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SFW-24P Water Cooling Shrink Fit Machine - Reliable China Suppliers & Factory for Precision Tooling Solutions
| Specification | Cooling | Voltage | Power | Air Pressure | Material of Tools | Range | Max Tool Length | L×W×H (mm) | Weight |
| SFW-24P | Water Cooling | 3 × 380V / 20A / 50Hz | 11 KW | ≥4 bar | CARBIDE / HSS | Φ3 ~ Φ32 mm | 680 mm | 800×640×2000 | 800×640×2000 |
🔵 Induction Coil
| Specification |
| SFW-332 |
| Universal coil for a clamping range of Ø 3–32 mm, which is realized with 4 ferrite discs |
🔵 Ferrite Discs One-Piece
| Specification |
| SFWH-3.0-5.9 |
| SFWH-6.0-12 |
| SFWH-12.1-22 |
| SFWH-22.1-32 |
| For an optimal shielding of the magnetic field between coil and tool shank |
🔵 Clamping Ring
| Specification |
| SFW-C |
| For a secure support of the ferrite disc in the coil |
🔵 Tool Holders (for Coolant Cooling)
| Specification |
| 63A / BT / BBT / SK / CAT40 |
| 100A / BT / BBT / SK / CAT50 |
| For the reception and correct positioning of the chuck onto the shrinking units |
🔵 Gloves
| Specification |
| WG-333 |
| For the protection from possible burns and cuts |
🔵 Cooling Emulsion
| Specification |
| SFWC-905 |
| Cooling emulsion to protect the chuck against corrosion |
📋 Item Overview
⚡ Phase Wiring
🔧 Installation Steps
- ■ R = Phase A
- ■ S = Phase B
- ■ T = Phase C
- ■ N = Zero Line
- ■ PE = Ground Wire
Step 1 — Mounting the Guide Unit
Step 2 — Connecting the Compressed Air Hoses
Step 3 — Mounting the Connector Unit
Step 4 — Air / Water Supply
Step 5 — Turn On
Step 6 — Move the Coil Head as Mark Instruction
Step 7 — Fix Disc and Clamping Ring
Step 8 — Parameter Setting
Step 9 — Set Working Condition
For Example
Shrink Fit Holder: DEREK HSK63A-SF6-80
Tool: Solid carbide end mill
Parameter Setting: As image
Tool: Solid carbide end mill
Parameter Setting: As image
🌡️ Heating Time Table
| Tool Diameter (mm) | Holder Wall Thickness (mm) | Heating Time (second) | Power Rate % |
| 4 | 3 | 5 ~ 6 | 70 |
| 6 | 7.5 | 7 ~ 8 | 80 |
| 8 | 6.5 | 6 ~ 7 | 80 |
| 10 | 7 | 5 ~ 6 | 80 |
| 12 | 6 | 5 ~ 6 | 80 |
| 16 | 5.5 | 4 ~ 5 | 80 |
| 20 | 6.5 | 5 ~ 6 | 80 |
| 25 | 9.5 | 7 ~ 8 | 80 |
| 32 | 6 | 6 ~ 7 | 80 |
Above heating time suggestion is based on Derek shrink fit holders size. Different brand holders material and sizes vary and heating time should be adjusted accordingly.
Frequently Asked Questions
What tool diameter range does the SFW-24P Water Cooling Shrink Fit Machine support?
The SFW-24P supports a tool clamping range of Φ3 mm to Φ32 mm, compatible with both CARBIDE and HSS tool materials using the universal induction coil SFW-332 with 4 ferrite discs.
What are the power and voltage requirements for the SFW-24P?
The machine requires a 3-phase 380V / 20A / 50Hz power supply with a total power consumption of 11 KW. It also requires a compressed air supply of at least 4 bar for proper operation.
How does the water cooling system benefit the shrink fit process?
The water cooling system rapidly cools the tool holder after heating, significantly reducing cycle time compared to air-cooled models. It also protects the tool shank and holder from excessive heat exposure, extending tool life and maintaining clamping precision.
Which ferrite disc should I use for different tool diameters?
Four ferrite disc sizes are available: SFWH-3.0-5.9 for tools Ø3–5.9mm, SFWH-6.0-12 for Ø6–12mm, SFWH-12.1-22 for Ø12.1–22mm, and SFWH-22.1-32 for Ø22.1–32mm. Selecting the correct disc ensures optimal magnetic field shielding between the coil and tool shank.
Can the SFW-24P be used with tool holders from other brands?
Yes, the SFW-24P is compatible with tool holders from various brands. However, the heating time table provided is based on Derek shrink fit holders. Since different brands vary in wall thickness and material, the heating time and power rate settings should be adjusted accordingly for best results.
What accessories are included or available for the SFW-24P?
The SFW-24P system supports a full range of accessories including the universal induction coil (SFW-332), ferrite discs (SFWH series), clamping ring (SFW-C), tool holders for coolant cooling (63A/100A series in BT/BBT/SK/CAT40/CAT50), heat-resistant gloves (WG-333), and cooling emulsion (SFWC-905) to protect the chuck against corrosion.