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Posted on Dec 13, 2019
Regarding industrial applications, deep drawing press is used to manufacture furniture, sports facilities, consumer electronics and household appliances.
Hydraulic deep drawing press is one of the most commonly used presses in the forming industry today. Any manufacturer can use it to make various industrial items as well as items for daily use. Other methods for metal forming include bending, straightening, drawing, compression molding, forging, etc.
Many hydraulic deep draw presses are used in furniture, sports equipment, consumer electronics and household appliances. The size of the die determines the tonnage of the deep draw press to be selected. If the manufacturer needs to produce a product with a size significantly different from the ordinary product, the tonnage of the hydraulic deep drawing press will be different.
Deep drawing can be performed on conventional and unconventional deep draw presses. The main purpose of the unconventional deep draw presses is to expand the original formability limit of the work piece. Unconventional processes include Aqua-drawing process, hydro-mechanical deep drawing, Hydro-forming process, etc.
These unconventional deep drawing operations are designed by the press manufacturer for specific purposes, and are allowed various modifies according to the customer's molding needs. Compared with try out press and ordinary production press, the mechanical force of the hydraulic deep drawing press will be much greater, because this machine is dedicated to deep drawing on the work piece.
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Since deep drawing press machines need to deep draw a large number of work pieces, their mechanical strength will be limited to many production conditions. Therefore, many hydraulic deep draw presses are equipped with heavy-duty emulsions, phosphates, white lead, and wax films to reduce the huge friction generated during operation.
Manufacturers of hydraulic deep drawing press machines may use materials with high tensile strength to make the machine more accurate, and the platen parallelism of the press can be better adjusted under larger deep drawing pressures. Modern hydraulic deep drawing press machines are designed with many safety devices to ensure the safety of dies and press operators.
With more comprehensive protection of machine operators and dies, the production will be in a better state, which can bring excellent product quality to manufacturers and their customers.
The design of many hydraulic deep drawing machines has distinctive features, especially in the rigid drawing phases, because the punches that caused one end to cut is necessary to damage the other side of the die part.
Contrary to hydraulic deep drawing press, die and mold spotting presses are designed specifically for die and mold spotting task. If it is applied to die spotting, the setting of the press will be very different from those used for deep drawing operations. The die spotting press focuses on trial, while the deep drawing focuses on batch production. Experienced press operators know how to tilt the plate and setting according to the different task.
Before deep drawing processing, die spotting is a necessary pre-step. Therefore, die spotting press is one of the most common presses in industrial applications. Die spotting press is used by many manufacturers in the production line of various molded products, which are mainly used in automotive, consumer electronics and household appliances. The tonnage of die spotting presses depends on the size of the die. When the size of die is very different from the ordinary ones, the tonnage of the die spotting press will be different.
The mechanical force of the die spotting press is usually small, because the main task of the die spotting press is to check whether the contact points and surfaces of the upper and lower molds fit.
Since die spotting press is not used in actual production, its mechanical performance will depend on many other conditions. For example, many die spotting presses are equipped with a reverse casting design (mostly 180 degrees). This design allows the operator to perform detailed inspections on the upper and lower molds. The mold material may be metal, plastic or other synthetic materials, and different materials require different inspection methods. Therefore, the die spotting press must provide a fully mature and accurate spotting capability. Some press suppliers also provide an optional wax trail system to check the closing accuracy, which helps the operator to complete the work.
In sum, deep draw presses are very effective for the automotive industry and the household appliance industry. When used with a die spotting press, the deep drawing function can be fully exerted.
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