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single-spindle automatic bar and chucking machines

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Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002147
EISBN: 978-1-62708-188-7
... machinability manual turret lathes multiple-operation machining multiple-spindle automatic bar and chucking machines multiple-spindle machines multiple-spindle vertical chucking machines single-spindle automatic bar and chucking machines single-spindle automatic lathes Swiss-type automatic bar machines...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002129
EISBN: 978-1-62708-188-7
... the steps of a desired operation. Leading kinds of automatic turning machines are presented here under the classifications of automatic lathes, and single-spindle and multiple-spindle automatic bar and chucking machines. Automatic Lathes Automatic lathes have the basic units of simple lathes: bed...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002130
EISBN: 978-1-62708-188-7
... of turret lathes, enable a further increase in production of parts that are made from bars or tubes. Production can be still further increased by the use of a multiple-spindle automatic bar machine, designed so that every tool is in operation at the same time, but on a different piece of material...
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
... in the die. Workpiece surface finish is generally best when its rotation is about 80% of the rotating spindle speed. Resistance to rotation is manual when the swager is hand fed; mechanical means are used with automatic feeds. Machines Rotary swaging machines are classified as standard rotary...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002131
EISBN: 978-1-62708-188-7
... as the boring-bar headstock, except that a two-piece bronze bushing is used to damp vibration and to allow the boring bar to slide. Alignment is critical. The spindle, chuck, steady rests, guide bushing, and boring-bar headstock must be as nearly in line as possible. In addition, the machine ways must...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002143
EISBN: 978-1-62708-188-7
... control devices. Automatic Machines Because of the longer setup time and higher running cost involved, automatic machines (automatic turret lathes, single-spindle or multiple-spindle automatic bar or chucking machines, or other automatic equipment) are used only for medium or high production...
Book Chapter

By Pel Lynah
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002154
EISBN: 978-1-62708-188-7
... blocks), and to finish parallel faces. The machine lapping of individual pieces, either one per cycle or in multiple-piece loads, represents the bulk of the production lapping currently done in industry. Single-side flat lapping machines, double-side planetary machines, cup lapping machines...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002135
EISBN: 978-1-62708-188-7
... In selecting a machine, the following options should be considered for their suitability to the specific job: Machine type: Manual control, numerical control; single spindle or multiple spindle Machine calibrations: Speed and feed range, manual or automatic machine positioning, and automatic...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002487
EISBN: 978-1-62708-194-8
... likely to occur with cast than with forged blanks. For surfaces with relatively open tolerances requiring only a single machining pass, the stock allowance should be reduced to 1 mm (0.04 in.) when primary process tolerances permit. For parts made from bar stock or other standard cold-worked shapes...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002144
EISBN: 978-1-62708-188-7
... hold and rotate a cutter while allowing a workpiece to be fed into the cutter, or vice versa. Figure 1 illustrates the wide range of cutter configurations available for use in milling operations. For example, milling can be done in single-spindle or multiple-spindle bar and chucking machines...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002151
EISBN: 978-1-62708-188-7
... numbers are used in operations in which the large area of contact dictates the need for chip clearance. High structure numbers also aid in carrying coolant into the cutting zone in such machining operations as vertical-spindle rotary-table surface grinding or creep-feed grinding. Superabrasive Wheels...
Book Chapter

By Mark Johnson
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002139
EISBN: 978-1-62708-188-7
... of operations in an automatic turret lathe or in a single-spindle or multiple-spindle bar or chucking machine. However, because of the relatively long setup time required for these machines, they are usually efficient only for large production lots. Moreover, tapping efficiency may depend on the number of other...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002138
EISBN: 978-1-62708-188-7
... presses, lathes, boring machines, and automatic bar or chucking machines, depending on the degree of quality and accuracy required. The process is applicable to metals softer than about 40 HRC, although diamond burnishing machines are available for finishing materials harder than 40 HRC. However, metals...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005847
EISBN: 978-1-62708-167-2
... the parts between spindles with centers, chucks, clamps, and so forth, depending on the part configuration. The part and coil then are translated relative to each other and the part is progressively heated and quenched. A typical scanner system has a carriage, guide rods, or tracks to allow the carriage...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002188
EISBN: 978-1-62708-188-7
... contains Monel R-405 only. This alloy is designed for high production rates in automatic bar and chucking machines and is discussed in the section “Multiple-Operation Machining” in this article. Cutting Fluids Almost any cutting fluid, or none, can be used in machining nickel alloys. In many...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002153
EISBN: 978-1-62708-188-7
... and expand the stones until size is reached. It may have a single spindle or a number of spindles for production, similar to a vertical boring machine. An example of eight-spindle honing machine capability is the removal of 0.010 mm (0.004 in.) of stock in each of eight cylinders in 30 s to a tolerance...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
... dies, whereas cylindrical two-die machines or other types of threading equipment may require expensive or unwieldy fixturing. Radial-feeding single-roll or double-roll attachments are used to best advantage for rolling threads at the collet end of pieces being machined in a lathe or automatic bar...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002142
EISBN: 978-1-62708-188-7
... that often the only fixture required for manual loading is a spring-loaded work stop to provide correct axial position. Lathes and Automatic Machines Radial infeed rolling can be done in lathes and automatic bar machines equipped with single-roll or double-roll radial threading attachments...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006494
EISBN: 978-1-62708-207-5
... that are insoluble but small, soft, and nonabrasive are beneficial because they assist in chip breakage; such constituents are purposely added in formulating high-strength free-cutting alloys for processing in high-speed automatic bar and chucking machines. Alloy AA 2011 was developed in 1934 at Alcoa’s...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002136
EISBN: 978-1-62708-188-7
... for use in various machines, such as drill presses, turret lathes, and automatic bar or chucking machines. They are available with taper or straight shanks ( Fig. 4 ) and therefore can be held in collets or split bushings, or by setscrews. These reamers are most readily available in diameters of 1.2 to 38...