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Actuator arms

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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
... and an open-back inclinable (OBI) gap-frame press, respectively. Power presses also can be classified further according to the source of power (mechanical or hydraulic), method of actuation of slides, and the number of slides in action. Presses in any of these classes are available in a range of capacities...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005138
EISBN: 978-1-62708-186-3
... as it comes from the coil and is fed directly and continuously into power presses, automatic forming or spring-coiling machines, multiple-slide machines, or special machines actuated by cams, air, or hydraulic cylinders. Wire drawing is discussed in the article “Wire, Rod, and Tube Drawing” in Volume 14A...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005115
EISBN: 978-1-62708-186-3
... Abstract This article commences with a description of the four basic types of feeding arrangements, namely, hand feeding, hitch feeds, roll feeds, and slide feeds. Air feeds offer the utility of use with a wide variety of presses and machines. The article discusses the mounting and actuation...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005102
EISBN: 978-1-62708-186-3
... the lower knife. Most sheet or plate is sheared by setting the upper knife at an angle ( Fig. 1(a) ). The position of one of the knives can be adjusted to maintain optimal clearance between the knives. Squaring shears can be actuated mechanically, hydraulically, or pneumatically. Mechanical Shears...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001486
EISBN: 978-1-62708-173-3
... knife can be adjusted to maintain optimal clearance between the knives. Squaring shears can be actuated mechanically, hydraulically, or pneumatically. Mechanical Shears The power train of a mechanical shear consists of a motor, the flywheel, a worm shaft that is gear driven by a flywheel...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002442
EISBN: 978-1-62708-194-8
... the geometry of the landing gear changes over time and changes the very nature of the problem. The translation (extension) of the struts dramatically changes the landing-gear configuration. For example, the swing arm goes through 60° of travel during each landing and takeoff. Gulfstream worked with CADSI...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003973
EISBN: 978-1-62708-185-6
... In a power-drop hammer, the ram is accelerated during the downstroke by air, steam, or hydraulic pressure. The components of a steam- or air-actuated power-drop hammer are shown in Fig. 3 . This equipment is used almost exclusively for closed-die (impression-die) forging. Fig. 3 Principal components...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001363
EISBN: 978-1-62708-173-3
... the basis of most resistance spot or projection welding operations. Standard machines are either of the rocker arm type, as determined by the rocker action of the moving upper electrode arm, or stationary, direct-acting machines. The latter outnumber the former because rocker arm machines are difficult...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006890
EISBN: 978-1-62708-392-8
... be performed under the surgeon’s control to avoid real-time complications and to make changes to the previously planned procedure. In its basic setup, a robotic system for in situ bioprinting consists of a robotic arm and a bioprinting unit as robotic end-effector ( Fig. 2 ). This unit may differ depending...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002148
EISBN: 978-1-62708-188-7
... of parts per fixture and the constraints of space. This approach can provide flexibility and ease of setup for a family of parts by simply changing clamp location, clamp arm, or clamping linkage. Clamping Methods Clamping of the work is closely related to support of the work. However...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003269
EISBN: 978-1-62708-176-4
... testing generally are electric, hydraulic, and hydraulic rotary actuator. Variable-speed electric motors are the simplest and were the first to be used for torsion testing. These motors can have speeds ranging from fractions of a revolution per minute (rpm) to several thousand rpm. However, the available...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005759
EISBN: 978-1-62708-171-9
... the intense sound pressures, dust and fumes, and ultraviolet light generated during spray operations. In the past decade, the introduction of robotics has led to an expanded role for booths as barriers to protect humans from being struck by fast-moving robotic arms. The most modern spray enclosures are now...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003981
EISBN: 978-1-62708-185-6
... in subsequent forging in closed dies in either a press or hammer, thus eliminating a fullering or blocking operation. Crankshafts, control arms (see Fig. 1 ), connecting rods, and other automotive parts are typical products that are first roll forged from billets to preform stock, and then finish forged...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005165
EISBN: 978-1-62708-186-3
.... This permits working cleanly from each side of the stock. A means of adjusting the shut height of the die is provided. The entire unit can also be moved longitudinally along the bedplate to the desired position established by the feed length. A bolster provides support for the die shoe, and a cam-actuated ram...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006055
EISBN: 978-1-62708-175-7
... environments, high wear resistance, and high strength. Metal injection molding automotive applications include turbo charger vanes and adjustment rings, valve train components such as rocker arms, high-pressure fuel rail components, fuel injector parts for both gasoline and diesel fuels, ignition switch...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004037
EISBN: 978-1-62708-185-6
.... Dimensions given in inches The forging made in part by backward extrusion ( Fig. 3b ) was less expensive to produce in all quantities than the solid forged design ( Fig. 3a ) and had superior strength and stress-corrosion resistance. Two designs of a cargo door actuator cylinder are shown in Fig...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005902
EISBN: 978-1-62708-167-2
... it completely through the inlet siphon. Fig. 4 Pressure-actuated channel furnace for dosed pouring. Source: Ref 4 Such pressurized pouring furnaces are constructed with utility capacities of up to 30 t (33 tons) of molten iron. As an example, Fig. 5 is a workshop photo of a pouring furnace...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003989
EISBN: 978-1-62708-185-6
... of them are still comprised of the same basic elements: two or more opposing dies or hammers one or both of which are fixed to an actuator that displaces the dies toward each other. In the case of cogging ingots to billets, this device must be capable of exerting substantial amounts of force to ingots...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005605
EISBN: 978-1-62708-174-0
... of metal tape into a three-dimensional shape, with periodic machining operations to create the detailed features of the resultant object. The process has applications that include prototype metal parts, injection molding dies, composite materials, armor, embedded sensors and actuators, thermal management...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003259
EISBN: 978-1-62708-176-4
... of the electric motor in combination with the design of the gear box transmission. Crosshead speed of hydraulic machines is limited to the capacity of the hydraulic pump to deliver a steady pressure on the piston of the actuator or crosshead. Servohydraulic test machines offer a wider range of crosshead speeds...