Marking punches
Stamps and Marking Punches
Migliarino has historically specialised in Stamps and Marking Punches, which are used for stamping both in manual and automatic presses and for coining, fine blanking, pitch, and transfer operations.
Customer drawings indicate the geometric shapes of the stamps, and the position of the writing or logo. There are many different types, but we can list some of the main definitions:
- stamps or single-stop punches are made to mark, in a single stroke, writings or logos on steel/brass/aluminium belts in continuous motion, or on steel/brass/aluminium products that require reworking press operations. Some of them, in the design phase, require “fixed” parts of the stamp, such as the logo, as well as interchangeable alphanumeric parts. Moreover, the shapes of the stamps on the product are made on profiles, curves and/or surfaces generated by 2D and 3D CAD files owned by the Customer.
- Male-Female stamps or punches, also called punch and die, unlike those with a single stop, are built in two opposite parts with relative high and low reliefs of the writing. Inside it, in the “Deep drawing” stamping phase, due to the effect of stretching, the sheet metal strip will present deeper marking than coining. This type of Male-Female Stamps or Punches are also used on roll forming machines.
They are similar to profiling rollers where high relief and low relief inscriptions are applied along their circumference. These rollers are mounted opposite each other, and the steel/brass/aluminium sheet, dragged by the motion of the feeder, will make the marking.
Processing materials:
Steel
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Marking Punches
A “marking punch” is a tool used to engrave or mark hard surfaces, such as metal or wood, with a series of characters or symbols.
This tool often consists of a hardened steel tip or a series of movable tips on which the desired characters are engraved. The marking punch is commonly used for identification, traceability, or decoration purposes. For example, it can be used to engrave serial numbers on pieces of machinery, identification labels on jewellery, or to create distinctive markings on leather goods.
To use the marking punch, it must be placed on the surface to be marked, and an appropriate force must be applied to it using a hammer or marking machine. This process will create a permanent impression on the surface, which will make it possible to identify it, or create the desired decorative pattern.
It is important to note that using the marking punch requires a certain level of skill and precision to achieve clean and legible results. Therefore, it is advisable to become familiar with the use of the tool, and to practice on test materials before applying it to final parts or objects.
Interchangeable characters
“Interchangeable characters” in related steel dies refer to a system in which individual letters or numbers can be replaced or swapped within a die used for marking or forging steel. This feature makes it possible to customise or edit the text or code imprinted on the surface of the steel without having to create an entirely new mould.
Material
Interchangeable characters in steel moulds are often made of steel or other durable materials that can withstand the energy and pressure required to mark or forge steel. These characters come in various font types, sizes, and styles, which enable the creation of different markup effects.
Advantages
There are several advantages to using interchangeable characters in steel moulds. First of all, it allows you to quickly and easily edit the text or code to be marked without having to create a completely new mould, thus reducing downtime. It also allows you to maintain greater flexibility in production, as you can adapt the same mould for different purposes or customisations. However, it is important to point out that the use of interchangeable characters in steel moulds depends on the specific technology and the type of machine used for marking or forging. Not all steel moulds can be designed to use interchangeable characters.
Technical Features
Area of use of marking punches
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