Fig. 6 Torque transducer used to monitor in-process torque generated in tapping operations More

Fig. 19 Torque tube details. (a) Steel yoke used in torque tubes. (b) Cross section of the torque-carrying joint. (c) Behavior of a tube subjected to torque overload testing. Failure is outside the joint region. More

Fig. 49 Breakaway torque audit showing the torque breakaway point related to the installation torque More

Fig. 15 Shape of torque converter pump impeller More

Fig. 5 Torque-tension test results for H-11, 22-4-22 threaded fasteners and alloy steel FN22 locknuts, coated with ion vapor deposited (IVD) aluminum or cadmium. ○, bolt and nut with IVD aluminum and cetyl alcohol; ●, bolt with cadmium and nut with cadmium; Δ, bolt with IVD aluminum and nut More

Fig. 6 Average torque-tension data from five replicate 1 2 -20-UNC grade 5 fasteners plated with cadmium, zinc-nickel, or zinc-nickel with lubricious topcoats. ○, dry film lubricant (MIL-L-56010); ●, dry film lubricant (MIL-C-85614); Δ, organic sulfamate emulsion; ▲, aqueous More

Fig. 7 Examples of warm compacted PM parts. (a) Torque converter hub. Courtesy of Chicago Powder Metal Products. (b) Transmission output shaft hub. Courtesy of GKN Sinter Metals. (c) Hand tool parts. Courtesy of PoriteTaiwan Co. Ltd. More

Fig. 18 Lubricant-testing machine incorporating a recorder to monitor the torque data used to determine wear life of the sample journal. The instrument provides both an instantaneous readout of the torque via a digital display and a continuous permanent record of torque values during the test More

Fig. 16 Graphical determination of shear stress from torque-twist records for rate-insensitive materials. Source: Ref 56 More

Fig. 18 Experimental torque/twist curves determined in torsion on annealed electrolytic tough pitch copper. Twisted at room temperature at 0.01 turns/s. Source: Ref 59 More

Fig. 19 Torque/radius data taken from the results of Fig. 18 at θ = 35 radians. The influence of the degree of the log M versus R polynomial on the smoothing of the curve is apparent. Source: Ref 59 More

Fig. 49 Comparison of experimental and theoretical torque-twist curves for α + β (equiaxed alpha) microstructure Ti-6242Si hot torsion specimens. Tested at ε ¯ ˙ = 0.9   s − 1 ; T = 913 °C (1675 °F). Source: Ref 52 More

Fig. 50 Comparison of experimental and theoretical torque-twist curves for β (Widmanstätten alpha) microstructure Ti-6242Si hot torsion specimens. Tested at ε ¯ ˙ = 0.9   s − 1 ; T = 816 °C (1500 °F). Source: Ref 52 More

Fig. 51 Torque-twist curves for Ti-6242Si predicted from a numerical-deformation/heat-transfer simulation and measured compression flow-stress data. Results are for testing at 913 °C (1675 °F) and various average effective strain rates. Average effective strain rate = 0.6× surface effective More

Fig. 7 Variation of coefficient of friction with torque for AA5182- and F-357-type aluminum alloys. Source: Ref 46 More

Fig. 14 Effect of hardness of steel workpiece on torque More

Fig. 15 Effect of work metal, tap design, and speed on torque. Data were obtained in cutting 3 8 -16 UNC-2B threads, to 75% of full depth, through 14 mm ( 9 16 in.) stock, with high-speed steel taps (hook angle: 4° 30′), using sulfurized oil as cutting fluid. More

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

Fig. 18 Effect of method of grinding top chamfer on torque for tapping workpieces of three different metals. Speed: 18 m/min (60 sfm); other conditions, same as for Fig. 15 . More

Fig. 19 Effect of type of cutting fluid on torque required for tapping gray iron. Speed: 18 m/min (60 sfm); other conditions, same as for Fig. 15 . More