The EM value of OTT-JAKOB broach gripper is determined based on multiple aspects such as the specific specifications, structure, and machine tool usage of the broach gripper. The EM value, also known as the "reduction ratio coefficient", is an important reference parameter in the use of machine tools. The professional term is called the "EM coefficient", which is also an important indicator of the performance of machine tools.

Generally speaking, the EM value is provided by the clamp manufacturer, and the specific value is related to multiple parameters such as clamp size, clamping method, and clamping force. The specific size and clamping method of the gripper will affect its EM value when used on the machine tool.

The meaning of EM value refers to the ratio relationship between the input speed of the driving end and the output speed of the machine tool at the end of the motion output speed, which is the reduction ratio in mechanical transmission. It is obtained by measuring parameters such as the angle and speed of the gripper input and output on the machine tool, and is one of the important indicators of machine tool performance.

The magnitude of the EM value determines the ratio between the spindle speed of the machine tool and the rotation speed of the gripper. If the EM value is relatively small, then the ratio between the rotation speed of the machine tool spindle and the rotation speed of the gripper is relatively large, that is, the rotation speed of the gripper is relatively slow, but the clamping force is relatively large, suitable for clamping larger workpieces. If the EM value is relatively large, the ratio between the speed of the machine tool spindle and the rotation speed of the gripper is relatively small, that is, the rotation speed of the gripper is relatively fast, but the clamping force is relatively small, suitable for clamping relatively small workpieces.

In practical operation, the correct selection of EM values can improve the efficiency of machine tool processing and production accuracy. Choosing an appropriate EM value based on specific workpiece requirements can reduce the instability of clamping force, improve machining accuracy and quality, and reduce mechanical damage to the machine tool.

In summary, the EM value of the broach gripper is provided by the gripper manufacturer, and the size, structural design, and usage environment of different grippers can affect their EM value. When using machine tools, appropriate EM values should be selected based on specific workpieces to improve machining accuracy and effectiveness.

The above content introduces the em value of OTT-JAKOB broach gripper and the issue of the em value of HSK broach gripper. In addition, ODJ-Tech Global LLC

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