How much do you know floor of the main door? Along with the small make up together and have a look!

　　Each floor of the main door door switch corresponding to a resident's extension, is actually a power supply switch, switch press, through to the power of the house. The inside of the engine power, engine musical voice. Extension after picking machine fork reed switches will switch to the amplifier circuit part, can undertake the intercom. So the doorbell in households has six lines, in addition to a ring is different, other are in parallel.

　　Do you know how do the main door stainless steel floor routine maintenance and cleaning? Stainless steel gate house door in the process of long distance transport, often touch the flower, the phenomenon such as scratches. So in the process of transportation to avoid stainless steel and carbon steel contact wire rope or other sharp, in order to avoid bruising and scratch the surface.

　　Stainless steel pieces of processing site to be relatively stable, the worktable should bedding rubber cushion, so as not to damage the surface of stainless steel. Stainless steel material, the plate should be used in cutting or plasma cutting, pipe and other profile should be used in plasma cutting or cutting. Shear laid rubber cushions, avoid damage the surface, plasma cutting, should be timely clean cutting slag, sawing, clip JinChu should be padded to protect. Clear in time after cutting cutting oil, residue, etc.

　　Stainless steel pieces, before the installation of welding must carefully clean up the surface oil, dirt and other debris. Welding should be as far as possible when using argon arc welding. If use manual arc welding, the application of small current fast welding, it is strictly prohibited in the arc welding area. Used ground should choose appropriate location, connection is firm, in order to avoid surface arc burns or burns too, when welding splash proof measures should be taken. When clean the welding slag after welding application, with flat stainless steel carbon steel flat class must not be used. Welds should seriously grinding, make the smooth transition of weld and parent metal surface, can not have slag, porosity, bite edge, splash, quality defects such as cracks, incomplete fusion.