Phone (800) 323-0972 for your nearest Clausing distributor
 

 

MB Series
Specifications

Center Distance & Dimensions

Standard Equipment

Thread and Feed Range

Spindle Bore & Speed Range

Optional Equipment

Clausing Large Swing Lathe Machine Profile Survey

 
Specifications

Capacity

Swing over bed:

44.6"

50"

60"

70"

Swing over cross slide:

31.9"

37"

47"

57"

Swing in gap:

65"

70"

80"

90"

Gap width from headstock:

23.6"

Center height over bed:

22.3"

25"

30"

35"

Center height from floor:

49.07"

51.77"

56.77"

61.77"

Center distance:

69" to 482" (see dimension & center distance chart)

Maximum weight between centers:

11,000 lbs

Maximum weight with steady rest:

13,200 lbs

Maximum unsupported weight in chuck:

6,600 lbs

Small closed steady rest (optional):

1.5" to 15.75"

Large closed steady rest (optional):

13.8" to 27.56"

Follower rest (optional):

1.5" to 7"

Bed

Bed width:

28", with standard auxiliary guides: 32"

Bed height from floor:

26.77"

Leadscrew dia:

1.97"

Leadscrew/feed rod support:

On 128" and longer models

Headstock

Spindle bore:

6" standard, up to 24.02" optional

Spindle nose:

A2-11 to A2-28

Spindle speed range:

18 step manual gear change on 6" and 9" spindle bore models, 4 range auto change variable speed with CSS on 10.03" and larger spindle bore models (optional on 6" and 9" spindle bore models)

Spindle speeds:

8-800 rpm 18 step manual gearbox, 4-1000 rpm auto variable speed (see spindle and speed range chart)

Spindle drive motor:

40 hp standard

Carriage

Cross-slide travel:

31.5"

Compound rest travel:

17.7"

Toolpost:

4-way 8-position with T-slots

Tailstock 

Quill diameter:

5.7"

Quill travel:

7.87"

Quill taper:

6MT

Bearing surface on bed ways:

23.5"

Tailstock movement:

Manual with saddle pin body movement

Due to on going design improvements or customer requirements, design and specifications are subject to change without notice.

  
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Center Distance & Dimensions

Center Distance

69"

88"

128"

167"

206"

246"

Length A

158"

178"

217"

256"

296"

335"

Base width B

37.4"

37.4"

37.4"

37.4"

37.4"

37.4"

Overall width C

78"

78"

78"

78"

78"

78"

Height D

45" swing - 62"

50" swing - 64"

Weight in lbs.  

45" swing

27,280

29,040

32,560

36,080

39,600

43,120

50" swing

28,160

29,920

33,440

36,960

40,480

44,000

60" swing

30,100

31,680

35,200

38,720

42,240

45,760

70" swing

31,680

33,440

36,960

40,480

44,000

47,520

 

Center Distance

285"

324"

364"

403"

443"

482"

Length A

374"

414"

453"

493"

532"

571"

Base width B

37.4"

37.4"

37.4"

37.4"

37.4"

37.4"

Overall width C

78"

78"

78"

78"

78"

78"

Height D

60" swing - 69"

70" swing - 74"

Weight in lbs.

45" swing

46,640

50,160

53,680

57,200

60,720

64,240

50" swing

47,520

51,040

54,560

58,080

61,600

65,120

60" swing

49,280

52,800

56,320

59,840

63,360

66,880

70" swing

51,040

54,560

58,080

61,600

65,120

68,640

 

  
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Standard Equipment
  • Chuck guard with limit switch 

  • 40 hp motor with star delta start on 6"/9"10" bore models

  • 40 hp motor with inverter variable speed motor on 12" and larger bore models

  • 18 step manual gear change on 6"/9"/10" bore models

  • 4 range auto-change variable speed with CSS on 12" and larger bore models (optional on 6"/9"10" bore models)

  • Auto power off with 2 adjustable position stops

  • Lockable main switch

  • Electrical cabinet ventilation fans 

  • Electromagnetic spindle brake

  • 6-way rapid traverse  

  • 6-way power feed

  • 4-way 8-position tool post with T-slots  

  • 2 dead centers

  • 1.97" leadscrew 

  • Leadscrew /feed rod support on 128" and large models

  • Steel leadscrew cover 

  • Coolant system  

  • Auto lube 

  • Thread dial 

  • QIK Threading system and A.P.I. threads

  • Manual tailstock with saddle pin body movement and anti slip lock

  • Gears and bed ways hardened and ground 

  • Traveling splash guard 

  • Built-in air power supply tube

  • Halogen work light

  • Leveling screws and pads

  • Tools, toolbox, operation manual

  
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Thread and Feed Range

Longitudinal feeds (in/rev)

0.0018-0.1

Cross feeds (in/rev)

0.0009-0.05

Longitudinal rapid feeds (in/min)

80