b'Productive TimesGrinding superhard PCD neces- EDMing. But that process can be sitates the use of diamond grindingtime-consuming.wheels, which wear quickly becauseTo grind or EDM PCD first requires everyamountofPCDremovedbrazing PCD to a carbide tool body. from the workpiece equates to theThats typically not an issue because same amount of diamond wornPCD has a carbide substrate that is away from the wheel. However, be- brazed directly and efficiently onto cause PCD contains cobalt, it con- the body, explained Kaci King, co-ducts electricity and is suitable forowner and chief financial officer. Yet Filtermist_Ad_CTE_847_Layout 112/9/202:26 PMPathe PCD that the toolmaker deter-mined was best for the drill didnt OIL MIST & SMOKE have a carbide substrate.IN YOUR SHOP? If we couldnt get the PCD wafer brazed onto the body, she said, we couldnt even grind it.www.mistcollectors.comTherefore,WestOhioToolWest Ohio ToolTel: 1-800-645-4174 needed suitable brazing equipmentThe EdgeX4 PCD-tipped drill can produce up to a millionor moreholes in die-cast for the task and obtained a machinealuminum.that the company felt would work.Low-Cost, Highly Efficient Mist and Smoke Collectors Designed Specifically for theThe equipment used is propri- were the first one in the entire world Metalworking Industry etary information, King said. Weto have that piece of equipment.She said after working with the equipment manufacturer for a week, West Ohio Tool didnt achieve the desired results. Rather than imme-diately shipping back the machine, the toolmaker decided to experi-Precision Ri\x1fes ment on its own for another week.Our team was able to find a way & Processto get that done, King said.Re\x1enements With that hurdle overcome, West Ohio Tool required a suitable grind-IMAGE COURTESY OF AREA 419 FIREAMS "With our new NHX5000, weing machine. She said a machine quickly realized keeping ittool builder delivered a grinder busy would be a chore - it\'s sothat it claimed could do the job by productive! We had to focusgrinding and eroding PCD, but the on high-density, high-workloadmachine didnt succeed. West Ohio fixtures. The new machine andTool returned the grinder.fixtures have cut run-times byThe toolmaker then turned to 40% on some parts, and theMiamisburg, Ohio-based United RPS 5 has totally removed Grinding North America Inc.s par-lost time on changeovers. ent company in Europe to acquire These fixtures have beenthe necessary grinder, King said, LOADED with Mitee-Bite."noting that West Ohio Tool already Jon Addis, Area 419 Firearms had grinders, as well as measuring systems, from United Grinding.Free Design Consults Theadditionalmachineisa MiteeBite. com800-543-3580Walter Helitronic Power Diamond WORKHOLDINGSPECIALISTS 600, which provides both grind-ing and EDMing capabilities. Using 50JULY 2021 ProTimes.indd 50 6/17/21 4:20 PM'