1 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved Comparative Testing on HP Messrs: ProDrive System Comparative testing.

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Presentation transcript:

1 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved Comparative Testing on HP Messrs: ProDrive System Comparative testing on KaVo and Star handpieces with ISC turbines, Myonic turbines and Barden turbines has been conducted 【 Items 】１） RPM ２） Noise ３） Torque 【 Testing Devices/Procedures 】・ RPM ： Portable Tachometer HR-6800 （ # １）・ Air Pressure ： Pressure gauge of sent device （ Original pressure ： 5kgf/cm2 approx. ）・ Noise ： Noise gauge LA-1350 （ # ２）・ Torque ： Jigs + Push-pull gauge + Stand （ # ３） KGCH Ref # ０９１４６ November 11, 2009 NSK Micro Precision Quality Assurance Dept 【 Testing Result 】 Please refer to P2~P9.

2 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved 10 ㎜ Tachometer Hand piece Sensor # １. RPM Testing procedure/devices ＊ RPM is measured on the magnetized HP head (Turbine installed)

3 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved Comparison - RPM ISC-S ISC-C ISC-S ISC-C

4 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved Noise Gauge Screen Hand piece # ２. Noise Testing procedure/devices 35mm

5 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved Comparison -Noise 【 Noise data taken at 350,000rpm 】 ISC-S ISC-C ISC-S ISC-C

6 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved Push-pull gauge (Fixed to the stand ） Base Pedestal Block Gauge Bar HP holder Fastening band Fulcrum Holder stand Stand arm # ３. Torque testing procedure/devices The moment load at the time of rotation stop is measured by pushing a push-pull gauge onto hand piece head

7 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved Comparison - Torque ISC-S ISC-C ISC-S ISC-C

8 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved ＊ 1.Air pressure to sent device ： 5kgf/cm2 （ 71.1psi ）＊ 2.Noise data taken at 350,000 rpm

9 Confidential Copyright © 2009 NSK MICRO PRECISION CO., Ltd. All Rights Reserved OVERVIEW ISC Dental Turbine Bearings Star430 ： Ceramic version is rated as the Highest RPM ・ Lowest Noise （ Torque is rated average among three ） Kavo635B ： Ceramic version is rated as the Highest RPM ・ Lowest Noise （ Torque is rated average among three ） Comparison data proves that ISC dental ceramic bearings perform the best quality among three perform the best quality among three