Cordless chain saw - features, models
The cordless chain saw combines electric power and mobility gasoline tool... The use of storage batteries in energy-intensive equipment became possible with the creation of high-power, but low-weight batteries. The tool operates without harmful emissions and with low noise. In countries where ecology dominates production processes, even forestry professionals are switching to cordless chainsaws.
The principle of operation of chain saws, requirements for battery models
The battery-powered chain saw has a number of advantages over gasoline and mains models:
- mobility like a gasoline tool;
- minimal noise, like a network device;
- smooth and easy start;
- no exhaust and the danger of using a flammable substance;
- refueling and maintenance of the combustion system is not required;
- easy safe transportation of the tool.
However, a cordless tool is expensive, inferior in power to gasoline models of the same price.
Like others chain saws, rechargeable batteries are divided according to the intensity of use into household, universal and professional. The more work a cordless chain saw can do, the heavier and more expensive it will be.
Basically, all instruments 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. The choice of a comfortable grip and a comfortable body position during work determines the choice. You should not buy a saw without a lock button.
Overview of cordless chain saw models
A powerful saw unit can be created on the basis of a 36-volt lithium-ion battery. The length of the saw part is from 18 cm, the location of the engine is longitudinal or transverse.
Determine the convenience and functionality of the tool:
- comfortable grip of the rear handle;
- low center of gravity;
- capacious battery with charging indicator;
- active and inertial brakes;
- emphasis, low recoil and vibration;
- brushless motor;
- Easy collection and tension adjustment without tools.
The Ryobi RY40510 cordless chain saw can be used by hobbyists. You need to work on it slowly, since there is no protection against engine overheating. If the circuit jams, the engine burns out against the resistance. Saws with a large 2.6 Ah battery get the job done faster than the new low power 1.6 Ah models.
The tool does not have a chain brake, the guard protrudes, shortening the cutting length. To turn off the power, you need to change the position of the battery. Thick oil does not pass into the reservoir due to the narrow neck. The advantages of the model include convenient adjustment of the headset and emphasis.
Energy sources of 40V and 36V are used. The weight of the tool is 3.9 and 4.4 kg, respectively.
There are other models with a 5 Ah battery, but the fundamental ergonomics remain the same.
As an example, consider the Makita HCU02ZX2 / 02C1 cordless chain saw. Specifications:
- accumulators 2x18 V, 36 V;
- weight - 5 kg;
- bus length -30 cm;
- chain - low profile, 46 saw links.
One modification uses 2 18 V batteries, the other a 36 V battery and a charger.
Testing has shown that the saw is powerful and the use of two batteries allows one to be used for multiple tools. Paired cells are charged in the same way, the smallest capacity will be determining. Battery level indicators are installed on the adapter.
The device has advantages - it uses effective chain braking, convenient adjustment of the chain tension without tools, and adjustable oil supply.
But the ergonomics of the model requires improvement:
- The high stick shifts the center of gravity back. The distance between the grips is small, which is inconvenient.
- During operation, the saw must be held against spontaneous rotation relative to the cutting line.
The price of the product is traditionally high, like that of all Makita products.
The Bosch AKE 30 LI cordless chain saw is well-balanced and has a convenient handle position. The body is made of plastic, the gripping points are made of non-slip materials, pleasant to the touch.
The batteries are lithium-ion. Full battery charging time is 1.5 hours, charging up to 80% - 65 minutes. The only electrochemical pair that can be recharged without waiting for full battery capacity. Batteries remain active at a slight temperature minus. Therefore, lithium-ion batteries are the best for high-power applications.
The weight of the device with batteries is 5.2 kg, the saw blade rotates 8 m / s. The tool is intended for household use.
When running 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. The charger is included in the kit, there is a process indication with indication of faults.
The cut can be carried out along and across the fibers. There is braking with a sound signal. The cuts are even; in the manufacture of furniture, only grinding is required. When clamping the blade, it slows down without a jerk, gently.
The instrument is the most functional, well balanced and can be used in everyday life. When tested, the cordless chain saw received the highest rating, no comments were found.
The Greenworks cordless chain saw is supplied with batteries up to 80 V. The models with 40 V batteries and a 40 cm saw blade length are in the greatest demand. exploitation.
The company presents models for both amateur and professional use. For household purposes, the inexpensive tool is available on a 24 V platform, the length of the saw blade is 25 cm.
Rechargeable Stihl chain saw - a new word from a well-known manufacturer. The use of lithium-ion batteries is just a new focus on ergonomic technology. The instrument weighs 2.7 kg without battery and is equipped with branded P saw blades.
In test tests, the Stihl saw turned out to be the undisputed leader in all positions. Narrow kerf saves energy. High speed of rotation of the chain, brushless motor, battery with a capacity of 4.5 Ah - these are the indicators so far leading.
The flaw was discovered, the battery is not fixed, which can lead to its falling out and breakdown.
The Husqvarna cordless chain saw is the 436 Li. A mid-range productivity tool. Harvesting firewood and gardening - the purpose of the tool, which runs on a 36 V battery. The battery is charged within 55 minutes.
The advantages of the design include tool-free chain tension and its forced lubrication. The models use a brushless motor. Evaluation of saw users in comparison of the ratio of the class of gasoline and cordless saws as "Mersa" and "Zhiguli". The same applies to the price. Read about chainsaws of Husqvarna!