Air Cooling Spindle Parameter: Manufacturer Model: 500W Operating voltage: 12-100VDC Power: 500W Idle speed: 2000-12000 rev/min Torque: 0.5NM Insulation resistance:> 2 megohms Dielectric strength: 400V Diameter: 52mm Chuck portion length: 45mm Chuck portion diameter: 16mm Motor Length: approx. 190mm High precision spindle run out : 0.01-0.03 Can be used for solid wood PCB engraving drilling and so on Motor Governor Detailed Technical Parameters: 1. Input voltage: AC110-AC220V±10% 50/60Hz 2. Current limit: 6A 3. The adaptation motor power: 50W-500W 4. Armature output voltage: DC0-100V adjustable 5. Dimensions: 130*100*51mm(L*W*H) 6. Wiring: terminal (convenient) ER11 Collet Parameters: Model: ER11 Accuracy: <0.008 Material: 65MN Clamping range: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm Apply to: boring, milling, drilling, tapping, sculpture, CNC, spindle machine and other processing Working Environment: 1. Ambient air temperature: -10 ~ 40 ° C 2. The relative humidity of 85% or less, well ventilated 3. Installed in a well-ventilated, no severe impact, no vibration, no explosion of dangerous media and no conductive metal particles of the occasion Product Features: 1. The use of pulse width technology to make the speed more stable, low speed under the big 2. With over-current protection cut-off device to make the performance more reliable 3. With a soft start device to eliminate the motor starting current is too large Package including: 1 x 500W Air-Cooled Spindle Motor 1 x 110-220V Speed Governor 1 x 52mm Mount bracket 13 x ER11 collect 4 x Screws . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.