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PM 25MV v9 2020-10

Model PM 25MV-BD Milling Machine

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

Quiet belt drive, no gears

Variable spindle speed from 50 to 2500 rpm

Table size 27-1/2” x 7”

Quill DRO for precise downfeed measurement

Square column design, heavy cast iron construction

Options: welded steel stand/cabinet, 3-axis DRO

Weight 275 lb

PM 25MV-BD with optional stand/cabinet

PM 25MV-BD with optional 3-axis DRO

Содержание PM 25MV-BD

Страница 1: ...gle phase power Quiet belt drive no gears Variable spindle speed from 50 to 2500 rpm Table size 27 1 2 x 7 Quill DRO for precise downfeed measurement Square column design heavy cast iron construction...

Страница 2: ...lation and safe use Consider the material contained in this manual to be advisory only Quality Machine Tools LLC cannot be held liable for injury or property damage during installation or use or from...

Страница 3: ...ptional stand Highly recommended Bolt the bench or stand firmly to the floor Check working clearances Section 2 2 Remove the packing case from the pallet Figure 1 1 Unbolt the machine from the pallet...

Страница 4: ...been pushed in it should pop out when twisted firmly clockwise 5 Press the Power button The power lamp and the tach display should light 6 Check the emergency function by pressing the E Stop button T...

Страница 5: ...rings enclosed in a 2 4 diameter 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 50 to 1250 rp...

Страница 6: ...tilt 90 degrees clockwise counter clockwise Spindle Speeds rpm Low range 50 to 1250 High range 100 to 2500 Internal taper R8 Quill travel 2 in Quill diameter 2 36 in Spindle nose to table 2 in min 12...

Страница 7: ...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 a...

Страница 8: ...n if the chip guard is open The spindle motor is controlled by a three position switch Forward Stop Reverse and a continuously variable speed control knob F Forward cw looking down used for most milli...

Страница 9: ...r the spindle with rags or scrap wood Why Because they can easily be damaged by falling tools and drill chucks The cutting tool itself can also be damaged in the same way Lock the spindle with the C w...

Страница 10: ...2 scale on the column For more precise positioning the crank hub has a graduated dial with 0 001 divisions be aware of backlash in the bevel gears controlling the Z axis leadscrew and also in the lead...

Страница 11: ...knob clock wise positioning it precisely either by counting divisions on the graduated dial or by reference to the digital read out DRO Figure 3 1 Use the locking lever left of the headstock to hold...

Страница 12: ...tine operations the user relies on squareness of the spindle relative to both axes of the table Front to back squareness is set at the factory and is not adjustable by everyday methods In the other pl...

Страница 13: ...or to some form of sweepable holder installed in the spindle the aim being to adjust tilt for the same reading on either side of the X axis The longer the radius arm the greater the sensitivity Figure...

Страница 14: ...ion called for then re tighten the nuts The tap can be anything from a gentle slap of the hand to a rap with a dead blow mallet Repeat steps 7 through 10 until satisfied with the tram tightening the n...

Страница 15: ...rt of fully tight but tight enough so the vise won t budge without a definite tap from a dead blow mallet A typical setup for indicating is shown in Figure 3 13 There is no spindle lock but you need t...

Страница 16: ...nd exactly which are the bearing surfaces on the various dovetail surfaces this is not obvious some of the interfaces look like bearing surfaces but are sim ply narrow gaps Every few hours of operatio...

Страница 17: ...ize flexing The corre sponding adjustment for the Y axis is difficult because the split nut and leadscrew are concealed by castings Figure 4 4 Access to the adjusting screw is possible Figure 4 2 Z ax...

Страница 18: ...headstock Figure 4 6 Remove drawbar cap for access to the C Clip Figure 4 7 Complete DRO scale and quill assembly For illustration only for servicing operations the scale should be detached from the...

Страница 20: ...20 PM 25MV v9 2020 10 Copyright 2020 Quality Machine Tools LLC HEAD COMPONENTS Fig 2 There may be detail differences between this representative drawing and the machine as supplied...

Страница 21: ...e Z5241 34 Coarse feed spoke Z5242 35 Clamp knob Z5243 36 Screw M4 x 10 skt hd Z5244 37 Compression spring Z5245 38 Pinion shaft flange Z5246 Ref Description Part 39 Sleeve Z5247 40 Worm gear Z5248 41...

Страница 22: ...22 PM 25MV v9 2020 10 Copyright 2020 Quality Machine Tools LLC TABLE COLUMN BASE COMPONENTS Fig 3 There may be detail differences between this representative drawing and the machine as supplied...

Страница 23: ...319 36 Screw M6 x 12 skt hd Z5320 37 Stop collar Z5321 38 Table scale Z5322 39 X axis leadscrew Z5323 40 X axis support flange R Z5324 Ref Description Part 41 Screw M5 x 8 skt hd Z5325 42 Hose fitting...

Страница 24: ...Circlip Z5364 2 Switch box Z5365 3 Screw M5 x 16 skt hd Z5366 4 Screw M4 x 8 set spc l Z5367 5 D shape shaft Z5368 6 Shield Z5369 7 Washer flat M4 Z5370 8 Screw M4 x 14 skt hd Z5371 Dimensions in mill...

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