
COPYRIGHT © 2020 SANDVIK MINING AND CONSTRUCTION OY
Page 26 - Operation
Operation
1533E STD
Noise dampening
Operating the hammer near residential areas or other noise sensitive areas can cause
noise pollution. In order to avoid unnecessary noise, please follow these basic rules:
1. When operating the hammer, keep the tool at a 90 degree angle to the material
and the feed force in-line with the tool.
2. Replace or fix all parts that are worn out, damaged or loosened. This not only
saves your hammer but it also decreases the noise level.
PRINCIPLES OF BREAKING
To increase the hammer's working life, pay particular attention to correct working
methods and how to choose the correct tool for the job. There are essentially two
ways of breaking with a hydraulic hammer.
Penetrative breaking (or cutting)
In this form of breaking a moil point or chisel tool is forced inside the material. This
method is most effective in soft, layered or plastic, low abrasive material. The high
impact rate of the small hammers makes them ideal for penetrative breaking.
Impact breaking
With impact breaking, the material is broken by transferring very strong mechanical
stress waves from the tool into the material. Impact breaking is most effective in
hard, brittle and very abrasive materials. The high impact energy of the big
hammers makes them ideal for impact breaking. The best possible energy transfer
between the tool and the object is achieved with a blunt tool. The use of a chisel tool
in hard material will cause the sharp edge to wear very quickly.
Содержание 1533E
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