Purpose

The purpose of this paper is to propose an adjustable oil film thickness test rig for detecting lubrication characteristics of the slipper. The mathematical analysis of lubrication is introduced. Based on the results from the test rig, the results comparison from test rig and mathematical analysis is carried out.

Design/methodology/approach

This paper introduces a mechanism which can adjust the oil film thickness between the slipper and swash-plate. Feasibility is ensured, and the accuracy of test rig is guaranteed by the three-coordinate measuring machine. Three displacement sensors show the oil film thickness and its shape. The reacting force and torque resulting from oil film can be achieved by three S-type force sensors and a torque sensor, respectively.

Findings

The relative error of the reacting force is small. The relative error reduces and is acceptable when the deformation of retainer is taken into account. The thickness and tilt angle of oil film have less effect on the reacting force. However, they are significantly impact on torque.

Originality/value

The test rig proposed in this paper is able to adjust the oil film thickness, which is used to detecting the lubrication characteristics in pump design.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-05-2020-0166/

中文翻译：

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可调节的油膜厚度测试装置，用于检测活塞泵中的滑套/斜盘副的润滑特性

目的

本文的目的是提出一种可调节的油膜厚度测试装置，以检测拖鞋的润滑特性。介绍了润滑的数学分析。根据测试台的结果，进行测试台的结果比较和数学分析。

设计/方法/方法

本文介绍了一种可调节拖鞋和斜盘之间油膜厚度的机制。三坐标测量机确保了可行性，并保证了测试台的准确性。三个位移传感器显示油膜的厚度及其形状。油膜产生的反作用力和扭矩可以分别通过三个S型力传感器和一个扭矩传感器实现。

发现

反作用力的相对误差小。当考虑到保持架的变形时，相对误差减小并且可以接受。油膜的厚度和倾斜角度对反作用力的影响较小。但是，它们会严重影响扭矩。

创意/价值

本文提出的试验装置能够调节油膜厚度，用于检测泵设计中的润滑特性。

同行评审

本文的同行评审历史记录可在以下网址获得：https://publons.com/publon/10.1108/ILT-05-2020-0166/