SUPPLY & ASSEMBLY OF A GIRTH GEAR AND PINION FOR A BALL MILL.

Parts : Ball Mill Girth gear

Sector : Lime ( France )

SUPPLY & ASSEMBLY OF A GIRTH GEAR AND PINION FOR A BALL MILL.

SERCEM INDUSTRIE is well known in the field of heavy mechanics for 50 years in the suburb of Lyons in France . 

Our customers are renowned international operators such as Lafarge- Holcim , Heidelberg, Alcoa , Rusal etc ..

They are all world leaders in the field of mining , cement & mineral chemistry .

Our know-how is the mechanical improvement of production equipment such as rotary kilns , rotary dryers , mills, crushers etc…

SERCEM INDUSTRIE supplies also spare parts for the devices here above mentioned .

As such , we present you an achievement on behalf of one of our clients who operates a limestone quarry .

This time it involves the supply and assembly of a girth gear and pinion for a ball mill.

THE SUPPLY :

A Girth gear : 174 teeth and Module 20 .

A pinion : 19 teeth and Module 20 .

Supply of the manufacturer’s file :

 – Metallurgical and mechanical characteristics

 – Non-destructive testing: hardness, UT and dimensional tests

THE ASSEMBLY

Workshop operations :

    – Checking the fitting diameter of the existing girth gear

    – Vertical lathe finishing of the fitting diameter of the new girth gear

    – Expertise of pinion bearings.

    – Assembly of the bearings on the pinion.

Dismantling on site :

    – Element position controls 

    – Removal of gangways at the top

    – Removing the girth gear housing

    – Removal of the sprocket assembly for shipment to our workshops.

    – Removal of the 2 ½ gears

Assembly on site :

    – Installation and adjustment of the pinion

    – Mounting and adjustment 

    – Re-assembly of casings and gangways.

    – Position controls

    – Commissioning checks.

    – Start-up assistance 

Kiln shell section + tyre & pads
KILN BEARING LINERS
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