The following parts were fabricated for the constructions of the robot .They are explained one by one below.
WHEELS
The wheels used in the construction of robot were machine moulded plastic wheels with hollow space inside. The diameter of the wheel is 61 mm and the width of the wheel is 20 mm.
BELTS
The belts that we have used are reinforced rubber belts .Some of the remarkable characteristics are wearing resistant, high strength, waterproof, heat resistance, crack resistance, aging resistance and longer use life.
The ball bearings that support the rear wheels need to be housed in a housing that could support the ball bearings and it also provides adjustable facility so that the slack that occurs in the belt over a period of time can be adjusted .It also facilitates the easy removal of the belt are loosening it.
REAR WHEEL SHAFT
The shaft shown freely inside the ball bearing providing smooth motion .One end is threaded to connect the encoder wheel and the other end is connected to the wheel.
BALL BEARING HOUSING
The ball bearings that support the rear wheels need to be housed in a housing that could support the ball bearings and it also provides adjustable facility so that the slack that occurs in the belt over a period of time can be adjusted .It also facilitates the easy removal of the belt are loosening it.
PROVISION FOR SLACK adjustment
As the rubber belt slacks due to temperature variation and ageing a slot was milled in the robot’s body for slack adjustment which ensures that the belt stays taut at all times.
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