Progressive Die

Progressive die(also known as continuous die) is referred to the punch in a stroke, in a few different positions, at the same time to complete the multi-process die.

Orienson's Progressive Die

Stamping parts in the progressive stamping dieare gradually formed, continuous forming is the technique of work stage concentration, which can make cutting, grooving, punching, plastic deformation, blanking, and other processes completed in a pair of old. According to the actual needs of progressive stampingparts, a number of stamping processes are arranged in a certain order (called the station in the progressive die) for continuous stamping. It can not only complete the blanking process but also can complete the forming process, even the assembly process, many complex progressive stamping toolthat need multi-process stamping can be fully formed on a die, which provides favorable conditions for high-speed automatic stamping. It can be seen that the progressive die is a kind of high-efficiency punching die with multi-stations.

Progressive Die Design

Stamping layout design

The cost of stamping production is mainly the cost of raw materials, so reasonable use of materials is a very important issue in stampingproduction. The arrangement of stamping parts on the steel strip or plate is called the stamping layout. If the layout design is not reasonable, it will cause material waste. To determine whether the layout is reasonable is mainly the utilization rate of reference materials, that is, the percentage of the actual area of the workpiece to the material area. The less the area of waste produced, the higher utilization of materials will be.

The discharging of stamping parts can be divided into three kinds of discharging methods: waste discharge, less waste discharge, and no waste discharge. It is significant to adopt the less or even no waste layout method to reduce the cost of stamping parts and is conducive to producing more products at the same time to improve production efficiency. Meanwhile, because of the reduction of stamping perimeter, the stamping die structure can simplify and pressure reduced. The material utilization rate can reach 95% with no waste discharge, and 70% to 90% with little waste discharge.

Notes on Mold of Progressive Die

(1) Heat treatment: the quenching temperature is too high or not enough, the tempering times and temperature time are inappropriate, and the quenching way and time are not grasped; The problem does not appear until it has been used for some time.

(2) Stamping stacking: sheet overlap is still stamping, usually for stripping board rupture.

(3) Waste blocking: the blanking hole is not drilled or the size is not consistent with the bed table is not cleaned in time, so the punch and the lower template are more damaged.

(4) Punch drop: not properly fixed or suspended, or screw too thin, or punch broken.

(5) Hole escape: the size or depth of hole escape of punch press plate is not enough, or the stripping plate is damaged.

(6) Foreign body entry: products blown out and bounce back, die parts collapse and fall, screw protruding die surface or other items into the die, may damage the stripping plate or plunger chip.

(7) Setting error: damage caused by wrong location and direction of parts.

(8)Spring factors: spring force is not enough or fracture or equal height of the stripping board tilt, or spring preparation is improper, resulting in the damage of overlapping punching parts.

Key Design Points Of Multi-station Progressive Die?

When designing multi-station progressive die, designers should pay attention to the following design points.

① The working procedure should be arranged reasonably.

② To reasonably determine the number of stations and leave vacant stations.

③ Attention should be paid to the design of the layout diagram and the correct drawing of the layout diagram.

④ Perfectly guide material and floating roof device should be designed.

⑤ To design a reliable and stable unloading mechanism. According to different stamping properties, a discharge plate can meet the requirements of multiple functions.

⑥ To design an accurate distance structure.

⑦ The convex and concave die structure design should be reasonable.

⑧ There should be a reliable safety monitoring organization.

⑨ On the premise of satisfying the usage and certain life, we should pay attention to the manufacturability of mold structure design, economical materials, convenient processing and maintenance, and reduce the manufacturing cost of the mold.

As one of the most professional progressive die manufacturers, we provide custom metal stampings, metalwork and stamping, stamped aluminum panels, progressive tooling, progressive metaland etc. Want to know more, contact us.

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