Spot Welding Machine for Oil Filled Heaters
4 month ago
Product details
Automatic Mechanical Multi Head Circular Spot Welding Machine
As a professional Resistance Spot Welding Machine dedicated to the welding processing of Oil filled heaters, the multiple spot welding machine for Oil filled heater is a resistance welding equipment featuring reliable, efficient and cost-effective welding performance. It adopts the microcomputer control, uses the silicon controlled rectifier (SCR) as the phase switch, uses the high-performance elements, which ensures a stable welding quality, and overheating, air pressure, water pressure, operating errors and faults and other protective and warning functions are needed.
This dedicated Spot Welding Machine for Oil filled heater is composed of the mechanical unit, the pneumatic unit, the water cooling unit and the electrical unit.
The mechanical unit is the main unit of the equipment, which comprises the mainframe, the upper and lower welding heads, drive members, workpiece alignment members, unloading rack, transformers and other components.
The pneumatic unit is the air supply system of equipment action, which comprises the pneumatic FRL, pressure regulator, pressure switch, solenoid valve, flow limit valve, muffler, actuating cylinder, gas tank and other components. It mainly completes the movement of each actuating cylinder in the drive apparatus.
The water cooling system is the cooling system for welding and operating process. It is responsible for the cooling of SCR, welding transformer and welding head. The water cooling system mainly comprises the water pressure switch, water pipes, water filter, water diverter, water flow display and other components.
Serving as the core power and control support of this set of equipment, the matched electrical unit belongs to the key configuration of industrial Automatic Welding Machine and is the electrical apparatus of the equipment. It comprises the control cabinet, electrical parts, welding transformer and other components. It mainly achieves the power supply, detection, control and welding for the apparatus. The control unit acts as the command center of the equipment, which comprises PLC, touch screen, servo drive, welding controller and other main components.
| NO. | Model Name | Material (Thickness: 0.55mm) | Dimensions/L*W*T (mm) | Weight/kg | Option (Tick "√") |
| Oil filled heater | Cold-rolled sheet SPCE | 590*145*40.3 (at the oil pocket) | 0.815 | √ |
Fin length (A) 330 ~ 600mm
Convex hole distance (D) > 150mm
Fin width (B) < 160mm
Weldable sheet thickness (G) 0.3 ~ 0.8mm
Fin height (A) < 45mm
Spot distance (S): 35 ~ 50mm
Row distance (J): Adjustable within the width range of workpiece, weldable rows: 1~4 rows
Nugget diameter (H): Φ ± 0.5mm
Number of one-time welding spot: 8 spots * 1 row = 8 spots
Pass rate (%): ≥99 (calculated by pieces)
Technical Parameters of Equipment
- Name: The Multiple Spot Welding Machine for Oil filled heater
- Model: Non-standard
- Rated input voltage (V): 380V ±15% 3 phases
- Rated capacity (KVA): ≤128
- Duty cycle (%): 50
- Secondary no-load voltage (V): 3.85
- Secondary max. welding current (KA): 8
- Max. welding speed (seconds): ≤ 4 seconds/fin (4 rows of spot welding, 0.6mm+0.6mm, with reference to the low-carbon steel cold-rolled sheet, steel material complies with EN10130 stamping steel sheets U St grade (or no less than GB/T222 standards, carbon content: 0.05 ~ 0.12%)
- Auxiliary time (S): ≤2 seconds
- Acceptance norm of welding machine: Welding spot diameter is within 3.5 ~ 5.0mm, welding spot depth is < 0.06mm, welding spot burr ≤ 0.1mm;
- Effective electrode stroke (mm): 20
13. Required air pressure (Mpa): 0.5 ~ 0.6 (with the regulator valve and undervoltage warning shutdown enabled)
14. Controller: In Chinese display, constant current control/grid voltage compensation regulation; with the grid voltage/welding current display enabled, with the overcurrent warning shutdown enabled (set the fluctuation range, warning and shutdown is triggered if the input value exceeds the set value); 16 sets of parameters stored, directly execute the corresponding welding program by selection, the current rises slowly, control of 3 welding currents; multiple pulse setting; calculation of welding spots, pieces; setting of welding spots, pieces, automatic shutdown while calculating, maintenance and other functions enabled, hierarchic management of user permission
15. Cooling water
Required water flow (L/min): 60-80 (the flow meter and the flow warning shutdown system equipped at each waterpath)
Required water pressure (Mpa): 0.15-0.3 (the pressure display and the temperature display are equipped at water inlet and outlet, with the warning shutdown enabled)
16. Total resistance of secondary circuit (μΩ): ≤60
Configuration:
| NO. | Name | Brand/Place of Origin | Remark |
| 1 | Main cylinder, 2 sets | SMC | |
| 2 | Pneumatic components | SMC | |
| 3 | Solenoid valve | SMC | |
| 4 | PLC/Touchscreen | Mitsubishi | |
| 5 | Controller, 2 sets | Non-standard independent development | Simple upgrading available |
| 6 | Transformer, 4 sets | Epoxy resin package | |
| 7 | Proximity switch | Omron, Autonics | |
| 8 | Press button switch | Omron, Autonics | |
| 9 | Servo motor | Panasonic, Mitsubishi | |
| 10 | Bearing | THK, NSK |
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