Schematic of the chainplate ginkgo nut sheller.

1. Positioning shaft Ⅰ. 2. Adjusting handle Ⅰ. 3. Hard rolling plate. 4. Adjusting handle Ⅱ. 5. Hinge. 6. Chainplate. 7. Positioning shaft Ⅱ. 8. Flexible rolling plate. 9. Discharge guide plate Ⅰ. 10. Discharge guide plate Ⅱ. 11. Impurity removal fan. 12. Discharge guide plate Ⅲ. 13. Ground wheel. 14. Motor Ⅰ. 15. Motor Ⅱ. 16. Frame. 17. Feeding guide. 18. Feeding roller. 19. Hopper. (TIF)</p

Schematic of the shelling device.

1. Positioning shaft Ⅰ. 2. Adjusting handle Ⅰ. 3. Hard rolling plate. 4. Adjusting handle Ⅱ. 5. Hinge. 6. Chainplate. 7. Positioning shaft Ⅱ. 8. Flexible rolling plate.</p

Variance analysis of the regression equation.

Note: P P (XLSX)</p

Response surface and contour diagram of the interaction between the feeding rate and chainplate speed on the shelling rate.

(TIF)</p

Schematic of the ginkgo nut shelling process.

1. Chainplate. 2. Ginkgo nut. 3. Flexible rolling plate. 4. Ginkgo kernel. 5. Ginkgo shell. (TIF)</p

Factors and levels of response surface test.

Factors and levels of response surface test.</p

Schematic of the centrifugal fan.

1. Air outlet. 2. Air suction port. 3. Fan impeller. 4. Fan volute.</p

Schematic of the shelling device.

1. Positioning shaft Ⅰ. 2. Adjusting handle Ⅰ. 3. Hard rolling plate. 4. Adjusting handle Ⅱ. 5. Hinge. 6. Chainplate. 7. Positioning shaft Ⅱ. 8. Flexible rolling plate. (TIF)</p

Response surface and contour diagram of the interaction between the chainplate speed and shelling gap on the shelling rate.

(TIF)</p

Schematic of the centrifugal fan.

1. Air outlet. 2. Air suction port. 3. Fan impeller. 4. Fan volute. (TIF)</p