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Design and test analysis of a rotary cutter device for root cutting of golden needle mushroom

Summary

This research presents a new high-speed cutting machine designed specifically for harvesting golden needle mushrooms. The device uses a spinning blade that cuts mushroom roots cleanly without crushing the delicate stems, making harvesting faster and more efficient. The optimized design reduces energy use by nearly a quarter while improving cut quality, offering a practical solution for large-scale mushroom farming.

Background

Golden needle mushrooms (Flammulina velutipes) are economically important crops rich in vitamins and amino acids. Current harvesting machinery suffers from poor efficiency, unsatisfactory cutting performance, and high energy consumption due to the mushroom’s flexible and brittle nature and growth in dense clusters with variable sizes.

Objective

To design and optimize a novel rotary cutter device with a slitting cutting angle for efficient root cutting of golden needle mushrooms while minimizing tissue damage and energy consumption.

Results

Optimal cutter parameters were identified: sliding cutting angle 26°, cutting edge angle 15°, thickness 2 mm. Best operational parameters: cutting speed 1400 r/min, turntable feed speed 6 r/min, cutting height 20 mm. The new design reduced cutting force by 39.4% and unit area power consumption by 24.5% while improving cut flatness.

Conclusion

The novel rotary cutter device with optimized slitting angle effectively addresses harvesting challenges of golden needle mushrooms by combining high-speed cutting with minimized tissue damage. The design provides an efficient solution for mechanized harvesting and meets practical production requirements.
  • Published in:Scientific Reports,
  • Study Type:Experimental Design and Optimization Study,
  • Source: 41136535
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