CNC milling is commonly described by the number of axes that can position the cutting tool or workpiece. The right choice depends on which features must be machined, how many sides are accessible, and how closely features on different faces must align.
3-Axis CNC Milling
3-axis milling moves the tool in X, Y, and Z directions. It is a practical choice for flat parts with holes, slots, pockets, profiles, threads, and standard mechanical features that can be reached from one or a limited number of setups.
4-Axis CNC Milling
4-axis milling adds controlled workpiece rotation. Features on multiple sides can be machined with fewer repositioning steps, making the process suitable for holes, flats, grooves, slots, and repeated features arranged around a component.
5-Axis CNC Milling
5-axis milling supports complex parts with multiple machined faces, angled surfaces, deep features, and critical relationships between surfaces. Machining more features in fewer setups can help reduce variation caused by repeated re-clamping.
JeaSnn provides 3-axis, 4-axis, and 3+2-axis machining. The machining approach is selected after reviewing the drawing, material, feature access, tolerances, and production quantity.