Hypertherm HPR400XD - Thick Stainless Steel Moving Pierce Parameters

14
Thick stainless steel moving pierce parameters
The following tables contain the moving pierce parameters (both English and metric) that have been developed for
piercing up to 4 inches (100 mm) of stainless steel.
Table 4 – Thick stainless steel moving pierce (MP) parameters – English
Process
Thickness
(inch)
Speed 1
(ipm)
Speed 2
(ipm)
Speed 3
(ipm)
Segment 1
(inch)
Segment 2
(inch)
Segment 3
(inch)
Transfer Height Factor
(% Cut Height)
Pierce Delay
(Seconds)
Percent Moving Delay
(% Pierce Delay)
Pierce Height Factor
(% Cut Height)
Pierce End Height Factor
(% Cut Height)
Cut Height Delay
(Seconds)
Cut Height
(inch)
MP AVC Delay
(Seconds)
800 A
H35/ N
4406112 11.515065047527580.52
400 A
H35-N/ N
3 45 20 10 0.998 0.417 2.5 300 8 50 500 250 3 0.25 4
400 A
H35-N/ N
2 45 15 20 0.75 0.417 1.5 300 4.8 50 500 250 0.5 0.25 5.7
Table 5 – Thick stainless steel moving pierce (MP) parameters – metric
Process
Thickness
(mm)
Speed 1 (mm/m) Speed 2 (mm/m) Speed 3 (mm/m)
Segment 1
(mm)
Segment 2
(mm)
Segment 3
(mm)
Transfer Height Factor
(% Cut Height)
Pierce Delay
(Seconds)
Percent Moving Delay
(% Pierce Delay)
Pierce Height Factor
(% Cut Height)
Pierce End Height Factor
(% Cut Height)
Cut Height Delay
(Seconds)
Cut Height
(mm)
MP AVC Delay
(Seconds)
800 A
H35/ N
100 1016 152 279 50.8 25.4 38.1 150 6 50 475 275 8 12.7 2
400 A
H35-N/ N
75 1143 508 254 25.3 10.6 63.5 300 8 50 500 250 3 6.4 4
400 A
H35-N/ N
50 1143 381 508 19.1 10.6 38.1 300 4.8 50 500 250 0.5 6.4 5.7