Showing papers on "Gear shaping published in 2005"

Minisize mould device for precise compound forming of minisize double gears

Abstract: This invention discloses a mini die device used for precision forming mini double gears, which comprises die backer, top column, spring, slide block, cavity die 6, terrace die 16, drift guiding-sheathing, drift pin 11, spacing ring, electrical heating coil, ejector rod, up inlaid 8, up drift pin 13 and pin 7, wherein the cavity die 6 has gear shape cavity, the 8 is inserted on the upside of the 6 and has a same axial center with 6, at least two pins are set inside 6 and 8 horizontally to fix the position; 13 inserts to the center hole of 8, and its upside connects the lower surface of 11, on the lower surface of 8 has cavity 15 which has a same axial center with 6 The device can finish the gear shaping and double-gears assemblage at the same time

Heavy-duty cover for torque converter

Abstract: A heavy-duty replacement torque converter cover for an automatic transmission designed to withstand the mechanical stresses generated during the torque converter lock-up cycle and other peak torque events in diesel engine pick-up trucks is disclosed The present cover includes an internal spline that achieves up to a 70% increase in spline tooth engagement with a mating friction plate in the lock-up clutch in comparison to the original equipment cover providing increased torque capacity to the lock-up clutch This is accomplished by machining a true internal spline within the cover on gear shaping equipment instead of utilizing the so-called Grob cold forming method, which provides only a simulated internal spline comprised of interlocking embossments having substantially less torque capacity than the present internal spline The present cover also provides a thicker lock-up clutch surface, increased structural support for stud weldments, reduced stress cracking, improved heat dissipation, and increased service longevity

The Mathematical Model and Tooth Surface Deviations of Internal Conical Gears

Abstract: The internal conical gear investigated in this paper is generated by a shaping machine by inclining the shaper-arbor with respect to the gear axis. Applying the theory of gear meshing and differential geometry, the mathematical model of the internal conical gear is developed according to the gear shaping mechanism. Due to the tapered tooth thickness, the backlash of an internal conical gear pair can be easily controlled by axial adjustments without affecting its center distance. Besides, crowning effect can be observed on the generated tooth surface, which makes the bearing contact of an internal conical gear pair exhibits a point contact. The investigation shows that the tooth surface varies with the number of teeth of the shaper. Computer graphs of the internal conical gear are presented according to the developed gear mathematical model, and the tooth surface deviations due to the number of teeth of the shaper are also investigated.Copyright © 2005 by ASME

Gear shaping method with the use of adjustable complete shaping cutter

Abstract: FIELD: mechanical engineering, particularly toothed gear wheel production. ^ SUBSTANCE: method for shaping toothed gear wheels by running-in process in which pair of toothed gear wheels are brought into engagement involves imparting rotation to the first member, namely wheel to be processed, imparting rotation and reciprocation to the second member, namely round composite complete shaping cutter composed of coaxial upper and lower parts so that the parts may perform mutual rotation through an angle, may be demounted and separately regrinded to realize sharing scheme of cutting layers. The parts are mutually rotated after each regrinding operation through alpham angle determined from a given formula. alpham is defined by limb of eccentric fixing pin arranged between above parts. Two sectional washers are installed between the parts. Inner diameter of each washer is equal to seating diameter of each part. Above eccentric fixing pin is embedded in one part. Fixing pin is inserted into radial slot of another washer. Washers are glued to new, non-worn parts when teeth axes coincide one with another. ^ EFFECT: increased efficiency and stability of wheel parameters. ^ 7 dwg, 1 ex

Multifunctional automatic water saving tap

Abstract: The utility model discloses a multifunctional automatic water saving tap, composed of a main body case, a handle retainer, a handle angle adjusting device, an upper cover of the case, a gear shaping, etc. The lower part of the handle is provided with a timing device, composed of the handle retainer A, a handle angle adjusting device B, an upper cover of the case C, and a screw hole D. The handle angle adjusting device B of the timing is arranged on the outer ring of the handle retainer, the upper cover of the case C is covered on the handle angle adjusting device B, the screw hole D is arranged on the lower seat, the gear shaping is connectedly arranged between the main body case inner and the lower part of the timing device, the water outlet part of the water tap is connectedly provided with a water regulator. The multifunctional automatic water saving tap is characterized in that the length of the delay time and the size of the water rate can be regulated, and the multifunctional automatic water saving tap used and controlled freely.