Plasma / air shield 260 a, Metric, English – Hypertherm HPR260 Manual Gas Preventive Maintenance Program Rev.5 User Manual

Page 301

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APPENDIX D – BEVEL CUTTING

HPR260 Auto Gas

Instruction Manual

d-5

Mild steel bevel cutting

O

2

Plasma / Air Shield

260 A

220545

220398

220541

220603

220436

220542

Flow rates – lpm/scfh @ 3/4" setting

O

2

Air

Preflow

0 / 0

130 / 275

Cutflow

42 / 88

104 / 220

Notes: Bevel angle range is 0° to 45°. Water tube 220571

must be used with these

consumables.

Select

Gases

Set

Preflow

Set

Cutflow

Minimum

Clearance

Equivalent

Material

Thickness

Torch-to-Work

Distance

Cutting

Speed

Initial Pierce

Height

Pierce Delay

Time

Plasma Shield Plasma Shield Plasma Shield

mm

mm

mm

mm/m

mm factor %

seconds

O

2

Air

22

49

76

46

2.0

6

2.8 – 7.6

6500

8.5

300

0.3

10

4440

12

3850

0.4

80

49

15

3.6 – 7.6

3130

9.0

250

0.5

20

2170

0.6

22

1930

0.7

84

25

1685

0.8

28

4.8 – 7.6

1445

9.5

200

0.9

32

1135

1.0

38

895

1.2

44

580

Edge start

50

405

58

290

64

195

Metric

Select

Gases

Set

Preflow

Set

Cutflow

Minimum

Clearance

Equivalent

Material

Thickness

Torch-to-Work

Distance

Cutting

Speed

Initial Pierce

Height

Pierce Delay

Time

Plasma Shield Plasma Shield Plasma Shield

in

in

in

ipm

in

factor %

seconds

O

2

Air

22

75

70

70

0.080

1/4

0.110 – 0.300

245

0.330

300

0.3

3/8

180

1/2

145

0.4

75

75

5/8

0.140 – 0.300

115

0.350

250

0.5

3/4

90

0.6

7/8

75

0.7

80

1

65

0.8

1-1/8

0.190 – 0.300

55

0.380

200

0.9

1-1/4

45

1.0

1-1/2

35

1.2

1-3/4

22

Edge start

2

15

2-1/4

12

2-1/2

8

English

5

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