Mechanical Engineering

Brush rotary torque sensors use physical brush contact, while brushless designs transfer power and torque data without mechanical contact. Brushless designs can be preferable for pulse-tool testing, lower torque readings, reduced wear, and applications where brush-related limitations matter.

RPM may affect torque applied to an assembly joint because speed changes the duration of applied force and can change inertia. Record validated RPM settings and verify residual torque at the joint.

Brushless electric screwdrivers use electronic commutation rather than motor brushes. For high-volume assembly, this can reduce wear-related maintenance and support more consistent fastening operations.

Power torque tools support controlled fastening by applying the required torque to screws. Tool selection should consider torque tolerance, speed, fastener size, controls, ESD needs, maintenance, and total cost of ownership.

Electronics assembly calls for controlled low-range torque, ESD-safe construction, and run-down speed suited to production demand. Electronic and automation torque screwdrivers address different workflow needs.

Push-to-start drivers start when the operator applies deliberate pressure to the workpiece. They can support more natural hand movement, repeatable torque application, reduced accidental starts, and faster fastening cycles in assembly, manufacturing, and maintenance work.

Preset torque wrenches support consistent fastening in repetitive assembly by using a fixed torque setting. Selection should consider fastener size, required accuracy, and special assembly requirements.

An overview of electrical porosity testing for finding pinholes and holidays in cured non-conductive protective coatings, including low- and high-voltage detector selection.

A practical guide to Barcol hardness testing for rigid plastics and soft metals, from selecting a test location to verifying readings.

A practical guide to maintaining a coating thickness gage through planned calibration checks, careful probe handling, cleaning, and proper storage.