Ultra Performance Collet Chuck
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Nikken's VC Holders are a variant developed from our hugely successful Slim Chuck with the emphasis placed on the demands and requirements for milling and profiling applications.
As with the Slim Chuck all VC Holders are equipped with our TiN Bearing Nut technology and provide optimum gripping torque, improved rigidity and excellent and reliable run-out accuracy. They provide superior machining performance and excel for high-speed applications - up to 40,000rpm.
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Extremely precise tool: 0.00012" or less concentricity guarantee with any VC collet
View all features and benefits
Features
- TiN Bearing Nut [HV2, 220]
- Collet taper and square wedge design
- 8 degree internal taper for increased gripping torque
- Rear pilot diameter on collet for extra milling stability
- Thicker wall design for improved rigidity
Benefits
- Ideal for high-speed machining [40,000 rpm], thread milling and ultra precision reaming
- High rigidity
- Runout accuracy of less than 3 microns
- Superior surface finish
- Extended tool life
| VC Collet Chuck | ER Collet Chuck | |
| Runout at 4x Diameter | 0.00012” | 0.0001” at collet face |
| Torque (1/2” shank) | 170 N.m | 100 N.m |
| Chucking Capacity | 1/2” | 1” |
| Max. Speed(rpm) | up to 40,000 | up to 23,000 |
| Collet Style | 8 deg. Long taper with pilot | 16 deg. Long taper |
| Coolant Option | thru/jet/collet slots | thru/collet slots |
| DIN option | yes | yes |
| 3-Lock option (Dual Contact Spindle) | yes | n/a |
| Noise harmonic vibration | low | medium/high |
| Taper size available | CAT 40, 50, BT30, 40, 50, HSK40/63/100A, HSK40/63F | CAT 40, 50, BT30, 40, 50, HSK40/63/100A, straight shank |
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VC Collets
The smaller the taper angle is, the better concentricty is obtained. Our steep 8 deg. collet seats deeper in the body of the holder, providing twice more clamping force and twice more precision than traditional 16 deg. ER collets.
VC collet have an extended body to minimize runout and to increase surface area contact of tooling.
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Coolant-Thru capabilities
Our VC Collet Chuck features a unique high-pressure coolant collet system which allows for higher accuracy and gripping torque.
Titanium Nitrided Bearing Nut (US 6923451)
- More efficient than conventional ball bearing built-in nut!
- Good sliding effect due to surface hardness of HV2,200
- No damage, no friction
- No corrosion occurs internally
- Less micro vibration with collet flange contact
- Increase cutting performance and tool life durability
- More cutting rigidity
