Weldac – High‑Output Solid‑State Tub & Pipe Welders
A complete family of high‑output solid‑state induction welders for tube and pipe production, delivering high efficiency, compact design, and minimal
Shrink-Fitting System – Electrical Motors & Pumps
Induction heating is the preferred method for mounting bearings, rotors, impellers and pump components. Technology provides fast, clean and controlled heating that expands metal parts to allow easy assembly without mechanical stress or overheating.
The system delivers uniform through-heating, reducing risk of distortion, burns, or damage to precision-machined surfaces. Induction avoids open flames and contact heating, offering predictable temperature rise with full control over heating cycles, holding temperatures and ramp-up speeds.
The shrink-fitting process is compatible with a wide range of motor housings, shafts, rings and pump assemblies. Mobile Minac units or stationary Sinac systems can be used depending on workshop layout and production volume.
- • Rapid and uniform induction heating for shrink-fitting
- • Full temperature and time control for precise assembly
- • No flames, no direct contact, no risk of overheating
- • Suitable for rotors, bearings, shafts, impellers and pump parts
- • Compatible with Minac mobile systems and Sinac stationary units
- • Safe operation with water-cooled handheld inductors
- • Minimal power consumption with high heating efficiency
- • Clean, silent, low-maintenance technology
- • Faster, safer and more repeatable shrink-fitting operations
- • Eliminates mechanical stress and press-fit damage
- • Reduces downtime during motor and pump assembly
- • Protects bearing life by avoiding uneven or excessive heating
- • Improves assembly accuracy and long-term reliability
- • Lower labor cost compared to traditional heating methods
- • Shrink-fitting of electric motor bearings
- • Mounting and removal of rotors
- • Pump impeller installation
- • Fitting rings, sleeves, hubs and coupling components
- • Maintenance and overhaul of motors and pumps
- • Industrial assembly workshops and service centers
Systems conform to industrial electrical and safety standards.
Other Products From ENRX
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Induction Brazing System for Faucets
A high‑precision, flame‑free induction brazing solution designed to deliver efficient, repeatable and aesthetically clean brazed joints for faucet manufacturing.