Baoji Mengtai Petroleum Machinery Co.,Ltd

Drill Rig

	Winch

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*shaft bearings all use roller bearing。bearing materials are alloy steel.
*Chain are forced lubrication.
*The high and low speed port of roller have ventilation clutch.Break disk use forced cycle water cooling,the surface are been IF quenching，good wear ability,long useful life.
*The contours of the sprocket teeth are medium frequency induction hardened. All transmission clutches are of involute spline type. *Main break use belt type or disk type.Auxilary brake have magnetic eddy current brake or EATON break.