure for verifying vibration amplitude, coverage, and consistency. However, some...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003038
EISBN: 978-1-62708-200-6
... to grip the product and pull it through the die. The earliest pultrusion machines used a single clamp, which was hydraulically operated to grip the part between contoured pads. A carriage containing this clamping unit was then pulled by a continuous chain, which was driven by a variable-speed...