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The machine is equipped with an advanced inverter-based digital control system. It can deliver a maximum secondary short-circuit current of 12.5 kA and a precise welding force of 7.7 kN. With flat or recessed specialty electrode heads, it effectively prevents weak welds and workpiece collapse, ensuring weld nugget tensile strength and consistency. The built-in intelligent HMI supports 64 preset welding parameter groups, real-time welding current waveform monitoring, and automatic fault diagnostics, allowing novices to get up to speed quickly.
| Model | DT-110 | |
|---|---|---|
| Rated Power | 110KVA | |
| Duty Cycle | 20% | |
| Diameter * Stroke | ɸ140*100mm | |
| Weld Force | 7.7 KN/0.5MPa | |
| Welding Capabilities | 3.0 mm + 3.0 mm — Cold-rolled Steel | |
| 1.5 mm + 1.5 mm — Galvanized Steel | ||
| 1.0 mm + 1.0 mm — Aluminum | ||
| Gross Weight | 1102lb | |
The DT110 uses a DSP-based inverter for fast, high-precision welding control. At its core is a TI processor running at 40 MHz (40 MIPS). This 16-bit fixed-point DSP delivers tight current control and stable performance.
Key Benefits:
High Precision: Digital control removes analog drift and tolerance issues.
Fast Response: DSP enables rapid current rise and real-time regulation.
Software-Driven Flexibility: Process changes and upgrades are handled by software.
Modern Control Methods: Supports advanced control algorithms beyond classic analog schemes.
Strong Compatibility: Easier integration with other digital systems and factory automation.
Operator Experience & Management:
Intuitive HMI with monitoring, parameter settings, production statistics, and machine management.
Full system tools: I/O monitoring, panel and key tests, controller configuration, software upgrades, IO programming, factory reset, and calibration.
Real-time data: live welding current curves and recent quality records for fast analysis.
Safety & Maintenance:
Designed for safe connections: grounding, cooling water, and compressed air interfaces.
Built-in daily inspection items and maintenance schedules for reliable operation.
Pneumatic System
Upper and Lower Welding Electrodes
Foot Pedal
Pneumatic Cylinder
Control Cabinet
Inverter Power Supply
The mechanical subsystem includes the machine frame, welding electrodes, pneumatic cylinders, solenoid valves, and cooling lines. These components form the physical workhead and actuation system that perform electrode movement and clamp the workpieces.
The electrical control subsystem consists of the welding transformer (or inverter power module), the control cabinet, and ancillary power electronics. This unit houses the control logic, drive electronics, and power conversion components that regulate welding current and process timing.
MFDC (Medium-Frequency Direct Current) spot welding reduces power loss during welding cycles. It enables rapid current rise within short weld times. MFDC systems also provide a stable constant-current output. These characteristics enhance energy efficiency, improve weld consistency, and facilitate reliable nugget formation with minimized heat-affected zones.
1. Primary Role
The electrode head is the direct executor of welding current and force. It transmits the machine’s output current and welding pressure into the workpiece. It is a component for ensuring spot/projection weld quality.
2. Key Specifications
1. Primary Role
The cooling water circuit is the welder’s thermal management hub. It forces heat removal from heat-generating components such as the welding transformer, electrode heads, and inverter. This prevents overheating and enables continuous operation.
2. Key Specifications
1. Primary Role
The pneumatic system supplies the actuation force for electrode pressing. It drives the cylinder through the press cycle (pre-press → weld → return).
2. Key Specifications
Live footage of the entire welding process: Close-up shots of carbon steel and stainless steel welding, with full, cold-weld-free weld spots, flat and undistorted workpieces—there’s even no spatter on the edges of workpieces after welding. What’s more, you can intuitively see the one-click switch between spot welding and projection welding—no need to stop the machine for parameter adjustments; just click the on-screen button to switch modes in seconds, and start welding right away after switching for maximum efficiency! Wondering if it will weld your workpieces this smoothly? Click to watch the real test video, and you’ll get the answer after viewing→
Your questions about our spot welding machines, answered by our experts.
It is compatible with common sheet metal materials such as carbon steel, stainless steel, and aluminum alloy. Welding thickness range: carbon steel ≤8mm, stainless steel ≤6mm, aluminum alloy ≤5mm. It fully supports projection welding scenarios; when matched with a dedicated grooved electrode tip, it can accurately position workpiece projections and ensure projection welding strength (e.g., projection welding of new energy battery modules, nut projection welding of electrical cabinets).
Three core preparations must be completed:
① Water circuit connection: Connect clean water at 0-30℃ (flow rate ≥8L/min) and test at 0.6MPa pressure for 10 minutes with no leakage.
② Air circuit inspection: Adjust the air compressor pressure to 0.6-0.8MPa and drain condensed water from the air circuit.
③ Parameter preset: Select the welding specifications corresponding to the workpiece on the operation interface (supports 64 groups of presets), and confirm that parameters such as “pre-press time, welding current, and dwell time” match the workpiece requirements (beginners can refer to the default values in the “Welding Parameter Record Form” in the manual).
You can directly select the “Spot Welding/Projection Welding” mode in the “Function Parameters” on the device operation interface (no complicated adjustments required). The electrode tip must be replaced according to the mode: use a flat-end electrode tip for spot welding, and a dedicated grooved electrode tip for projection welding (needs to be individually adapted to the workpiece projection size). Turn off the control box power supply before replacement to prevent accidental movement of the electrode.
Dressing cycle: For thin steel plates (≤3mm), dress once every 500-800 welds; for thick steel plates (≥5mm), dress once every 300-500 welds. Replace the electrode tip when its end wear exceeds 0.5mm, cracks appear, or electrical conductivity is poor. During dressing, turn off the power supply and use a special grinding wheel to smooth the end (maintain end flatness to avoid uneven current distribution at the weld spot).
No weld spots or cold welding: Check the electrode tip surface, cooling system and air pressure.Abnormal current: Inspect the inverter and cable connections.Abnormal cylinder movement: Check the air supply and solenoid valve.
With 14 years of extensive experience in sheet metal processing, Inserter is your trusted partner. Should you have any questions about our products, we are always ready to assist you.
