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

 

MK 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:

70"

80"

90"

100"

Swing over cross slide:

53"

63"

73"

82"

Center height over bed:

35"

40"

45"

50"

Center height from floor:

49.07"

51.77"

56.77"

61.77"

Center distance:

81" to 474" (see dimension & center distance chart)

Maximum weight between centers:

33,000 lbs

Maximum weight with steady rest:

37,400 lbs

Maximum unsupported weight in chuck:

19,800 lbs

Small closed steady rest (optional):

1.5" to 15.75"

Small open steady rest (optional):

1.5" to 15.75"

Large closed steady rest (optional):

13.8" to 27.56"

Large open steady rest (optional):

13.8" to 27.56"

Extra large closed steady rest (optional):

26.6" to 39.37"

Extra large open steady rest (optional):

26.6" to 39.37"

Bed

Bed width:

47.5", with standard auxiliary guides: 54"

Bed height from floor:

30"

Leadscrew dia:

2.36"

Leadscrew/feed rod support:

On 120" and longer models

Headstock

Spindle bore:

9" standard, up to 24.02" optional

Spindle nose:

A2-15 to A2-28

No. spindle speed ranges:

4 auto-change variable speed ranges with CSS

Auto variable speed range:

4-700 rpm auto variable speed (see spindle and speed range chart)

Spindle drive motor:

75 hp standard

Carriage

Cross-slide travel:

51"

Compound rest travel:

19.7"

Toolpost:

4-way 12-position with T-slots

Tailstock 

Quill diameter:

11"

Quill travel:

10"

Quill taper:

6MT

Bearing surface on bed ways:

44"

Tailstock movement:

Hydraulic tailstock with rotating quill and hydraulic 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

81"

120"

160"

199"

238"

278"

Length A

215"

254"

293"

333"

372"

411"

Base width B

57.9"

57.9"

57.9"

57.9"

57.9"

57.9"

Overall width C

101"

101"

101"

101"

101"

101"

Height D

70" swing - 78"  

80" swing - 83"

Weight in lbs.

70" swing

49,940

58,740

67,540

76.340

85,140

93,940

80" swing

53,240

62,040

70,840

79,640

88,440

97,240

90" swing

56,540

65,340

74,140

82,940

91,740

100,540

100" swing

59,840

68,640

77,440

86,240

95,040

103,840

 

Center Distance

317"

356"

396"

435"

474"

Length A

451"

490"

529"

569"

608"

Base width B

57.9"

57.9"

57.9"

57.9"

57.9"

Overall width C

101"

101"

101"

101"

101"

Height D

90" swing - 88"

100" swing - 94"

Weight in lbs.

70" swing

102,740

111,540

120,340

129,140

137,940

80" swing

106,040

114,840

123,640

132,440

141,240

90" swing

109,340

118,140

126,940

135,740

144,540

100" swing

112,670

121,440

130,240

139,040

147,840

 

  
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Standard Equipment
  • Chuck guard with limit switch 

  • 75 hp motor with inverter variable speed motor

  • 4 range auto-change variable speed with CSS

  • 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 12-position tool post with T-slots 

  • 2 dead centers

  • 2.36" leadscrew 

  • Leadscrew /feed rod support on 199" and large models

  • Steel leadscrew cover 

  • Coolant system  

  • Auto lube 

  • Thread dial 

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

  • Hydraulic tailstock with rotating quill, hydraulic 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

Cross rapid feeds (in/min)

40

No. of metric threads

60

   Range (mm)

1-56

No. of inch threads

60

   Range (TPI)

1/2-28

No. of module threads

60

   Range (MOD)

0.25-14

No. of diametral pitch threads

60

   Range (mm)

2-112

Leadscrew pitch (TPI)

2

  
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Spindle Bore & Speed Range

Spindle Bore Size

9.05"

10.03"

12.51"