An electromagnetic driving device defined with an X axis, a Y axis and a Z axis includes a casing, a base, a driven object, an anti-tilt mechanism and an electromagnetic driving module. The electromagnetic driving module includes at least one magnetic member and at least one coil. The base connects to the casing so as to form an inner compartment thereinside. The driven object is received and movable along the Z axis inside the inner compartment. The magnetic member fixed to the driven object can be driven by magnetic forcing generated by the respective coil fixed to the casing. With the anti-tilt mechanism to provide lateral pressing forcing to eliminate possible gap between components connecting the driven object and the casing while the driven object is moved along the Z axis inside the inner compartment, possible dynamic tilt of the moving driven object can then be diminished.
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