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23

PM 25MV v9 2020-10

Copyright © 2020 Quality Machine Tools, LLC

Ref Description 

Part

1

Base

Z5285

2

Gib, Y-axis

Z5286

3

Gib adjust screw

Z5287

4

Y-axis leadscrew

Z5288

5

Key: flat, 5 x 16

Z5289

6

Ball bearing: 51103

Z5290

7

Y-axis support flange

Z5291

8

Screw: M8 x 20 skt hd

Z5292

9

Graduated dial

Z5293

10

Handwheel

Z5294

11

Washer: flat, M10

Z5295

12

Locknut: M10

Z5296

13

Handle

Z5297

14

Leaf spring

Z5298

15

Oiler: 6

Z5299

16

Saddle, X-Y

Z5300

17

Friction pin

Z5301

18

Lock handle: M8 thread

Z5302

19

Stop/indicator block

Z5303

20

Screw: M5 x 12 skt hd

Z5304

21

X-axis leadscrew nut

Z5305

22

Washer: flat, M6

Z5306

23

Washer: lock, M6

Z5307

24

Screw: M6 x 20 skt hd

Z5308

25

Screw: M5 x 20 skt hd

Z5309

26

Screw: M6 x 40 skt hd

Z5310

27

Y-axis leadscrew nut

Z5311

28

Screw: M5 x 16 skt hd

Z5312

29

Y-axis cover stiffener

Z5313

30

Washer: flat, M5

Z5314

31

Screw: M6 x 16 skt hd

Z5315

32

Pin: taper, 6 x 25

Z5316

33

X-axis support flange: L

Z5317

34

Table

Z5318

35

Nut: square 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: lock, M 8

Z5334

51

Washer: plain, M 8

Z5335

52

Saddle, Z-axis

Z5336

53

Z-axis leadscrew

Z5337

54

Z-axis leadscrew nut

Z5338

55

Washer: plain, M 12

Z5339

56

Pin: taper, 6 x 35

Z5340

57

Washer: lock, M 12

Z5341

58

Screw: M12 x 60

Z5342

59

Column

Z5343

60

Column cap

Z5344

61

Screw: M5 x 8 skt hd

Z5345

62

Bevel gear A

Z5346

63

Screw: M6 x 8, set

Z5347

64

Pad

Z5348

65

Key: flat, 4 x 16

Z5349

66

Lifting gear shaft

Z5350

67

Locknut: M12

Z5351

68

Washer: plain, M 12

Z5352

69

Collar

Z5353

70

Graduated dial

Z5354

71

Bevel gear B

Z5355

72

Ball bearing: 51102

Z5356

73

Z leadscrew bracket

Z5357

74

Screw: M5 x 14

Z5358

75

Z-axis scale

Z5359

76

Washer

Z5360

77

Gib, Z-axis

Z5361

78

Tilt scale

Z5362

79

Lock handle: swivel, M8

Z5363

Dimensions in millimeters

TABLE, COLUMN, & BASE COMPONENTS  

Fig 3

Summary of Contents for PM 25MV-BD

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 19: ...19 PM 25MV v9 2020 10 Copyright 2020 Quality Machine Tools LLC Section 5 PARTS Model PM25MV BD ELECTRICAL SCHEMATIC Fig 1...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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