PT Journal
AU Rehor, J
   Fulemova, J
   Rut, D
   Triskova, V
   Kutlwaser, J
   Kouril, K
TI Reaming of Very Precise Holes in Hydrostatic Component
SO Manufacturing Technology Journal
PY 2015
BP 409
EP 415
VL 15
IS 3
DI 10.21062/ujep/x.2015/a/1213-2489/MT/15/3/409
DE hydraulic engine; reaming; sintered carbide; cermet
AB Nowadays, one of the motive trend in engineering industry is transportation and manipulating technology. The hydrostatic mechanisms belong to the most important components and are created by hydraulic engines, pumps, switchgears etc. Inseparable part of hydraulic engine is a servo-valve which coordinates the fluid flow by a microscopic movement of piston. The servo-valve is a casting, usually made of ductile cast-iron that is necessary to machine. The functionality of hydrostatic circuits is influenced significantly by the precise movement of pistons.Therefore it is necessary to provide the dimension accuracy, machining quality and also the geometric shape of holes. This article describes the issue of holes reaming in hydrostatic components with a use of reamers made of sintered carbide and cermet.
ER