Repair & Maintenance Services

END USER: HydraForce Inc., (847) 793-2300, www.hydraforce.com. CHALLENGE: Maximize reliability and flexibility when machining hydraulic manifolds. SOLUTION: Software that simulates and verifies NC toolpaths. SOLUTION PROVIDER: CGTech, (949) 753-1050, www.cgtech.com

April 2009 Machine Technology column

March 2009 Machine Technology column

Part I: The author discusses how to maintain and repair machine tool spindles and what causes spindles to run out of round. Common sources of out-of-round spindles include loose bearings and improperly ground spacers. In-machine spindle repair is also discussed. Part II: There are three common ways to repair tapered toolholders: regrinding, replacing damaged material and chrome-plating. The author discusses each, along with its price, and gives advice about choosing an option.