Design, Construction and Evaluation of a Silage Corn Chopper Equipped with Electromotor Power Unit (Brife Report)

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Hadipiour Rokni r.; REZAEI ASL A.; TABATABAEI KOLOOR R.

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Paper Information

Journal: JOURNAL OF AGRICULTURAL MACHINERY Year:2019 | Volume:8 | Issue:2 Page(s): 463-473

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Title

Design, Construction and Evaluation of a Silage Corn Chopper Equipped with Electromotor Power Unit (Brife Report)

Author(s)

Hadipiour Rokni r. | REZAEI ASL A. | TABATABAEI KOLOOR R. | Issue Writer Certificate

Keywords

ChopperQ1

Cutting bladeQ1

Silage cornQ1

Abstract

Introduction In most small and medium-size traditional animal farms, Silage corn is chopped manually. In order to prepare appropriate Chopper for small animal production firms, a small electrical powered Chopper was designed and developed. Materials and Methods The machine consisted of different parts, including chassis, driveline, power transmission, feeding and cutting unit. To provide the power for cutting cylinder and feeding rollers, 3. 7 kW and 1. 5 kW electro-motors were selected and used, respectively. Power was transferred from electro-motors to the cutting cylinder and feeding rollers by pulley and belts. Feeding entrance area was 62. 5 cm2with theoretical capacity of 1. 13 kgs-1 and feeding unit power consumption of 0. 97 kW. The main parts of feeding and cutting units were analyzed by ANSYS Software. Silage corn was provided at harvest time from the Dashte-Naz, Sari province, and transported to laboratory, immediately. The effect of Cutting blades speed (400, 550 and 700 RPM) and feed rollers speed (350, 400 and 450 RPM) on the Chopper performance (cutting and feeding energy consumption, chopped corn length and machine capacity) were investigated. The results then analyzed using completely randomized design in triplicates. Results and Discussion Analysis of variance showed that the speed of Cutting blades, speed of feeding rollers and their interactions had significant effect (p <0. 01) on the energy consumption of Cutting blades and machine capacity. The effect of speed of feeding rollers was significant on the energy consumption of feeding rollers at 1% level of significance. Also, The effect of speed of chopping blades, speed of feeding rollers and their interactions were significant on the length of chopped corn (p <0. 01). Machine capacity increased by increasing in speed of chopping blades from 400 to 550 RPM and decreased by increasing from 550 to 700 RPM. Increasing in the speed of the blades at the moment of impact, caused to effectively cut the stem fibers before being compressed or bent. Increasing the speed beyond 550 RPM provided insufficient time for stem movement toward the blades and therefore, machine capacity decreased. By increasing the speed of feeding rollers, the consumed energy by Cutting blades decreased and the energy consumption of feeding rollers, the length of chopped corn and the machine capacity increased. Since the machine capacity is depending on time, increasing in feeding rollers speed, decreased the time for chopping the feed stems resulted decreasing in machine capacity. Also, results depicted that the interaction between speed of Cutting blades and feeding rollers had meaningful effect on the consumed energy by Cutting blades. The maximum energy consumption was at the blade speed of 700 RPM and the feeding rollers speed of 350 RPM, and the minimum energy consumption was at the blade speed of 400 RPM and feeding rollers speed of 450 RPM. The maximum and minimum length of chopped corns was obtained at the blade speed of 400 RPM and 700 RPM, respectively and correspondingly at the rollers speed of 450 RPM and 350 RPM, respectively. The maximum capacity of the machine was obtained at the blade speed of 550 RPM and rollers speed of 450 RPM. Conclusions Since the length of the chopped corn for animal feeding is 20-30 mm, the optimum speed of Cutting blades, minimum energy consumption and maximum machine capacity was obtained as 550 RPM and the optimum speed of feeding rollers was at 400 RPM. For feeding high yielding dairy cows, goats and sheeps that need smaller sized forage, it recommended that feeding rollers speed to be adjusted at 350 RPM. At the same speed, the mean length of chopped corn was 8-19 mm.

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APA: Copy

Hadipiour Rokni, r., REZAEI ASL, A., & TABATABAEI KOLOOR, R.. (2019). Design, Construction and Evaluation of a Silage Corn Chopper Equipped with Electromotor Power Unit (Brife Report). JOURNAL OF AGRICULTURAL MACHINERY, 8(2 ), 463-473. SID. https://sid.ir/paper/201406/en

Vancouver: Copy

Hadipiour Rokni r., REZAEI ASL A., TABATABAEI KOLOOR R.. Design, Construction and Evaluation of a Silage Corn Chopper Equipped with Electromotor Power Unit (Brife Report). JOURNAL OF AGRICULTURAL MACHINERY[Internet]. 2019;8(2 ):463-473. Available from: https://sid.ir/paper/201406/en

IEEE: Copy

r. Hadipiour Rokni, A. REZAEI ASL, and R. TABATABAEI KOLOOR, “Design, Construction and Evaluation of a Silage Corn Chopper Equipped with Electromotor Power Unit (Brife Report),” JOURNAL OF AGRICULTURAL MACHINERY, vol. 8, no. 2 , pp. 463–473, 2019, [Online]. Available: https://sid.ir/paper/201406/en

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