- 1). Replace the current oil or grease in the gearing with a high viscosity synthetic oil. Synthetic oil is artificially made and therefore has less impurities than natural oil. This allows the synthetic oil to retain less heat and retain its viscosity longer. Male sure to fully drain the old oil first, the exact process while depend on the gear based object you are improving.
- 2). Replace the current gears with helical gears. Helical gears have curved teeth instead of straight teeth. This allows the gears to transmit torque more smoothly and with less vibration. By losing less energy to friction, heat and vibration, your gear will be able to operate at higher speeds. This is a long and involved process that can only be untaken by a professional machine shop, preferably one with a CNC machine.
- 3). Add on heat sinks to the outer casing of the of the gear to help get rid of thermal radiation. Heat can cause the gearing to swell and teeth improperly. In extreme cases, it can cause the ears to scrape against the inside of the housing. For most applications, simple metal fins will be sufficient to diffuse the heat into the air, however, liquid cooled heat sinks may be needed for higher temperature applications. Consult a mechanical engineer for the best option.
- 4). Lighten the object the gear-based device is worked on. The lighter the object, the less the gear has to work to move and the higher speed it can achieve. This can be accomplished in a car by stripping out the interior trim pieces and sound proofing. In industrial applications, you can use special lightweight flywheels and aluminum instead of steel.
- 5). Increase the power of the torque input device. Increase the power of the motor by replace it with a higher capacity motor or by adding multiple motors to the drivetrain. This depends on the object you are using and your budget.
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