Shenzhen Greenbird Technology Co., Ltd.

1.What call to weld?
Answer:2 kinds or more than two kinds of materials(same race or different race), pass to heat or add to press or
Twos counteract, attain the combine of of atom but become the craft process that the permanence link to call to weld.
2.What call an electricity Hu?
Answer:From weld power supply to supply of, at two pole produce strong but last long air to turn on electricity phenomenon-call electricity Hu.
<1> presses the electric current category and can is divided into:Alternate current Hu, direct current Hu and pulse give or get an electric shock Hu.
<2> presses the appearance of give or get an electric shock the Hu and can is divided into:Free electricity Hu and compression give or get an electric shock Hu.(such as etc. ion Hu)
<3> presses the electrode material and can is divided into:Melt a pole electricity Hu and don’t melt a pole an electricity Hu.
3.What call a female material?
Answer:The metals been weld#-be called a female material.
4.What call Rong drop?
Answer: The Han silk after carrying first to be subjected to the heat melts, and to Rong pond transition of liquid metals drop#-be called Rong drop.
5.What call Rong pond?
Answer:Rong Han what the top of the Han piece become have must the liquid metals of several shapes part#-be called Rong pond.
6.What call the Han sew?
Answer:After weld Han piece in become of combine part.
7.What call the Han sew metals?
Answer:From melt of female material and fill that part of metalses that the empress of the metals(Han silk, Han...etc.) concretion become.
8.What call a protection air?
Answer:Weld convenient at the protection metals Rong drop and the Rong pond don’t need is invade by outside and harmful air(hydrogen, oxygen, nitrogen) of air#-protection air.
9.What call to weld a technique?
Answer:Various generic name which weld a method, weld material and weld a craft and weld the equipments etc. and its foundation ories-call to weld a technique.
10.What call to weld a craft?Which contentses does it have?
Answer:Weld one whole set of craft procedure and its technique provision in the process.The contents include:Weld a method and prepare before the Han that process, assemble, welding material, welding an equipments and welding is in proper order and welds an operation and welds craft parameter and Han to handle behind etc.. 
 

11.What call the CO2 weld?
Answer:Use a pure degree>99.98% CO2s do the melt of protection air pole air protection Han-be called CO2 Hans.
12.What call the MAG weld?
Answer:Use mixture air 75# be 95% Ars+25# be 5% CO2s, (the standard go together with a ratio:80% Ars+20% CO2s)do the melt of protection air pole air protection Han-be called MAG Han.
13.What call the MIG weld?
Answer: <1> uses Gao Chun2 Du4 argon gas Ar ≥ 99.99% to do the pole air protection of the melt of protection air to weld aluminum and aluminum metal alloy, copper and copper metal alloy etc. to have color metals;
<2> uses 98% Ars+2% Ars with 2 or 95% Os+5% CO2s do a protection air of melt pole the air protection weld solid stainless steel Han the craft method of the silk#be called MIG Han.
<3> uses Hai+argon sloth hybrid the spirit do to protectively melt the pole air protection Han.
14.What call the TIG(the Wu pole argon Hu Han) weld?
Answer:Use pure Wu or activate Wu(Tu Wu, Shi Wu, Gao Wu, Lan Wu) conduct and actions doesn’t melt the sloth air of electrode a protection an electricity Hu Han and call TIG Han.
15.What call the SMAW(Han electricity Hu Han) weld?
Answer:By hand the work manipulates the Han electricity Hu Han method which carries on weld.
16.What call carbon Hu does the spirit plane?
Answer:Use carbon stick as electrode, with work piece creation electricity Hu, use the compressed air(the pressure 0.5-0.7 Mpas) will melt metals to blow in addition to of a kind of surface process of method.In common use come to Han to sew a pure root, plane an ascent, return to fix blemish...etc.. 

17.CO2 why Han compare Han the electricity Hu Han efficiency Gao?
Answer:
<1> CO2 Han compare Han electricity Hu the Han melt speed and melt coefficient Gao 1-300%;
<2> piece noodles let up 50% than the Han, the Rong spreads amount of metals to reduce 1/2;
<3> assistance time is Han the electricity Hu be 50% of the Han.
Three aggregates:Work effect and Han of the CO2 Hanses electricity Hu the Han compare exaltation multiple 2.02#3.8800%
18.The CO2 why welds to deal with contact ratio Han the electricity Hu weld of Han to deal with contact quality like?
Answer:CO2 Hans sew hot influence the area be small and weld to transform small;CO2 Hans sew to contain amount of hydrogen low(the ≤ 1.6 MLs/100 gs), pore and crack incline to small;CO2 Hans sew to take shape like, the surface and internal blemish is little and explore to harm qualified rate Gao electricity Hu Han at the Han. 
 

19.CO2 why Han ratio Han electricity Hu Han of comprehensive be the cost low?
Answer: <1> piece areas reduce 36-54%, economical fill amount of metals;
<2> lowers to consume an electricity to measure 65.4%;
<3> equipments set class fee to compare with Han, electricity Hu the Han lower 67-80% and decline low cost 20-40%;
<4> reduces an artificial fee, man-hour fee and decline low cost 10-16%;
<5> economical ssistance man-hour, assist to anticipate consume and correct to transform expenses;
Synthesize 5, CO2 Hans can make to weld total cost to lower 39.6-78.7% and equally lower 59%.
20.What call low frequency pulse?Apply which to weld?
Answer:Pulse frequency’s pulse electricity Hu in the 0.5-30 Hzs is called low frequency pulse to weld.Mainly used for the TIG Han that the stainless steel, steel and titanium etc. have color metals.
21.What call medium Pin pulse?Apply which to weld?
Answer:Pulse frequency’s pulse electricity Hu in the 30-500 Hzs is called to weld in the Pin pulse.In order to having electricity Hu to compress an effect, give or get an electric shock Hu concentration, stiffness good, mainly used for thin piece stainless steel, steel and titanium etc. to contain the TIG Han of the color metals and the MIG Han of the stainless steel and aluminum and aluminum metal alloy.
22.CO2 why weld have already splash?
Answer:The Han silk carries Rong drop and Rong pond short circuit contact(short circuit transition) of department, because of mightiness lead the function of heat and Ci constringency make the Rong drop explode to break and produce to splash.The electricity anti- machine and wave form control of the output of the CO2 Han machine can splash to lower to minimum degree.
23.The MIG/MAG big electric current why weld then can carry out to shoot to flow a transition, splash?
Answer:When MIG/MAG weld, various metals all had a short-circuit transition a change for shoot to flow transitional critical electric current a value(such as:φ 1.2 carbon steels, stainless steel Han silk, the electric current I ≥ 260-280 As), give or get an electric shock Hu to present to shoot to flow transitional condition at this time, the realization has never splash to weld.
24.The MIG/MAG small electric current why weld the power supply which to use to take pulse then can carry out to shoot to flow a transition, splash?
Answer:The MIG/MAG weld and weld electric current low at the critical electric current value, the adoption takes the power supply of pulse, its pulse electric current is big to be worth at the critical electric current, give or get an electric shock the Hu can also present to shoot to flow transitional condition, the realization has never splash to weld(such as:The usage is loose to descend the AG2/GE2 pulse MIG/MAG Han machine, φ 1.2 carbon steels, stainless steel, aluminum and the aluminum metal alloy Han silk at the electric current I ≥ 80 As have already carried out pulse to shoot a drop of transition, its pulse electric current Ip ≥ 350 As).
 

1. What call to weld material?Include which contentses?
Answer:Weld the material includes Han, Han silk, Han, air, electrode, Chen mat...etc..
2.What call Han silk?
Answer:Conduct and actions fills metals while weld and use to conduct electricity in the meantime of metals silk-call Han silk.Divide solid Han silk and the medicine Xin Han silk 2 kinds.In common use solid Han silk model number:ER50-6(card number:The H08 Mn2 SiA).
3.Why does the MAG weld to deal with contact the impact tenacity which welds to deal with contact than the CO2 Gao?
Answer:When MAG weld, the live air was 20%, the transition coefficient of the metal alloy chemical element within Han silk Gao, the Han sew of impact tenacity Gao.The CO2 Hans live air is 100%, the manganese in the Han silk, the Huo metal alloy chemical element consociation takes off oxygen, its metal alloy chemical element transition the coefficient be slightly low, the Han sew of impact tenacity not equal to MAG Han Gao.Pound at a tenacity value such as Tang the spirit of mountain steel T MG-51 Han silk(equal to ER50-6) its normal temperature:MAG: 160 Js;CO2: 110 Js.
4.What call the medicine Xin Han silk?
Answer:BE taken book by the thin steel to become circular steel pipe, therein fill with the medicine powder of certain composition in the meantime, through pull to make but become of a kind of Han silk.
5.Why does the medicine Xin Han silk use the CO2 air protection?
Answer:Press the protection method distinction medicine Xin Han the silk has 2:The medicine Xin spirit protects Han silk and the medicine Xin self-preservation Han silk.The medicine Xin spirit protects Han silk to generally use CO2 air to make personal guarantee to protect, belong to the spirit residue consociation protection form, the Han sews to take shape like, comprehensive machine function Gao.
6.The medicine Xin Han silk why does the Han sew a surface meeting to press scar pore?
Answer:Because the medicine Xin Han silk is taken the tube form Han silk that book become by the thin steel, belong to have already sewn Han silk;The humidity in the air will pass the blind side incursion medicine Xin and the solder is damp(can’t dry) and result in the Han sew to press scar pore.
7.Why have technique request to the CO2 air pure degree?
Answer:The general CO2 air is the by-product that the chemical engineering produce and the pure degree is only or so for 99.6%, imply little by little miscellaneous quality and humidity, will sew to bring pore etc. the blemish for Han.Weld the important product must choose to use CO2 a pure degree air with 99.8% ≥ , the Han sews pore little, contain amount of hydrogen low, anti- crack good.
8.Why have higher technique request to the argon gas pure degree?
Answer:Have three kinds of argon gases on the market currently:Pu argon(pure degree 99.6% be or so), pure argon(pure degree 99.9% be or so), Gao Chun2 Ya4(pure degree 99.99%), ex-2 kindses can weld carbon steel and stainless steel;Weld aluminum and aluminum metal alloy, titanium and titanium metal alloy etc. has color metals and must choose to use Gao Chun2 Ya4;Avoid the Han sew and hot influence the area be oxidize and can’t carry on to weld.
 

9.Why does the TIG Han spray a mouth to have all of various specifications?
Answer:Have 4-8 # five kinds of specifications spray a mouth, weld the carbon steel can choose to spray a mouth with 4-5 #s, weld stainless steel and aluminum and aluminum metal alloy should choose to use 6-7 #s to greatly spray a mouth to sew by strengthenning Han and the protection scope of hot influence area.Weld titanium and titanium metal alloy etc. has color metals and should choose to use 7-8 #s to largerly spray a mouth, then can keep Han from sew and the hot influence area be oxidize.
10.What call acidity Han?
Answer:In the medicine skin there is Han of measure the acidity oxide much, if knot 422(E4303), knot 502(E5003) etc.s to hand over direct current two use electric welding.

 11.What call alkaline Han?
Answer:Have already measured the Han that the alkaline oxide implies fluoride in the meantime more in the medicine skin, if knot 507(E5015), knot 506(E5016) etc. electric welding.
12.What call a cellulose type(bottom to sign Han appropriation) Han?
Answer:In the medicine skin there is Han of measure the organic matter much, piping and lamella structure bottom to sign Han appropriation.
<1>,such as E6010(equal to E4310, J425 G), is applicable to beat bottom Han, hot Han and fill Han.
<2> E8010s(equal to E5511, J555) are applicable to hot Han, fill Han and cover noodles Han a layer.
Generally use low hydrogen a bottom cover noodles Han toward the Han; The E7048(equal to J506 X) Han sews shape clean and neat and beautiful.
13.Why does the Han want to strictly dry before the Han?
Answer:The Han usually makes the craft function grow worse because of absorbing tide and result in electricity Hu unsteady, splash aggrandizement, and easy creation pore, crack etc. blemish.Therefore, the Han used to have to strictly dry ago.General acidity Han’s drying temperature 150# is 200 degree and time is an hour;Alkaline Han’s drying temperature 350# is 400 degree , time 1#2 hour, put in 100#150 degree heat preservation box after dry, with use with take.