Top Drive Top Drive For Turntable Rigs SolidWorks
Top drive technology is one of the major changes (hydraulic disc brake, hydraulic drilling pump, AC variable frequency drive, etc.) since the introduction of rotary drilling rigs. Since the top drive system (TDS, top drive) developed by Varco in December 1981, top drive has been gradually adopted by the oil drilling community around the world.
Specification: Top Drive Top Drive For Turntable Rigs SolidWorks
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