Handheld electric saws are the most common type of machine used when performing cuts. Depending on the required cut depth, these saws come in various sizes and power sources. These saws are categorised based on their power source, each with advantages and disadvantages. Therefore, it is essential to determine the cut depth you wish to achieve and the environment in which the cut will occur before choosing a machine. The categories are petrol, electric (cable), electric (battery), high frequency and hydraulic.
Petrol hand saws are the most common type of hand saw and typically rely on two-stroke motors to dive the diamond blade. These saws are relatively inexpensive and can be used in various environments without providing external power sources. These saws’ disadvantages are the maintenance requirements, fumes produced, and fuel oil mixture requirement. This limits the saws to outdoor use and bears the risk of complete failure if the incorrect fuel is supplied to the motor. These saws can utilise a maximum blade size of 16″ (416mm) and can achieve a cut depth of 145mm (ring saws 300mm).
These saws derive power from an electric motor powered by a 10-amp or 15-amp plug. These saws are typically less powerful than their petrol-powered cousins but do not produce fumes and usually have a lower maintenance cost. This allows these machines to be used indoors. These machines can utilise a maximum blade size of 16″ (416mm) and achieve a cut depth of 145mm. An electric diamond blade is recommended to overcome the lower power output (link). These blades possess a softer bond and thinner segment size, resulting in a quick-cutting performance comparable to a petrol saw.
These saws are new to the market and are driven by an electric motor powered by onboard batteries. These saws are currently only available in 9″ (230mm) and 14″ (350mm), allowing for a maximum cut depth of 127mm. The main advantage of these saws is that no fumes are produced, no cables are required, and the maintenance cost is much lower than their petrol-powered cousins. Our testing shows that these saws outperform a petrol equivalent when used with our electric diamond blade. The disadvantage of these saws is the increased weight (5-10% heavier than a petrol equivalent) and the requirement to recharge batteries.
These saws require a frequency converter and can draw power from a 10 amp, 15 amp or 20 amp (3 phase) power point. These saws produce incredible power and can be used indoors as no fumes are produced. High-frequency equipment comes in three variations, hand saw, ring saw and chainsaw. This allows for a maximum cut depth of 410mm (chainsaw). To get the most out of these saws, 3-phase power is needed, which may require a small generator (10kVA) to be available on site. Hydraulic saws only match these saws in terms of performance.
Hydraulic saws rely on hydraulic pressure from a power pack. These saws can cut in the most demanding environments, including underwater, while producing no fumes. However, hydraulic equipment requires hydraulic hoses and fluid to be used with a hydraulic power pack. This results in an increased maintenance cost as compared to high-frequency equipment. Hydraulic handsaws come in three variations, hand saw, ring saw and chainsaw. This allows for a maximum cut depth of 410mm (chainsaw).
We stock the following brands for handheld saws; WEKA, Husqvarna, Tyrolit, Stihl, Hycon and Makita.
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