Kule Vinç Kullanım Talimatları 1 - Kule vinçleri yetkili operatör dışında başkasının kullanması yasaktır. 2 - Vincin malzeme sepetiyle insan taşınması yasaktır. 3 - Bütün vinçlerin görebilecek bir yerinde yük çizelgesi asılıdır. Bu çizelgede belirlenmiş yük kapasitesi dışında yük kaldırılması yasaktır. 4 - Vinçle kaldırılan yükler kesinlikle çalışanlar üzerinden geçirilmeyecektir. Zorunlu olmadıkça yük bir araç ya da makine üzerinden geçirilmeyecektir. Aynı zamanda vinçle kaldırılan ya da indirilen bir yükün altında kimse bulunmayacaktır. |
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Foundation and Support Calculation Basis of Jib Cranes (Simplified): A, B; width and length of base plate (A ≤ B)
W1 = Lifting capacity of crane + weight of crane (kgf)
W2 = Total weight of rotating arm and supports (kgf)
W3 = Total weight of carrying column and base plate (kgf) “At column axis”
L1, L2 = The distances between the action points of the weights or forces and column axis (cm)
A = Base plate width (cm)
M1, M2 = The moments caused by vertical forces (kgf . cm)
F = The effective forces on base plate
f = The load distribution under base plate.
∑Md = Sistemi devirmeye çalışan momentler toplamı (kgf.cm)
∑Mk = Devrilmeye karşı gelen momentler toplamı (kgf.cm) For the stability of the simplified system, the algebraic sum of all vertical resultant forces should be zero and the sum of clockwise and anticlockwise moments should be equal. Thus; |
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Crane Wire Ropes18 x 7 steel cored wire-rope is quite tough and multi rowed (or multilayer) strands oppositely lay around its core and can hardly be bended on its rope drum, so tends to be slack and skip to other grooves especially when no load on the hook. 18 x 7 wire rope though do not loosen nor deform in its groove under load nor turn to make windings one on another even at higher lifting heights. 18 x 7 wire rope thus can be used at smaller rope drum diameters respectively. These ropes generally last longer because of their constructional design and thicker wire sizes. 6 x 36 wire ropes are more elastic and have more carrying capacities respectively, and preferred for heavier loadings. Wire ropes types and properties generally used for cranes; |
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Jib Crane Steel Construction Calculation Basis (Sample Calculation):Capacity: 1500 Kg
Lifting Height : 6 m.
Arm Length: 6 m.
Slewing Angle: 270° (max) |
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Replacing of Wire Ropes Wire rope should be replaced when, the number of breaked off
wires which can be detected by eye controls is reached to a certain value. When a breaking off of any strand is detected, the wire rope should be replaced. For the wire ropes which are subject to
corrosion danger, internal construction of them should also be taken into consideration. The number of breaked off wires due to which the wire rope should be replaced are given on following
table; |
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6x36 fiber core warrington rope |
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18x7 fiber core nuflex wire rope |
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FEM Group Selection Table |
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Wire Rope Diameter CalculationWhen the other stresses are ignored, wire rope is considered to be only subjected to tensile stress. According to this condition, diameter of wire rope; |
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Pulley Diameter Calculation The rope pulley diameter is calculated as following; |
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Gamak Motor Standards Informations given here deals with mechanicaland electrical
features of3-phase, cage-rotor, totally enclosed, generalpurpose industrialuse induction motors of frame sizes ranging from 56 up to 355 which give the distance from center-line of shaft to bottom of
foot in mm, in accordance with IEC (International Electrotechnical Commission) Recommendations. Gamak induction motors are designed, manufactured and tested according to the following
standards and recommendations. |
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L Profile
(Equal Leg Angles)  (EN 10056-1: 1998)
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