In traditional labor and technology classes, machine tool safety depends on the teacher maintaining a high level of vigilance throughout the entire process. This model is unsustainable and difficult to scale. What safety micro machine tools change first is not the number of protective covers, but the mechanism by which safety occurs.

The micro safety machine tools commonly used in primary and secondary schools are driven by a 12V safety voltage, which falls within the safety extra-low voltage range. Even under damp conditions or in the event of accidental contact, they do not pose an electric shock threat to the human body. Take the sawing machine as an example: a specially designed blade vibration method makes it possible that “touching the teeth will not cut the hand.” The safety buffer structure transfers the risk of injury from “whether the teacher is present” to the technical architecture of the equipment itself.

Students first use simple materials to master basic operations such as sawing, drilling, and grinding, and then move on to model making with functional goals—pen holders, small chairs, Luban locks, bridge models—and ultimately to designs driven by real needs. In this process, the machine tool is not the end goal, but one link in the “design—make—test—improve” cycle.

Metal Handheld Machine Tool (W201MB)

Functional Features:

The handheld machine tool operates on a safety power supply and has no plastic parts in its body, greatly improving the equipment’s stability and durability. The handheld machine tool is equipped with seven grinding tools, offering a very wide grinding range and a high degree of freedom in grinding space. With a drill bit, it becomes a hand drill; with a grinding wheel, it becomes a hand grinder; with a milling cutter, it becomes a hand milling machine. It offers diverse variations, flexible operation, and simple use.

Technical Parameters:

Motor speed: 20000 r/min ±15%

Spindle speed: 3000 r/min ±15%

Voltage/Power: 100V–240V, 36W (optional 24W, 60W)

Wheel disc diameter: 49 mm

Product dimensions: 102 × 50 × 100 mm

Packaging dimensions: 145 × 90 × 120 mm

Materials processed: wood, soft metals (gold, silver, aluminum, copper), acrylic, plastics, etc.

Applications:

School maker education, labor and technology, metalworking and woodworking, high school general technology, comprehensive practice, and other school and out-of-school courses as well as personal DIY.

The goal of engineering enlightenment is not to train every student to become an engineer, but to give them a complete experience in childhood: “What I designed has actually been made.”

The value of safety micro machine tools lies in using technical means to turn the manufacturing stage from a “restricted zone” into an “accessible zone,” so that this chain of experience does not break between drawings and physical objects.

When a basketball-sized machine tool can allow dozens of students to take turns completing the entire process from cutting to assembly, engineering education is no longer an extracurricular specialty for a few, but a reproducible classroom norm. This may be the most plain and also the most essential meaning of the term “teaching equipment” in the context of engineering enlightenment.

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