Method named for welders:
Spot(projection) welders series: DTN-P-1(2)-L
DTN: Pneumatic AC mains frequency spot(projection) welders
P: Rated capacity
1: Lower arm can not be adjustable; 2: Lower arm can be adjustable
L: Throat depth, namely arms length
Advantage & Feature:
Built with thick steel sheet machine body, this
Resistance Welding Machine resists deformation effectively during long-term operation.
Its secondary electric conduction parts adopt upper insulation structure, which prevents short current accidents triggered by scrap iron or workpieces.
The electrode moving speed is stepless adjustable, easing impacts on workpieces and cutting down operating noise for the equipment.
Equipped with microcomputer control system, the machine runs with high precision and stable performance. It can store 15 sets of welding schedules to adapt to products of various specifications, a core merit of this practical Spot Welding Machine.
The controller features automatic current compensation to maintain consistent welding quality, and supports preheating or tempering treatment for certain materials.
Fitted with water cooling transformer assembled from 15000 gauss permeability silicon steel sheets and full copper alloy core with internal water circulation, this
Resistance Spot Welding Machine boasts low impedance and high power utilization. With a 20% duty cycle, it meets demands for long-duration welding and high power output. Meanwhile, it delivers longer service life, lower noise as well as a compact and rational structure.
High-speed solenoid valve boosts welding speed, elevates overall productivity and effectively lowers production costs.
The cylinder is made of high-precision, anti-friction duralumin material. It is rust-proof with low friction and noise, and enables rapid loading, which greatly reduces weld spatter.
Stable overall quality and low failure rate extend the machine’s service life.
It is widely applicable to metal wire processing, electrical appliances manufacturing, metal plate fabrication, microelectronics and other industries.
Model
Unit
Item | DTN-25 | DTN-40 | DTN- 80-1 | DTN-100-1 | DTN-150-1 | DTN-200-1 | DTN- 80-2 | DTN-100-2 | DTN-150-2 | DTN-200-2 |
| Rated capacity | KVA | 25 | 40 | 80 | 100 | 150 | 200 | 80 | 100 | 150 | 200 |
| Primary volts. | V | 380 | 380 | 380 | 380 | 380 | 380 | 380 | 380 | 380 | 380 |
| Frequency | HZ | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Max short circuit current | KA | 15 | 18 | 28 | 33 | 38 | 43 | 28 | 33 | 38 | 43 |
| Duty cycle | % | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Max pressure | N | 3000 | 3000 | 6000 | 6000 | 12000 | 12000 | 7900 | 7900 | 12000 | 12000 |
| Operational stroke | MM | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Electrode Stroke | MM | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| Arm length and distance | MM | 350*220 | 350*220 | 350*250 | 350*250 | 350*270 | 350*270 | 400*300 | 400*300 | 400*300 | 400*300 |
| Cooling water flux | L/min | 3 | 3 | 4 | 4 | 6 | 6 | 4 | 4 | 6 | 6 |
| Max weld capacity(steel) | MM | 2+2 | 3+3 | 4+4 | 5+5 | 6+6 | 6+6 | 4+4 | 5+5 | 6+6 | 6+6 |
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