vehicles for maintenance and repair of city roads

Machines for trimming grass

February 17, 2009 | Categories: Machine DE-5A
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Machines for trimming grass

Machines for trimming grass - lawn mower according to the type of the workflow are divided into the reference machine and cutting bespodpornogo. The reference cut is characterized by the fact that the stem is clamped between the blades of two knives, one of which serves as a support, and another - cuts the stem. The principle of reference is used in lawn mowers cut with a rotary cutter-type and cylindrical finger cutter. In lawn, working on the principle of bespodpornogo cutting, there is no formal support, it is the role of inertial forces arising from the interaction of a knife with a stem, due to a sufficiently high frequency of its rotation. Cutting - ploskovraschatelny, rotary type. The most common lawn mower with ploskovraschatelnym cutter. Efficient of these mowers is reached in the case of rotation of the blade with an angular velocity 146,6-523 rad / s and a linear cutting speed of 60-90 m / s. Existing lawn mowers are moved manually by the operator, walking behind the machine, or by a motor mounted on the mower. Available in our country self-propelled lawn mowers are mounted on a special

Self-propelled lawn mower is designed to SG mowing grass on lawns, along streets, in parks, gardens, squares, boulevards and sporting venues. The main part of it - the engine with the gearbox, the cutting mechanism, control column, electrical, fuel tank, transmission. This mower can be used on other types of work on gardening: the carriage of goods, distribution of fertilizers, soil aeration.

While taking care of grass lawns, except self-propelled lawn mowers, also used mounted on wheeled tractors and lawn mowers operatororuchnuyu moved with wheel bearing support, as well as hand - on the air cushion.

The machines, transported by the operator applies a machine SK-19 for trimming lawns brovok, as well as to align their edges, with no curbs or other barriers, with a simultaneous shift of the ground layer is truncated to the side. The main installed on the four-carriage, consists of an internal combustion engine with chain saws on the "Friendship", the drive of the working body - a cutting knife blade to shift ground and crushed the sod in the direction, control systems.


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