Combine Harvesters

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Combines are used to harvest grains such as wheat, corn, soybeans and rice, So on. m.m.palitha mahinda munasinghe

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Harvester Machines & Combine Harvesters:

Harvester Machines & Combine Harvesters M.M.Palitha Mahinda Munasinghe Farm Mechanical Instructor palithamahinda@yahoo.com

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25/09/2012 mmpmm 2 Fruit Harvesting Pole & Scissors Pole with Hook Bucket Plucking by Hand Elevator Bucket

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25/09/2012 mmpmm 3 Grape Harvesting Fruit Harvesting Grape Harvester Tractor Coupled Grape harvester Papaya Harvesting

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25/09/2012 mmpmm 4 Potato Digger

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25/09/2012 mmpmm 5

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25/09/2012 mmpmm 6 Stable 3-wheel design, maneuverable and features durable polycarbonate catcher plates with adjustable pitch for maximum fruit retention Length: 5.89m Width: 3.48m Height: 3.48m Lift: 50cm Tunnel width: 1.4m Throat width: 60cm Weight: 5,897kg Coffee Harvester

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Mini Sugarcane Harvester 25/09/2012 mmpmm 7 Sugarcane Harvester 337 HP JD 4 Valve (375 Hp Optional) Can harvest up to 40 Ton/Hour of Sugarcane Complete solution to harvesting which includes base cutting, De-Topping, De-Trashing, Cutting to Billets and loading to trailer

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Three separate operations comprising Harvesting (Reaping) Threshing Winnowing—into A Single Process Combine Harvester 25/09/2012 mmpmm 8

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25/09/2012 mmpmm 9 Development of Combine Harvester Reaper Reaper Binder Threshers Reaper thresher binder (Combine Harvester) Two main types of combines are prevalent Conventional Rotary

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25/09/2012 mmpmm 10 Paddy Reaper Overall Dimensions :(L×W×H) 2390x1470x900mm Cutting width 120cm Weight 116kg Working capacity 3-4hr/ha(1.2-1.6hr/acre) Engine type Air-cooled;4-stroke;OHV;single cylinder Displacement 163cc Maximum Power Output (5.5HP)4.1kw Rated Power Output (4.0HP)3.0kw Starting System Recoil/Electric Cone Reaper & Thresher

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25/09/2012 mmpmm 11 Self propelled Type Tractor Mounted Type Combine Harvester Further Classified As Wheel Type Crawler Type

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1 Reel 2 Cutter bar 3 Header auger 4 Grain conveyor 5 Stone trap 6 Threshing drum 7 Concave 8 Straw walker 9 Grain pan 10 Fan 11 Top Adjustable sieve 12 Bottom sieve 13 Tailings conveyor 14 Re-threshing of tailings 15 Grain auger 16 Grain tank 17 Straw chopper 18 Driver's cab 19 Engine 20 Unloading auger 21 Impeller Conventional combine harvester 25/09/2012 mmpmm 12

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Soybean Combine Harvester Cutting width 1870/1950mm Feed 1.5kg/s Productivity 0.2-0.5hectare/h Best Ridge Distance 65mm 25/09/2012 mmpmm 13 Use of automatic profile floating cutter to ensure lowest harvesting height and adapt to the different landform Rasp-bar cylinder and spike tooth cylinder to gain much better threshing effect Use of re-threshing device obtains low loss rate and high cleanliness To higher purity and loss rate, adopt double louver sieves with adjustable opening Reclaim stem and skin separately, be used for feed, more systematic To control the loss rate effectively with the centrifugal fan and changeable wind speed

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Center distance(mm) 1000 Ground pressure(kpa) 21.1 Ground clearance(mm) 240 Cutting Width (mm) 1500 Cutting Rows 4 Crop height(mm) 650-1300 Cutting bar lifting way Hydraulic Sleeping paddy adoptability Reaping follow ≤85°, Reaping against≤75° Threshing drum type Axle flow type Threshing drum Dia. * Length (mm) 424x800 Threshing drum Rotation 510 Cleaning system Air-blower + shacking sieve Straw handling Lay-flat / crush (50-60mm) Blade type Round blade Small grain tank (0.3cbm) Bagging rice Big grain tank (0.7CBM) Unloading auger Working efficiency(hectare/hour) 0.2-0.4 Half Feeding Paddy Combine Harvester 25/09/2012 mmpmm 14 Feeding depth adjustable, Load display and automatic alarming functions It adopts hydraulic step less speed-change plus three-range transmission Rubber track size: 400*90*46 Suspension type wheel train with combination seal system Interval of mesh screen for straw and wind strength for cleaning is adjustable Equipped with straw cutting, tiling, and stacking device

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Full Feeding Paddy Combine Harvester Drive Train Track Size(mm) 90x46x400 Track Center(mm ) 1030 Min. ground clearance(mm) 245 Harvesting Cutting width(mm) 2000 Feeding capacity(t/h) 7.2 Cutting Bar Lift Hydraulic Control Threshing Threshing Type Axial flow type with Beat bars Feeding Cylinder(mm) 550x648.5 Threshing Cylinder(mm) 550x1295 Filtrate Type Vibrating-Sieves+ centrifugal fan Discharging Side Grain Tank 0.3 M 3 , Manual Type Centered Grain Tank 0.8 M 3 , Automatic Type Operation efficiency 0.25-0.47 ha./h Crop Rice, Wheat, Rapeseed 25/09/2012 mmpmm 15 New design of Tension Frame, avoiding belt being broken and track slip Larger Feeding Bridge with bigger feeding capacity Double threshing Cylinders make the grain cleaner and less loss Down-forward outlet for straws with Shredding Mechanism to get straw pieces back to field

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Corn Combine Harvester Picking Mechanism Type Picking plate + cutting roller Harvesting Rows 4 Applicable Row Width mm 480~580 Power kW 90.5~92 Engine speed r/min 2400 Theoretical Travel Speed km/h Ⅰgear 1.55 ~3.45 Ⅱgear 3.43 ~7.61 Ⅲgear 9.25 ~20.51 Reverse gear 3.62 ~8.03 Pure work productivity h㎡/h 0.33~0.58 Grain Tank Volume ㎡ 2.5 Stalk Smashing Width mm 2000 Stalk Smashing Blades Combination Type 2 curve blades + 1 straight blade in the middle 25/09/2012 mmpmm 16 ● Full hydraulic steering system for flexible and convenient control ● Equip with the 4-wheel brake system which makes it more safe ● Better adjusted conveying chain of the header, offers more reliability ● It employs steel header cover to prevent the wheat spikes from falling ● The chopping device adopts two curve blades + one straight blade in the middle

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