Precision at the Point of Assembly: Why Torque Control Matters

Small assembly discrepancies in assemblies can lead to big problems for manufacturers.

If a fastener is too loose, it may compromise the functionality of the part. Apply too much torque, on the other hand, and you can damage parts and compromise threads. This is why manufacturers of electronics, automotive components, and machinery and equipment, as well as other precision goods, rely on torque control as part of in-line processing to maintain quality production.

The Role of Electric Torque Tools

Manual, non-powered tools can result in variation in the amount of torque, as different factors such as operator fatigue, technique, or other variables can have an impact on how much torque is applied. Electric torque tools provide a more controlled approach, as they deliver a fixed amount of torque during the fastening process. Depending on the application, this process can provide consistent assembly results and allow manufacturers the ability to keep pace with changing production requirements.

This precision becomes particularly important when dealing with delicate electronic components. Many electronic parts are easily damaged. Circuit boards, small enclosures, fasteners and connectors, and even the housings of many products are susceptible to damage due to over-torquing. Electric torque tools can help manufacturers achieve exact specifications while putting next to zero lug on components.

Building Accuracy Into the Process

Selecting the right tool is only the beginning of maintaining proper torque. Manufacturers also need to establish procedures for verifying that their equipment is staying within placement and process requirements. Torque tool accuracy testing helps them identify deviations before they make production parts.

Standby testing can become a part of maintenance and quality control operations in the plant. By testing and making certain that a tool is applying the correct torque, assembly teams can determine if calibration, usage, and any number of other assembly influencers are in line. It establishes an internal link between manufacturing and quality assurance.

Why Torque Controllers Matter

For those manufacturing environments, a torque controller can help take a lot of the guesswork out of a series of variables. By setting up your compatible electric fastening tools to be governed by a torque controller, you can set specific torque ranges and be confident in them from cycle to cycle.

In high-throughput manufacturing processes, this can mean less variation in quality and fewer unpredictable occurrences in your processes. It also has a huge impact on how often and how much you can track and control your fastening process and results. Especially in cases where this is of the utmost importance- such as traceability.

Choosing the Right Assembly Approach

Different parts require different torquing approaches. When it comes to selecting the right assembly torque tool, the acceptable torque range, speed of the operation, sensitivity of the part or assembly, production volume and required process control or data collection capability all play a role.

A good torque strategy will combine the right equipment with the regular checks and operator training that make the relationship hum. When everything is in sync, the workpiece can exhibit repeatability exactly where you want it: in the assembly. Repeatability over time can also assist the quality of the final product, minimize unnecessary rework, and give operators confidence in what two consecutive good measurements really mean.

Photo by Jelifer Maniago on Unsplash