Do you know the terminology that machine operators need to know? 

Amid the noise around terms like “industrial machine,” “tool setting,” “calibration,” and “corner grinding,” these seemingly mundane terms hold “technical secrets” passed down from generation to generation of machine operators. The China Machine Tool Industry Association recently compiled more than 200 commonly used industry terms, revealing the secrets of efficiency and the cultural background behind them.

The accuracy of the work depends on these terms.

“Tool setting” is the fundamental process of adjusting the position of the tool and the workpiece. Beginners often rework parts, neglecting to "hot load" (recalibrate after the equipment has warmed up). "Allowance" refers to the machining allowance. Excessive allowance results in wasted labor, while too little can easily lead to defects. It all depends on experience. "Calibration" uses a dial indicator to measure uncertainty; a 0.02 mm needle deviation indicates compliance with the standard - this is a lifesaver for preventing defects in mass production.

Technology is the essence of experience.

Corner Cleaning checks for correct programming and tool selection; Uneven corners may cause the assembly to become stuck. If boring (boring from the inside) is done incorrectly, a through hole may be mistaken for a blind hole, costing the company millions of yuan. Mao Yufeng, Secretary General of the Association, said: “Slang is not metaphysics, it is an instruction manual based on the experience of our predecessors.”

The intellectual age is constantly evolving.

Today, “manual tailstock” has become “automatic centering” and “tool holding” has become “thermal deformation compensation.” But the essence remains the same: increasing the accuracy and efficiency of information transfer. Young professionals are becoming increasingly creative, developing dictionaries of augmented reality terminology and simulation-based learning systems to integrate “slang” into the digital age.

From a friendly greeting from an experienced technician: “Is the turning toolholder slipping?” In instructions for “wire cutting” (high-precision electrical discharge machining), “slang” is not only a technical symbol, but also a means of communication between machine operators. As the report puts it: “Simply put, it ensures the precision and temperature of industrial machine tools.”