Ritmo BASIC 160 V1 - Page 80

9. WELDING PARAMETERS مﺎﺤﻠﻟا تﺎﻤﻠﻌﻣ
9./8
9.4 .ﻠﻟا تﺎﻤﻠﻌﻣ بﺎﺴﺣ ﺔﻴﻔﻴآ ـﻟ ﺎًﻘﻓو مﺎﺤ DVS 2207-1: HDPE
9.4. HOW TO CALCULATE THE WELDING PARAMETERS ACCORDING TO DVS 2207-1: HDPE
PE-HD DVS 2207-1 (08/95(
ﻦﻴﺨﺴﺘﻟا حﻮﻟ ةراﺮﺣ ﺔﺟرد
PE-HD DVS 2207-1 (08/95)
HEATING PLATE TEMPERATURE
ﻰﻟوﻷا ﺔﻠﺣﺮﻤﻟا :ﻖﺒﺴﻤﻟا ﻦﻴﺨﺴﺘﻟاو باﺮﺘﻗﻻا
ﻖﺒﺴﻤﻟا ﻦﻴﺨﺴﺘﻟا ﻂﻐﺿو باﺮﺘﻗﻻا
ﻖﺒﺴﻤﻟا ﻦﻴﺨﺴﺘﻟا ﺔﻳﺎﻬﻧ ﺪﻨﻋ زﺮﺨﻟا عﺎﻔﺗرا
PHASE 1: Approach and pre-heating
Approach and pre-heating pressure
0,015 ×π
ﻲﻟﺎﻤﺟﻹا ﻊﻓﺪﻟا ﻢﺴﻗ]ﻢﺳ
2
) [ ﺔﺤﻔﺼﻟا ﻊﻟﺎﻃ5(
P
1
= (D - s) × s × ]رﺎﺑ[
S=spessore
S =ﻚﻤﺴﻟا
s ]ﻢﻠﻣ[
ةرﻮﺳﺎﻤﻟا/ﺔﺒﻴآﺮﺘﻟا
عﺎﻔﺗرﻻا
A ]ﻢﻠﻣ[
ﻰﻟإ ﻞﺼﻳ ﺎﻣ4.5
0,5
4,5 …7
1,0
7 …12
1,5
12 …19
2,0
19 …26
2,5
26 …37
3,0
37 …50
3,5
50
70
40