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Car Door Roll Spot Seam Welder
Car door inverter roll welding machine
Dimension (unit: mm)
Item Height Length Width
Size 2900 2000 1550
Parameter
Item Parameter
Rated capacity (KVA) 660
Power supply (V/φ/HZ) 380/ 3 /50HZ
Primary current (A) 500
Rated duty cycle (%) 20
Secondary empty voltage (V) 10.4
Throat depth (mm) 600
Arm gap (mm) 550
Cylinder stroke (mm) 80-200 (adjustable)
Electrode dimension (mm) Φ440*15
Workpiece dimension (mm) Any length of car door, spot pitch≥25mm
Welding capacity (mm) 1.1+1.1+1.1 cold-rolled sheet and Single side galvanized sheet;1.5+1.5 stainless steel, welding spot≥4mm
Welding speed (m/min) ≥10
Max. working pressure (kgf ) 1000
Compressed air pressure (MPa) 0.6~0.7
Compressed air consumption (0.4MPa air pressure, stroke: 30mm) (L/ welding spot) 5.84
Cooling water consumption (L/MIN) 24
Primary cable specification (MM2) 3*70+2*16
Max. short cut current of transformer (KA) 85

Feature of car door inverter roll welding machine
1. The roll welding machine comes installed with a Heron 660KVA medium frequency DC power supply.
2. Heron conductive bearing bush with high rated duty cycle for high efficiency welding operations.

Background introduction
The welding machine is specially designed for the car door inverter roll welding process. In the past, this welding process was carried out by three-phase DC power supplies, which demanded large amounts of power and produced large heat affected zones. Currently, our welding systems adopt medium frequency DC power supplies and can minimize power consumption by 30% while improving the overall quality of the weld and creating a smaller heat affected zone.

Car window glass lifter welding machine
Dimension (unit: mm)
Item Height Length Width Volume
Size 2077 1670 1622 5.4 CBM
Main technical parameter
Item Parameter
Rated Capacity (J) 12000
Power Supply (V/φ/HZ) 380 V/ 3 Phrase /50Hz
Primary Current(A) 40
Duty cycle (%) 50
Secondary Empty Voltage (V) 10/12
Secondary voltage adjustment Level 2
Throat Depth (mm) 300
Gap between Electrode Arm (mm) 500
Stroke of cylinder (mm) 120
Electrode Size (mm) Depend on workpiece
Workpiece Size (mm) Window lifter rail and bracket
Welding Capacity (mm) 1.2mm+1.2mm
Welding Speed (pc/min) 7 pc/min
Working Pressure (N/0.5Mpa) 10000
Compressed Air Pressure (Mpa) ≥0.6
Compressed Air Consumption(0.4MPa,Stroke 30mm) (L/ welding spot) 5.84*3
Primary Cable (MM2) 3*16+2*6
Current 58600

Feature
1. Car window glass lifter welding machines are outfitted with Heron 2X6000J capacitor discharge welding power supplies.
2. The welding system is equipped with three welding guns and a quick changing clamping system.

Background introduction
The equipment was introduced for the welding process of car window glass lifting and mounting block components. This used to be carried out by single point AC welders which were notorious for problems with multi-orientation, poor surface welds, zinc coating burnout, plating issue, and just overall poor consistency. We have begun to use capacitor discharge welding with multi-head welding cylinders in order to directly weld galvanized sheet after clamping. The zinc coating layer will not burn out following welding. It also results in high positional accuracy and improves production efficiency with great effects.

Car door center pillar medium frequency spot welding machine
Dimension (unit: mm)
Item Height Length Width
Size 2370 2420 1300
Main welding parameter
Item Parameter
Rated capacity (KVA) 55*3
Power supply (V/¢/HZ) 380/ 3 /50
Primary current (A) 63
Rated duty cycle (%) 20
Secondary empty voltage (V) 10.4
Arm gap (mm) 150
Cylinder stroke (mm) Double-stroke 75*75
Welding speed (s/piece) 15
Max. working pressure (kgf) 156
Compressed air pressure (MPa) 0.6~0.7
Compressed air consumption (0.5MPa air pressure, stroke 60mm) (L/ welding spot) 3.56
Cooling water consumption (L/MIN) 12
Driving motor power (KW) 1.3,1
Primary cable specification (MM2) 3*16+2*6
Max. short cut current of transformer (KA) 18

Feature
1. The welding machine is equipped with three sets of welding units and they are designed to move in Y axial direction and the workpiece is fixed by a clamping system which can move in the X axial direction.
2. The entire machine is controlled by an X axial and Y axial motor system that can be programmed for automatic operation.
3. The welding machine features a quickly replaceable work fixture and replacement work can be finished within 10 min.

Background introduction
The equipment is mainly designed for the multipoint welding process of car doors and car pillars. This is a significant improvement over older robotic single spot welding machines through efficiency and quality advances.