Metal Bandsaws

Today, a metal band saw is part of the basic equipment in many workshops where metals are processed. Especially when elongated raw materials such as angles, square tubes or round bar material have to be shortened or sawn into several segments of the same length, a metal band saw is perfectly suited. Depending on the equipment and design, these saws can be operated manually or work semi- to fully automatically, so they can also be used for series production in industry. A metal band saw from Bernardo or other renowned manufacturers from the BHM Maschinen online shop is robust, precise and durable. All in all, metal band saws offer a wide range of possible applications.

Zimmer LYNX Z252/DGH Metal bandsaw
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Frequently asked questions about the metal band saw:

What is a metal band saw used for?


A metal band saw is primarily used to saw off shorter sections from bar material such as round bars and profiles, which are then processed further. Depending on the saw band, a metal band saw, for example a metal band saw from Bernardo, can also be used to saw workpieces made of plastic.
 

What is the difference between bimetal saw bands and carbide saw bands?


Bimetal and carbide band saw blades, for example for a Bernardo metal band saw, differ in their structure and in the materials from which they are made. Bimetal bandsaw blades are made of 2 metals. The teeth are made of high-speed steel (HSS) and hardened. The so-called carrier band, to which the teeth are attached, is usually made of an alloyed tempering steel. This results in a very efficient saw band with a high cutting capacity. Bimetal bandsaw blades can be used for sawing all types of steel, including difficult-to-cut special alloys and non-ferrous metals.

Carbide band saw blades enable very high cutting performance when working with a metal band saw. Carbide has a high strength and toughness. Depending on further additives and the alloy composition, different properties can be produced. Depending on the tooth pitch and tooth geometry, carbide saw blades can be used for sawing metals, wood, plastics and stones.

 

What are tool steel saw blades used for?


Tool steel band saw blades are, in a way, the "bread and butter" band saw blades for metal band saws. Their flexible band body makes them versatile. They are often included in the scope of delivery of the machines and are standard equipment for every metal band saw in a workshop. In workshops, they can be used universally for sawing low-alloy steels, non-ferrous metals, wood or plastics. Tool steel bandsaw blades have a long cutting life and can be made more wear resistant by hardening the tips of the teeth.
 

Do I need a special coolant for a metal band saw?


No, basically no special coolant is required for working with a metal band saw, for example a Bernardo metal band saw. Before filling the machine with coolant, however, it is advisable to take a look at the operating instructions. This way it can be ruled out that the manufacturer does not specify a special coolant. Coolant concentrates such as the Bernardo Universal Coolant Concentrate MN 1103 in a 5 l canister from the online shop of BHM Maschinen are economical in consumption with a good lubricating and cooling performance.

At what cutting speed is steel sawn with a Bernardo metal band saw?


The optimum cutting speed for steel depends on the steel alloy and the type of saw blade. For high-alloy steels like a nitriding steel the cutting speed is low at 25 to 30 m/min. With aluminium, the cutting speed can be well over 100 m/min, depending on the machine, saw blade and lubrication. The saw blade manufacturers have compiled the optimum possible cutting speeds in clear tables.
 

What is the difference between a semi-automatic and a fully automatic metal band saw?


A semi-automatic and a fully automatic Bernardo metal band saw differ in the degree of automation. While, for example, with a semi-automatic metal band saw the automation ends when the saw arm is raised after the end of the saw cut, with fully automatic metal band saws further automation steps can be used. For example, the automatic feed and re-clamping of the workpieces after each saw cut point. With a fully automatic Bernardo metal band saw, small and larger series of workpieces can be sawn without the operator of the machine having to intervene.

 

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