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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
... Abstract Reaming is a machining operation in which a rotary tool takes a light cut to improve the accuracy of the round hole and reduce the roughness of the hole surface. This article describes its process capabilities and provides information on workpiece material and hardness, as well...
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Published: 01 January 1989
Fig. 1 Effect of the hardness of a low-alloy steel workpiece on reaming conditions and reamer life (M10 high-speed steel reamers). (a) 6.4 mm ( 1 4 in.) diam holes. (b) 13 mm ( 1 2 in.) diam holes Reaming conditions (holes of both diameters) Type of machine More
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Published: 01 January 1989
Fig. 8 Reaming of six stud holes in a wheel hub with a straight-flute inserted-blade adjustable reamer. Dimensions in figure given in inches Reamer details Number of blade inserts 6 Insert material M2 high-speed steel Land width, mm (in.) 0.2 (0.008) Back taper, mm/mm More
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Published: 01 January 1989
Fig. 15 Gun reaming of a taper-cored hole. Dimensions in figure given in inches Reaming conditions Machine Turret lathe Speed, at 329 rev/min, m/min (sfm) 58 (190) Feed, mm/rev (in./rev) 0.1 (0.004) Stock reamed on diameter, mm (in.) 4.8–9.5 ( 3 16 – 3 8 More
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Published: 01 January 1989
Fig. 20 Dry reaming of a shaft hole in a rotor. Dimensions in figure given in inches Reamer details Type Spiral, ten-flute (a) Material M4 high-speed steel Margin width, mm (in.) 0.05 (0.002) Back taper, mm/mm (in./in.) 0.0003 (0.0003) Radial hook angle in flutes More
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Published: 01 January 1989
Fig. 20 Design of a finishing reamer used for reaming aluminum in automatic bar and chucking machines. Dimensions given in inches More
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Published: 01 January 1989
Fig. 4 Combination tool for reaming a two-step hole and spotfacing a valve seat. Dimensions given in inches More
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Published: 01 January 2001
Fig. 2 Four-flute drilling/reaming cutter for carbon/epoxy composites More
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Published: 01 November 1995
Fig. 8 Drilling/reaming cutting tool More
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Published: 01 January 1989
Fig. 18 Two setups employing fixtures and bushings for the accurate guiding of reamers More
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
... Abstract This article discusses various machining techniques of zinc alloy die castings. These include turning, boring, drilling, reaming, tapping, die threading, milling, and sawing. In addition, the article describes the factors that influence machinability of the zinc alloy die castings...
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Published: 01 January 1989
Fig. 12 Shell versus solid reamers. Shell reamer with brazed carbide cutting edges was superior to solid carbide reamer with high-speed steel shank for reaming the shaft hole in this gray iron water-pump body. Dimensions in figure given in inches. Workpiece hardness: 131 to 207 HB More
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Published: 01 January 1989
Undercut Tap Longitudinal tools Spot drill; rough turn OD Tap drill; rough turn OD Step drill Undercut Tap Step ream Cross slide tools Radius corners Cut off Cross slide tools Radius back corner Finish form OD Radius front corner Stamp letters More
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Published: 31 August 2017
Fig. 36 Effect of sulfur additive into cutting liquid on (a) drilling torque and (b) finish quality of reamed surface. CGI, compacted graphite iron. Source: Ref 37 More
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Published: 01 January 1989
Fig. 1 Basic operations performed on turning equipment. (a) Facing. (b) Straight turning. (c) Taper turning. (d) Grooving and cutoff. (e) Threading. (f) Tracer turning. (g) Drilling. (h) Reaming. (i) Boring More
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Published: 01 January 1989
Fig. 15 Change from eight-flute reamer (bottom left) to single-flute reamer with wear strips (bottom right) eliminated out-of-roundness in reaming the blind hole in the alloy C37700 forging shown at top. Dimensions given in inches More
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Published: 01 January 1989
Fig. 3 Change from eight-flute reamer (bottom left) to single-flute reamer with wear strips (bottom right) to eliminate out-of-roundness in reaming the blind hole in the forging shown at top. Dimensions given in inches. Workpiece hardness: 45 HRB More
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Published: 01 January 1989
Fig. 5 Redesign of spiral-flute reamer for keywayed hole. Surface roughness of 2.3 μm (90 μin.), obtained with conventional spiral-flute reamer (a) in reaming keywayed hole (b), was reduced to 1.25 μm (50 μin.) by modifying lead angle as in (c). Dimensions given in inches More
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Published: 01 January 1989
Fig. 16 Effect of work metal and speed on torque in taper tapping. Data were obtained with 1 8 -27 NPT high-speed steel taps for cutting threads in 8.61 mm (0.339 in.) deep straight reamed holes to gage line. Sulfurized oil was used as cutting fluid. More
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Published: 01 January 1989
Fig. 44 Schematic of a cast iron transmission pump cover (a) in which eight holes were drilled at an angle and one hole was drilled and reamed vertically using a ten-station rotary index transfer machine (b). Workpiece is being rotated 90° between stations with R designation to ensure More