Shandong Weiterui Industrial Technology Co., Ltd. is one of the leading manufacturers and suppliers of 5–10kw medium frequency induction heating system in China. Welcome to buy high quality bearing heaters made in China here from our factory. Please be free to enjoy our discount price and good service.
PORTABLE MEDIUM-FREQUENCY INDUCTION HEATER
Product Overview
Safer, Faster Heating for Industrial Maintenance
The WTR 5–10kW Medium Frequency Induction Heating System, available in WTR-MF5-BE and WTR-MF10-BE models, uses a flexible induction coil and forced-air cooling to heat bearings, gears, couplings, sleeves and other metal workpieces for controlled assembly, disassembly and preheating.
Air-CooledPortableTouchscreen Control
MF5-BE · 5 kW
MF10-BE · 10 kW
Send the workpiece diameter, weight and power supply for model selection.
GET MODEL RECOMMENDATION
Why Use Induction Heating?
Traditional methods can create safety, cleanliness and workpiece-damage risks. Induction heating transfers heat directly into the metal for cleaner, more controlled expansion.
Safer Alternative to Flame Heating
× Fire and burn risk
× Local overheating
× Oxidation and deformation
Cleaner Than Oil Bath Heating
× Oil contamination
× Uneven temperature
× Cleaning required
Reduced Mechanical Damage
× Workpiece damage risk
× High labor intensity
× Difficult for tight fits
Uniform and Efficient Induction Heating
✓ Uniform heating
✓ No flame or hot oil
✓ No mechanical damage
✓ Cleaner operation
✓ Repeatable control
MF5 vs MF10 Comparison
When to Choose WTR-MF5-BE
5 kW
✓ AC 220V, 50/60Hz
✓ Small and medium workpieces
✓ Mobile field maintenance
✓ Approx. 11.4 kg
When to Choose WTR-MF10-BE
10 kW
✓ AC 380V, 50/60Hz
✓ Medium and large workpieces
✓ Frequent/heavy-duty use
✓ Approx. 15 kg
Not sure which model fits? Send the workpiece diameter, weight, material and available power supply.
Core Benefits
✦
Air-Cooled Induction Heating
No water-cooling unit is required, simplifying setup and on-site movement.
◎
Fast and Uniform Heating
This medium frequency heater creates controlled heat directly inside the metal for fast, uniform expansion.
▣
Portable Induction Heater Design
Compact machine body and flexible coil support workshop and field service.
◷
Time and Temperature Control
Touchscreen operation supports repeatable heating processes.
Working Principle
01
AC Power Input
50/60Hz supply
02
DSP + IGBT Power Conversion
Frequency conversion
03
Flexible Induction Coil
Alternating magnetic field
04
Eddy Current Heating
Heat inside the metal
05
Uniform Workpiece Expansion
Ready for fitting/removal
Applicable Workpieces & Industries
Bearings, Gears, Couplings and Other Metal Workpieces
◉
Bearings
✹
Gears
▣
Couplings
▯
Sleeves
━
Shafts
⊙
Flanges
▬
Pipes
○
Rings / Rotors
Industrial Maintenance and Manufacturing Applications
Common Industries: Industrial Maintenance | Steel & Metallurgy | Mining Machinery | Motor Repair | Petrochemical Plants | Manufacturing
Real Maintenance Applications
Bearing Dismounting
Faster, controlled removal
Uniform heating helps release the bearing while reducing impact on the shaft or housing.
Coupling Installation
Even expansion, easier assembly
The flexible coil wraps around the coupling to support smooth and efficient installation.
Flange Preheating
Repeatable temperature control
Controlled preheating supports a more consistent process before assembly or maintenance.
Shaft and Gear Heating
Flexible on-site application
Flexible coils can be arranged around different workpiece shapes and heating zones.
Specifications Comparison
Power, Frequency and Control Specifications
|
Item
|
WTR-MF5-BE
|
WTR-MF10-BE
|
| Rated Power | 5 kW | 10 kW |
| Input Voltage | AC 220V ±5%, 50/60Hz | AC 380V ±10%, 50/60Hz |
| Output Frequency | 5–35 kHz | 5–25 kHz |
| Cooling Method | Forced air cooling | Forced air cooling |
| Control Mode | Time / Temperature | Time / Temperature |
| Temperature Sensor | 1-point K-type | Consult WTR |
| Heating Efficiency | 30–95% | ≥95% |
| Machine Weight | Approx. 11.4 kg | Approx. 15 kg |
| Recommended Use | Small/medium workpieces | Medium/large workpieces |
Standard Configuration and Accessories
▣
Touchscreen Control
●
Aviation Plug
❉
Cooling Fan
〰
Flexible Coil
▱
Insulation Gloves
▤
Insulation Blanket
The final configuration is confirmed according to the selected model and workpiece requirements.
Quality & Support
WTR designs and manufactures industrial induction heating equipment for customers in more than 20 countries.
CE
Product Certification
ISO
Management Systems
40+ Patents
Technical Innovation
20+ Countries
Global Experience
WTR Support
Professional Technical Service
Procurement & Delivery Support
Lead Time
Confirmed by model and quantity
Custom Induction Coil
Matched to workpiece size and shape
Export Packaging
Protected for international shipment
Quality Documents
Certificates available on request
Technical Support
Selection, operation and troubleshooting
Spare Parts Support
Recommended list available
Frequently Asked Questions
1. How Do I Choose Between WTR-MF5-BE and WTR-MF10-BE?
Choose according to the workpiece size and weight, required heating speed and available power supply. MF5-BE uses AC 220V and suits mobile work on small and medium parts; MF10-BE uses AC 380V and provides higher power for medium and large parts.
2. What Workpieces Can Be Heated?
Typical applications include bearings, gears, couplings, sleeves, bushings, shafts, flanges, pipes, rings and rotors. Send drawings or dimensions to verify compatibility before ordering.
3. Can the Induction Coil Be Customized?
Yes. Flexible-coil length and arrangement can be selected according to the workpiece diameter, heating area and application method.
4. How Long Does the Heating Process Take?
Heating time depends on material, dimensions, weight, target temperature, coil arrangement and power. WTR can evaluate the application after receiving the workpiece data.
5. Is Induction Heating Safer Than Flame or Oil-Bath Heating?
It eliminates open flame and hot oil, while time and temperature control help create a more repeatable process. Operators must still follow the manual and use appropriate protective equipment.
6. What Information Should I Provide for a Quotation?
Please provide the workpiece name, material, inner/outer diameter, width, weight, target temperature, required heating time, available power supply and application photos if possible.
Send Us Your Workpiece Size
Get the recommended model, coil configuration and quotation for your application.
Diameter / DimensionsWorkpiece WeightAC 220V / 380V
REQUEST A RECOMMENDATION
Our team will review your heating requirement.
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