DC MOTOR DRIVEN DRAWWORKS
This kind of drawworks is available in four models
JC40D JC50D JC70D JC90D

ZJ70D Drawworks 

DC MOTOR DRIVEN DRAWWORKS

I.  This kind of drawworks is available in four models

JC40D        JC50D       JC70D       JC90D

Model Description:
 1. “JC”denotes drawworks.
 2. “70”means the depth to be drilled is 7000m using 4 1/2″drill pipe.
 3. “D”shows the drive mode is direct current.

II. The hydraulic disc brake is regarded as main brake. The disc brake is water or air cooled.

III. The eddy current brake (air & water cooled) is considered as an auxiliary brake. Eaton brake can also be equipped with.

IV. Air-gear-shifting structure

V Chain drive

VI Integral or Split structure