DZN-250 improve the secondary circuit inductance value medium frequency spot welding Machine

Controlled via a touchscreen, the DZN-250 improve the secondary circuit inductance value medium frequency spot welding Machine boasts a display that not only indicates the welding current but also promptly alerts users to any faults or errors. The control system effectively boosts the voltage frequency to 1000HZ, mirrored by an equivalent increase in transformer frequency, enhancing the secondary loop inductance. This enhancement makes it ideally suited for welding thicker materials and highly conductive metals, including aluminum and galvanized steel. Due to its versatility, this machine finds extensive application in various sectors such as new energy vehicles, home appliances, and construction.

Model		Unit	DZN-250KW
Rated power		KVA	250
Input voltage		V	380
Rated load duration		%	50
Maximum short circuit current		KV	60
Electrode voltage		N	1200
Maximum pressure		N	10000
Cylinder stroke		mm	100
Maximum welding capacity	Low carbon steel	mm	5+5
Maximum welding capacity	Aluminum plate	mm	4+4
Electrode size	Electrode arm	mm	Ф70
	Electrode holder	mm	Ф30
	Electrode head	mm	Ф20
Cooling water flow		L/min	6

The DZN-250 Improve The Secondary Circuit Inductance Value Medium Frequency Spot Welding Machine is a medium-frequency spot welder engineered for high-conductivity metals and thicker workpieces. Controlled via a touchscreen interface, the system raises the operating frequency to 1000 Hz and matches transformer frequency accordingly to increase the secondary-loop inductance. This electrical design improves heat distribution and weld stability, making the DZN-250 well suited for industries such as new energy vehicles, home appliances, and construction.

Detailed Description — Features & Advantages

User Interface & Control
- Touchscreen control with clear display of real-time welding current and status.
- Fault and error alerts shown promptly on the screen for faster troubleshooting.
Electrical & Welding Performance
- 1000 Hz voltage conversion and corresponding transformer frequency increase to enhance secondary circuit inductance.
- Improved inductance yields deeper, more consistent weld nuggets and better penetration on thicker materials.
- Optimized for highly conductive metals such as aluminum and galvanized steel.
Material & Thickness Capability
- Designed to reliably weld thick workpieces that challenge conventional low-frequency spot welders.
- Reduced spatter and more uniform welds on dissimilar or coated metals.
Reliability & Diagnostics
- Integrated monitoring displays welding current and fault conditions, enabling predictive maintenance and reducing downtime.
- Robust transformer and control electronics built for continuous industrial operation.
Applications
- Widely applicable to battery packs and structural parts in new energy vehicles, metal housings and frames in home appliances, and structural components in construction equipment.
Operational Advantages
- Faster cycle stability on repeat welds due to controlled high-frequency drive.
- Enhanced weld quality reduces rework and improves production yield.

Comparison Table — DZN Series (Representative Models)

Model	Frequency Approach	Secondary Inductance Effect	Best for Material Types	Control Interface	Typical Application Areas	Notes
DZN-250	Converts to 1000 Hz with matched transformer frequency	Significant increase — optimized for thick, high-conductivity parts	Aluminum, galvanized steel, thicker sheets	Touchscreen; current display; fault alerts	New energy vehicles, home appliances, construction	Highest inductance improvement in series for heavier-duty welding
DZN-200	Medium-frequency conversion (1000 Hz design)	High — improved penetration vs. standard units	Conductive metals including aluminum	Touchscreen; diagnostics	Automotive components, appliance panels	Balanced performance for mid-to-heavy duty use
DZN-160	Medium-frequency conversion	Moderate-to-high inductance improvement	Thicker workpieces, conductive metals	Touchscreen; current readout	Appliance manufacturing, structural assemblies	Good for thicker sheet welding with high conductivity
DZN-100	1000 Hz capable	Noticeable inductance improvement	General conductive metals, moderate thickness	Touch-enabled control	General spot welding applications	Cost-effective for lighter heavy-duty tasks
DZN-50	1000 Hz on compact platform	Lower absolute inductance uplift (smaller transformer)	Thin to medium sheets, conductive metals	Touchscreen	Light manufacturing, prototyping	Compact option for smaller production lines