Apparatus for assembling overhead camshaft

An apparatus for assembling an overhead camshaft that comprises:

• a hollow outer shaft having at least one slot formed along a length direction thereof;
• an inner shaft rotatably inserted inside the outer shaft and having at least one pin hole formed therethrough, each of the at least one pin hole disposed to be correspond to each of the at least one slot;
• at least one first cam lobe fixedly mounted on an exterior circumference of the outer shaft;
• and
• at least one second cam lobe fixedly mounted on the inner shaft to be rotatable on the at least one slot of the outer shaft,
• the apparatus comprising:
• a first fixture having two journals formed at opposite ends in a length direction thereof on which the outer shaft is disposed;
• a second fixture having a plurality of journals on which at least two of the at least one first cam lobe and the at least one second cam lobe are disposed;
• and
• a third fixture restricting upward and downward movement and rotational movement of at least one of the outer shaft, the at least one first cam lobe, and the at least one second cam lobe disposed on the journals of the first fixture and the second fixture, after the first fixture and the second fixture are combined.