Power Hammer PH50
The Power Hammer PH50 with compressor incorporated, to make all kind of pieces for the ornamental forging. It's got 50 kg stroke.
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Power Hammers
MP NARGESA power hammers or trip hammers are made from welded and machined steel sheet. They are used in many smithies to manufacture all kinds of pieces for ornamental forging, facilitating the work of shaping hot iron. Using different tools, they upset, shape, cut, punch, rivet, stamp, etc., all types of metals.
Frequently Asked Questions about NARGESA Forging Power Hammers:
How does the striking system work in Nargesa power hammers?
Nargesa hammers are made with two twin pistons: a rear piston pushed by a cam and a pulley via an electric motor that converts it into a compressor. This way, we save air, and the machine itself produces it. The front piston is the one that drives the ram to ascend and descend in a controlled manner. The pistons are connected by a valve that controls the movement and stroke. This system is the most complex but also the most effective and precise when working.
What advantages does the construction from welded and machined steel sheet offer compared to cast models?
In the past, most hammers were cast. The main problem was cracks that appeared in some models, which were very difficult to repair. At Nargesa, from the beginning, we were clear: a welded steel chassis, much stronger, designed to prevent cracks or fissures during use.
What types of operations can be performed with Nargesa power hammers and what additional tools are compatible?
The applications are endless. As the name suggests, it is a hammer, but with great force that the operator does not have to exert directly. There are cold applications such as marking, shaping, imitating antique pieces, or the much more common hot applications such as riveting, punching, forge welding, compressing iron, cutting, bending, changing shape and thickness until the desired form is achieved.
Thanks to a fastening system with holders, all tools that the blacksmith can make themselves are compatible with the Nargesa PH50 hammer. The best material used to manufacture tools is steel 1.2344 / AFNOR: Z40CDV5 / DIN: X40CrMoV5-1 / UNE: F5318 / AISI: SAE H13 / SKD61 / 45Cr5MoSiV. It is a steel designed for hot work without damaging tooling or dies. However, tooling can be made from any steel type with subsequent treatment.
What maintenance and safety considerations should be taken into account when operating Nargesa power hammers?
Maintenance is minimal: keep the self-lubrication oil reservoir full and check belt tension twice a year. There are different safety features on Nargesa hammers: a mechanical actuation lever disables all machine movement to allow safe mold changes. In case of malfunction, the Nargesa hammer is designed so that the front ram descends very slowly, with no possibility of causing damage. There is an adjustable front guard to prevent direct projections to the operator, emergency stop, etc.
What is the difference between a double-acting and a single-acting power hammer?
Single-acting hammers are usually driven by a cam or other system that lifts the weight and releases it without control, unlike double-acting pneumatic hammers, where the operator has full control over the descent. Single-acting hammers were very popular in the past, used for many applications unrelated to metal, such as grinding grain.
How does air pressure affect the power and speed of the strike in Nargesa power hammers?
The main characteristic for classifying hammer power is the weight of the hammerhead (maul) and, logically, the speed at which it is operated. That is why double-acting hammers with built-in air compressors are much more efficient than single-acting ones.
What types of materials can be worked with Nargesa power hammers?
All types of ferrous materials can be worked. Brass, bronze, gold, silver, etc. The most common are iron or steel with various grades. The most common way to work is hot, whether using a coal forge, induction heating, or a gas furnace.
What is the service life of a Nargesa power hammer and what factors influence its durability?
The hammer was invented in the 14th century. It was originally used to grind grain, crush stones… Finally, in the 19th century, it revolutionized the industrial world by being used to work iron and increase productivity. These are very old machines that have evolved and improved. Nargesa hammers can last generations; they are overbuilt machines with very simple construction. Currently, there are hammers made in the 1960s and 70s still in active use without any problems.
How do Nargesa power hammers compare with other forging systems like hydraulic presses?
Hammers deliver consecutive impacts with relatively small force, whereas presses descend much more slowly but exert much greater force, reaching thousands of tons. Each has a different application; in most cases, many customers use both machines to increase production.
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