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toolholding

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Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002127
EISBN: 978-1-62708-188-7
... (0.013 in./rev); approach angle = 45°; top rake = 0°; clearance = 6°; tool nose radius = 0.8 mm (0.030 in.); dry, no coolant. Workpiece: silica flour filled epoxy resin Fig. 8 Formats for polycrystalline diamond and polycrystalline CBN tools Fig. 13 Toolholder for solid PCBN inserts...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003194
EISBN: 978-1-62708-199-3
... and dislodge material from workpiece. Cavity produced assumes shape of tool. Equipment Machine tool equipped with transducer, generator power supply; specially shaped toolholder and tool; abrasive powder; pump for abrasive powder-water mix. Typical applications Machining of nonmetallic, brittle...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002124
EISBN: 978-1-62708-188-7
... properties microstructure physical properties physical vapor deposition tailored substrates thin coating toolholding wear CEMENTED CARBIDES belong to a class of hard, wear-resistant, refractory materials in which the hard carbide particles are bound together, or cemented, by a soft and ductile...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001104
EISBN: 978-1-62708-162-7
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002173
EISBN: 978-1-62708-188-7
... must be considered in shank design. The first is that the larger and more massive the shank, the better it will cut. A large monobloc shank is both more rigid and a better heat sink than either a small shank or one comprised of a small interchangeable toolholder placed in a large shank. In addition...
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
... in a rotatable drum that indexes in order to bring each spindle into a different working position. Second, a nonrotating tool slide contains the same number of toolholders as there are spindles and thus provides and positions a cutting tool (or tools) for each spindle and imparts feed to these tools...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002172
EISBN: 978-1-62708-188-7
... cool. Fig. 11 Schematic of ledge tool, which is designed to increase productivity during the high-throughput machining of titanium. (a) Ledge tool mounted on a conventional toolholder. (b) A turning operation using a ledge tool. Source: Ref 27 Fig. 12 Variation of ledge wear back...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002120
EISBN: 978-1-62708-188-7
... material provides good wear resistance until the hard coating is removed, exposing the softer core material. The cemented carbides are very hard, but brittle, and have a lower thermal conductivity than high-speed steel. Inserts may easily fracture if the mechanical attachment to the insert toolholder does...
Book Chapter

By Walter W. Gruss
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002125
EISBN: 978-1-62708-188-7
... indexable inserts are applied in grooving operations to achieve close dimensional control and good surface finish of the machined surfaces. Figures 14 and 15 show cermet indexable inserts mounted on a toolholder and boring bar for grooving. Table 7 contains guidelines for the median cutting speed...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003055
EISBN: 978-1-62708-200-6
... to a toolholder and specially designed tool. When combined with an abrasive slurry, the workpiece material is microscopically ground away, and the machined area becomes a mirror or counterpart of the vibrating tool. Figure 24 shows an ultrasonic transducer and toolholder assembly. Lapping is the process...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002117
EISBN: 978-1-62708-188-7
... of a shear force, F s , and a normal force, F n , acting on the shear plane area, A s . The forces R and R ′ are assumed to be equal, opposite, and colinear. Determination of these forces necessitates a third set that can be measured. A dynamometer, mounted in the workholder or the toolholder, can...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001106
EISBN: 978-1-62708-162-7
... inserts for use in standard toolholders. Solid PCD and PCBN can also be used as inserts. Fig. 11 Polycrystalline diamond with substrates. (a) Typical fully round PCD tool blank. This type of blank is brazed or mechanically clamped to extend the usable cutting edge. (b) Typical square PCD tool blank...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002176
EISBN: 978-1-62708-188-7
..., or a shaded image. There may be the capability of displaying the raw stock from which the part is to be cut. The software may or may not be able to display the full geometry of cutting tools, as well as toolholders, and/or the clamps and fixtures for locating and holding the workpiece. Desirable features...
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
... is held in a slot in the bar (as shown in Fig. 13 ), in which it can float. The amount of float is controlled by the lockscrew and adjusting screw in the toolholder. By floating, the cutters can follow the surface of the bore being reamed, maintaining tolerances as close as 0.01 mm (0.0005 in.). Floating...
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
... space than an engine lathe of equivalent capacity. Vertical turret lathes include features of the vertical boring mill. In addition, they are equipped with a turret on the main head and a turret toolholder on the side head. A second vertical head may be mounted on the crossrail, and a second side...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002187
EISBN: 978-1-62708-188-7
... (for example, 0.13 mm/rev, or 0.005 in./rev), and intermittent cuts should be avoided. Tool and toolholders must be as rigid as possible in boring to prevent chatter and to maintain accuracy. Care must be taken in small-diameter bores to provide an adequate volume of cutting fluid to the cutting area...
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
... in.), but at a rate of 20 kHz. The low-amplitude vibration is acoustically transmitted to a toolholder and specially designed tool. When combined with an abrasive slurry, the workpiece material is microscopically ground away, and the machined area becomes a mirror or counterpart of the vibrating tool. Ultrasonic...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005158
EISBN: 978-1-62708-186-3
... and not as a horizontal orbital oscillation. The amplitude of tool motion is much lower, typically 0.025 mm (0.001 in.), and the frequency is very much higher, typically approximately 20,000 cycles/s; hence, it is called ultrasonic abrading. In this technique, a nonabrasive forming tool attached to a special toolholder...
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
... primary components: Abrasive (the cutting tool) Bond (the toolholder) Porosity or air for chip clearance and/or the introduction of coolant Each of these components has a profound effect on the grinding process. In addition to particle or grit size, abrasives have a number...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002121
EISBN: 978-1-62708-188-7
... with the work material at any given time. Such tools are used for turning, threading, boring, planing, or shaping, and most are mounted in a toolholder that is made of some type of tough alloy steel. The performance of such tools is dependent on the tool material as well as factors such as the material being...