YNJQ type

YNJQ400 bucking machine(with pull/push)

The YNJQ-400bucking machine is used for making up & break out the pipes, casings and downhole tools.

  • Model: YNJQ400
  • Application:
  • Max.pre-tightening torque:
  • Max.screwing torque:

YNJQ 400 hydraulic bucking unit is a machine designed for disassembly and assembly through 360° continuous rotation and is provided with high precision torque automated test system.

This machine is mainly used for disassembly and assembly of some cylinder threaded connection parts such as casing collar, tubing collar, oil well pump collar, tool joint, packer adapter, downhole tool and drilling tools in oil field.

In addition, it is also feasible to additionally install eccentric adjustment unit, disassemble and assemble eccentric workpiece.


Basic Info.

Model:

YNJQ-400

Power tong:

360°full rotation

Bore diameter:

¢400mm

Pipe range:

2-3/8"" to 15"

Max.torque:

100,000 lb-ft

Torque accuracy:

200 lb-ft

Speed range:

0.5-5r/min

Motor power:

30Kw

Size:

6mx2.0mx2.5m

Total weight:

16t

Manufacture :

Boyu machinery

Delivery time:

45days

Connections:


API (round & BTC)and Premium connections(with or without shoulder)


Scope of supply

Item

Configuration Name

Qty.

Unit

Remarks

1

Bucking machine/

host machine

Power tong/

Headstock

1

set


Backup tong/

Tailstock

Base

2

Console

Computer torque recorder, saving records, printing curve report

1

set


3

Hydraulic Power System

Max.pressure:20MPa

flow rate:40-240L/min

1

set








Specifications of the bucking machine YNJQ400

1) ModelYNJQ-400

2) Bore diameter400mm

3) Centre hight1373mm

4) Apllication2-3/8"" to 15"

5) Speed range:

It takes double pump air-cooled hydraulic power, manual stepless speed control the rotary speed, rotating head speed is :0.5-5r/min

6) Make –up torque

a) Max. torque

The Max. make-up/break out torque is80KN.m@ 20Mpa pressure

b) Torque display

The computer can display, record and control the torque and turns.

7) Control mode

PLC+15” tablet PCoperation with buttons. And the machine will stop automatically reaching the setting torque.

8) Torque accuracy200 ft-lbs

9) Dies marks according to API, and no damage for the workpiece accuracy

Normal Die marks by YNJQ type bucking machine 

2-3/8’’ to 2-7/8’’

0.64mm

3-1/2’’ to 5-1/2’’

0.76mm

6-5/8’’

1.02mm

No marking dies on CRA surface by YNJQ type bucking machine

Depth of marks 0.2mm

11) Motor power30Kw

12) Hydraulic systemMax.pressure20MPaflow rate50-240L/min