MACHINERY''''''''S HANDBOOK 27th ED Part 12 pptx

... standard was revised and issued as American National Standard ANSI B1 .12- 1972. More recent research conducted by the Portsmouth Naval Shipyard has led to the current revision ASME/ANSI B1 .12- 1987 (R1998). The ... ANSI B1.11–1958 (R2001) is based on the withdrawn ASA Truncated Whitworth standard, dimensional nomenclature is described below. Machinery's Handbook 27th Edition Copyri...

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... 10.89 11.00 11.10 11.20 11.31 11.41 110 11.52 11.62 11.73 11.83 11.94 12. 04 12. 15 12. 25 12. 36 12. 46 120 12. 57 12. 67 12. 78 12. 88 12. 98 13.09 13.19 13.30 13.40 13.51 130 13.61 13.72 13.82 13.93 14.03 ... the table Critical Speed Formulas. Formulas for Single Concentrated Load Bearings supported Bearings supported Bearings fixed Bearings fixed One-fixed — One supported One...

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... 0.99491 y11 0.98146 x12 0.94758 x12 0.88302 x12 0.80711 x12 0.72700 x12 0.64738 x12 0.57116 x12 0.50000 y12 0.72287 y12 0.82139 y12 0.89457 y12 0.94550 y12 0.97779 y12 0.99491 y12 1.00000 x13 0.99787 ... y11 −0.06027 y11 +0.1 1126 y11 +0.25000 y11 +0.35355 x12 +0.25000 x12 +0.41149 x12 +0 .48746 x12 +0.49726 x12 +0.46194 y12 −0.43301 y12 −0.28403 y12 −0.1 1126 y12 +0.05226 y12 +0.19134 x13 +0...

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... grinding which may be described as through-feed, in-feed, and end-feed methods. Through-feed Method of Grinding.—The through-feed method is applied to straight cylindrical parts. The work is given ... from the edge, dressing the edge to a slight radius, or swivel- ing the regulating wheel a bit. Scored work is caused by burrs, abrasive grains, or removed material being imbedded in or fused to...

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... Fig. 24. Hemmed “S” Slip This is the modified “S” slip, by adding hem and an angle for reinforcing. The hem edge is a flat, and finished edge. Hemmed “S” slip is mostly applied with angle. ... be made for the cut-out part to be supported when it is freed from the workpiece so that it does not pinch and break the wire. EDM applied to grinding machines is termed EDG. The process uses a ......

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... E. Green, as editor emeritus, contributed much useful, well organized mate- rial to this edition. He also provided invaluable practical guidance to the editorial staff dur- ing the Handbook s compilation. Finally, ... Multiplication 120 Transpose of a Matrix 120 Determinant of a Square Matrix 121 Minors and Cofactors 121 Adjoint of a Matrix 122 Singularity and Rank of a Matrix 122 Inve...

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... occur. Diameter Reduction: The inside diameter reduces during deflection. This reduction should be computed and proper clearance provided over the supporting rod. Also, allow- ances should be considered for ... customarily furnished. Regular lay rope has less tendency to spin or untwist when placed under load and is generally selected where long ropes are employed and the loads handled are fr...

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... be supplied in one of the following conditions and surface finishes: Conditions: Hot-rolled or forged (natural); hot-rolled or forged and annealed; hot-rolled or forged and heat-treated; cold- ... and annealed. Finishes: Hot-rolled finish (scale not removed); pickled or blast-cleaned; cold-drawn; turned or machined; rough ground; centerless ground or precision flat ground; and pol- ished (rou...

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... 120 .087 119.880 0.294 120 .054 119.964 0 .125 120 .035 119.988 0.069 120 .035 120 .000 0.057 Min 120 .000 119.600 0.180 120 .000 119.793 0 .120 120 .000 119.929 0.036 120 .000 119.966 0. 012 120.000 119.978 0.000 160 Max ... 99.907 99.978 −0.093 99.854 99.978 −0.146 120 Max 120 .010 120 .000 +0.032 119.990 120 .000 +0. 012 119.976 120 .000 −0.002 119.934 120 .000 −0.044 119....

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... and bolts are furnished with a natural (as processed) finish, unplated or uncoated unless otherwise specified. Alloy steel socket head cap screws are furnished with an oiled black oxide coating ... accordance with B.S. 84. It is recommended that the B.A. stud specified in this standard be associated with holes tapped to the limits specified for nuts in B.S. 93, 1919 edition. Where fits for th...

Ngày tải lên: 11/08/2014, 10:23