Cordless chain saw - specifications, models

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A cordless chain saw combines the virtues of electric power and mobility of a petrol tool. The use of batteries in energy-intensive equipment has become possible with the creation of high-capacity batteries, but of low weight. The tool works without harmful emissions and with low noise. In countries where ecology predominates in production processes, even forestry professionals are converted to using cordless chainsaws.

The principle of operation of chainsaws, requirements for battery models

The tool is designed to use the engine torque when the chain rotates on the tire, is equipped with cutters and is the working body. The rotational energy of the shaft can be obtained from an internal combustion engine or electricity. The battery provides the tool with the necessary energy, discharging.

The chain saw on the battery has several advantages over petrol and network models:

  • mobility, like a petrol tool;
  • minimum noise, like a network device;
  • smooth and easy start;
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  • lack of exhaust and the danger of the use of combustible substances;
  • does not require refueling and care for the combustion system;
  • easy safe transportation of the tool.

However, a battery tool is expensive, inferior in power to petrol models, equal in price.

Like other chain saws, cordless saws are divided according to the intensity of use into household, universal and professional. The more work a cordless chain saw can do, the harder and more expensive it will be.

Basically, all tools are equipped with lithium-ion batteries with the lowest terminal voltage of 18 V, but more often with two sets of batteries providing 36 V.

When choosing a tool, you need to focus on engine power, tire length and engine location. Determines the choice of comfortable grip and a comfortable body position when working. Without the lock button from accidentally turning on the saw should not be bought.

Review of models of cordless chain saws

You can create a powerful saw unit on the basis of a 36-volt lithium-ion battery. The length of the saw part of 18 cm, the location of the engine longitudinal or transverse.

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Determine the convenience and functionality of the tool:

  • comfortable grip on the back handle;
  • low center of gravity;
  • capacious battery with charging indicator;
  • active and inertial brakes;
  • stop, low recoil and vibration;
  • brushless motor;
  • easy to collect and adjust the tension without tools.

The Ryobi RY40510 cordless chain saw can be used by amateurs. It is necessary to work on it slowly, as protection against an overheat of the engine is not provided. If the chain is wedged, the engine, overcoming resistance, burns. Saws with a large 2.6 Ah battery do the job faster than newer models with a low 1.6 Ah power.

The tool does not have a chain brake, the flap protrudes, shortening the length of the cut. To turn off the power, you need to change the position of the battery. Thick oil does not pass into the tank because of the narrow neck. The advantages of the model include a convenient headset adjustment and stop.

Energy sources of 40V and 36V are used. Tool weights are 3.9 and 4.4 kg, respectively.

There are other models equipped with a battery capacity of 5 Ah, but the basic ergonomics remained the same.

As an example, let's imagine a Makita HCU02ZX2 / 02C1 cordless chain saw. Specifications:

  • batteries 2x18 V, 36 V;
  • weight - 5 kg;
  • bus length -30 cm;
  • chain - low profile, 46 saw links.

In one version, two 18 V batteries are used, the other 36 V batteries and a charger are used.

Testing has shown that the saw is powerful, and the use of two batteries allows you to use one for several tools. Paired elements are charged in the same way, determining the smallest capacity. The charge level indicators are installed on the adapter.

The device has the advantages - it uses effective braking of the chain, convenient adjustment of the chain tension without tools, adjustable oil supply.

But the model's ergonomics needs some work:

  1. A high stick shifts the center of gravity back. The distance between the grippers is small, which is inconvenient.
  2. When operating, the saw has to be kept from spontaneous turning relative to the line of sawing.
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The price of the product is traditionally high, as are all Makita products.

The Bosch AKE 30 LI cordless chain saw has a balanced, comfortable handle. The case is made of plastic, the grip points are made of non-slip, soft-touch materials.

Batteries used are lithium ion. Full recharging takes 1.5 hours, recharging up to 80% - 65 minutes. The only electrochemical pair that can be recharged without waiting for the full development of the battery capacity. Batteries retain activity at a small temperature minus. Therefore, lithium-ion batteries are the best for use in powerful technology.

The weight of the device with batteries is 5.2 kg, the saw blade rotates 8 m / s. Intended tool for domestic use.

When operating without load, the motor just hums quietly. The saw blade can be assembled and attached to the body without additional tools. Oil is poured into the tank through a removable filter, the oil level is visible in a special window. A battery charger is included, there is a process indication with an indication of faults.

Cutting can be carried out along and across the fibers. There is a braking with a sound signal. The cuts are even, in the manufacture of furniture require only grinding. When clamping the canvas, it is braked without jerk, gently.

Read also: Machine for sharpening the blunt chains of chainsaws

The tool is most functional, well balanced and can be used in everyday life. When testing the cordless chain saw received the highest rating, no comments were identified.

The Greenworks Cordless Chain Saw is supplied with batteries up to 80 V. Models with batteries with a capacity of 40 V and a saw blade length of 40 cm are in the highest demand. Brushless models are presented in the line, which is not new to all companies, increases the cost of models, but increases service life, is easierin operation.

The company presents models for amateur and professional use. For household purposes, an inexpensive tool is produced on the 24 V platform, the saw blade length is 25 cm.

The Stihl cordless chain saw is a new word from a famous manufacturer. The use of lithium-ion batteries is just a new emphasis on ergonomic technology. The instrument weighs 2.7 kg without a battery and is equipped with branded saw blades with a pitch P.

In tests, the saw saw Calm the undisputed leader in all positions. Narrow kerf saves energy. High speed of rotation of the circuit, a brushless motor, a battery capacity of 4.5 Ah - these are indicators, while the leading ones.

The defect was found, the battery is not fixed, which can lead to its loss and breakdown.

The Huskvarna cordless chain saw is a model 436 Li. A medium-class tool for performance. Logging of firewood and gardening is the mission of a 36V battery tool. Charging the battery takes 55 minutes.

The advantages of the design include tool-free stretching of the chain and its forced lubrication. The models use a brushless motor. Assessment of users of the saw in comparison of the ratio of the class of gasoline and battery saws as the "Mercy" and "Zhiguli".The same applies to the price.

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