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61 The geometry features of involute of regular polygon are analyzed. It is indicated that the involute of even regular polygon can be used as the scroll wrap.

62 The outspread principle of involute and enveloping principle of curve is applied to build the model of double involutes gear contrate profile, the veracity is verified by the data.

63 By use of rectilinear characteristic of involute cutter and according to clock and watch gear drive demands, this paper have put forward involute toothing with double pressure angles.

64 The standard involute cylinder gear is studied in this paper.

65 The moves in chess are not only manifold, but involute.

66 The involute pinion cutter grinding experiment made in the laboratory and the measuring results prove that the former calculate result is valid .

67 This paper presents a curved outline gear cutter instead of increasing angle of the involute cutter.

68 A double-disc mode instrument for measuring involute tooth profile is analyzed, which has some advantages, such as simple structure, no Abbe error caused by the stylus,[www.Sentencedict.com] etc.

69 With the tool of circle vector function, the involute helix profile with error is given, and with the media of engagement line, the error compensation mathematical model is established.

70 The parameter equation of involute tooth profile on any angular position is presented.

71 However, after shaved by shaving cutter with true involute profiles, there are the "mid-concave" phenomena on the pitch points of shaved gear tooth profiles inevitably.

72 Involute cam is an important attachment which produce involute profile in the copying gear grinder; the accuracy of which directly decide the profile accuracy of gear which is grinded.

73 This paper presents a curved outline gear shaping cutter instead of increasing angle of the pitchcirele involute gear cutter.

74 Wu Jinying is grasping steel knife to slaughter a cattle in workshop is involute arm, hand.

75 It would be timeworn if I only use Chinese element and it would be involute if I only use Europe element.

76 Acceptable metal shaving contact rollers of cycloidal gears and involute gears in shape grinding have been manufactured with this method.

77 It is used to cut involute straight column gear on gear hobbing machine.

78 During the transmission of the involute gear in mesh, the gear engagement stiffness, the load, the sliding velocity and the curvature are varying with the meshing line of the gear teeth.

79 Synchro-mechanism is the important part of a CRF(Cold Roll Forming) machine, whose synchronized accuracy will affect the pitch cumulative errors of involute spline directly.

80 The analysis of inflow flow pulsation is completed for Roots blowers with involute leaf shape.

81 To determine the internal gear pair design parameters of two-stage internal contact involute planet gear reducer all constrained conditions from machining to assembly must be satisfied.

82 Double involute gear is a kind of new typed involute gear.

83 The method is adapt to the manufacture of involute and straight bevel gear.