In the early days of 3D printers, most builds used smooth rods and bearings that rode on them. But these days, printers are shipping with either V-slot extrusions with Delrin wheels or linear rails… ...

Linear rails are wet noodles until assembled to something stiff, the design of which is paramount to establishing accuracy. Assemble a quality rail to a ground steel surface and it will be flat in ...

• When combined with a 200 step/rev stepper motor, linear positioning resolution is enhanced to 0.000125 to 0.005 in. (0.003 to 0.127 mm) per input pulse. Stroke length is 1 to 18 in. (25 to 460 ...