As for the current life, the linear guide has its own extensive use, but it is also used in the time of its own use, but also in the use of the difference between the other, some are in the use of time, can not achieve a good function, some are in use At the time, there will be delays, and there are some time points in the use, which shows that the stability of the linear guide is lacking. So for now, the linear guides have their own functions, and there are many other differences.