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indexable-insert drills

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Published: 01 January 1989
Fig. 34 Two types of indexable carbide insert drills. (a) Two-insert drill. (b) Four-insert drill More
Image
Published: 01 January 1989
Fig. 37 Typical insert configurations used in indexable-insert carbide drills. (a) Square. (b) Trochoid. (c) Trigon More
Image
Published: 01 January 1989
Fig. 35 Feed strokes (dimension x ) of three drills. The indexable-insert carbide drill (a), shown here with a trigon insert, has a much shorter feed distance than a standard twist drill (b) or a spade drill (c). More
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
... material, tool material, depth of hole, design of drill, rigidity of setup, tolerance, and cutting fluid. The article illustrates the effects of operating variables on drill life of hardened steel. The advantages, limitations, design considerations, insert configurations, and applications of indexable...
Image
Published: 01 January 1994
Fig. 6 Indexable drills using (a) square and rhomboid-shape inserts and (b) two trigon inserts to give (a) negative and (b) negative-positive point angles. Source: Ref 15 More
Image
Published: 01 January 1989
Fig. 33 Metal cutting drills with indexable carbide inserts More
Image
Published: 01 January 1990
Fig. 36 Metal cutting drills with indexable carbide inserts More
Image
Published: 01 January 1989
Fig. 7 Tungsten carbide components having surfaces machined with diamond abrasives. (a) Variety of parts having machined surfaces. (b) Variety of solid carbide twist drills. (c) Carbide reamer having ground helical grooves. (d) Indexable carbide inserts having ground surfaces More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001231
EISBN: 978-1-62708-170-2
... with brazed tips, and drills with indexable inserts for diameters of 14 mm (0.6 in.) and above. Carbide drills need to be used at much higher speeds than high-speed steel drills but result in higher productivity and better surfaces, often not requiring a secondary reaming or boring operation. Getting high...
Image
Published: 01 January 1989
Fig. 36 Spindle power requirements for various diameters of indexable-insert carbide drills in three materials (4140 steel, hard cast iron, and Type 316 stainless) under varying conditions of speed and feed. A, 4140 steel, 105 m/min (350 sfm), and 0.18 mm/rev (0.007 in./rev); B, 4140 steel, 90 More
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
... with submicron carbide grain sizes ( Fig. 6 ) have been developed for applications requiring more toughness or edge strength. Typical applications include indexable inserts and a wide variety of solid carbide drilling and milling tools. Grain refinement in these alloys is obtained by small additions (0.25 to 3.0...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003426
EISBN: 978-1-62708-195-5
.... The article concludes with a discussion on inspection of hole quality. hole-drilling composite parts polymer-matrix composites power-feed drill motor automated drilling reaming countersinking cutting tools standard carbide insert cutter polycrystalline diamond insert cutters GOOD HOLE...
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
... requiring more toughness or edge strength. Typical applications include indexable inserts and a wide variety of solid carbide drilling and milling tools. Grain refinement in these alloys is obtained by small additions (0.25 to 3.0 wt%) of tantalum carbide, niobium carbide, vanadium carbide, or chromium...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003187
EISBN: 978-1-62708-199-3
... of contact between the tool and work, producing flank wear. Lastly, the cutting edge radius has increased. Figure 6 shows the characteristic wear surfaces on a turning tool insert, end mill, form tool, and drill. The cutting edge view shown in Fig. 1 and 5 is identified as section A-A in Fig. 6...
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
... 1 2 s to index the turret to proceed with the next operation. A variety of standard and special attachments enable the machine to perform screw slotting and burring, cross drilling, and milling. The cross slides are two independent slides at right angles to the spindle. Both the turret...
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
... that resembles a hollow mill ( Fig. 3 ). With this tool, a twist drill is inserted into a hollow cutter and held by a setscrew. This type of trepanning cutter usually has two or more cutting edges to provide balance, which assists in maintaining dimensional control. Cutting edges have a back rake angle of about...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002163
EISBN: 978-1-62708-188-7
... and guarded to prevent 600 V mishaps. Capillary Drilling Capillary drilling uses an array of shorter glass tubes with straight sides (instead of the nozzle shape of the ES tubes). In each one of the tubes is a small platinum wire, which is inserted down to approximately 1 mm (0.040 in.) from...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002192
EISBN: 978-1-62708-188-7
... is used, tap sizes as small as 5–40 can be readily power tapped ( Ref 17 ). Experience has shown that for drilling large holes in alloyed or unalloyed uranium, a coolant-fed drill having indexable inserts works much better than a standard twist drill. With this type of coolant-fed drill, the cutting...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002181
EISBN: 978-1-62708-188-7
... or high abrasion resistance Examples with carbon content of applicable group: Taps (1.05/1.10% C) Reamers (1.10/1.15% C) Twist drills (1.20/1.25% C) Files (1.35/1.40% C) Hot forging tools and dies Dies and inserts Forging machine plungers and piercers For combining hot hardness with high abrasion...
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
... cutters, inserted-blade cutters, and indexable-insert cutters, are also discussed. The article explains the capabilities and limitations of peripheral milling, face milling, and end milling methods. It concludes with a comparison of milling with broaching, planing or shaping, and grinding. end...