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Dibis1 Project Reward of TUBITAK to Bayursan Invitation of Partnership from Bayursan Cranes Jointed Sliding Bridge Bayursan Exports Cranes to 20 Countries Bayursan Modular Travelling Units EOT Crane Design DIN Norms About Cranes Jib Crane Sample Calculation Single Girder Crane Design

Home	Cumartesi, 28 Ocak 2012 00:13

Jib Crane Steel Construction Calculation Basis (Sample Calculation):

Capacity: 1500 Kg
Lifting Height : 6 m.
Arm Length: 6 m.
Slewing Angle: 270° (max)

Vinç Seçiminde FEM Normlarının Önemi

Türkiye genelinde, kamuda ve pek çok kurumsal firmalarda dahi vinç seçiminde yük testinin %50 aşırı yükle yapılması yeterli bir kriter olarak kabul görmektedir. Bu seçimin hatalı yapıldığı ortadadır. Örnekleme olarak bir sulama, arıtma tesisindeki pompa ünitesinde genelde senede belki bir sefer çalışacak bir vinçle, günde üç vardiya üzerinden devamlı yüksek hızlarda ve aşırı dinamik yüklerle çalışacak haddehane, dökümhane veya çimento fabrikalarında çalışacak kepçeli köprülü vinçleri de aynı kriterlere koyulmuş olmaktadır.

Gantry Cranes Basic Design Principles Dimensioning Principles Safety agains overturning Typical design objects in a gantry crane Wheel base Approximate design Certain types of gantry cranes
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EOT Cranes Basic Design Principles Calculation Grounds Corner Loads Dimensioning Basis Calculation of the End of A Main Girder Some Design Aspects
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Hoist and Travel Units Basic Design Principles

When design an electrolift, four main factors are taken in to account with the aid of the formulas and diagrams. These are;

   1. Lifting capacity.
   2. Operating time.
   3. Loading spectrum.
   4. Daily operating time.

In this selection the subsquent factors are assumed fixed, These are;

Pulley Diameter Calculation

The rope pulley diameter is calculated as following;

Pulley Calculation

Cast iron wire rope pulleys are selected according to nominal wire rope diameter (d). A sample drawing and formulas for a pulley is below;

Strength Calculation of Wire Ropes

The strength calculation of steel wire ropes are performed according to tensile stress. In this calculation, breaking off force is expressed as in different forms. Theoretical breaking off force of the wire rope is F_t ;

Drum Diameter Calculation

The drum diameter is calculated as the following;

Wire Rope Diameter Calculation

When the other stresses are ignored, wire rope is considered to be only subjected to tensile stress. According to this condition, diameter of wire rope;

Hook Lifting Capacity According to DIN 15400

Hook Material	FEM Groups According to DIN 15020
M					1Bm	1Am	2m	3m	4m	5m
P				1Bm	1Am	2m	3m	4m	5m
S			1Bm	1Am	2m	3m	4m	5m
T		1Bm	1Am	2m	3m	4m
V	1Bm	1Am	2m	3m	4m

Single Hooks According to DIN 15401
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Flash News

Cranes Jointed Sliding Bridge

Overhead cranes with jointed sliding bridge (special project cranes) Bayursan produced 7 overhead cranes with capacities from 5 tons to 10 tons with jointed sliding bridges in 2008 as a part of first TÜBİTAK* project by which Bayursan was awarded. These cranes have the capability to get loads 4 m far from the buildings without getting any aid.

Also, by the application of this project, the cat trolley of one overhead crane with 16 tons capacity has the ability to move 4 m far from the building and get loads easily.

*TÜBİTAK: The Scientific and Technological Research Council of Turkey

Announcement

Bayursan is looking for partnership for a new project gained award of TÜBİTAK (The Scientific and Technological Research Council of Turkey). This project will be a standard and serial production for "Modular Travelling Systems" of industrial machines and crane field. Candidates who want business as individually or as a company please contact with Bayursan.
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