Precision matthews PM-25MV Скачать руководство пользователя страница 21

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PM 25MV v9 2021-12

Dimensions in millimeters

Ref Description

Part

Spindle

Z5209

Bearing seal

Z5210

Roller bearing 32007

Z5211

Quill sleeve

Z5212

Roller bearing 32005

Z5213

Spacer

Z5214

Washer, nitrile

Z5215

Screw: M5 x 12 skt hd

Z5217

Quill lock handle

Z5218

Casting plug

Z5219

Quill guide pin

Z5220

Headstock

Z5221

Nut: M3

Z5222

Screw: M3 x 8 pan hd

Z5223

DRO bracket

Z5224

Screw: M4 x 10 pan hd

Z5225

Washer: flat, M4

Z5226

Screw: M4 x 6 pan hd

Z5227

Washer: flat, M4, large

Z5228

DRO back plate

Z5229

DRO assembly

Z5230

Screw: M4 x 55 pan hd

Z5231

DRO connector block

Z5232

Fine feed knob

Z5233

Screw: M5 x 8, set

Z5234

Leaf spring

Z5235

Graduated dial, fine

Z5236

Worm spindle

Z5237

Pin: taper, 8 x 30

Z5238

Graduated dial, coarse

Z5239

Coarse feed hub

Z5240

Coarse feed handle

Z5241

Coarse feed spoke

Z5242

Clamp knob

Z5243

Screw: M4 x 10 skt hd

Z5244

Compression spring

Z5245

Pinion shaft flange

Z5246

Ref Description

Part

Sleeve

Z5247

Worm gear

Z5248

Pinion shaft

Z5249

Key: 4 x 12

Z5250

Screw: M6 x 12, set

Z5251

Pin: 5 x 10

Z5252

Retaining ring: 45, ext

Z5253

2-step spindle pulley

Z5254

Screw: M6 x 8, set

Z5255

Screw: M6 x 6, set

Z5256

Return spring cup

Z5257

C-clip, spring retainer

Z5258

Drawbar cap

Z5259

Drawbar cover

Z5260

Ball bearing: 6209

Z5261

Spring, quill return

Z5262

Screw: M6 x 8, cone pt

Z5263

Tach sensor coil

Z5264

Splined sleeve

Z5265

Key: 6 x 25

Z5266

Ball bearing: 6007-2Z

Z5267

Motor cover

Z5268

Washer: flat, M4

Z5269

Screw: M4 x 10 pan hd

Z5270

Motor, DC ,Main Motor

Z5271

Screw: M5 x 20 skt hd

Z5272

Washer: flat, M5

Z5273

Key: 6 x 16

Z5274

Screw: M8 x 30 skt hd

Z5275

Washer: flat, M8

Z5276

Motor mount, lower

Z5277

2-step motor pulley

Z5278

Screw: M6 x 20 skt hd

Z5279

Motor mount, upper

Z5280

Bushing

Z5281

Ribbed belt

Z5284

HEAD COMPONENTS

Fig 2

Содержание PM-25MV

Страница 1: ...ac 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 steel stand cabinet 3 axis DRO Weight 275 lb PM 25MV with optional stand cabinet PM 25MV with optional 3 axis DRO ...

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 negligence improper training machine modifications or misuse This manual describes PM 25MV machines as shipped from February 2016 There may be detail differences between your specific machine and the ...

Страница 3: ...r optional 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 Install the largest of the four handles on the headstock handwheel top of column on right Install the three smaller handles on the X axis and Y axis handwheels 3 Release the Y and Z axis locks Chec...

Страница 4: ...t 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 The power lamp should go out de en ergizing the contactor circuit disabling all electrics If this doesn t happen the E stop function is de fective and needs attention 7 Restore power by twisting the E...

Страница 5: ...gs 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 rpm low range and 100 to 2500 rpm high range This is a gearless design with two step pulleys on motor and spindle coupled by a long life ribbed belt The headstock can be tilted 90o clockwise and counter cl...

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 in max Spindle centerline to front face of column 6 in to pleated cover uncovered 7 in Drawbar Standard 7 16 20 thread Table Size W 27 1 2 in x D 7 1 8 in Surface height over mounting surface Approx ...

Страница 7: ...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 and or vise fully tightened X Y Z axes locked cutting tool secured Use moderation light cuts low spindle speeds and slow table motion give better safer results than hogging Don t try to stop a moving ...

Страница 8: ... run 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 milling and drilling O Stop R Reverse ccw looking down Figure 3 1 Spindle motor controls Also shown arrowed is the quill locking lever Figure 3 2 Belt adjustment SPINDLE SPEEDS The PM 25MV is a belt dri...

Страница 9: ...er 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 wrench loosen the drawbar one half turn or less just enough to unseat the taper then tap the top of the drawbar with a brass or dead blow hammer to Unscrew the drawbar with one hand while supporting t...

Страница 10: ...12 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 leadscrew nut When the headstock is at the desired height lock it in place All milling operations should be done with the quill as fully retracted into the headstock and locked Figure 3 6 Z axis locks In...

Страница 11: ...l 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 the quill firmly in position Figure 3 7 Quill downfeed controls The lever hub 1 is connected at all times to the quill pinion which engages a rack on the back side of the quill The fine control knob ...

Страница 12: ...utine 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 plane the headstock can be set to any angle up to 90 degrees either side of the normal vertical position Because re establishing true vertical tramming on any mill is a time consum ing process most mac...

Страница 13: ...tor 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 3 12 shows a typical shop made holder it has a threaded arbor allowing the choice of two radius arms 6 and 10 inches measured from spindle centerline to indi cator tip A collet is used to hold the a...

Страница 14: ...tion 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 nuts as you go This will likely call for several iterations There is no right tram the ac ceptable difference in side to side readings depends on project specs As a starting point aim for 0 001 with a...

Страница 15: ...t 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 to make sure that the spindle does not rotate throughout the pro cedure Set the indicator tip against the upper edge of a precision reference bar or if not available use the front face of the fixed jaw ...

Страница 16: ... means practically zero gap between the ways Take time to understand exactly which are the bearing surfaces on the various dovetail surfaces this is not ob vious some of the interfaces look like bearing surfac es but are simply narrow gaps Every few hours of operation 1 Apply the recommend ed way oil with a dedicated short bristle brush such as the type used for applying flux 2 Use a similar brush...

Страница 17: ...mize 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 axis gib adjustment upper screw The lower screw is under the pleated way cover Figure 4 3 X axis backlash adjustment Figure 4 4 Y axis backlash adjustment Both options are two man procedures DOWNFEED R...

Страница 18: ...quill assembly from the 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 quill and should remain in the DRO case SPINDLE BEARINGS The spindle runs on grease lubricated tapered roller bearings These should be serviced every 500 hours of running time T...

Страница 20: ...20 PM 25MV v9 2021 12 Copyright 2021 Quality Machine Tools LLC HEAD COMPONENTS Fig 2 There may be detail differences between this representative drawing and the machine as supplied ...

Страница 21: ...le 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 Pinion shaft Z5249 42 Key 4 x 12 Z5250 43 Screw M6 x 12 set Z5251 44 Pin 5 x 10 Z5252 45 Retaining ring 45 ext Z5253 46 2 step spindle pulley Z5254 47 Screw M6 x 8 set Z5255 48 Screw M6 x 6 set Z525...

Страница 22: ...22 PM 25MV v9 2021 12 Copyright 2021 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: ...M6 Z5319 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 coolant Z5326 43 Z axis pleated cover Z5327 44 Support bracket Z5328 45 Nut M10 Z5329 46 Washer lock M10 Z5330 47 Washer plain M10 Z5331 48 T bolt M10 x 60 Z5332 49 Screw M8 x 35 Z5333 50 Washer...

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 millimeters There may be detail differences between this representative drawing and the machine as supplied ...

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