Overview
This API Compliant Pipe Bucking Equipment is custom-designed for high-precision make-up and breakout of casings, tubings, drill pipes and premium threaded OCTG couplings. Widely applied in pipe manufacturers, OCTG finishing workshops and downhole tool maintenance yards, it fully meets the torque specifications specified in API 5CT and API 7K industry standards.
Two installation options are available: fixed floor-mounted version and split portable version, covering a wide diameter range from small-bore tubing to large-diameter heavy-wall casing. Three optional core clamping structures can be selected: wedge roller clamping, full rotary hydraulic clamping and planetary jaw clamping. They are fully compatible with standard round threads, as well as high-performance gas-tight premium connections including VAM, Hydril and other proprietary special threads.
Driven by a closed-loop hydraulic system and integrated with a PLC+HMI intelligent control system, the unit enables real-time automatic monitoring of torque, rotation turns and angular displacement throughout the entire thread make-up and breakout process. All test data is automatically logged and saved in the local database, delivering full production traceability and permanent quality record archiving.
It supports three operation modes: manual, semi-automatic and fully automatic, flexibly catering to ad-hoc maintenance work as well as high-volume continuous mass production on dedicated production lines.
Equipment Composition
Main Mechanical Structure
- Heavy-duty base frame: available in stationary floor-mounted type and split portable type for flexible installation scenarios
- Rotary spindle assembly & main drive head
- Multiple optional clamping assemblies: wedge roller clamping unit, full rotary hydraulic clamping unit, planetary jaw clamping unit
- Travelling carriage and longitudinal sliding feed mechanism
- Inlet and outlet pipe support roller stands
- Full-enclosure safety protective cover
Hydraulic System
- Centralized hydraulic power pack
- Hydraulic cylinders for clamping, feeding and material pushing functions
- Closed-loop proportional control valves for precise torque adjustment
- Hydraulic oil tank, heat exchanger, oil filtration units and complete connection piping
Torque Testing & Real-Time Detection System
- High-accuracy torque transducer
- Rotary revolution and angle encoder
- Pressure monitoring sensors & displacement monitoring sensors
Drive and Transmission Unit
- Hydraulic motor matched with reduction gearbox assembly
- Torque feedback transmission mechanism
- Positioning brake assembly
Electrical Control System
- PLC control cabinet
- HMI touchscreen operation interface
- Embedded data acquisition & logging module to realize full production traceability
- Travel limit switches, emergency stop pushbuttons and safety interlock protection devices
Auxiliary Functional Components
- Centralized automatic grease lubrication system
- Cable trunking system and insulated protective wiring ducts
Our Advantages
- Precise torque & angle closed-loop control, ensures API standard qualified threaded connection for OCTG casing and tubing
- Large clamping range, compatible with various OCTG pipe sizes, grades and thread types
- Stable hydraulic driving system, effectively avoids thread galling, deformation and damage during make-up
- Automatic pipe centering device, solves pipe bending deviation, guarantees coaxiality of threaded joints
- Human-machine touch screen operation, stores multiple make-up parameters for quick model switching
- Heavy-duty rigid frame structure, long service life, low failure rate and easy daily maintenance
- Real-time data recording and printing function, traceable bucking records for quality inspection
- High bucking efficiency, perfectly matched with OCTG heat treatment & threading production line
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