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Automatic measuring system of servo valve overlap value based on hydraulic cylinder switching oil-way

  • Xudong Pan
  • , Guanglin Wang
  • , Xinxin Cheng
  • , Hongchao Lv
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

During the processing of the servo valve spool machining, the overlap of valve spool's each edge should take zero grinding. The grinding processes including spool overlap test and grinding. In this paper, the authors used a new test method, which simulates working condition of servo valve. Hydraulic cylinder is used as the load of servo valve in this test method, and the hydraulic cylinder is in no-load operation. This test method realized the automatic switch of test valve, and it determined the amount of grinding through complete measuring four edges' overlap values, furthermore, it realized measuring the total amount of overlap, thus reflect the flow characteristics of a valve. This is a new automatic method for measuring servo valve overlap.

Original languageEnglish
Title of host publicationProgress in Manufacturing Automation Technology and Application
PublisherTrans Tech Publications Ltd
Pages248-252
Number of pages5
ISBN (Print)9783037858271
DOIs
StatePublished - 2014

Publication series

NameKey Engineering Materials
Volume579-580
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Keywords

  • Fluid measuring
  • Overlap
  • Servo valve

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