CR ROTARY GRADER

Grader Mod.CR Use
The rotary grader separates grains according to their size.
The output depends on the diameter of drum and the number of screens. The grading precision depends on the rotary drum speed and inclination.

Operation
The product enters by gravity into a cylindrical rotating drum with interchangeable perforated screens. The product passes through several sectors of screens with pre-sized holes.
The drum is inclined in relation to the slope angle of the product, which falls onto appropriate separate hoppers.
The choice of screen perforation size depends upon the dimension of product to be graded.

Construction

Cowling and drum support uprights in pressed galvanized sheet.
Mobile lateral doors fitted with handle and lock.
Perforated carbon steel plate screens.
Manual drum inclination in graduated scale.
Wooden rollers for screen cleaning.
Variable speed of rotation.

Optionals

Motorised drum inclination.
Window for product flow control.
Variable speed with inverter.
Telecamera for product flow control.
Control console.

Model	CR 3/6	CR 4/6	CR 5/6	CR 3/9	CR 4/9	CR 5/9	CR 3/12	CR 4/12	CR 5/12
Output** [t/h]	1,5	2,0	4,0	5,5	8,0	10,0	20,0	30,0	45,0
Screen sur. area [m²]	3,75	5,00	6,25	7,50	10,00	12,50	11,50	15,00	19,00
No. screen	3	4	5	3	4	5	3	4	5
Power [kW]	1,1	1,1	1,5	2,2	2,2	3,0	3,0	4,0	5,5
Length* [mm]	2865	3510	4160	3980	4830	5680	4470	5380	6290
Width* [mm]	800	800	800	1100	1100	1100	1400	1400	1400
Height* [mm]	1345	1345	1345	1800	1800	1800	2215	2215	2215
Weight empty [kg]	420	536	630	625	833	1041	1200	1450	1700
Weight full [kg]	540	640	800	790	1080	1310	1420	1750	1950
Volume [m³]	3,1	3,8	4,5	7,9	9,6	11,2	13,9	16,7	19,5

* Overall dimensions ** Grading output with barley S.W. 0,60 - 16% r.h. (2 grades - over 2,5 mm)

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Zanin F.lli s.r.l.
Viale delle industrie, 1
31032 Casale sul Sile (TV)
Italy

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