Problem
Older vacuum-tube welders waste energy, drift with temperature, and respond slowly to speed changes, producing inconsistent weld strength and higher electricity cost per ton of tube.
Cause
Vacuum-tube oscillators run warm, need warm-up time, and have slow power control, so weld heat lags speed changes; this yields cold welds on acceleration and over-heated seams on deceleration, and the wasted heat raises energy cost.
Solution
The ZY16 solid-state 100kW HF welder converts grid power efficiently and responds in milliseconds, keeping the heat-affected zone tight and the weld seam consistent as speed varies. Lower power draw and instant start-up cut energy cost per meter of pipe, and the fast response removes the cold-start and over-heat defects common with tube oscillators.
Key Engineering Data
- 100kW solid-state output matched to Φ8-18mm, 0.4-1.0mm tube.
- Millisecond power response keeps weld heat aligned with line speed.
- Instant start-up removes warm-up time and cold-start defects.
- Higher conversion efficiency lowers energy cost per ton of pipe.
| Parameter | Specification |
|---|
| Mill Model | ZY16 |
| Tube OD Range | Φ8-18 mm |
| Wall Thickness | 0.4-1.0 mm |
| Strip Width Range | 25-57 mm |
| Max Line Speed | 90 m/min |
| HF Welder Power | 100 kW Solid-State High Frequency |
| Strip Material | Hot Rolled / Cold Rolled / Galvanized Steel |
| Uncoiler | Double-Mandrel Pneumatic, 1.5-Ton Coil Capacity |
| Accumulator | 200 m/min High-Speed Cage |
| Strip Leveling | Seven-Roller Leveling Unit |
| Forming Stands | 5-Stand Rough + 3-Stand Precision |
| Roller Geometry | Double-Radius Forming Rollers |
| Roller Shafts | 42CrMo High-Strength Alloy Steel |
| Safety | Forming Stand Overload Protection |
Performance & Quality
The solid-state 100kW welder converts power efficiently and responds in milliseconds, so weld heat follows the line. This removes the cold-start and over-heat defects of tube oscillators and cuts energy cost per ton, while the tight heat-affected zone improves weld strength on Φ8-18mm tube.
Application
For all Φ8-18mm HF welded pipe where weld integrity is critical, including pressure, structural and precision tube, and where energy cost is a major operating expense.
Selection Guide
Choose solid-state HF welding when you need fast start-up, low energy consumption and stable weld quality across speed changes. Confirm your tube's material and wall to size the 100kW output correctly.
Application Scenarios
Precision mechanical tube, fluid and brake line tube, structural furniture tube and any high-volume run where per-meter energy cost matters.
FAQ
Q1. What is the advantage of solid-state over vacuum-tube HF?
Solid-state welders start instantly, respond faster to speed changes and use less power, giving stable welds and lower energy cost per ton than vacuum-tube oscillators.
Q2. Is 100kW enough for Φ8-18mm tube?
Yes, 100kW is matched to the 0.4-1.0mm wall and 90m/min speed range of the ZY16, so it covers the full production window.
Q3. Does the welder adjust automatically?
Yes, weld power is linked to line speed so heat input stays constant through acceleration and steady running, removing manual power chasing.
Q4. What maintenance does a solid-state welder need?
Minimal compared to tube oscillators; it has no tube to replace or warm up, only routine cooling and electrical inspection.
Q5. How much energy does solid-state HF save?
Savings depend on duty cycle, but solid-state output typically uses measurably less power than vacuum-tube welders because it converts power more efficiently and needs no warm-up.
Q6. Is the welder water-cooled?
Yes, the solid-state HF welder and coil are water-cooled, with cooling requirements matched to the 100kW output.
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