Mas VO 50 Kovosvit Radial drilling machine

Mas VO 50 Radial drilling machine 

Design features Preselection of 16 spindle speeds and feeds by push buttons Max 2. Proselectable control of spindle speeds, feeds and drilling depths for up to 20 operations Radial arm Program-controlled spindle run reversal on reaching the programmed depth of drilling Electrohydraulic engaging of individual spindle speed steps and feed rates Radial arm to column shell and spindle head to arm locked electrohydraulically Two variants of VO 50 differing in machine control method and two other variants differing in length of arm Cooling lubricated by means of a hand oil pump the stops on the stop drum. On reaching arranged in the arm, the programmed depth of drilling the The 30 capacity coolant tank is placed spindle feed motion is automatically trip- next to the machine. The coolant pump Radial arm ped. In tapping operations the sense of with its kW self-contained motor is spindle rotation is reversed automati- attached to the tank cover. The arm is capable of being swiveled cally on reaching the programmed about the column in either sense of rota- depth. The program of spindle speeds, Lubrication tion through full 360°. feeds and drilling depths is usually set while machining the first workpiece. The All movable parts of the spindle head are Spindle head spindle is mounted in front on the NNK lubricated by a self-contained pump type double-row roller bearing and a sucking the lubrication oil from the tank The gear and feed box of the spindle radial ball bearing, in rear on one radial arranged in the spindle head bottom. head offers the selection of 16 spindle ball bearing. Axial thrusts are taken up The oil level in tank is shown on the bot- speed steps and feed rates. The requi- ı by two ball thrust bearings. The vertical tom oil gauge. The oil gauge at the top red speed step is preselected by push motion of the drill spindle is performed wall of the spindle head oil tank is provi- buttons while the machine stands still or either by hand by means of a double- ded for the operator to observe correct while the preceding operation is being arm lever, or in automatic feed. The ver- work of the spindle head lubrication sys- performed after which the operator tical fine adjustment of the drill spindle is tem. Oil from the spindle head tank is engages it by a control lever. The pro- effected by means of a handwheel used at the same time to supply the gram control of the spindle speeds and arranged at the bottom spindle head hydraulic circuits of the machine. The feeds is effected by means of the pro- wall. arm guideways provided on the column gramming drum and mechanical sliders. shell and the arm elevation screw are Drilling depths are adjusted by means of Standard variant of VO 50 machine with max. distance spindle to column shell 1250 mm and max. height of spindle nose over baseplate 1300 mm The standard machine variant features c with 2290 x 1000 mm baseplate and 1470 x 966 mm wor- a push-button preselection of spindle speeds and feeds king surface of table b program-controlled spindle speeds, feeds and drilling d with electrical equipment wired for other than standard depths 3x380 V, 50 Hz mains voltage c hydraulically controlled locking of shell to column and spindle head to arm Standard accessories d maximum distance spindle to guideways on column shell 1600 mm, maximum height of spindle nose over baseplate set of machine operating tools 1505 mm operating instruction e size of baseplate 2640 x 1000 mm, working surface of table 1820 x 906 mm Optional extras f electrical equipment for 3x380 V, 50 Hz mains voltage, control circuit voltage 110 V, 50 Hz radial arm supporting column box-type table Vb 50, Vb 8 tilting table Ve 50, Ve 8 Optional variants of VO 50 machine machine vice to SN  cooling system with motor-driven pump In the optional variants, the VO 50 is available a without program control, with push-button preselection Morse taper  reducing sockets of spindle speeds and feeds and with hydraulically opera- ted locking of spindle head to arm and column shell to column Specification Standard Option Drilling capacity in steel: 1600 MPa tensile strength in grey cast iron: 250 Mpa tensile strength Tapping capacity in steel: 1600 MPa tensile strength mm in grey cast iron Max. distance spindle column shell guideways Min. distance spindle centerline to column shell guideways mm Max. height spindle nose over baseplate Vertical adjustment of radial arm Spindle head travel along arm Arm swivels in either sense of rotation spindle nose diameter mm Taper in drill spindle Drill spindle stroke 16 spindle speed steps in the range of RPM 28-2500 spindle feeds within mm/rev Max. torque on spindle Size of baseplate Output of main drive motor Output of hydraulic pump motor Output of coolant pump motor Floor space required Height of machine mm Weight of machine including electrical equipment and standard accessories