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The PRECISION's, TI 05T Tumbler Tester for iron oxide lump cores, sinters, and pellets consists of a cylindrical drum constructed of mild steel plate. The two circular sides of the drum have two stub axles attached through two circular flanges. The axles are held in two double-row self-aligning ball bearings with the common axis of the axles located in a horizontal plane. The drum is rotated about its axis at the specified speed with the help of an electric motor, worm reduction gearbox, and Vbelt / pulley arrangement. A pre-set type digital counter is provided to record the number of rotations of the drum and toautomatically stop the motor after a set number of rotations. The bearings on which the drum is pivoted are supported on a heavy-duty fabricated metal frame made from mild steel sections. The motor and worm reduction gearbox are also mounted on the same frame to give a single composite unit. A sheet metal hop- per is provided below the drum to collect the material coming out when the drum is rotated with the door removed. The hopper has a square opening to enable the collected material to be removed. A removable stainless steel tray is provided to collect the material from the drum.
FEATURE:-
- Dimensions of drum W 500 mm x L 1000 mm
- Thickness of drum sheet 5 to 6 mm
- Motor 3 HP
- Gear Box Gears with 1:60 Ratio
- Shaft Hardened SS material
- Speed of rotation of drum 25 +/- 1 RPM
- Counter 6 Digit Electronic counter
- Dimensions of lifters 50 x 50 x 5 mm thick
- Control Panel Digital Time , RPM Control
- Programmer PLC /Microcontroller
- Structure MS Channels & Angles
- RPM 8 minutes : 200 Rotation (1 minute : 25 Rotation)
Ref. Standard - IS : 6495 - 1994
Precision Tumbler index Test Apparatus for Iron Ore Pellets
Study of Reduction Behaviour Of Iron Ore Lumps
with Tumbler Index Apparatus
The Tumbler Index is a relative measure of the resistance of the material to breakage or degradation by impact. (ii) Abrasion Index: It is a relative measure the degradation of iron ore by abrasion. The Tumbler Index and Aibrasion Index are determined in a tumbler test apparatus as per the Bureau of Indian Standard No. IS:6495 .