These general guidelines are to help identify potential pitfalls relating to the tightening of bolted joints. Use a calibrated Torque Tool: Ensure that a calibrated torque tool is used and that a torque value is specified on the tightening specification. Be aware that certain automatic tightening tools, such as impact wrenches, can result in significant…
The TLS is a pre-set torque screwdriver that’s ideal for production applications where over-torque conditions are not tolerated. Built with a cam-over design, the accurate TLS torque screwdriver prevents a fastener or bolt from being over-torqued. The design action of the cam-over torque screwdriver is such that when the tool reaches its pre-set torque value…
Once a torque specification is determined, the joint should be audited to verify the product has been fastened to the proper torque value. It is important to audit the joint for accuracy and to ensure your product’s quality, safety and reliability isn’t compromised. The failure of a three-cent fastener that isn’t properly tightened can lead…
The TSN is a pre-set torque wrench that’s ideal for maintenance and production applications where over-torque conditions are not tolerated. Built with a cam-over design, the accurate TSN torque wrench prevents a fastener or bolt from being over-torqued. The design action of the cam-over torque wrench is such that when the tool reaches its pre-set…
When planning a production area, it pays dividends in the long term to plan the ergonomics of the operation and consult a health and safety inspector or ergonomic manager. Ensure both the workplace and the assembly operation are compatible with the majority of operators who will work there. This can reduce future costs arising from…
To maintain consistent accuracy, torque wrenches must be checked periodically for wear or defective parts. A properly structured preventive maintenance program optimizes tool performance and reduces unexpected downtime, thereby saving time and money. The more often a torque wrench is used the faster it will wear or go out of calibration. Monitoring the number of…
In nearly every heavy industrial application, turning threaded fasteners, nuts and bolts is generally viewed by two criteria: (1) The need to fasten tightly enough to prevent movement of parts and achieve a good seal without exceeding the fastener’s elasticity level. (2) Successful removal of fasteners after long periods of environmental exposure to harsh conditions.…
In the manufacturing industry, one way to report and evaluate the process capability and process performance is through the statistical measurements, like Cpk. What is Cpk? Definition: Cpk = Cpk = Process Capability Index. Adjustment of Cp for the effect of non-centered distribution. Cpk measures how close you are to your target and how consistent…
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