Spindle HuanYang
2.2kW Water-Cooled ER20 Spindle + HuanYang VFD Kit
$280
Overview
The go-to serious spindle upgrade for machines like the PrintNC, WorkBee, and other larger CNC routers. This 2.2kW water-cooled spindle with ER20 collet and HuanYang VFD is the most popular choice on CNC forums for cutting aluminum reliably. The ER20 collet accepts up to 13mm shanks, and 2.2kW provides real cutting power. Widely available on AliExpress with frequent sales.
Best for
Builders of larger CNC routers (PrintNC, WorkBee, LEAD 1515) who need real aluminum-cutting power
Pros
- 2.2kW provides serious cutting power for aluminum and hardwoods
- ER20 collet accepts bit shanks up to 13mm including 1/2 inch
- Water cooling allows sustained heavy cutting without overheating
- HuanYang VFD well-documented with community configuration guides
- Extremely quiet operation even at high RPM
Cons
- Requires 220V power supply in most configurations
- Full water cooling loop needs pump, reservoir, radiator, and hoses
- VFD wiring requires careful attention to grounding and shielding for EMI
- Heavy spindle (about 4kg) may require Z-axis reinforcement on lighter machines
- Quality can vary between AliExpress sellers