In the last issue《Dimensional classroom》Li，Xiaowei introduced the related introduction of Wittgen 2-meter milling drum.。Recently, Xiaowei has also received some messages and inquiries from his fans.，Xiaowei selected some topics and asked the training teacher to answer questions for you.。

So this issue《Dimensional classroom》Xiaowei will continue to take the 2-meter milling drum as an example to answer questions about the phenomenon of asynchronous speed rise and fall on both sides of the rear door of the milling drum.，Explain the operation of lifting and speed regulation of the rear door of the milling drum for Uyghur fans，Click on the video to learn from the teacher.！

When the rear door lifting speed of the milling drum of the milling machine is inconsistent，First of all, we need to check whether there is any accumulation of milling materials in the rear door and slot of the milling drum.，If there is a build-up of material，It needs to be cleaned up in time.。At this time, if the rear door of the milling drum is still not lifted synchronously,，Adjustments can be made via a governor valve mounted on the lift cylinder，It should be noted that，It is necessary to adjust the speed of the other side with one side as the reference during the adjustment.。

《Dimensional classroom》It is a video column produced by Wittgen China Technology and Training Center to introduce equipment operation and precautions.，Launch on a regular basis，I hope you will continue to pay attention.。In addition，If you have any questions you want to know, you can also send us a bullet screen or leave a message.。