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本试验是国家重点科研项目“提高采煤机牵引部性能和可靠性的研究”中的一部分。对液压伺服机构特性的实验室初步试验包括: 一、予备性测定 1) EDW—170L型(以下简称W型)和MLS_3—170型(以下简称S_3型)液压伺服机构的几个主要尺寸的测量。 2) 试验用油粘度的测定。
This experiment is a part of the national key scientific research project “Research on Improving Performance and Reliability of Shearer Traction Department”. Laboratory preliminary tests on the characteristics of hydraulic servo mechanism include: I. Predetermination 1) Several major dimensions of EDW-170L (hereinafter referred to as W) and MLS_3-170 (hereinafter referred to as S_3) hydraulic servo measuring. 2) Determination of the viscosity of the test oil.