This research aims to design and build the machine from corn. The motor 2 hp speed 1400 rpm can be chopped corn stalks size after chopping up to 3 cm in size after chopping up to 1 cm cutters corn width 85 cm long, 59 cm, height 87 cm. effectiveness of the chop corn. The rate for a chop after chop up to 3 cm mass on average 242 kg per hour. Chop chop the size and rate of less than 1 cm mass on average 158 kg per hour. After chopping corn trials to determine the effectiveness of corn cutters. The material before shuffling mass of 10 kg has a piece of corn after chopping up to 3 cm mass on average 9.666 kg accounted for 96.66 percent and a piece of corn after chopping up one centimeter mass average 9.566 kg, representing a 95.66 percent
up to the end. energy consumption in the use of corn cutters eight hours per month is 123 baht per month, and a payback period of one year cutters corn is two days.
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