Molds and presses are two key factors in determining stamping quality, precision and productivity. Advanced presses can only be fully effective and achieve good results if they are equipped with advanced molds. The development direction of the mold is:
First, make full use of IT technology to develop mold design and manufacturing. The ever-increasing demands of users on press speed, accuracy, and mold change efficiency have promoted the development of molds. The shape of the body and the engine are two key components of the car. The car body mould, especially the large and medium-sized cover mould, is technically intensive and reflects the level of contemporary mould technology and is an important part of the body manufacturing technology. The design and manufacture of body molds accounted for about two-thirds of the car development cycle and became the main constraint for car replacement. At present, the world's car replacement is about 48 months, while the United States only needs 30 months. This car benefits from the application of CAD/CAE/CAM technology and 3D solid steam cover in the mold industry. Mold structure design software. In addition, the wide application of network technology provides a reliable information carrier, enabling off-site design and off-site manufacturing. At the same time, the application of IT technology such as virtual manufacturing will also promote the development of the mold industry.
Second, shorten the test time of metal forming molds. At present, the development of hydraulic high-speed test presses and tensile mechanical presses, especially on mechanical presses, can reduce the test time by 80% and has great potential for savings. The development trend of this type of test-type mechanical press is to use a multi-link stretching press equipped with a numerically controlled hydraulic stretching pad with parameter setting and state memory function.
Third, the progressive die in the body manufacturing has developed rapidly. The use of progressive punching or combination die machining of rotors, stator plates, or for the operation of connectors on automatic punch presses is a well-known stamping technique. In recent years, progressive combination punching dies have been available in body construction. More and more widely used, the progressive die is used to directly process the coil into molded parts and tensile parts. The processed parts are also getting larger and larger, eliminating the need for subsequent processes such as cutting, oiling, and slab transportation of the plates that must be connected in series with multi-station presses and complete sets of molds. Progressive combination dies have been commonly used in the automotive industry in the United States. They have the advantages of high productivity, low mold cost, no need for sheet shearing, and a 30% savings compared to stepped molds used on multi-station presses. However, the application of the progressive combination die technology is limited by the depth of the stretching, the guiding and the surface hardening of the material of the strip material. It is mainly used for simple parts with shallow drawing depth, so it cannot completely replace the multi-station press. Most parts should be considered for processing on multi-station presses.
First, make full use of IT technology to develop mold design and manufacturing. The ever-increasing demands of users on press speed, accuracy, and mold change efficiency have promoted the development of molds. The shape of the body and the engine are two key components of the car. The car body mould, especially the large and medium-sized cover mould, is technically intensive and reflects the level of contemporary mould technology and is an important part of the body manufacturing technology. The design and manufacture of body molds accounted for about two-thirds of the car development cycle and became the main constraint for car replacement. At present, the world's car replacement is about 48 months, while the United States only needs 30 months. This car benefits from the application of CAD/CAE/CAM technology and 3D solid steam cover in the mold industry. Mold structure design software. In addition, the wide application of network technology provides a reliable information carrier, enabling off-site design and off-site manufacturing. At the same time, the application of IT technology such as virtual manufacturing will also promote the development of the mold industry.
Second, shorten the test time of metal forming molds. At present, the development of hydraulic high-speed test presses and tensile mechanical presses, especially on mechanical presses, can reduce the test time by 80% and has great potential for savings. The development trend of this type of test-type mechanical press is to use a multi-link stretching press equipped with a numerically controlled hydraulic stretching pad with parameter setting and state memory function.
Third, the progressive die in the body manufacturing has developed rapidly. The use of progressive punching or combination die machining of rotors, stator plates, or for the operation of connectors on automatic punch presses is a well-known stamping technique. In recent years, progressive combination punching dies have been available in body construction. More and more widely used, the progressive die is used to directly process the coil into molded parts and tensile parts. The processed parts are also getting larger and larger, eliminating the need for subsequent processes such as cutting, oiling, and slab transportation of the plates that must be connected in series with multi-station presses and complete sets of molds. Progressive combination dies have been commonly used in the automotive industry in the United States. They have the advantages of high productivity, low mold cost, no need for sheet shearing, and a 30% savings compared to stepped molds used on multi-station presses. However, the application of the progressive combination die technology is limited by the depth of the stretching, the guiding and the surface hardening of the material of the strip material. It is mainly used for simple parts with shallow drawing depth, so it cannot completely replace the multi-station press. Most parts should be considered for processing on multi-station presses.
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