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multiple-operation machining

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003190
EISBN: 978-1-62708-199-3
... roughness is closely tied to the accuracy or tolerance of a machine component ( Table 3 ). A close-tolerance dimension requires a very fine finish, and the finishing of a component to a very low roughness value may require multiple machining operations. For example, a 3.2 μm (125 μin.) surface roughness can...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003187
EISBN: 978-1-62708-199-3
... Abstract Fundamental to the machining process, is the metal-cutting operation, which involves extensive plastic deformation of the work piece ahead of the tool tip, high temperatures, and severe frictional conditions at the interfaces of the tool, chip, and work piece. This article explains...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003194
EISBN: 978-1-62708-199-3
...; however, a general-purpose machine tool is not regularly available. Each application is engineered to meet the requirements as found by sample test cuts made to determine the exact values for the key operating parameters. Equipment generating pressures up to 415 MPa (60 ksi) is commercially available with...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003983
EISBN: 978-1-62708-185-6
... machines ( Fig. 11 ), which form parts automatically in one or more setups, and multistation transfer machines ( Fig. 12 ) that use different types of swaging heads to perform multiple operations in a single setup. Fig. 11 Automated die-closing swaging machine with a gravity parts feeder...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005257
EISBN: 978-1-62708-187-0
... to perform six operations accurately and with repeatability: The machine must be able to accelerate the mold to a predetermined speed, maintain smooth spinning, and decelerate to a stop in a reasonable time frame. The machine also should be able to change speeds during pour and solidification...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005931
EISBN: 978-1-62708-166-5
... and equipment. In the event of personnel who are color blind, additional elements can be added to the graphics to distinguish between different operating states. A supervisory control and data-acquisition (SCADA) system provides a central system to monitor, collect, and store data from multiple...
Book Chapter

By Robert Bolin
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003982
EISBN: 978-1-62708-185-6
..., radial-axial horizontal rolling machines, four-mandrel mechanical table mills, three-mandrel table mills, and automatic radial-axial multiple-mandrel ring mills. The article provides a discussion on the process control technology and ancillary operations of ring rolling. It describes the methods of...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005197
EISBN: 978-1-62708-187-0
... Abstract In high-iron-tonnage operations, the cupola remains the most efficient source of continuous high volumes of iron needed to satisfy high production foundries or the multiple casting machines of centrifugal pipe producers. This article explores successful improvement technologies in...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003015
EISBN: 978-1-62708-200-6
.... Multiple-screw extruders operate differently from single-screw extruders. In a single-screw machine, friction between the resin and the rotating screw makes the resin rotate with the screw. The friction between the rotating resin and the barrel pushes the material forward and generates heat. Increasing the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006439
EISBN: 978-1-62708-190-0
... the human eye/brain system is extremely complex and operates in ways and at data rates much different from those of commercial machine vision systems. Humans are more flexible and often faster than machine vision systems. On the other hand, machine vision systems provide capabilities not achievable by...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001232
EISBN: 978-1-62708-170-2
... discussion on abrasive jet machining and ultrasonic machining. It concludes with a discussion on the four categories of factors that affect the abrasive finishing or machining: machine tool, work material, wheel selection, and operational. abrasive belt grinding abrasive belt polishing abrasive...
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
... the various components of a cold-heading machine and the tools used in the cold heading process. These include headers, transfer headers, bolt makers, nut formers, and parts formers. The article explains the operations required for preparing stock for cold heading, including heat treating, drawing to...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004041
EISBN: 978-1-62708-185-6
... productivity and reduce costs should start with the efforts to reduce the lead time involved in machining and polishing processes. In a typical conventional die-making operation, the die cavity is usually rough machined to about 0.3 mm (0.01 in.) oversize dimensions. The die is then hardened, which...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005258
EISBN: 978-1-62708-187-0
... Abstract Horizontal centrifugal casting is used to cast parts having an axis of revolution. This article discusses the operations of various horizontal casting machines, such as flanged shaft machine, horizontal roller-type machine, and double-face plate machine. It describes the types of molds...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005355
EISBN: 978-1-62708-187-0
... inspection shakeout vertical core knockout machine A-frame core knockout machine pressure testing automating gate removal After solidification and cooling, further processing and finishing of the castings is required. The required operations and levels of finishing depend on the process (green sand...
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
... computer-controlled hammers. It describes the three basic designs of high-energy-rate forging (HERF) machines: the ram and inner frame, two-ram, and controlled energy flow. The article reviews forging mechanical presses, hydraulic presses, drive presses, screw presses, and multiple-ram presses...
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
... pressure release; 5, ram lift. Source: Ref 3 Fig. 1 Relationships between process and machine variables in hot-forging processes conducted in presses Fig. 2 Load versus displacement curves for various forming operations. Energy developed in the process=load × displacement × m , where...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001233
EISBN: 978-1-62708-170-2
... radiusing process Fig. 8 Schematic of die-sinking electrodischarge machining system Fig. 1 Schematics of electrochemical machining (ECM) operations. (a) Die sinking. (b) Shaping of blades. (c) Drilling. (d) Milling. (e) Turning. (f) Wire ECM. (g) Drilling of curvilinear holes. (h...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
... machines Draw benches for tube and rod; wire- and rod-drawing machines Machines for pressing-type operations (presses) Among those listed, pressing-type machines are the most widely used and are applied to both bulk- and sheet-forming processes. These machines can be classified into three types...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003055
EISBN: 978-1-62708-200-6
... grinding and provides information on tooling, wheel selection, work material, and operational factors. It also discusses precision slicing and slotting, lapping, honing, and polishing as well as abrasive waterjet, electrical discharge, laser, and ultrasonic machining. abrasive machining ceramics...