Making the Design More Efficient
Written by Josh on October 20, 2008 – 4:36 am -To make the design more efficient, the disconnection of the supply unit should be done to allow hand feeding and this can be achieved by lifting the lever that is positioning the vertical lever at top LH corner. To persuade the unit to break out of the connection an additional spring should be added and it will also guarantee that the unit does not re-mesh with the major bevel gear wheel accidentally. A speed controller should also be fixed and this can be achieved by the introduction of the changeable controller.
Even though the windscreen motor does the work but still it is a bit underpowered. By raiding the older useless tools bin that contains bits from projects long gone the speed reduction difficulty can easily be solved. It is very simple to adjust and construct the reduction drive and not only this, but it also gives an additional advantage if the resulting speed has to be customized it can easily be done by just changing a gear.
To control the supply and allow the speed to be changed an old wheel chair regulator turned up mutually with a 12 volt DC (Direct Current) motor available from an ex car warmth cooling fan provides and ultimate result. All electrical switches on the supply unit must be at 12 volt and must function as a relay for switching the supply motor. The supply unit has an open/close switch and caution blinking LED (Light Emitting Diode) on the main control board. If the supply unit is positioned as occupied the red LED starts blinking thus giving visual caution that if the supply power switch is closed the supply will start operating. All these methods are fundamentally very easy, light weight and forceful. A protection must be provided by fitting the overload shear pin from the drive and thus the switch of the motor is automatically open or closed in both the cases when the method is set in gear or freed.
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