4OPERATION MANUALModel Number: BM-23A BM-53VE BM-63VEDigital Readout 3-Axis Counter X, Y Scales 3-Axis 3-AxisTable Size (mm) 1066 x 230 1370 x 254 1370 x 254Spindle Taper NT30 NT-40 NT-40Longitudinal Travel X-Axis (mm) 585 910 890Cross Travel Y-Axis (mm) 295 400 400Vertical Travel Z-Axis (mm) 400 385 400Type of Slides Dovetail (X, Y, Z) Dovetail (X) Square (Y & Z) Dovetail (X) Square (Y & Z)Longitudinal and Cross Travel Type Lead Screws Lead Screws Ball ScrewsRam Travel (mm) 420 555 550Quill Diameter (mm) 86 86 105Quill Travel (mm) 127 127 127Spindle to Table Max. (mm) 480 385 450Throat Depth Max. (mm) 545 635 740Tilting Head (Left to Right) +90 ° +90 ° +90 °Tilting Head (Forward & Back) +45 ° +45 ° +45 °Power Feed - Quill 0.04, 0.08, 0.15mm/rev 0.04, 0.08, 0.15mm/rev 0.04, 0.08, 0.15mm/revPower Feed - Longitudinal (X-Axis) 20-2000 mm/min 20 - 2000 mm/min 20 - 2000 mm/minPower Feed - Cross (Y-Axis) Optional 20 - 2000 mm/min 20 - 2000 mm/minPower Feed - Vertical (Z-Axis) Optional Rapid RapidLubrication System One Shot One Shot One ShotTable T-Slot Size (mm) 16 16 16Work Table Load Capacity (Kgs) 250 350 400Spindle Speeds Vertical 8 Steps (65-2330) rpm Variable (50 - 3550) rpm Variable (50 - 3550) rpmMotor Power - Vertical 2.2kW/3HP 1Ph 3.75kW/5hp 3.75kW/5hpMotor Voltage 240V-15amp 415V-20amp 415V-20ampOverall Dimensions (mm./W x D x H) 1500 x 1700 x 2200 1800 x 2430 x 2200 1800 x 2430 x 2200Net Weight (kgs.) 1100 1365 1375The above specifications were current at the time this manual was published, but because ofour policy of continuous improvement, we reserve the right to change specifications at anytime and without prior notice, without incurring obligationsSPECIFICATIONSThis manual covers the safe operation and maintenance procedures for the Hafco/Metalmaster TurretMills with model numbers listed below in the specifications. These machines have been designed andconstructed to provide years of trouble free operation if used in accordance with the instructions setforth in this manual.NOTE: Some sections may apply only to certain models. Please be sure you know your model.INTRODUCTION