Overhead Cranes
Double Girder Overhead Crane
The double girder overhead crane range covers 5, 10, 15, 20, 30, 50, 100, 150 and 200 tons and beyond, in two builds. The light double girder crane is the cost effective choice for medium capacity work and can be customised up to 100 tons.
Product Overview
The double girder overhead crane range covers 5, 10, 15, 20, 30, 50, 100, 150 and 200 tons and beyond, in two builds. The light double girder crane is the cost effective choice for medium capacity work and can be customised up to 100 tons. The heavy duty build handles both lifting and pulling for demanding indoor facilities, with spans to 49 metres, lifting heights of 30 to 40 metres and long travel up to 90 metres per minute.
Key Benefits
- One structural family from 5 tons to several hundred tons
- Two builds so medium duty work is not charged at heavy duty prices
- Greater hook height than a single girder crane on the same runway
- Trolley runs the full span for complete bay coverage
- Customisable span, lifting height and travel speeds
Problems It Solves
- Hook height that is too low once a bulky trolley is fitted
- Single girder cranes at the limit of their capacity
- Mixed crane brands across a plant with different spare parts for each
- Cranes that cannot serve the full span of the bay
Where It Is Used
Applications And Buyers
Application Scenarios
- Indoor manufacturing facilities lifting medium to heavy loads
- Machine shops moving workpieces between machines
- Assembly halls handling large sub assemblies
- Maintenance bays lifting equipment for overhaul
Who It Is For
- Plants fitting out a new bay who need one crane family across several capacities
- Operators standardising cranes across multiple bays
- Fabricators lifting and pulling loads in the same cycle
- Facilities replacing a single girder crane that has run out of capacity
Technical Features And Specifications
Technical Features
- Double girder bridge structure
- Light build customisable to 100 tons
- Heavy duty build for combined lifting and pulling, up to 600 tons in the wider range
- Spans up to 49 m, lifting heights 30 to 40 m
- Long travel up to 90 m per minute
| Capacity Steps Offered | 5, 10, 15, 20, 30, 50, 100, 150, 200 ton and above |
|---|---|
| Light Build Customisation | Up to 100 ton |
| Upper Range | Up to 600 ton on the heavy duty build |
| Max Span | 49 m |
| Lifting Height | 30 to 40 m |
| Long Travel Speed | Up to 90 m/min |
| Crane Type | Double girder bridge crane |
How It Is Made And Checked
Materials Process And Quality Control
Manufacturing Process
- Laser cutting
- Milling
- Welding
- Assembly
- Load testing
Quality Control
- Specification agreed in writing before production starts
- First article or sample approved against the agreed specification
- Goods inspected and photographed at the factory before loading
- Inspection report sent to you before the container sails
Customisation Options
What Can Be Varied
- Capacity selected across the full range
- Light or heavy duty build
- Span and lifting height to the building
- Travel speeds to the cycle time required
- Control method and operator position
Compared With The Alternatives
| Single girder overhead crane | Double girder gives more hook height and higher capacity on the same runway, with a heavier structure and higher cost. |
|---|---|
| Electric hoist crane | An electric hoist crane is the lighter, simpler answer for lower capacities; the double girder crane takes over where loads and duty rise. |
Use Guide
- Choose the capacity step above your heaviest planned lift, not equal to it
- Confirm the runway rail centres and rail type before selecting the build
- Check that the required hook height is achievable under your roof
- Standardise control type across bays so operators move between cranes safely
Questions
Questions Buyers Ask About This Product
What capacities are available?
5, 10, 15, 20, 30, 50, 100, 150 and 200 tons are offered as standard steps, with higher capacities available in the heavy duty build.
Which build suits a medium capacity workshop?
The light double girder build, which is customisable up to 100 tons and is the cost effective option for medium loads.
Can the crane pull as well as lift?
The heavy duty build is intended for both lifting and pulling duty.
What is the maximum span?
49 metres, built to your rail centre distance.
How fast can the bridge travel?
Long travel is available up to 90 metres per minute, set to suit the hall length and cycle time.
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