Overarm: The overarm bears the weight with the spindle and arbor assembly. It is present along with the column. It can be generally known as overhanging arm. Straddle milling uses two end mills mounted on two different sides of the exact same arbor. This gives the opportunity to work on https://milling-machines-for-sale25555.full-design.com/an-unbiased-view-of-milling-machines-pdf-69726716