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Bland03Potts blog
No Photos 4th Aug 2017 - 4th Sep 2017
Blacksmithing Tips - Exactly what Type of Power Hammer is Right For Your Shop?

Blacksmith Power Hammers or Journey Hammers

If you have actually ever dealt with a power hammer you see the blacksmithing world through different eyes. Power hammers truly fall under 3 basic classifications, Hydraulic Presses, Mechanical Hammers, and Air Hammers. They are all created to increase the quantity of force that you can apply to the steel. This indicates you can do more operate in a given quantity of time and you can work bigger bar. Unexpectedly this opens an entire brand-new imaginative reality with the steel.

Hydraulic Presses

I don't use one in my store but I have actually used one years back in another smiths shop. Hydraulics have lots of power (actually) and can require the metal into many different shapes very efficiently. They work for severe regulated force applications such as requiring steel into preshaped passes away, or cutting at particular lengths or angles and so on

. This is not an effect machine such as mechanical hammers or air hammers, and is not fast. It can be utilized for extracting steel but this bores. Although it would conserve time from extracting by hand and permit you to work larger bar I would go bananas with the sluggish process.

Essentially the maker is a hydraulic ram installed on a frame with an electric pump. You use a foot control to squish the metal. Step with the foot use more force. Launch the foot the passes away back off then you can move the bar and use the force again in a various spot.

There are a number of positive elements of a hydraulic press. They have a little footprint, and need no unique foundation. Rates are manageable for this type of tool. About $2000.00 in my location. There is no effect noise or vibration with this kind of machine. The whine of the hydraulic pump can be loud but it doesn't have the exact same inconvenience factor for next-door neighbors as the impact from a hammer. Presses are ranked by the number of loads pressure that the ram can produce. 20 heap, 40 ton and 60 ton prevail sizes.

Mechanical Hammers

All mechanical hammers work on a variation of the very same principle. A rotating crank shaft raises the weighted hammer head that is counter balanced, then requires it down on the next half of the transformation. The accessory on other hammer head has to be a spring building of some sort so that the impact is absorbed in the spring not the crank shaft. The counter weight relieves some of the stress on the motor.

There have been various setups of mechanical hammers throughout the years. Little Giant enters your mind however this is only one design. Others include Helve Hammers etc. Mechanical hammers are rated by the hammer head rate. So a 25 pound Little Giant has a 25 pound hammer head weight. The much heavier the head weight the bigger the steel that you can work under it but the bigger the motor that you have to run it.

Something to consider. If your shop is in outdoors however has no electricity you could run a mechanical hammer off a little gas engine. A little expensive but compared to the amount of work you could do this method, it might be worth it.

I have only worked a little with mechanical hammers however a 1 hp motor will run up to about 50 pound Hammer head weight.

The beauty of a mechanical hammer is that it is relative basic to develop or fix. The ideas of the movement are very basic and easy to follow in slow motion. Mechanical hammers were relatively common in industrial settings in the late 1800's and early 1900's so you might have the ability to find one for a great rate in your location. The disadvantage is that parts may be difficult to find and you may need to make your own.

You can also develop your own mechanical hammer. It will take some tinkering but a good working hammer can be made quite economically. They don't take up a lot of area. Maybe 2 feet by 3 feet for a small one. They are a bit noisy to run and have an impact noise to them. They do require a good structure, although a little one can get by with a little structure. They are a bit restricted by the tasks that you can do with them. If you are imaginative with your tooling you still can do a lot of work and conserve your arm.

Air Hammers

My personal favorite. The air hammer was initially conceived as a steam hammer for big industrial applications. Like the mechanical hammers they are ranked by the hammer head mass, and generally vary from 50 lb to 1200 pound or more. The upper end of the scale are massive devices that need massive structures to work correctly. These are poetry in motion to view a competent smith usage.

The principal behind the air hammer is fairly just. Air pressure lifts a weighted hammer head then some thing moves the atmospheric pressure and the hammer head is dropped under atmospheric pressure force then it is lifted again. The air on the bottom of the air cylinder functions as the cushion changing the springs in a mechanical hammer. This procedure creates a cyclic hammering of the steel. The weight of the hammer head and the pressure of the air both contribute to the force applied to the steel.

Many smaller sized blacksmithing stores utilize 50 pound to 150 lb size. There are 2 subclasses of air hammers that you should know. The self consisted of and the air compressor version. The self consisted of utilizes 2 air cylinders. One is the compressor cylinder and is owned by a motor. This cylinder offers air to the hammer head cylinder. So every up stroke of the drive cylinder requires the hammer head cylinder down and every down stroke forces the hammer head cylinder up. Valving triggers the air to be either exhausted or sent in differing amounts to the hammer head cylinder. This supplies the control on the stroke and force applied to the steel. This cyclic timing is governed by the speed of the electric motor.

The air compressor reliant air hammer feeds off a constant line pressure and has a feed back circuit constructed into the design. The hammer head travels up and journeys a switch that tells it to go back down. Once it reaches a certain travel point another switch tells it to return up. of the exhaust determines both the speed and the force applied to the steel.

Although air hammers appear to be a bit more complicated than a mechanical hammer there are really less moving parts and less to break. I find them to be more flexible. You can adjust your stroke and force just by moderating your foot peddle. With a mechanical hammer you have to make a mechanical adjustment to alter your stroke height. Your force is controlled by the speed of the impact or the speed of rotation.

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