A linear motor translator assembly for use in an electromagnetic actuator, the linear motor translator assembly comprising: a cylindrical housing having a first end , a second end opposite the first end , a flanged portion at the second end , and a blind hole initiating at the second end and extending into the cylindrical housing to a blind hole base ; and an end cap securely fastened to the flanged portion , a tubular body located within the blind hole , the tubular body further comprising: a first side , the first side abutting the blind hole base ; a second side opposite the first side ; a first groove in an outer surface of the tubular body, the first groove extending from a first side to a first intermediate segment of the tubular body between the first side and the second side ; a plurality of permanent magnets attached to the tubular body circumferentially around first groove , the plurality of permanent magnets extending from the first side to the first intermediate segment; and a second groove in the outer surface of the tubular body, the second groove extending from the first intermediate segment to a second intermediate segment of the tubular body between the first intermediate segment and the second side , wherein the second groove includes a plurality of orifices . a cylindrical housing having a first end , a second end opposite the first end , a flanged portion at the second end , and a blind hole initiating at the second end and extending into the cylindrical housing to a blind hole base ; and an end cap securely fastened to the flanged portion , a tubular body located within the blind hole , the tubular body further comprising: a first side , the first side abutting the blind hole base ; a second side opposite the first side ; a first groove in an outer surface of the tubular body, the first groove extending from a first side to a first intermediate segment of the tubular body between the first side and the second side ; a plurality of permanent magnets attached to the tubular body circumferentially around first groove , the plurality of permanent magnets extending from the first side to the first intermediate segment; and a second groove in the outer surface of the tubular body, the second groove extending from the first intermediate segment to a second intermediate segment of the tubular body between the first intermediate segment and the second side , wherein the second groove includes a plurality of orifices . a first side , the first side abutting the blind hole base ; a second side opposite the first side ; a first groove in an outer surface of the tubular body, the first groove extending from a first side to a first intermediate segment of the tubular body between the first side and the second side ; a plurality of permanent magnets attached to the tubular body circumferentially around first groove , the plurality of permanent magnets extending from the first side to the first intermediate segment; and a second groove in the outer surface of the tubular body, the second groove extending from the first intermediate segment to a second intermediate segment of the tubular body between the first intermediate segment and the second side , wherein the second groove includes a plurality of orifices . <EOS>