Subdual of stationary thresher machine for chopping resudies

 

 

 

 

 

 

 

 

 

 

   

Fig.(1-b):  Threshing drum  of stationary thresher machine. 

 A- Stationary threshing machine specifications: 

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 Misr J. Ag. Eng., July  2007 

  

                            

                                                        

 

 

508 

1-Overall dimensions: 2.25, 1.9 and 1.8 m for length, width and height 

respectively. 

2-Threshing drum: 0.95 m diam.,1.5 m len. and 4 rows,12 flail /row. 

3-Concave: 1.3m length, 1.25 m width and 0.025 m hole diameter. 

4-Feeding opening: 0.75 m length and 0.45 m width. 

5-Knives type: free knives (50 knives, 0.3 m length and 0.1 m 

thickness). 

6-Transmission system: 0.17 m driving pulley, 0.25 m driven pulley and 

0.6 m flywheel. 

7-Belt type: flat belt. 

B- Modification of Stationary  thresher machine: 

change the perforated concave sheet of 15 mm hole diameter from round 

hole to oval slots. Each slot has an area of 4 cm

2 

(2x 2 cm), 6cm

2

 (2x3 

cm), 8 cm

2 

(2 x 4 cm) and change concave clearance from 3mm to 3 , 4 

and 5 cm.