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2018 Skyjack SJ1056 Image
Stock Number: EQC012374
Make: Skyjack
Model: SJ1056
Year: 2018
2018 Skyjack SJ1056 Details
2015 Terex CTT 121A-5 TS16 Image
Stock Number: 600017
Make: Terex
Model: CTT 121A-5 TS16
Year: 2015
2015 Terex CTT 121A-5 TS16 Details
2007 Potain HDT80 Image
Stock Number: 600194
Make: Potain
Model: HDT80
Year: 2007
2007 Potain HDT80 Details
2013 Hyundai 110D-7E Image
Stock Number: EQU010604
Make: Hyundai
Model: 110D-7E
Year: 2013
2013 Hyundai 110D-7E Details
2012 Miller Big Blue 400D Image
Stock Number: 231276
Make: Miller
Model: Big Blue 400D
Year: 2012
2012 Miller Big Blue 400D Details
2008 Combilift C12000SL Image
Stock Number: EQU008108
Make: Combilift
Model: C12000SL
Year: 2008
2008 Combilift C12000SL Details
 
Comedil Cranes

Comedil Cranes

Tower Cranes Grow to New Heights
In the tower crane business, the 1950s showcased many significant milestones in tower crane development and design. There were a variety of manufacturers were beginning to make more bottom slewing cranes which had telescoping mast. These types of machines dominated the construction industry for both office and apartment block construction. Many of the leading tower crane manufacturers abandoned the use of cantilever jib designs. Instead, they made the switch to luffing jibs and in time, the use of luffing jibs became the regular practice.

Manufacturers based in Europe were also heavily influential in the development and design of tower cranes. Construction sites on the continent were usually tight areas. Depending upon rail systems to move a large number of tower cranes, became too difficult and costly. Some manufacturers were providing saddle jib cranes which had hook heights of 80 meters or 262 feet. These types of cranes were outfitted with self-climbing mechanisms that enabled sections of mast to be inserted into the crane so that it can grow along with the structures it was building upwards.

The long jibs on these particular cranes also covered a larger work area. All of these developments resulted in the practice of building and anchoring cranes in a building's lift shaft. After that, this is the method that became the industry standard.

From the 1960s, the main focus on tower crane design and development started to cover a higher load moment, covering a bigger job radius, climbing mechanisms and technology, faster erection strategies, and new control systems. In addition, focus was spent on faster erection strategies with the most significant developments being made in the drive technology department, amongst other things.

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