It's not unusual for someone new to precision fastening to complain about the lack of precision of electric screwdrivers when dealing with hard joints; in reality, a smart fastening system with torque control like Kolver's K-DUCER can be easily programmed to achieve superior precision even with the hardest joints.
As we have seen before, a hard joint is characterized by minimal movement between the mating surfaces during tightening, resulting in a rapid increase in torque once the fastener makes contact. This abrupt torque rise can lead to over-tightening, potential damage to components, or inconsistent clamping forces when working at too high of a speed, due to the inertia of all the rotating parts.
The K-DUCER addresses this challenge through its downshift function.
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