Basic Knowledge of Sheet Metal Processing

Today, sheet metal line development industry is very fast , can be said that no matter which industry can not do without it . But it is not easy to do well. So,Today, sheet metal line development industry is very fast, can be said that no matter which industry can not do without it . But it is not easy to do well. So, how is sheet metal processed? I believe many people are not very clear. Let me introduce the basic knowledge of sheet metal processing. how is sheet metal processed? I believe many people are not very clear. Let me introduce the basic knowledge of sheet metal processing .

1, The selected material is a material generally used in sheet metal processing cold-rolled plate ( SPCC ), galvanized sheet ( the SECC ), copper, aluminum, stainless steel, aluminum and the like . Its role vary , as to how to choose , generally is its purpose , cost and according to customer 's requirements to consider.

2, The process flow of sheet metal processing for any sheet metal part , it has a certain complicated processing process , which is the so-called process flow . With the differences in the structure of each sheet metal part , the process flow is also different . The more complicated sheet metal parts processing technology reaches more than 20 kinds. The general summary is as follows :   

1, Design and draw a part drawing of its sheet metal parts , also called three views .Its role is to express the structure of its sheet metal parts in the form of drawings.

2, Draw an expanded view,that is expand a complex structural part into a flat piece.

3, Blanking, there are many ways of blanking,mainly in the following ways : 

a. Cut bed material, using shears cut length and width dimensions deployed configuration of FIG . If there is punching and corner cutting, turn the punching machine to combine the die punching and corner cutting to form .

b. Feeding the punch, is the use of one or more steps punch plate member structure on the plate after molding punch parts deployed , the advantage is time consuming and shorter , high efficiency , reduce processing costs , it is often used in mass production .

c. NC materials under NC , NC first NC program prepared when cutting , is the use of programming software , the preparation will be drawn into the expanded FIG NC NC machine can identify the program . It is allowed with these programs step by step in an iron , structural shape of the flat plate member is punched out .

d. Laser cutting  , using a laser cutting method , the cut out piece of iron on the structure of the shape of the plate member .

4, Flanging and tapping , also known as pumping ,is to draw a larger hole on a smaller base hole , and then tap on the pumping hole . Doing so can increase its strength and avoid slipping teeth . Sheet metal processing is generally a relatively thin thickness is used , when a large plate thickness , such as 2.0 , 2.5 or more like the thickness , we can directly tapped , without cuffs .

5, Punch processing,punch processing generally includes punching angle cutting, punching blanking, punching convex hull, punching tearing, punching and other processing methods . In order to achieve the processing purpose , the processing requires a corresponding mold to complete the operation . With the use of advanced CNC punching equipment, the effects of punching are visible to everyone.

6, Pressure riveting , pressure riveting studs, pressure riveting nuts, pressure riveting screws, etc. are often used . The method of pressure riveting is usually completed by punching or hydraulic riveting machine , and riveting it to the sheet metal parts .

7, Bending,bending is to 2D flat plate member , folded 3D parts . The processing requires a folding bed and corresponding bending mold to complete the operation . Dongguan Yifeng introduced a number of foreign advanced bending machines, and it bends according to the principle of first folding without interference for the next knife , and later folding with interference , which is more efficient, fast and first-class.

8, Welding,the welding is a welding together a plurality of parts , to achieve the purpose of processing a single part or a welded seam , in order to increase its strength . Processing side which generally have the following : CO2 gas shielded arc welding, welding, spot welding, welding robots . The selection of these welding methods is based on actual requirements and materials . At the same time, the welding technology of senior technicians also has high requirements.

9, The surface treatment , the surface treatment generally electrophoresis , oil paint, oxide , powder coating, sandblasting and the like . Each surface treatment has its outstanding advantages, and the selection of specific surface treatment methods is based on the customer's requirements . If the customer needs professional advice, our company will fully cooperate with the customer's requirements and make everyone satisfied. product.

10, The assembly,called the assembly is a plurality of parts or components in a certain manner together stand group, making it a full production product. One thing to note is the protection of the product , not scratches . Assembly is a production of the final step in the completion of the product , if the product because of bruised plan can not be used , to be done over again , we would waste a lot of processing time , increased product costs . Therefore pay special attention to the protection of the product .

At last sheet metal processing technology for processing, the advanced equipment is an important factor, in addition to processing technology requirements are very high, so we need to optimize its processes , making it a Good product or achieve a specific purpose .