Today we’re focusing on the spindle cone. In other articles, we’ve discussed the spindle testing process. But this time, our workshop manager will talk to us about two very specific steps for testing this type of motor. These are specific actions at the tool’s clamping point.
Checks on the electrospindle cone.
In this video, we’ll explore two critical control processes involved in electrospindle testing—essential steps to ensure the optimal performance and reliability of these high-precision motors. Their relevance goes beyond internal motor dynamics; they directly influence the quality and consistency of the manufacturing processes where electrospindles are deployed. As a result, inadequate control can lead to defects in the machined parts, compromising production standards and increasing the risk of costly rework. Moreover, poor testing protocols may trigger premature wear or breakdowns in the motor itself, affecting uptime and operational efficiency. Understanding these procedures is key for engineers and maintenance teams aiming to reduce failure rates and extend the lifecycle of CNC equipment.
On the one hand, checking the tool’s tightening torque. Specifically, this involves measuring the force with which the spindle grips the tool. This is very important, as an incorrect force could lead to manufacturing defects in the parts in which the electrospindle is used. On the other hand, this incorrect force could cause vibrations, which could lead to breakages inside the motor.
Second, we’ll check the axial runout on the motor cone. This is a very important variable that can cause major production problems, as manufacturing deficiencies can be significant. Essentially, it involves checking the axial runout of the tool and ensuring it is within the appropriate values.
We hope you find the video above interesting. And remember, if you need help with this type of verification, you can contact us using THIS SAME FORM.
At GDM, we always provide solutions. Don’t wait for a breakdown; preventive maintenance is the best way to save money.




