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TECH CENTRAL - TURBINES

About Turbine Cartridges

Turbine cartridges (rotors) are the engine of the air-driven highspeed dental handpiece. The key components are

  1. A. Spindle/chuck (collet) assembly
  2. B. Impeller
  3. C. Bearings

Most also include other hardware, such as

  1. D. O-ring
  2. E. Slinger
  3. F. Washer
sample

KaVo Comparison Chart

BEST

Dynamic Perfection+

No Hassle 15-month Warranty

Bearings
Angular Contact
Proprietary welded slinger
Ceramic balls
XTRAlon cage: Ensures bearing last through the warranty period you offer your customer
XTRAlube: Ensures there's still lube in the bearing when your customer forgets to lubricate
Autochuck
SureGrip™ Wedge‑type
Autochuck designed to be transparent to OE
Carbide bur guide bushing
DLC-coated actuator
Tech Features
Computer-aided highspeed balancing with bearings
100% fit, performance, and LASER vibrometer tested

BETTER

Dynamic Perfection

12-month Warranty

Bearings
Angular Contact
Integral shield when applicable
Steel or Ceramic balls to match the OE design
Torlon or Phenolic cage to match the OE design
Standard Bearing Grease or Lubricant to match OE design
Autochuck
SureGrip™ Wedge‑type
Autochuck designed to be transparent to OE
Carbide bur guide bushing
DLC‑coated actuator
Tech Features
Computer-aided highspeed balancing with bearings
100% fit, performance, and LASER vibrometer tested

GOOD

ValuPak

6-month Warranty

Bearings
Radial
Common radial designs to balance quality with value
Steel and Ceramic ball options
New generation Phenolic cage provides a reliable combination of wear and sterilization resistance
Standard Bearing Grease or Lubricant to match OE design
Autochuck
ValuPak™ Wedge‑type
Common straight autochuck design
Stainless steel bur guide bushing
Tech Features
Dynamic Balancing at Sub‑assembly level
100% Performance Tested