Mold Design& Manufacturing

The power press stamping molds/tools are including:

1. progressive die,

2. Stage mold (single stage mold),

3. Transfer mold (with transfer system)

What is the difference between progessive die, stage mold and transfer mold?

Continuous die (also known as progressive die, step die) refers to the press in a stroke, in turn in several different positions, at the same time to complete a number of procedures of the die. Blanking parts are gradually formed in the continuous die, continuous forming is a process method of process concentration, can make the edge cutting, incision, groove cutting, punching, plastic deformation, blanking and other processes in a mold to complete. According to the actual needs of stamping parts, according to a certain order arranged a number of stamping processes (called in the progressive die station) for continuous stamping. It can not only complete the blanking process, but also complete the forming process, and even the assembly process, many complex stamping parts that need multi-process stamping can be completely formed on a die, which provides favorable conditions for high-speed automatic stamping. It can be seen that the continuous die is a kind of punching die with many working stations and high efficiency.

Engineering mould (single working procedure mold/ single stage mold), is a single working position, single working procedure mould.It is characterized by a simple mold structure, the need for artificial or robotic arm assistance;So the relative production efficiency is low, mainly used for batch is not large, precision requirements are not high workpiece production.Due to the low cost of the engineering mould and the low requirement on the tonnage of the punch press, the engineering mould scheme is often preferred when making the mould scheme. However, with the continuous cost rising, the engineering mould will be gradually replaced by the continuous mould or transfer mould.

Multi-station transfer mold, generally refers to the use of special multi-station punch, by a number of engineering mold with a certain process connection according to the process sequence installation, a kind of mold delivered by the manipulator. The most important characteristics of the multi-station transfer die (1) in the use of multi-station punch;(2) Each station is a complete engineering model to complete a specific process. Each engineering mold (single station-mold) has a certain connection, each station mold can be adjusted independently, and the adjustment is generally not restricted by the front and back mold;(3) transmission mode: mechanical hand delivery.

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