Precision matthews PM 728V-T Скачать руководство пользователя

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PM 728V-T v2 2020-10

Model PM 728V-T Precision Milling Machine

Square column design, heavy cast iron construction

High weight-to-size factor: 370 lb excluding stand

1 HP (750W) brushless dc motor, 110 Vac single phase power

Quiet belt drive, no gears

Variable spindle speed from 100 to 4000 + rpm

Table size 7" x 28"

One-shot lubrication system standard

Quill DRO for precise downfeed measurement

PM-728V-T with optional stand

Содержание PM 728V-T

Страница 1: ...vy cast iron construction High weight to size factor 370 lb excluding stand 1 HP 750W brushless dc motor 110 Vac single phase power Quiet belt drive no gears Variable spindle speed from 100 to 4000 rp...

Страница 2: ...fications or misuse This manual describes PM 728V T machines as shipped from early 2020 There may be detail dif ferences between your specific machine and the information given here with little or no...

Страница 3: ...nch or stand firmly to the floor Check working clearances Section 2 1 If the handwheels were shipped loose install the largest of the four at the top of the column The three smaller handwheels are for...

Страница 4: ...tool to retrieve reposition T bolts Headstock removal 1 Assemble a stack of 2 x 4s as Figure 1 4 Lower and lock the quill so that the spindle nose rests on the front 2 x 4 this is for balance not for...

Страница 5: ...then progressively increase the speed to the maximum about 1500 rpm 9 Check the emergency function by pressing the E Stop button This should disable the power circuit stopping the spindle You will hea...

Страница 6: ...eep groove ball bearings enclosed in a robust quill with coarse drilling and fine milling downfeed options It is powered by a 1 HP 750 W brushless dc motor Spindle speed is continuously variable from...

Страница 7: ...O With full way support 7 3 4 in Between hard stops 9 1 2 in No DRO 8 1 2 in 10 in Left right travel X axis With full way support 17 3 4 in Between hard stops 19 in Leadscrew pitch both axes 10 TPI 0...

Страница 8: ...e the work area is properly lit Never leave chuck keys wrenches or other loose tools on the machine Be sure the workpiece and machine ways are secure before commencing mill ing or drilling hold downs...

Страница 9: ...ockwise look ing down Figure 3 2 Belt adjustment SPINDLE SPEEDS The PM 728V T is a belt driven machine with two speed rang es L 100 1500 rpm and H 300 4000 rpm To select a speed range disconnect power...

Страница 10: ...the spindle bore by an M4 x 6 mm long set screw If it is difficult or impossible to insert the R8 device chances are the set screw is in too far Rotate the spindle by hand to expose the screw Figure 3...

Страница 11: ...two headstock attachment nuts Figure 3 7 X axis handwheel dial right hand Figure 3 8 Y axis handwheel dial Figure 3 9 Z axis handwheel dial LOCKING THE AXES Before machining a workpiece it is usually...

Страница 12: ...drives sleeve 3 through a worm gear If clamp knob 4 is unscrewed both 2 and 3 rotate freely doing nothing to the quill Fine feed is engaged by tightening knob 4 to clamp 3 and 1 together The depth di...

Страница 13: ...s handwheel to prevent rotation zero the Y dial 7 Raise the quill then rotate the handwheel one exact full turn counter clockwise 0 1 to bring the reference edge to the spindle centerline 8 Rotate the...

Страница 14: ...olli sion when sweeping 9 Reposition the 1 2 3 block to the opposite location on the table Figure 3 19 Shop made indicator holder Tramming calls for patience Expect to tighten and re check several tim...

Страница 15: ...e lock but you need to make sure that the spindle does not rotate throughout the procedure it helps if the low spindle speed is selected Set the indicator tip against the upper edge of a precision ref...

Страница 16: ...no oil but use the recommended lubri cants when you can GIB ADJUSTMENT Gibs on the X Y and Z axes control the fit of the mating dove tailed surfaces They are gently tapered lengths of ground cast iron...

Страница 17: ...ne attention If the bearings need to be serviced or replaced remove the quill spindle assembly as follows IMPORTANT Use wood blocks or other means to protect the table and to prevent unexpected downwa...

Страница 18: ...voltage motor is running Three beeps Overload Four beeps Over heating Five beeps Over voltage Six beeps Over current Seven beeps EEPROM error WARNINGS Long beeps Possible cause Note Two beeps Bus volt...

Страница 19: ...19 PM 728V T v2 2020 10 Copyright 2020 Quality Machine Tools LLC Model PM 728V T HEADSTOCK SPINDLE Fig 2 There may be detail differences between this representative drawing and the machine as supplied...

Страница 20: ...spring Z5993 33 Clamp knob Z5994 34 Lever knob Z5995 35 Handle lever Z5996 36 Pinion shaft hub Z5997 37 O ring Z5998 38 Spindle spline block Z5999 Ref Description Part 39 Ball bearing 6005ZZ Z6000 40...

Страница 21: ...21 PM 728V T v2 2020 10 Copyright 2020 Quality Machine Tools LLC Model PM 728V T TABLE COLUMN Fig 3 There may be detail differences between this representative drawing and the machine as supplied...

Страница 22: ...crank shaft Z6063 133 Hand wheel Z6064 134 Thrust bearing 51102 Z6065 135 Z axis leadscrew Z6066 136 Leadscrew nut Z6067 137 Machine base Z6068 138 Table Z6069 139 Movable stop sleeve Z6070 Ref Descr...

Страница 23: ...switch Z6109 806 Limit switch Z6110 807 Controller PCB Z6111 808 Cable bushing Z6112 809 Electrical box Z6113 Ref Description Part 810 Cable bushing Z6114 811 Connector mount Z6115 812 E stop button Z...

Страница 24: ...andle Z6126 215 Chip pan Z6127 216 Rear panel Z6128 217 Side panel Z6129 913 Washer Z6130 Ref Description Part 917 Washer Z6131 948 Hex screw M8 x 100 Z6132 949 Nut M8 Z6133 950 Hex screw M8 x 20 Z613...

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