DESCRIPTION
The tumbling drum OB 850 is a machine designed for mechanical cleaning, degreasing and polishing of nails of 2.5 mm dia or bigger, or for processing of similar products. The products are processed in fine wooden sawdust. The machine does not require continual supervision of the operator, as the time relay would stop the machine after the preset optimal processing time. The sawdust and the other impurities can be vacuum-separated from the products during the tumbling process, so that the finished products are poured out into a suitable container located below the drum.

The drum has two rotating modes - the conti-nual-operation mode, controlled by the time relay and the stepping mode, when the drum rotates only at depressed push button at the control panel. This mode allows to stop the drum in any desired position. The drum design allows to exchange the sieves in dependence on size of the processed parts. Inside of the drum suits to vacuum-separation of the sawdust and metal flashes (the wings, etc.). The filling equipment and the vacuum equipment are not a part of the delivery.

TECHNICAL DATA
Max. weight of charge	500 kg
Min. dia of processed items	2,5 mm
Operational speed of drum	27 RPM
Delay range of time relay	from 9 min. to 3 hours
Electric transmission	400/220 V, 50 Hz
Input	4 kW
Recommended output of external vacuum equipment	approx. 1400 cum. per hour
Informative noise level	85 dB
Recommended size of pour-out containers	1200 x 800 x 450 mm
Drum dimensions:
Length incl. switchboard	2260 mm
Width incl. access steps	2790 mm
Height incl. safety railing	1990 mm
Height of feed opening	1680 mm
Inner dia of vacuum flange	108 mm
Shipping dimensions:
Length	2125 mm
Width	2300 mm
Height	1995 mm
Weight	1755 kg