b'SHRINKING CYCLE TIMESAspindle speed increasesEND USER SOLUTION PROVIDERSfaster the removal rate of a machine tool, but the cutting tool and tool- Raym-Co Inc. Haimer USA LLC Lindco Springfieldholder assembly must be more bal- 860-678-8292 630-833-1500 800-888-0866anced and rigid than what runs onwww.raymco.com www.haimer-usa.com www.lindcospringfield.coma slower spindle. Raym-Co Inc. real-ized that after the job shop installedCHALLENGE Significantly reduce cycle times after purchasing high-25 new DMG Mori machine toolsspeed machining centers.with maximum spindle speeds fromSOLUTION Use shrink-fit toolholders.15,000 to 20,000 rpm to replace 8,000-rpm machines from the early 1990s.We definitely saw an increase in the ability to hold tolerances and a decrease in cycle time, said Raym-Co Vice President Brandon Arti-bani, but not as much as we had hoped.The Farmington, Connecticut, manufacturer was founded nearly four decades ago and operates about 60 CNC machines at its 3,437-sq.-m (37,000-sq.-ft.) facility. The shop primarily serves the medical and semiconductor industries, as well as aerospace and defense.We are open to anything, Arti-bani said.He said the company initially cut only plastics but eventually diversi-fied into metals and now cuts a ton of aluminum, stainless steel and titanium. Plastics, such as acrylic, polycarbonate and PEEK, still ac-count for about half of the jobs.To further enhance the productiv-ity and accuracy of its high-speed machining centers, Raym-Co turned to Jim Roberts, application sales en-gineer at Lindco Springfield in West Springfield, Massachusetts. He sug-gested that Raym-Co try shrink-fit toolholders from Haimer USA LLC in Villa Park, Illinois.Raym-Co had been holding toolsHaimer USAin collet chucks, side lock holdersRaym-Co purchased a Power Clamp Economic Plus NG shrink-fit machine with an adjustable and milling chucks. Artibani saidcoil and two bases.ctemag.com/cteguide.com41ProTimes.indd 41 11/15/20 10:08 AM'