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Date: 2015-10-07; view: 553.

Match the words from the columns to make up word combinations. Translate them.

Welded load wheel chain also has 3 times as much … absorption capability as a wire … of equal static tensile strength. As a result, wire rope of equal impact … costs much more than load wheel chain. Since average wire rope life in a hoist is only about 5 percent of the life of …, overall economics are greatly in favor of chain for hoisting purposes. Another widespread use of … link chain is in conveyor applications where high loads and moderate speeds are encountered. As contrasted to link-wheel chain used in hoists, … chain requires a longer pitch. The longer-pitch chain, in addition to being more economical, accommodates the use of shackle connectors between sections of the chain to which flight bars are attached.

Wire rope used for suspending loads is usually required to be as flexible as possible to minimize the … of the drums or sheaves involved. Thus, a rope having six strands of 19 wires each on a hemp core is used. Extra pliable ropes made with strands of 37 wires each or eight strands of 19 wires each on a hemp core are also available but are much less … because of the finer individual wires used. Hoisting ropes are constructed with the relative twist of the wires in the strands the reverse of the twist of the strands about the core.