Development and validation of an automatic recording microcontroller-based pendulum impact cutter


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Authors

  • ABHISHEK PATEL ICAR-Central Institute of Agricultural Engineering, Bhopal, Madhya Pradesh 462 038, India
  • KRISHNA PRATAP SINGH ICAR-Central Institute of Agricultural Engineering, Bhopal, Madhya Pradesh
  • AJAY KUMAR ROUL ICAR-Central Institute of Agricultural Engineering, Bhopal, Madhya Pradesh
  • AMAN MAHORE ICAR-Central Institute of Agricultural Engineering, Bhopal, Madhya Pradesh 462 038, India
  • ROHIT DILIP NALAWADE ICAR-Central Institute of Agricultural Engineering, Bhopal, Madhya Pradesh 462 038, India
  • AVESH KUMAR SINGH ICAR-Central Institute of Agricultural Engineering, Bhopal, Madhya Pradesh 462 038, India

https://doi.org/10.56093/ijas.v93i12.141548

Keywords:

Approach angle, Micro controller, Mechanical property, Rice straw, Shear angle, SMS serrated blade

Abstract

Knowledge of rice straw bunch in respect of cutting energy is the important factor for optimization of cutting elements in straw chopping system. A micro controller-based pendulum impact cutter was developed during 2019–21 at the ICAR-Central Institute of Agricultural Engineering, Bhopal, Madhya Pradesh. The system was integrated with load cell, adjustable pendulum arm and adjustable shear and approach angle (0–30 degree) during the cutting experiment. In this study, straw bunch cutting energy at the lowest point of Node 3 was examined which is just above the ground surface. Three type of blades SMS serrated, cutter bar and SMS plain blade were used to determine cutting energy. In order to determine the cutting energy requirement of straw bunch, the mechanical and physical properties of straw were determined. The results represent that the cutting force was significantly affected by blade type, shear angle and approach angle. The minimum cutting energy for SMS serrated, cutter bar and SMS plain blade was registered as 120, 189 and 243 J, respectively among all combinations of shear and approach angle. Developed recording type pendulum impact cutter was compared with the traditional method at selected combination of shear and approach angle for all the three blades and the relative error was recorded between 4–6%. It was concluded that with increasing approach angle at constant shear angle the cutting force initially decreased up to 20 degree and rapid increase from 20 to 30 degree of approach angle. Consequently, the SMS serrated blade emerges as the preferred choice for the rotary impact cutter development, showcasing the potential of this research in advancing straw chopping technology.

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References

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Submitted

2023-08-28

Published

2023-12-19

Issue

Section

Articles

How to Cite

PATEL, A. ., SINGH, K. P. ., ROUL, A. K. ., MAHORE, A. ., NALAWADE, R. D. ., & SINGH, A. K. . (2023). Development and validation of an automatic recording microcontroller-based pendulum impact cutter. The Indian Journal of Agricultural Sciences, 93(12), 1356–1361. https://doi.org/10.56093/ijas.v93i12.141548
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