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Specifications

▋This kind of drawworks is available in three models
JC40   JC50  JC70
Model Description
 1. “JC”denotes drawworks.
 2. “70”means the depth to be drilled is 7000m using 4 1/2″drill pipe.
 
▋On the drum there is a spiral groove. The low-speed & high-speed ends of drum shaft are equipped with a ventilating air clutch. The brake rim (or disc) is water cooled and the surface is intermediate frequency quenched, which provides long service life.
▋Either band or disc brake system is considered as main brake and auxiliary brake as eddy current brake (water or air cooled). 
MECHANICAL DRIVEN DRAWWORKS
 
▋This kind of drawworks is available in three models
JC40   JC50  JC70
Model Description
 1. “JC”denotes drawworks.
 2. “70”means the depth to be drilled is 7000m using 4 1/2″drill pipe.
 
▋On the drum there is a spiral groove. The low-speed & high-speed ends of drum shaft are equipped with a ventilating air clutch. The brake rim (or disc) is water cooled and the surface is intermediate frequency quenched, which provides long service life.
▋Either band or disc brake system is considered as main brake and auxiliary brake as eddy current brake (water or air cooled).