Description
vhf · 4-axis chairside mill
VHF E4 Milling Machine
Wet grinding or dry milling, with no compressed air needed.
The VHF E4 is a compact 4-axis chairside machine that switches between wet grinding and dry milling. vhf’s patent-pending airtool technology means it needs no compressed air, so you can set it up almost anywhere in the practice.

Key features
Wet or dry
Wet-grind glass ceramics and composites, or dry-mill zirconia and PMMA with the optional dry kit.
No compressed air
The airtool technology removes the need for a compressor or air line.
purewater grinding
Wet grinding runs on pure water, with no grinding additives.
Chairside size
At 360 × 370 × 490 mm and 28 kg, it fits on a countertop in the operatory or lab.
Materials
- Glass ceramics
- Composites
- Zirconia
- Plastics and wax
- Titanium
- CoCr
- Blocks up to 45 × 20 × 20 mm
VHF E4 Specifications
| Category | VHF E4 |
|---|---|
| Axes | 4 |
| Processing | Wet grinding and dry milling |
| Spindle | High-frequency, up to 60,000 rpm, 800 W peak |
| Tool changer | Removable magazine for 6 tools + 1 airtool |
| Blocks | Up to 45 × 20 × 20 mm |
| Compressed air | Not required (airtool technology) |
| Dimensions | 360 × 370 × 490 mm (closed); 360 × 420 × 490 mm (open) |
| Weight | 28 kg |
Specifications from vhf.
What’s included from CAD-Ray
- VHF E4 milling machine
- Universal CEREC-style block holder
- Free Clinux by CAD-Ray CAD software
Optional add-ons you can choose below: CAD-Ray installation and training, E4 starter tool set, dry kit for zirconia, Renfert suction unit and chairside kit with Microsoft Surface.
Why buy your VHF E4 from CAD-Ray?
- Free Clinux by CAD-Ray CAD software with your machine, so you can design and mill chairside right away.
- Optional professional installation and training by a CAD-Ray technician (add it to your bundle below).
- Ongoing workflow and technical support from CAD-Ray, one of the largest independent CAD/CAM dealers in the U.S.
- VHF tools, holders and accessories on our VHF Milling Tools & Accessories page.
VHF E4 FAQ
Does the E4 need compressed air?
No. vhf’s airtool technology removes the need for compressed air or a compressor.
Can the E4 mill zirconia?
Yes, with the optional dry kit. It also wet-grinds glass ceramics and composites.
What CAD software comes with it?
Clinux by CAD-Ray is included free, and vhf’s dentalcam CAM software runs the machine.







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