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Elka Precision

A world leader in the design, development and
manufacturing of ultra-high precision hydrostatic spindles, hydrostatic spin-tables & hydrostatic slides.

high-speed hydrostatic spindles hydrostatic tables & slides

With over 35 years of experience Dr. Leonid Kashchenevsky, founder of ELKA Precision, has lead the industry in the design and advancement of hydrostatic grinding products. Originally from Lithuania, and after earning a PhD in the Soviet Union, Dr. Kashchenevsky immigrated to the United States and continues his research and development of high-speed, ultra-precise hydrostatic spindles, linear slides and spin-tables.

Throughout his career, Dr. Kashchenevsky has received many patents on hydrostatic, engineering and grinding topics, and has also applied for patents which are currently pending. These include:

  1. Spindle with Axial Oscillating Rotating Shaft - Leonid Kashchenevsky. Provisional patent applied for on June 8, 2010. Application number 61352582.
  2. Hydrostatic Linear Slide Device - Leonid Kashchenevsky. Provisional patent applied for in April 2010. Application number 71320120.
  3. Hybrid Hydro (Air) Static Multi-Recess Journal Bearing - Leonid Kashchenevsky. Provisional patent. Applied September 2007. US patent application number 60960064. USA patent applied for in September 2008.
  4. Method and Device to Control Movement Accuracy of a Unit Moving Linearly on Hydro (Air) Slides - Leonid Kashchenevsky. US patent number 6,419,394. Date of patent July 16, 2002.
  5. Hybrid Hydrostatic Spindle - Leonid Kashchenevsky. US patent number 6,367,977. Date of patent April 09, 2002.
  6. Hydrostatic Spindle Unit with Automatic Self-Centering of the Work Piece - Leonid Kashchenevsky. US patent number 6,375,542. Date of patent April 23, 2002.
  7. Hydrostatic Radial Support - Leonid Kashchenevsky and associates. Soviet Union Patent Number 1730485.
  8. Spindle Head by Leonid Kashchenevsky and associates. Soviet Union Patent Number 1673279.
  9. Bending Oscillations Damper for Rotational Shaft - Leonid Kashchenevsky and associates. Soviet Union Patent Number 1647178. Priority from May 23,1988.
  10. Hydraulic Motor for Linear Motion - Leonid Kashchenevsky, Y. I. Mendelevsky and V. Y. Eglitis .Soviet Union Patent Number 1566139. Priority from January 07, 1988.
  11. Spindle Unit - Leonid Kashchenevsky and S. M. Labko. Soviet Union Patent Number 1423288. Priority from January 05, 1987.
  12. Flexible Coupling - Leonid Kashchenevsky and associates. Soviet Union Patent Number 1549198. Priority from June 01, 1987.
  13. Device to Control Small Flows of Liquid - Leonid Kashchenevsky and associates. Soviet Union Patent Number 1406416. Priority from December 22, 1986.
  14. Air Hydrostatic Coupling - Leonid Kashchenevsky, Y. I. Mendelevsky and V. Y. Eglitis. Soviet Union Patent Number 885653. Priority from August 3, 1980.
  15. Hydrostatic Support - Leonid Kashchenevsky, Y. I. Mendelevsky and V. Y. Eglitis. Soviet Union Patent Number 662754. Priority from March 15, 1976.
  16. Hydrostatic Support - Leonid Kashchenevsky, Y. I. Mendelevsky and V. Y. Eglitis. Soviet Union Patent Number 626264. Priority from December 22, 1975.
  17. Hydrostatic Support - Leonid Kashchenevsky, Y. I. Mendelevsky and V. Y. Eglitis. Soviet Union Patent Number 603787. Priority from October 27, 1975.
  18. Hydrostatic Support - Leonid Kashchenevsky, Y. I. Mendelevsky and V. Y. Eglitis. Soviet Union Patent Number 603785. Priority from October 27, 1975.
  19. Hydrostatic Journal Bearing - Leonid Kashchenevsky, Y. I. Mendelevsky and V. Y. Eglitis. Soviet Union Patent Number 560081. Priority from October 27, 1975.

President of ELKA Precision, Dr. Kashchenevsky offers a unique in-depth understanding of the theory, design, development and manufacturing of ultra-high precision hydrostatic spindles and products. Please contact ELKA Precision today to discuss your needs and requirements for hydrostatic spindles, hydrostatic linear slides and hydrostatic spin-tables.