C.I. Hayes Inc., Cranston, R.I., built a continuous oil quench vacuum furnace for installation at McGard-McCauley Inc., a manufacturer of lock nuts for domestic and custom automotive industries. The furnace, Model CVCQ-091896, features a 4-tray 09 x 18 x 90 hot zone and a 170-lb gross-tray capacity. It is designed to process one tray every 15 minutes. The furnace features an inline pre-heat burner oven, and the control panel contains a PLC control system and proprietary programming logic.