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Causes and Solutions for Floating Height

Time:2025-07-03

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In automated production, automatic screwdrivers are commonly used tightening tools. However, many operators encounter a tricky issue: even though the screwdriver's torque has reached the set value and the screw appears to be tightened, the device reports a "floating height" error. This phenomenon is not only confusing but can also potentially impact product quality.


The occurrence of floating heigjt is mainly related to several factors. First is the consistency of the incoming material. If there are dimensional deviations in the screws or screw holes, or if the thread machining accuracy is insufficient, the friction coefficient during tightening will increase. Secondly, unreasonable fixture settings can also lead to problems. For example, if the workpiece's concentricity is inconsistent or the fixture is not correctly aligned, the screw may encounter additional resistance during tightening, thereby increasing friction. Additionally, if there are impurities in the screw hole, such as metal shavings, dust, or lubricating oil residues, the friction coefficient will also increase. These factors all lead to more torque being consumed by friction, while the effective torque that converts into clamping force is reduced.

Floating high can be divided into two situations: one is "visible floating high," where the screw is clearly not tightened in place; the other is "invisible floating high," where the screw appears to be tightened, but the actual clamping force is insufficient. In this case, the screw may loosen during subsequent use, thereby affecting product quality. Since this type of floating high is difficult to detect with the naked eye, professional tools are needed for detection.

Danikor's intelligent screwdriver not only has the basic tightening function but is also equipped with a clamping torque monitoring system. This system can monitor the changes in clamping force in real-time during the tightening process. When the clamping force is insufficient, even if the torque has reached the set value, Danikor's intelligent screwdriver can accurately identify this floating high phenomenon and report an error in a timely manner. This function is crucial for ensuring product quality because it can detect potential problems in the production process and prevent substandard products from entering subsequent processes.

The clamping torque monitoring function of Danikor's intelligent screwdriver not only detects floating high but also records data from each tightening process. This data can be used for subsequent quality analysis and traceability, helping production managers better understand issues in the production process and take corresponding improvement measures. For example, if floating high occurs frequently, managers can analyze the data to find the root cause, whether it is a material issue, fixture setting issue, or operator error. In this way, Danikor's intelligent screwdriver is not only a tightening tool but also an assistant for quality control.

The operating interface of Danikor's intelligent screwdriver is simple and intuitive, easy to use. Operators can quickly adjust the torque and clamping force parameters through simple settings to meet different production needs. This flexibility allows Danikor's intelligent screwdriver to be widely used in various industries and production scenarios, whether in automotive manufacturing, electronic device assembly, or medical device production, it can play an important role.



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