9. WELDING PARAMETERS
مﺎﺤﻠﻟا تﺎﻤﻠﻌﻣ
9./3
9.2 .نﻮﻧﺎﻘﻠﻟ ﺎًﻘﻓو مﺎﺤﻠﻟا تﺎﻤﻠﻌﻣ بﺎﺴﺣ ﺔﻴﻔﻴآ UNI 10520 (01/97): PE 80 (MRS 8(
PE 80 (MRS 8) – UNI 10520 (01-97(
9.2. HOW TO CALCULATE THE WELDING PARAMETERS ACCORDING TO UNI 10520 (01/97): PE 80 (MRS 8)
PE 80 (MRS 8) – UNI 10520 (01-97)
ﻦﻴﺨﺴﺘﻟا حﻮﻟ ةراﺮﺣ ﺔﺟرد
T = 210 ﺔﻳﻮﺌﻣ ﺔﺟرد ±10 ﺔﻳﻮﺌﻣ تﺎﺟرد ﺔﻤﻴﻗ نﻮﻜﺗ ﺎﻣﺪﻨﻋs ﻦﻴﺑ0 و ﻢﻠﻣ12 ﻢﻠﻣ
T = 200 ﺔﻳﻮﺌﻣ ﺔﺟرد ±10 ﺔﻳﻮﺌﻣ تﺎﺟرد ﺔﻤﻴﻗ نﻮﻜﺗ ﺎﻣﺪﻨﻋs ﻦﻣ ﻰﻠﻋأ12 ﻢﻠﻣ
HEATING PLATE TEMPERATURE
T = 210° C ± 10° C when s is in between 0 mm and 12 mm
T = 200° C ± 10° C when s is superior to 12 mm
اﻰﻟوﻷا ﺔﻠﺣﺮﻤﻟ :ﻖﺒﺴﻤﻟا ﻦﻴﺨﺴﺘﻟاو باﺮﺘﻗﻻا
PHASE 1: Approach and pre-heating
A = 0,5 + 0,1×s ]ﻢﻠﻣ [
Approach and pre-heating pressure
A = 0,5 + 0,1×s [mm]
Bead width at the end of pre-heating
ﺔﻴﻧﺎﺜﻟا ﺔﻠﺣﺮﻤﻟا :ﻦﻴﺨﺴﺘﻟا
ﻦﻴﺨﺴﺘﻟا ﻂﻐﻀﻟ ﻰﺼﻗﻷا ﺪﺤﻟا
t
2
= 12 × s ]ﺔﻴﻧﺎﺛ[
ﻦﻴﺨﺴﺘﻟا ﺖﻗ
PHASE 2: Heating
Maximum heating pressure
t
2
= 12 × s [sec]
Heating time
P
2
] =رﺎﺑ[
P
1
7,5
0,015 ×π
ﻢﺴﻗ ﻲﻟﺎﻤﺟﻹا ﻊﻓﺪﻟا]ﻢﺳ
) [ ﺔﺤﻔﺼﻟا ﻊﻟﺎﻃ5(
P
1
= (D - s) × s ×]رﺎﺑ[
P
2
= [bar]
P
1
7,5
0,015 × π
Overall thrust section [cm
] (see page 5)
P
1
= (D - s) × s × [bar]