KS-KABUTO-02
KABUTO

KS KABUTO SEAL CENTER – NC LATHE WATERPROOF

Structured to keep cutting water away by means of oil seal.
The waterproofing function still works under slower rotation.
The replacement head enables cost reduction.

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NC Lathe Center Head Replaceable Type

 

  • See Technical Specifications (HEAD LIST) for center head types.
  • See Technical Specifications  (ALLOWABLE LOAD & MORSE TAPAR) for revolutions per minute.
  • The difference between types S and P is their waggle accuracy.
  • We recommend that type KFL be used for fine machining or light metal working.
  • Types S and P have the same dimensions.
  • Type KS comes with the center head A and then the center head ejecting drift DHN-1
    (KS-5S and P come with the center head 5A60° and DHN-2).

 

DIMENSIONS TABLE   (UNIT mm)
MODEL TYPE M.T. φD φd φh A B C E F L HEAD TYPE WEIGHT (g)
KS-2Sor2P No.2 37 27 15.5 36.2 30 68 4 22.5 134.2 REPLACEMENT 500
KS-3Sor3P No.3 44 30 16 36.2 42 85 4.5 22.5 163.2 REPLACEMENT 860
KS-4Sor4P No.4 56 32 16 36.2 54 108 5.3 22.5 198.2 REPLACEMENT 1,700
KS-5Sor5P No.5 73 52 26 60.5 66 136 6.3 38 262.5 REPLACEMENT 3,900

* Dimensions are subject to change for alteration without prior notice.

 

 

 

  • The photo and dimensional drawing show the rigid (quenched) head, but the carbide head is also available.
DIMENSIONS TABLE    *For KS-A, B, please choose steel (tempered product) or with carbide.  (UNIT mm)
MODEL TYPE M.T. φD φd A B C E L HEAD TYPE WEIGHT (g) CARBIDE DIAMETER
KS-3A No.3 44 26 34 42 85 4.5 161 INTEGRAL 850 φ12
KS-4A No.4 56 32 41 54 108 5.3 203 INTEGRAL 1,750 φ14
KS-5A No.5 73 40 48 66 136 6.3 250 INTEGRAL 3,650 φ18

* Dimensions are subject to change for alteration without prior notice.

 

  • The photo and dimensional drawing show the rigid (quenched) head, but the carbide head is also available.
DIMENSIONS TABLE *For KS-A, B, please choose steel (tempered product) or with carbide.  (UNIT mm)
MODEL TYPE M.T. φD φd φh A B C E L HEAD TYPE WEIGHT (g) CARBIDE DIAMETER
KS-3B No.3 44 22 10 36 42 85 4.5 163 INTEGRAL 830 φ7
KS-4B No.4 56 30 12 49 54 108 5.3 211 INTEGRAL 1,700 φ10
KS-5B No.5 73 38 18 59 66 136 6.3 261 INTEGRAL 3,650 φ14

* Dimensions are subject to change for alteration without prior notice.

HEAD LIST

HEAD LIST

LOAD CAPACITY & MORSE TAPAR TABLE

  • ASSUME BEARING LIFE OF 2000 HOURS   (UNIT kgf)

KFL & KFN

KFL
KFN
 MORSE TAPER LOAD / rpm 500 1,000 2,000 3,000 4,000 5,000 6,000 7,000
M.T.-3 RADIAL 330 238 192 161 146 137 129 96
THRUST 196 140 113 95 86 81 75 60
M.T.-4 RADIAL 527 419 332 290 264 244 230 172
THRUST 300 238 189 165 150 139 130 104
M.T.-5 RADIAL 705 577 454 409 360 325 306 230
THRUST 470 385 303 273 240 217 204 153

KS & KSN

KS
KSN
 MORSE TAPER LOAD / rpm 500 1,000 2,000 3,000 4,000 5,000
M.T.-2 RADIAL 168 135 107 93 84 78
THRUST 221 177 140 122 111 104
M.T.-3 RADIAL 237 190 151 132 120 110
THRUST 312 250 198 173 157 145
M.T.-4 RADIAL 425 340 268 235 213 198
THRUST 556 445 353 308 280 260
M.T.-5 RADIAL 630 504 400 349 317 294
THRUST 780 662 525 460 417 387

KC & KCW

KC
KCW
 MORSE TAPER LOAD / rpm 50 150 500 1,000 2,000 3,000
M.T.-1 RADIAL 53 29 24 20 16 12
THRUST 55 37 29 23 20 15
M.T.-2 RADIAL 212 115 95 77 61 48
THRUST 282 189 148 112 97 77
M.T.-3 RADIAL 340 200 160 125 108 86
THRUST 430 298 237 191 155 124
M.T.-4 RADIAL 643 380 302 231 206 164
THRUST 665 445 352 280 245 194
M.T.-5 RADIAL 910 605 485 385 308 –
THRUST 1065 713 564 450 360 –
M.T.-6 RADIAL 2800 2100 1380 1170 – –
THRUST 3750 2770 1850 1470 – –

【NOTES】 Load capacity is a value that shows the lifetime limitation of the bearing, and is therefore not a value for the center itself.

MORSE TAPER TABLE

MORSE TAPER GAUGE LINE ONE-SIDED TAPER ANGLE TAPER RATIO
No.1 Ø 12.065 1° 25′ 43″ 0.049882
No.2 Ø 17.780 1° 25′ 50″ 0.049951
No.3 Ø 23.825 1° 26′ 16″ 0.050196
No.4 Ø 31.267 1° 29′ 15″ 0.051938
No.5 Ø 44.399 1° 30′ 26″ 0.052626
No.6 Ø 63.348 1° 29′ 36″ 0.052138

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