1. Main Units of Electric Welding Column and Boom:
1) The Electric Welding Manipulator, in terms of its working mode, is mainly composed of operating mechanism, control system, welding power source, and process technology guarantee unit;
2) All the motions of the Electric Welding Manipulator are powered with motor; Working speed is controlled and displayed with inverter; Working logic is controlled with electric control elements;
3) There is no hydraulic and or pneumatic system installed in Automatic Welding Column and Boom. This is the reason we name the equipment LHZ series Electric welding manipulator.
2. Operating Mechanisms of LHZ Automatic Welding Column and Boom:
This mainly consists of:
1) Mechanical Frame of Electric Weld Manipulator:
a) Fixed base bed for Stationary Welding Manipulator;
b) Traveling trolley and traveling rails for Moving Welding Manipulator;
c) Horizontal extending boom;
d) Upright erecting column;
e) Cross slides saddle and its guiding eccentric rollers;
f) Heavy duty square section precise linear guiderail for movement of Welding Column and Boom;
g) Cable drag chain;
2) Welding System in the Automatic Welding Manipulator:
a) Welding power supply, welding torch, wire feeder, welding flux recovery unit;
b) Welding torch position manipulating cross slides at the front end of boom;
c) Welding seam tracker, and welding seam oscillator;
3) Control Unit of LHZ Electric Welding Column and Boom:
a) Electric control system of LHZ automatic welding column and boom;
b) Control console of welding power supply, wire feeder, seam tracing unit respectively;
4) Power Source Unit of LHZ Electric Weld Manipulator:
A.C. Motors for driving boom vertical movement, horizontal movement, column revolve and trolley traveling respectively;
5) Transmission units of the above-mentioned Movement in the Electric Welding Column and Boom:
a) Boom Up and Down Movement of the Electric Welding Manipulator:
i. Leadscrews for transmitting light duty Electric Welding Column and Boom;
ii. Chain sprocket for transmitting medium duty Welding Column and Boom, as well as heavy duty Automatic Welding Manipulator;
b) Gear and rack for transmitting boom horizontal movement;
c) Slewing support (Cross roll bearing) for leading column revolve.
3. Process Technology Guarantee Unit of LHZ Electric Welding Manipulator:
1) Welding wire guiding mechanism;
2) Contact tube;
3) Optional seam tracing unit;
4) Optional video monitor;
5) Optional oscillator (for performing GMAW CO2 welding in the Welding Manipulator)
To adjust welding torch/wire position during running of the Electric Welding Column and Boom in precise way, for the purpose of delivering persistent high precision of welding finished product.
4. Transmission Manner of Boom Movement in the Electric Welding Column and Boom:
1) Boom vertical movement transmitted with Chain sprocket in Automatic Welding Manipulator:
For light duty Welding Manipulator sometimes it is leadscrew: (Fig.1)
a) Relative lower manufacturing cost, and reliable running;
b) Positioning precision is inferior to gear and rack. This direction of boom movement (up and down) is for adjusting boom vertical position to fit for changing diameters of workpieces of the Electric Welding Column and Boom;
c) It is fine with chain sprocket transmission for boom elevation;
2) Boom Horizontal Movement Transmitted with Gear and Rack in Automatic Welding Column and Boom:
a) The highest manufacturing cost among all options of transmission manner;
b) Reliable and smooth running of the Weld Manipulator;
c) This can get the best degree of positioning precision among all options, which is the most appropriate solution for boom horizontal movement, or welding management in the Automatic Welding Column and Boom.
5. Technical Parameters of Electric Automatic Welding Manipulator:
Electric Automatic Welding Column and Boom |
Model | LHZ 2×3 | LHZ 3×4 | LHZ 4×4 | LHZ 4×5 | LHZ 5×5 | LHZ 5×6 | LHZ 6×6 | LHZ 7×7 | LHZ 8×8 |
Boom Vertical Moving Stroke (mm) | 2000 | 3000 | 4000 | 4000 | 5000 | 5000 | 6000 | 7000 | 8000 |
Boom Horizontal Moving Stroke (mm) | 3000 | 4000 | 4000 | 5000 | 5000 | 6000 | 6000 | 7000 | 8000 |
Bed of Welding Manipulator | Stationary Base Bed / Moving type Tolley |
Column Revolve Way | Non Revolving/ Manual or Motor Drive Revolving |
Boom Vertical Speed (mm/min.) | Constant 1000 | Constant 1500 |
Boom Horizontal Speed (mm/min.) | 120 ~ 1200, Inverter | 80 ~ 1000, Inverter |
Max. Loading at Front End of Boom (kg) | 80 | 80~ 120 | 200 | 500 | 400 |
Welding Seam Tracking Range | 100 ~ 200 mm |
Welding Seam Tracking Speed | 200 ~ 250 mm/min. |
Welding Seam Tracking Precision | ± 0.25 mm |
Applicable Welding Mode | SAW/ GMAW: CO2, MIG, MAG/ TIG/ Strip Cladding |
Applicable Welding Material | Carbon steel/ Stainless Steel/ Al |
