Actual effect that Kobelco cranes partsthe control system
2008-07-07
Actual effect that HTML clipboardKobelco cranes partsthe control system
reaches after 4 transformations
(1) After adopting HTML clipboardHydraulic pumps frequency conversion and adjusting the speed transformation, has realized that adjusts the speed smoothly, and efficiency is extremely high, adjust speed way to compare with the original bunch of resistance, start more steady and orienting more accurate;
(2) The system is controlled handles to come to control the output of the frequency converter, adjust the rotational speed of the electrical machinery, easy to operate, it is wide to adjust speed range, but set up the running speed arbitrarily;
(3) Select the frequency converter of Mitsubishi and special-purpose lifting machine for use to employ in the system greatly, has realized the full torque that the frequency converter is in a speed is exported (300% that can reach the specified torque at most) What integrated embraced the logic control of the floodgate, had improved HTML clipboardhydraulics parts stability and dependability with applied system with the inside;
(4) One is raised, the big car starts, applies the brake, accelerates, moderates,etc. the course is steadier and faster, it is more accurate to make a reservation, the energy-conserving result is obvious, according to testing the economizing on electricity rate can reach 35%;
(5) It is simple to control the return circuit, has realized opening softly, stopping softly, has not assaulted to the gear wheel, electrical machinery, fault rate is low, easy to safeguard, reduce and safeguard the expenses greatly;
(6) Because leave the interface that the further function expands systematically, can expand functions such as wireless remote control, on-the-spot bus communication,etc. according to the needs of reality in the future;
(7) The states HTML clipboardKato genuine cranes parts of 2 bridge type hoists of packing shop No. 1 putting into operation from behind the transformation are seen, the impact electric current at the time of the starting, stopping of very good settlement electrical machinery, add the frequency converter completion protection function to the electrical machinery, dependability and security of driving a vehicle in great improvement, have lengthened service life.
5 conclusions
This system puts into operation, achieve the nticipated purpose to transform, run well, adjust speed performance excellently, start and stop steadily, make a reservation accurately, safely and reliably, easy to operate, energy-conservation is prominent, HTML clipboardJapan construction machineries parts the device is small, have extensive popularization using value in the same trade.
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