Application and improvement of fine adjustment tool holder

As the product is updated, the size of the pupil on the trampoline changes more and more. In order to reduce the operator's trouble of manual tooling and improve production efficiency, we introduced a fine-tuning tool bar on the tool and made appropriate improvements. We started to use the fine-tuning shank shown in Figure 1. Through experiments, we found that when the diameter of the tapered hole is large (such as φ300 ~ φ400mm), there are two disadvantages: 1 because the gap between the body 2 and the mast 4 has passed. Large, the guide key 5 is far from the tip of the knife, in the 镗