JMIJ to intermediate shaft type diaphragm coupling

JMIJ type with intermediate shaft typeDiaphragm coupling安装使用说明

★安装前应先检查原动机和工作机两轴是否同心，两轴表面是否有包装纸和碰伤，联轴器两个半联轴节内孔是否有杂物，内孔棱边是否有碰伤、如有应将轴、半联轴节清理干净，碰伤用细锉处理好。 然后 检查两个半联轴节的内孔直径和长度是否同原动机、工作机的直径和轴伸长度尺寸相符。一般选型时，让原动机和工作机端半联轴节长度小于其轴伸长度10— 30mm为好。

★In order to facilitate the installation, put the two half couplings in the 120-150 incubator or oil tank for preheating, so that the inner hole size increases and it is easy to install.After installation, ensure that the shaft head cannot protrude from the end face of the half coupling, and it is better to be flush.Detect the distance between the two halves of the coupling: take the average of the readings of 3 to 4 points measured along the two inner sides of the flange of the half coupling, and the sum of the measured dimensions of the extension and the two diaphragm sets, two The error is controlled within the range of 0-0.4mm.

★Correcting: Use a dial indicator to detect the runout of the flange end surface and outer circle of the two halves of the coupling flange. When the outer circle of the flange is less than 250mm, the runout value should not be greater than 0.05mm; when the outer circle of the flange is greater than 250mm, The jitter value should not be greater than 0.08.

JMIJ type intermediate shaft diaphragm coupling is a high-performance metal elastic element coupling, which is alternately connected by a sleeve in the middle, diaphragm sets on both sides, and half couplings through reamed bolts. The diaphragm set is made of multiple very thin stainless steel plates. The diaphragm set can be divided into two types: connecting rod type and integral type according to different structures.

JMIJ型接中间轴型膜片联轴器靠两边的膜片的弹性变形来补偿所联两轴的相对位移，主要特点是不用润滑，结构较紧凑，强度高，使用寿命长，无旋转间隙，不受温度和油污影响，具有耐酸、耐碱、的特点，适用于高温、高速、有腐蚀介质工况环境的轴系传动。

The basic parameters and main dimensions of JMIJ diaphragm coupling mm (JB/T 9147-1999)

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