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20T Double Girder Overhead Crane with 7.5-31.5m Span for Heavy Duty A5

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Hefei Kiwi Heavy Machinery Co., Ltd.

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20T Double Girder Overhead Crane with 7.5-31.5m Span for Heavy Duty A5

Name: 20T Double Girder Overhead Crane with 75315m Span for Heavy Duty A5
Brand: kiwicrane
Price: 5000 USD

Brand Name : kiwicrane

Model Number : LH

Certification : ISO、CE

Place of Origin : China

MOQ : one set

Price : USD5000~80000 one set

Payment Terms : MoneyGram, Western Union, T/T, D/P, D/A

Supply Ability : 1000 Sets One Year

Delivery Time : 20 Working Days

Packaging Details : PALLET

Condition : New

Warranty : 1 Year

Span : 7.5-31.5m As Your Request

Feature : Bridge Crane

Max. Lifting Height : 6m~30m

Lifting Load : 20T

Product Name : Electric Double Girder Overhead Crane

Control Method : Pendant Controller/Radio Remote Control

Color : Customized

Lifting Mechanism : Eliectric Wire Rope Hoist Or Electric Chain Hoist

Application : Construction Site Lifter,warehouse And So On,Single Girder Crane Use

Power Source : 3 Phase 380V 50hz,50/60Hz

Working Duty : A3~A5

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European A5 double-girder overhead crane with high-performance hoist for precise speed control

Main parameters of double girder overhead crane

Feature	European-Style A5 Double-girder Overhead Crane
Duty Classification	A5 (Heavy Duty/Intensive Use)
Structural Design	Lighter yet stronger due to optimized steel structures and precision welding.
Hoisting Mechanism	High-performance hoist (e.g., modular design) with faster speeds and longer service life.
End Carriages	Compact, low-headroom design with 42CrMo wheels for smoother travel.
Control System	Advanced frequency control (VFD) for precise
Maintenance	Reduced maintenance due to premium
Lifespan	Components; longer lifespan even in demanding conditions.
Cost	Higher initial investment but lower total cost of ownership (TCO).

Double girder overhead crane description

Finite Element Analysis (FEA) and Optimized Design:
- Principle: Advanced software simulates the loads on a crane under various operating conditions, accurately calculating stress distribution. This allows designers to eliminate unnecessary material redundancy and implement targeted reinforcement in high-stress areas.
- How to Extend Service Life:
  - Eliminating Stress Concentration: Optimizing the structural shape and smoothing stress transitions significantly reduces the initiation and propagation of fatigue cracks caused by stress concentration. Fatigue failure is the primary cause of failure in steel structures.
  - Ensuring Sufficient Rigidity and Strength: While maintaining lightweight, ensure that the structure's deflection and vibration amplitude under rated load are strictly controlled within standard limits. Excessive deformation accelerates fatigue damage and wear.
Using High-Strength Steel:
- Principle: Special steel with a higher yield strength (such as S690QL) is used.
- How to Extend Service Life: While carrying the same load, thinner plates can be used, while maintaining greater overall structural strength and fatigue resistance, fundamentally improving the durability of the "framework."

20T Double Girder Overhead Crane with 7.5-31.5m Span for Heavy Duty A5

Company Introduction

Hefei Kiwi Heavy Machinery Co.,ltd. is located in Feidong County, Hefei City, Anhui Province. Founded in 2010, the company is a professional manufacturer and service provider of lifting machinery, material handling and various non-standard equipment products. It is committed to the development and research of lifting machinery and logistics handling technology, inheriting advanced European design concepts and perfect process flows.

20T Double Girder Overhead Crane with 7.5-31.5m Span for Heavy Duty A5

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20T Double Girder Overhead Crane with 7.5-31.5m Span for Heavy Duty A5

20T Double Girder Overhead Crane with 7.5-31.5m Span for Heavy Duty A5

European A5 double-girder overhead crane

double-girder overhead crane with hoist

overhead crane with precise speed control

20T Double Girder Overhead Crane with 7.5-31.5m Span for Heavy Duty A5 Images