A-Hand Technology G85J, Operation Instructions Manual

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A-hand Technology Co., Ltd of Suzhou Industrial Park(215021) Operation instructions
Address: NO.88 Tangzhuang Road Suzhou-Singapore Industrial Park China
Tel: +86-512-6252-9140 Fax: +86-512-6252-2140
URL:http:// www.a-hand.com
Typical welded tube(external diameter×wall thickness) 16×2 19×2 25×2 32×3 38×3 45×3 51×3 57×3
welds prepares
1
Tube stretching(mm)
2.5-4 3-4 3.5-4 4-6 5-8 5-8 6-9 5-9
2 Tube bridge(mm)
≥4 ≥5 ≥6
3
Welding wire‘s
diameter(mm)
0.8 1
4
Protective gas
flow(L/min)
8 10
5
Tungsten electrode‘s
diameter(mm)
ф2.4 ф3.2
6 Stretching length(mm) 10
7
Tungsten
electrode‘s
height(mm)
2 2.5
8 Ceramic nozzle ode(#) 6 6/8 8
9
Tungsten electrode‘s
taper angle
20 30
10
Tungsten
electrode‘s
platform height(mm)
0.2-0.4 0.2-0.4 0.3-0.6 0.4-0.6 0.4-0.6 0.5-0.8 0.5-0.8 0.5-0.8
11 Welding torch angle( º ) 20
Main parameters
setting of single coil
welding
1 Pre-ventilation(s) 3
2 Lag gas (s) 3 5 8
3 Premelting time(s) 2
4 Premelting current(A) 90 100 160A 180
5 Running angle( º ) 368
6
peak time(ms)
150 180 200 250 250 250 300 300
7 Peak current(A) 135 135 170 245 255 255 265 260
8 Background time(ms) 150 180 200 250 250 250 300 300
9 Background current(A) 50 55 50 60 75 75 80 80
10 decay time(s) 4
11
Welding
speed( mm/min) 86 93 99 97 88 84 77 73
12 Feeding start( º ) 1
13
Wire feeding
speed( mm/min)
310 490 600 800 900
14 Stop feeding angle( º ) 360
15 back suction time(s) 0.4
Two continuous
welding; Main
parameters between
0~360
1 Peak time(ms) 200 250 250 250 300 300
2 peak current(A) 170 230 245 245 255 255
3 Background time(ms) 200 250 250 250 300 300
4 Background current(A) 50 60 75 75 80 80
5
Welding
speed( mm/min) 99 97 88 88 77 73
6
Wire feeding
speed( mm/min)
300 250 250 250 250 250
Two continuous
welding; Main
parameters between
360~720
1 Peak time(ms) 200 250 250 255 300 300
2 peak current(A) 170 245 255 255 265 265
3 Background time(ms) 200 250 250 250 300 300
4 Background current(A) 50 60 75 75 80 80
5
Welding
speed( mm/min) 99 97 99 99 77 73
6
Wire feeding
speed( mm/min)
400 800 900 900 900 900
Note: If there is groove of 45 º × 2 in the tube plate, the user can ues continuous two welding procedures of different partition section with the welding angle set at
730 º , while the first section is 0~360 º and the second section is 360~720 º .