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multiple-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
... automatic bar and chucking machines, Swiss-type automatic bar machines, multiple-spindle automatic bar and chucking machines, and multiple-spindle vertical chucking machines. The article provides examples that illustrate typical variations in dimensions obtained with a multiple-spindle machine. It also...
Image
Published: 01 January 1989
Fig. 19 Principal components and their operation in a multiple-spindle automatic chucking or bar machine More
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...
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...
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.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...
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

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...
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
... of the general design-for-machining rules, such as using open tolerances when possible, are more critical for parts made using transfer machines, while other rules, such as maintaining adequate accessibility, are less critical. Stations on transfer machines can be equipped with multiple spindles, so...
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 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: 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

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...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002116
EISBN: 978-1-62708-188-7
... performed on a milling machine, drilling machine, and a boring mill and is numerically controlled. The position and velocity of the tool with respect to the work is under feedback control. Different tools can be automatically inserted into the spindle as needed to do different machining processes...
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
... that advances the work toward the head. When used in an automatic bar or chucking machine, the head is mounted on the tool slide, which advances it toward the rotating workpiece. The dies are made with annular grooves, and the axes of the dies are set at an angle with the work axis equal to the required...
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
... with two-die and three-die end-feeding heads. Two-die heads are used for small work. The rolling heads can be mounted on the rotating headstock of a bolt-threading machine in which the blank is clamped to a slide that advances the work toward the head. When used in an automatic bar or chucking machine...
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...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005136
EISBN: 978-1-62708-186-3
... in. per ft) Cold-finished carbon steel bars; turned, ground, and polished bars, or drawn, ground, and polished bars: machine straightened within limits (1.6 mm deviation per 1.5 m, or 1 16 in. deviation per 5 ft) reasonable for satisfactory machining in an automatic bar machine Cold...
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...