9.0 THRESHING EQUIPMENT 

 

9.1 MULTI -CROP THRESHER

 

 

Features:

 

The thresher consists of threshing cylinder, oscillating box, straw walker, and winnowing and cleaning attachment. The rasp-bar cylinder is made of cast iron rings, sheet metal and toothed racks and is fitted on the main shaft running on two numbers of heavy pedal bearings. Various pulleys of different sizes are fitted on this shaft to transmit power to winnowing and fan attachment. Adjustments for cylinder and blower speeds and concave   clearance are provided to make the machine suitable for various crops.

 

Specification:

 

Diameter of beater shaft (mm)

Length of beater shaft (mm)

Diameter of cylinder with rasp-bar (mm)

Length of the cylinder

Height of hopper from ground level (mm)

Power requirement (hp/kW)

Capacity (kg/h)

 

 

 

 

:      42

:      400

:      416 

:      560

:      500 

:      7.5/5.6, motor

:      600-1000

 

Uses:

 

Suitable for threshing paddy, ragi, jowar, maize, sunflower, wheat etc.

 Cost of Machine : Rs.1,20,000/-

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9.2 AXIAL- FLOW PADDY THRESHER

 

Features:

It consists of a spike tooth threshing cylinder, concave, cylinder casing, cleaning system and feeding chute. In axial flow concept, the crop is fed from one end and the straw is thrown out from the other end after complete threshing of crop. During threshing, the crop rotates three and half times around the cylinder and all the grains get detached. The threshing cylinder is of peg type. The casing of the thresher has 7 louvers for moving the crop axially. Two aspirator blowers and two sieves are provided for cleaning.

 

Specifications:

Length (mm)

 Width (mm)

Height(mm)

Length of feeding chute (mm)

Type of cylinder

Cylinder size, tip diameter x length(mm)

Length of concave (mm)

Width of concave (mm)

Concave clearance (mm)

Type, size and number of blowers

 

Weight (kg)

Power source (hp/kW)

 

 

:      3050

:      2030

:      1960

:      905

:      Spike tooth

:      770 x 1500 

:      840

:      570

:      18-21

:      Aspirator type, two blowers of 400

       mm diameter and 160 mm width

:      730

:      35/26.25, tractor

 

Uses:   

Used for threshing of paddy crop.

 

Cost of Machine : Rs.80,000/- 

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