Speeder device for increasing the speed of a workpiece
AssigneeEltool Corporation
InventorJohn Young
Life of this patent
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Abstract
The present invention provides a lathe having a speeder device to increase the speed of a workpiece to be worked on by the lathe as compared to the speed of a workpiece to be worked on by the lathe without the use of the speeder device. The speeder device includes a torque arm, a means for stopping rotation of the torque arm, a planetary gearset assembly, an output spindle assembly, and a collet assembly. The means for stopping rotation of the torque rod is secured to a first end of the torque rod and the planetary gearset assembly is operatively connected to a second end of the torque rod. The output assembly is operatively connected to the planetary gear assembly, and the collet assembly holds the workpiece and is operatively connected to the spindle assembly.
Claims15
A speeder device for use on a lathe for increasing the speed of a workpiece, wherein the speeder device comprises:
- a. a torque rod;
- b. a means for stopping rotation of said torque rod secured first end of said torque rod;
- c. a planetary gearset operatively connected to a second and of said torque rod wherein said planetary gearset includes;
- i. a plurality of planet gears wherein each planet gear of the plurality of planet gears has a plurality of teeth;
- ii. a sun gear having N number of teeth, wherein N is a integer between 8 and 50;
- and
- iii. a ring gear having at least twice the number of teeth of the sun gear, wherein the plurality of teeth of each planet gear of the plurality of planet gears are in contact with the teeth of the sun gear and the teeth of the ring gear;
- d. an output spindle assembly operatively connected to the planetary gearset;
- e. and a collet assembly operatively connected to the spindle assembly, wherein the collet assembly holds the workpiece within the speeder device.
A method to increase the speed in revolutions per minute (RPM) of a workpiece to be worked on by a lathe, the method comprising the steps of:
- a. operatively securing a speeder device to the lathe, the speeder device comprising:
- i. a planetary gearset assembly, wherein the planetary gearset includes:
- 1. a plurality of planet gears wherein each planet gear of the plurality of planet gears has a plurality of teeth;
- 2. a sun gear having N number of teeth, wherein N is an integer between 8 and 50;
- and
- 3. a ring gear having at least twice the number of teeth, wherein the plurality of teeth of each planet gear of the plurality of planet gears are in contact with the teeth of the sun gear and the teeth of the ring gear
- ii. a spindle assembly operatively connected to the planetary gearset assembly;
- iii. and a collet assembly operatively connected to the spindle assembly;
- b. securing the workpiece to the collet assembly;
- c. operating the lathe at an RPM to define a lathe RPM, wherein the ring gear rotates at the lathe RPM, wherein the sun gear rotates at an RPM to define a sun gear RPM, wherein the sun gear RPM is faster than the lathe RPM by a gear rate, wherein the gear rate is determined by the number of teeth of the ring gear divided by the number of teeth of the sun gear plus 1, and wherein the sun gear is operatively connected to the workpiece such that the speed of the workpiece will be increased to the sun gear RPM.
Dependencies are inferred from the claim text.