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Hardware

Hardware, refers to the use of gold, silver, copper, iron, tin and other metal through the processing, casting the workpiece, used to fix things, processing things, decoration and so on.

Stamping

Stamping is the most commonly used in hardware, it is through the punch and die on the plate, strip, pipe and profiles such as the external force, so that the plastic deformation or separation, so as to obtain the desired shape and size of the workpiece forming Processing methods, the workpiece is obtained stamping parts. Stamping is a press and mold by plate, tape, pipe and profiles such as the external force, so that the plastic deformation or separation, so as to obtain the desired shape and size of the workpiece (stamping parts) forming method. Stamping and forging the same plastic processing (or pressure processing), collectively known as forging. Stamping blank is mainly hot and cold rolled steel and steel.

The basic knowledge of stamping parts:

Of the world's steel, 60 to 70% of the plate, most of which are finished by stamping. Automobile body, chassis, fuel tank, radiator film, boiler drum, container shell, motor, electric iron core silicon steel and so on are stamping process. Instruments, household appliances, bicycles, office machinery, living vessels and other products, there are a large number of stamping parts.

Stampings and castings, forgings, compared with the thin, uniform, light, strong features. Stamping produces workpieces with stiffeners, ribs, undulations or flanging that are otherwise difficult to manufacture to increase their rigidity. As a result of precision molds, the workpiece accuracy of up to microns, and repeat the high precision, the same specifications, you can stamping holes, bosses and so on.

Cold stamping parts are generally no longer by cutting, or only a small amount of cutting. Hot stamping precision and surface conditions lower than the cold stamping parts, but still better than castings, forgings, cutting less.

Stamping is an efficient production method, the use of composite mold, especially the multi-position progressive die, in a press to complete multiple stamping process, to achieve by the strip unwinding, leveling, blanking to forming, finishing the whole Automatic production. High production efficiency, good working conditions, low production costs, generally can produce hundreds of pieces per minute.

Stamping is mainly classified by process, can be divided into two major categories of separation processes and forming processes. Separation process, also known as blanking, the purpose is to make stampings along a certain contour from the sheet separation, while ensuring the quality of the separation section. The purpose of the forming process is to make the sheet without plastic deformation under plastic deformation conditions, the desired shape and size of the workpiece. In actual production, often a variety of processes integrated application of a workpiece. Blanking, bending, shearing, drawing, bulging, spinning, leveling are several major stamping processes.

Metal stamping parts

The surface and internal properties of stamping sheet have a great impact on the quality of stamping finished products, requiring accurate and uniform stamping material thickness; smooth surface, no stains, no scars, no scratches and no surface cracks; even yield strength, no obvious Directional; uniform high elongation; low yield ratio; low work hardening.

In actual production, commonly used and stamping process similar to the test, such as drawing performance test, bulging performance test materials such as stamping performance test to ensure the quality of finished products and high pass rate.

Mold accuracy and structure of a direct impact on the stamping parts forming and precision. Mold manufacturing costs and life expectancy is an important factor affecting the cost and quality stamping parts. Mold design and manufacturing takes more time, which extends the production of new stamping parts preparation time.

Mold base, mold frame, guide the standardization and development of simple mold (for small batch production), composite mode, multi-position progressive die (for mass production), and the development of rapid die change device to reduce the amount of stamping production preparation And shorten the preparation time can be applied to reduce the amount of preparation for stamping production and shorten the preparation time, can make advanced stamping technology suitable for mass production reasonable to apply to small quantities and more varieties of production.

Stamping equipment in addition to forming thick plate hydraulic press, the general use of mechanical presses. Modern high-speed multi-station mechanical presses as the center, the configuration of open-book, leveling, product collection, transportation and other machinery and mold library and rapid die change device, and the use of computer program control can be composed of high-productivity automatic stamping production line.

In the production of tens per minute, hundreds of pieces of stamping parts, the completion of a short period of time to feed, stamping, the discharge of waste and other processes, often occur personal, equipment and quality accidents. Therefore, the safety of stamping is a very important issue.

Stamping is mainly metal or non-metallic sheet metal, with the pressure of the press through the stamping die stamping process, which has the following main features:

(1) The stamping parts are manufactured by stamping under the condition of small material consumption, and the parts are light in weight and good in rigidity. After the sheet is plastically deformed, the internal structure of the metal is improved, and the strength of the stampings Increased.

(2) stamping parts with high dimensional accuracy, uniform size with the module, a better interchangeability. Does not require further machining to meet the general assembly and use requirements.

(3) stamping parts in the stamping process, since the surface of the material is not damaged, it has a good surface quality, the appearance of smooth and beautiful, which surface painting, electroplating, phosphating and other surface treatment provided a convenient condition.

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Design principles (1) the design of the stamping parts must meet the product use and technical performance, and can facilitate the assembly and repair.

(2) The design of the stamping parts must be conducive to improving the utilization of metal materials, reducing the varieties and specifications of materials, as much as possible to reduce the consumption of materials. Use low-cost materials where possible, spare parts as scrap-less and less waste blanking possible.

(3) The design of the stamping parts must be simple and reasonable structure to facilitate the simplified structure of the mold to simplify the number of processes, that is, with the least, the simplest stamping process to complete the entire parts processing, and then reduce the use of other methods of processing, and is conducive to Stamping operation, easy organization to achieve mechanization and automated production, in order to improve labor productivity.

(4) The design of stamping parts, to ensure the normal use of the case, try to make the level of dimensional accuracy and surface roughness of the lower level requirements, and is conducive to the exchange of products, reduce waste, to ensure product quality and stability.

(5) The design of stampings, should be conducive to the use of existing equipment, process equipment and processes as far as possible to its processing, and is conducive to the extension of die life.

Of the world's steel, 60 to 70% of the plate, most of which are finished by stamping. Automobile body, chassis, fuel tank, radiator film, boiler drum, container shell, motor, electric iron core silicon steel and so on are stamping process. Instruments, household appliances, bicycles, office machinery, living vessels and other products, there are a large number of stamping parts.

Stampings and castings, forgings, compared with the thin, uniform, light, strong features. Stamping produces workpieces with stiffeners, ribs, undulations or flanging that are otherwise difficult to manufacture to increase their rigidity. As a result of precision molds, the workpiece accuracy of up to microns, and repeat the high precision, the same specifications, you can stamping holes, bosses and so on.

Cold stamping parts are generally no longer by cutting, or only a small amount of cutting. Hot stamping precision and surface conditions lower than the cold stamping parts, but still better than castings, forgings, cutting less.

Stamping is an efficient production method, the use of composite mold, especially the multi-position progressive die, in a press to complete multiple stamping process, to achieve by the strip unwinding, leveling, blanking to forming, finishing the whole Automatic production. High production efficiency, good working conditions, low production costs, generally can produce hundreds of pieces per minute.

Stamping is mainly classified by process, can be divided into two major categories of separation processes and forming processes. Separation process, also known as blanking, the purpose is to make stampings along a certain contour from the sheet separation, while ensuring the quality of the separation section. The purpose of the forming process is to make the sheet without plastic deformation under plastic deformation conditions, the desired shape and size of the workpiece. In actual production, often a variety of processes integrated application of a workpiece. Blanking, bending, shearing, drawing, bulging, spinning, leveling are several major stamping processes.

Metal stamping parts

The surface and internal properties of stamping sheet have a great impact on the quality of stamping finished products, requiring accurate and uniform stamping material thickness; smooth surface, no stains, no scars, no scratches and no surface cracks; even yield strength, no obvious Directional; uniform high elongation; low yield ratio; low work hardening.

In actual production, commonly used and stamping process similar to the test, such as drawing performance test, bulging performance test materials such as stamping performance test to ensure the quality of finished products and high pass rate.

Mold accuracy and structure of a direct impact on the stamping parts forming and precision. Mold manufacturing costs and life expectancy is an important factor affecting the cost and quality stamping parts. Mold design and manufacturing takes more time, which extends the production of new stamping parts preparation time.

Mold base, mold frame, guide the standardization and development of simple mold (for small batch production), composite mode, multi-position progressive die (for mass production), and the development of rapid die change device to reduce the amount of stamping production preparation And shorten the preparation time can be applied to reduce the amount of preparation for stamping production and shorten the preparation time, can make advanced stamping technology suitable for mass production reasonable to apply to small quantities and more varieties of production.

Stamping equipment in addition to forming thick plate hydraulic press, the general use of mechanical presses. Modern high-speed multi-station mechanical presses as the center, the configuration of open-book, leveling, product collection, transportation and other machinery and mold library and rapid die change device, and the use of computer program control can be composed of high-productivity automatic stamping production line.

In the production of tens per minute, hundreds of pieces of stamping parts, the completion of a short period of time to feed, stamping, the discharge of waste and other processes, often occur personal, equipment and quality accidents. Therefore, the safety of stamping is a very important issue.

Stamping features:

Stamping is mainly metal or non-metallic sheet metal, with the pressure of the press through the stamping die stamping process, which has the following main features:

(1) The stamping parts are manufactured by stamping under the condition of small material consumption, and the parts are light in weight and good in rigidity. After the sheet is plastically deformed, the internal structure of the metal is improved, and the strength of the stampings Increased.

(2) stamping parts with high dimensional accuracy, uniform size with the module, a better interchangeability. Does not require further machining to meet the general assembly and use requirements.

(3) stamping parts in the stamping process, since the surface of the material is not damaged, it has a good surface quality, the appearance of smooth and beautiful, which surface painting, electroplating, phosphating and other surface treatment provided a convenient condition.

Design principles

(1) The design of the stamping parts must meet the product use and technical performance, and can facilitate the assembly and repair.

(2) The design of the stamping parts must be conducive to improving the utilization of metal materials, reducing the varieties and specifications of materials, as much as possible to reduce the consumption of materials. Use low-cost materials where possible, spare parts as scrap-less and less waste blanking possible.

(3) The design of the stamping parts must be simple and reasonable structure to facilitate the simplified structure of the mold to simplify the number of processes, that is, with the least, the simplest stamping process to complete the entire parts processing, and then reduce the use of other methods of processing, and is conducive to Stamping operation, easy organization to achieve mechanization and automated production, in order to improve labor productivity.

(4) The design of stamping parts, to ensure the normal use of the case, try to make the level of dimensional accuracy and surface roughness of the lower level requirements, and is conducive to the exchange of products, reduce waste, to ensure product quality and stability.

(5) The design of stampings, should be conducive to the use of existing equipment, process equipment and processes as far as possible to its processing, and is conducive to the extension of die life.