Stainless steel solders technical craft sort is allowed first

Stainless steel solders technical craft is phyletic allow first


3 metalloid solder method
The metal solders the method has 40 a variety of, can divide roughly it is 3 kinds: Fusion welding, press solder, drill rod solder. Solder the technology is to apply to metallic mother capable person normally, solder of solder of the arc that be like argon, protection of gas of arc welding, CO2, laser beam welding is received etc. Of course, plastic reach metalloid material to also can solder.
After fusion welding fuses namely, solder, the heat source when fusion welding will wait for welder interface heats quickly fused, form pool of be in harmony. Need not use force, refrigeration hind forms successive welding line to be workpiece join an organic whole. When fusion welding, if the oxygen in not sealed, air is met,oxidation metal reachs alloying element, make welding line forms the blemish such as stomatic, slag inclusion, crackle.
Press solder to be applied namely pressure solder, also call solid state to solder, pass pressurization, make the union between atom comes true below workpiece solid state. Commonly used pressing solder is upset butt welding, report is expedite and fluent cross two workpiece join, resistor ambassador gets temperature to rise, heat to plasticity condition, axial pressure action makes workpiece join makes an organic whole. The characteristic that presses solder is to solder pressure brings to bear on in the process, do not add stuff stuff. The method that press solder won't cause beneficial alloying element to burn caustic and harmful element to invade welding line.
Although drill rod solder serves as fused material to join two workpiece with the material intermediate, the melting point that requirement drill rod expects the melting point under workpiece, after drill rod makings is dissolved, clearance of fill workpiece interface and at diffusing each other between atom of the implementation between labour, come true thereby solder.

Stainless steel solders technical sort is allowed first
1, stainless steel of argon arc solder uses argon arc solder, protective function is better, alloying element is damaged not easily, had transferred, welding line figuration is good, the surface is bright and clean, the connect after solder has good hear resistance and mechanical function. By hand solder of arc of tungsten pole argon is the argon arc solder with wider application, use at soldering normally thin plate of 0.5-3mm stainless steel, use pure argon gas to be protective gas. Be more than the stainless steel of 3mm, use extremely fused argon arc solder, give yield tall, area of welding line hot influence is small, be out of shape small, be able to bear or endure aggressivity is good, benefit implements automation.

2, thin plate of gas welding stainless steel and component of thin wall canal solder can use gas welding, gas welding benefit agile, suit the welding line of all sorts of positions and space. Use lesser solder mouth to avoid overheat normally, neuter blaze is used when soldering, gas welding pink uses gas agent 101, left solder method had better be used when soldering, mouth of solder fire solder and weldment become 45 degrees of part, inner cone is apart from bath interval to must be more than 2mm. Welding wire termination and bath are contacted, move along welding line together with blaze, solder fire is not made transverse swing, solder fast want fast, avoid as far as possible discontinuous.

3, manual solder is used the most general solder method. Can use at soldering all material, hand controls electric arc length, use direct current normally, electrode regards electric arc as carrier, also regard welding line fill as material. Electrode by alloy or blame alloy metal core silk and welding rod coating are comprised. This coating protects welding line not to suffer airy enroach on, at the same time not random electric arc. It still causes the formation of broken bits layer, protective welding line makes it shapes. Welding electrode can be titanium welding rod, also can be close sex, this decides the ply at coating and part. Titanium welding rod solders easily, welding line is compressed and beautiful. In addition, solder broken bits easily purify. If time of welding rod keep in storage is long, indispensible and new roast. Because come from airy humidity,can be very fast in welding rod be latent.
4, the stainless steel that buries arc solder to bury arc seam to be used at medium ply above board (6~50mm) solder, use the solder that bury arc to give yield tall, welding line quality is good, but easy cause what alloying element reachs foreign matter to slant analyse.
5, MIG/MAG solders metallic pole gas protects solder, automatic gas protects arc welding to accept a method, electric arc falls to be burned between voltaic carrier tinsel and workpiece in protective gas screen receive, the tinsel that the machine sends serves as welding rod, melt below oneself electric arc. MIG/MAG solders the law is the world on most extensive solder method. Of alloy steel of operable Yu Gang, blame, low-alloy steel, tall alloy steel solder. Use active gas to be like carbon dioxide to protect gas.

6, TIG solders inert gase protects tungsten pole solder, electric arc arises between the tungsten report welding wire in difficult frit and workpiece, the protective gas that uses here is pure argon gas, the welding wire that sends is not live, welding wire already can the hand sends, OK also and mechanical send, also a few specific utility do not need to send welding wire. The material that is soldered decided is using direct current still is alternating current, when using direct current, set of silk of tungsten electric welding is negative pole, because it has very deep solder to show ability, phyletic to differring steel is very appropriate, but ” of clean without any “ to welding line bath action.



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