Johnson Hardware Johnson Vertical Band Saws Rate Reduction for Hard Materials, Speed / Cutting

Page 20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4/29/03

 

MATERIAL

 

ALLOY

 

1/2"

 

1"

 

2"

 

4"

 

7"

 

12"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INCONEL 751,X750

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NICKEL BASE

 

WASPALOY

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

fpm 79 sipm 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALLOY

 

MONEL K500

 

fpm 74 sipm 1

 

fpm 72 sipm 1

 

fpm 70 sipm 2

 

fpm 65 sipm 3

 

fpm 59 sipm 3

 

fpm 51 sipm 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(*HASTELLOY)

 

INCOLOY 901,903,926

 

fpm 68 sipm 1

 

fpm 67 sipm 1

 

fpm 64

sipm 2

 

fpm 60 sipm 3

 

fpm 54 sipm 3

 

fpm 47 sipm 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INCONEL 600,718

 

fpm 68 sipm 1

 

fpm 67 sipm 1

 

fpm 64

sipm 2

 

fpm 60 sipm 3

 

fpm 54 sipm 3

 

fpm 47 sipm 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NI-SPAN-C 902

 

fpm 68 sipm 1

 

fpm 67 sipm 1

 

fpm 64

sipm 2

 

fpm 60 sipm 3

 

fpm 54 sipm 3

 

fpm 47 sipm 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NIMONIC 263

 

fpm 68 sipm 1

 

fpm 67 sipm 1

 

fpm 64

sipm 2

 

fpm 60 sipm 3

 

fpm 54 sipm 3

 

fpm 47 sipm 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RENE 41,UDIMET 500

 

fpm 68 sipm 1

 

fpm 67 sipm 1

 

fpm 64

sipm 2

 

fpm 60 sipm 3

 

fpm 54 sipm 3

 

fpm 47 sipm 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NIMONIC 75

 

fpm 57 sipm 1

 

fpm 56 sipm 1

 

fpm 54

sipm 2

 

fpm 50 sipm 2

 

fpm 45 sipm 2

 

fpm 39 sipm 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASTM A220 (50005)

 

fpm 273 sipm 4

 

fpm 267 sipm 5

 

fpm 257 sipm 7

 

fpm 239 sipm 10

 

fpm 216 sipm 11

 

fpm 187 sipm 12

 

 

CAST IRONS

 

ASTM A220 (60004)

 

fpm 193 sipm 3

 

fpm 189 sipm 4

 

fpm 182 sipm 5

 

fpm 169 sipm 7

 

fpm 153 sipm 8

 

fpm 132 sipm 8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PEARLITIC

 

ASTM A220 (70003)

 

fpm 165 sipm 2

 

fpm 161 sipm 3

 

fpm 155 sipm 5

 

fpm 144 sipm 6

 

fpm 131 sipm 7

 

fpm 133 sipm 7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MALLEABLE

 

ASTM A220 (80002)

 

fpm 142 sipm 2

 

fpm 139 sipm 3

 

fpm 134 sipm 4

 

fpm 125 sipm 5

 

fpm 113 sipm 6

 

fpm 97 sipm 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASTM A220 (90001)

 

fpm 114 sipm 1

 

fpm 111 sipm 2

 

fpm 107 sipm 3

 

fpm 100 sipm 4

 

fpm 90 sipm 5

 

fpm 78 sipm 5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASTM A436 (1B)

 

fpm 170 sipm 2

 

fpm 167 sipm 3

 

fpm 161 sipm 5

 

fpm 149 sipm 6

 

fpm 135 sipm 7

 

fpm 117 sipm 7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRAY IRON

 

ASTM A436 (2)

 

fpm 159 sipm 2

 

fpm 156 sipm 3

 

fpm 150 sipm 4

 

fpm 140 sipm 6

 

fpm 125 sipm 7

 

fpm 109 sipm 7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUSTENITIC

 

ASTM A436 (2B)

 

fpm 142 sipm 2

 

fpm 139 sipm 3

 

fpm 134 sipm 4

 

fpm 125 sipm 5

 

fpm 133 sipm 6

 

fpm 97 sipm 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DUCTILE

 

ASTM A439 (D-2)

 

fpm 91 sipm 1

 

fpm 89 sipm 2

 

fpm 86 sipm 2

 

fpm 80 sipm 3

 

fpm 72 sipm 4

 

fpm 62 sipm 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUSTENITIC

 

ASTM A439 (D2-B)

 

fpm 68 sipm 1

 

fpm 67 sipm 1

 

fpm 64 sipm 2

 

fpm 60 sipm 3

 

fpm 54 sipm 3

 

fpm 47 sipm 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MALLEABLE

 

ASTM A47(50&53ksi)

 

fpm 341 sipm 4

 

fpm 334 sipm 6

 

fpm 321 sipm 9

 

fpm 299 sipm 13

 

fpm 271 sipm 14

 

fpm 234 sipm 14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASTM A48 (20ksi)

 

fpm 261 sipm 3

 

fpm 256 sipm 5

 

fpm 246 sipm 7

 

fpm 229 sipm 10

 

fpm 207 sipm 11

 

fpm 179 sipm 11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GARY IRON

 

ASTM A48 (40ksi)

 

fpm 204 sipm 3

 

fpm 200 sipm 4

 

fpm 193 sipm 6

 

fpm 179 sipm 8

 

fpm 162 sipm 8

 

fpm 140 sipm 9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASTM A48 (60ksi)

 

fpm 114 sipm 1

 

fpm 111 sipm 2

 

fpm 107 sipm 3

 

fpm 100 sipm 4

 

fpm 90 sipm 5

 

fpm 78 sipm 5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASTM A536 (60-40-18)

 

fpm 409 sipm 5

 

fpm 401 sipm 8

 

fpm 396 sipm 11

 

fpm 359 sipm 15

 

fpm 325 sipm 17

 

fpm 280 sipm 17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DUCTILE

 

ASTM A536 (88-55-06)

 

fpm 273 sipm 4

 

fpm 267 sipm 5

 

fpm 257 sipm 7

 

fpm 239 sipm 10

 

fpm 216 sipm 11

 

fpm 187 sipm 12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASTM A536 (100-70-03)

 

fpm 210 sipm 3

 

fpm 206 sipm 4

 

fpm 198 sipm 6

 

fpm 184 sipm 8

 

fpm 167 sipm 9

 

fpm 144 sipm 9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASTM A536 (120-90-02)

 

fpm 136 sipm 2

 

fpm 134 sipm 3

 

fpm 129 sipm 4

 

fpm 120 sipm 5

 

fpm 108 sipm 6

 

fpm 93 sipm 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RATE REDUCTION FOR HARD MATERIALS

Below is a matrix for speed reduction for hard materials. Find the material hardness, either Rockwell (Rc) or Brinell (Bhn), and reduce both band speed and cutting rate by the percentage shown.

HARDNESS (Rc)

HARDNESS (Bhn)

SPEED / CUTTING

Rockwell

Brinell

RATE REDUCTION

Up to 20

226

0%

 

 

 

22

237

5%

 

 

 

24

247

10%

26

258

15%

28

271

20%

 

 

 

30

286

25%

 

 

 

32

301

30%

34

319

33%

36

336

35%

 

 

 

Manual V-16, V-24, VH-24, V-40 & VH-40

20 – Section I

Image 20
Contents Section I Manual Foreword Section I Table of Contents Specifications Model Number Capacity29/03 29/03 Machine Unpacking and Installation Precautions Filling the Speed RegulatorBlade Installation Wheel AlignmentBlade Tensioning Blade GuidesBlade Guides Upper Guide Installation High Speed Roller GuidesAre the same for both single and double bearing assemblies Band Speed Selection 29/03 SAW Blade Selection Speeds and FeedsMaterial Alloy COLD-WORK Nitronic 50,60 Rate Reduction Rate Reduction for Hard MaterialsSpeed / Cutting Preparation of Blade Hydraulic Feed TableWelding Instructions General Description Adjustment Clamping the Blade EndsWelding AnnealingRE-FINISHING the Weld Welder Layout and Controls Welder MaintenancePoor Welds / Trouble Shooting Always Contact Dake Before Removing the Welder Machine MaintenanceUSE of Standard and Optional Accessories Slots