▋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.
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.
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).