OTC DAIHEN CMAW-7402 Dedicated Aluminum Wire Feeder System
The OTC DAIHEN CMAW-7402 is a flagship dedicated aluminum wire feeder designed to maximize the performance of OTC’s digital pulse welding power sources (P400, P400L, P500, P500L). Engineered from the ground up to handle delicate aluminum and aluminum-magnesium wires, it features a specialized 4-roll drive assembly with diamond-polished U-grooves and Teflon intermediate guides. Combined with optical encoder feedback, it eliminates wire shaving, feed pulsation, and burn-backs, producing pristine, aesthetically perfect ripple beads in aerospace, EV battery, and high-speed train manufacturing.
⚙️ Core Technical Specifications & Drive Roll Matrix
| Specification Parameter | Parameter Details |
|---|---|
| Model | CMAW-7402 |
| Compatible Power Source | OTC P400 / P400L / P500 / P500L Pulse Series |
| Wire Material | Aluminum & Alloy Wire (Pure Al / AlMg / AlSi) |
| Supported Wire Diameters | 1.2 / 1.4 / 1.6 mm |
| Wire Feed Speed Range | 2.0 ~ 20 m/min |
| Wire Spool Specification | Max. 25 kg / Shaft Ø 50 mm |
| Total Net Weight | Approx. 12 kg |
🔧 Engineering & Operational Guide
- Pristine Wire Hygiene: Aluminum wire is highly sensitive to grease and moisture. Always store wire spools inside the sealed CMAW-7402 housing and use clean gloves when threading wire through the feed rolls.
- Drive Roll Tension Alignment: Set the tension arm just tight enough to push the wire through the Teflon liner. Excessive clamping force flakes off aluminum powder, which will jam the contact tip within hours.
- Pulse Parameter Tuning: Match the feeder with OTC’s dedicated aluminum pulse synergic lines on the P400/P500 interface to ensure the wire feed speed synchronizes perfectly with background pulse currents.
📞 Contact for Global B2B Pricing & Technical Support
Anhui Oujie Automation Technology Co., Ltd. is your authorized supplier for genuine OTC DAIHEN industrial wire feeders, welding power sources, and robotic systems. We guarantee 100% authentic equipment for your production lines.
⚡ Fast global shipping. Genuine guarantee. Professional automation support included.










