High Speed Machining Center Item #: HSM 400 LP The high speed spindles, the control system, the feed drives, the axis mechanism and the automation of Mikrons HSM range all have been designed with high speed machining in ......High Speed Machining Center Item #: HSM 400 LP The high speed spindles, the control system, the feed drives, the axis mechanism and the automation of Mikrons HSM range all have been designed with high speed machining in mind.