Thread milling and tapping can save machining and tool change time

From the perspective of process safety, thread milling is a superior tapping technology. The M6 u200bu200bthread milling head with a 240mm tool flange adopts external drilling teeth (only half the number of teeth) and can reach a service life of more than 5000h.

In further reducing the production cycle time, improving the safety of the production process of components, improving the independent research and development of motor products and cutting processing, manufacturers can find professional companies to cooperate. For example, Komet chooses to use standard or special tools such as Komet, Dihart, and Jel to assist in the demanding inner side machining and the machining operations from boring to threading.

Using thread milling heads, the holes required for assembly can be made directly on the housing cover. The processing of the casing of the side-channel air compressor is particularly challenging. The complex shape of the shell cover has many disturbing contours, which increases the processing difficulty and forces the flange of the threaded tool to become longer. Only shaft extensions can be used for this. If the standard tapping milling head is M62.5D, the tool flange reaches 240mm. Long flange can cause larger radial force. The result of machining in this way is that after machining 50 to 60 threads, The tool may break. The reason is that the flange is too long and the radial force acting on the tool is relatively large. The tapping thread milling process is the best choice. This process can save a single piece of tool, and can play a significant time saving advantage. In addition, this technology can also be applied to modern machining centers.

Although it is not easy to grasp the breakage of the tool when tapping thread milling, and cannot achieve the required reliability, because this technology has significant advantages, even if the tool breaks, people still put forward a positive point of view , That is, the broken tool will not be left in the hole, so there is no need to spend time to clean the hole, and it will not cause defective products.

Another advantage of tapping thread milling technology is that it can integrate drilling, reaming and tapping in one process. When using traditional technology for thread tapping, 2 to 3 types of tools (such as auger, reamer or trapezoidal drill and thread drill) are needed; when thread milling technology is used, tool consumption and tool change time can be saved .

The number of teeth is halved but the safety is enhanced. From the perspective of operational safety, in order to have fresh air supply when tapping the shell of the side channel air compressor, it is a better choice to adopt the processing method of external drilling. Since the number of teeth is reduced by half compared to the original process, the feed rate must be reduced and the processing time must be extended. However, this impact is not significant relative to the achieved operational safety. As a result, the service life of the tool can reach 5000-5200 threads at once. Due to the use of external drill teeth, the radial force of the tool is also greatly reduced.

In order to achieve the best use effect of the tapping milling head on the machining center, the TPT online CNC program software is used. Through this approach, Komet has also realized the selection of the most suitable thread tool in various situations and the formulation of processing procedures. The developed procedures ensure 100% machining dimensional accuracy and the best feed speed and cutting speed.