China 5~74 20ton Span 22.5m Double Girder Overhead Casting Crane

Heavy Duty/Class Casting Overhead Crane/ladle lifting crane

standard capacities5~74/20tspan10.5-31.5mworking class A7, A8working temperature-10~60'CThis crane is special for lifting molten metal.
Special thermal-protective coating is added at the bottom of main girder.
Features:
* Strong double girder box type,
* high strength structure,
* welding by machine hand.
* Thermal-protective coating is added at the bottom of the main girder.
* Wheels, wirerope drum, gears, couplings, shafts are manufactured by CNC manchine, top quality control.
* Heavy duty slipring motor, or, squirrel cage motor with VVVF, IP54 or IP55 protection class, H insulation class,
* Soft starting and stopping, smooth running
* Electric hydraulic thruster, safe and strong brake
* Siemens main electric parts are used for durable working and frequent using.
* Wireless control, cabin control, commfortable and safe operation
* High working efficiency and output, Low maintenance, low cost mainteannce.
Safety:
1. Overload protection: If the material is over the capacity, the crane will give a sharp warning for protection itself.
2. Emergency brake: If the operation staff encounter some emergency situation, we could start the emergency brake system to protection the related treasure.
3. Control Method: Room control or remote control to avoid any injure to the operation staff
4. Main lifting motor: With thermal protection and currency protection.
Painting:
Anti-rust painting, primer and finishing paint, yellow or red color, General thickness: about 105 microns

Ordering instructions:
1, what's the lifting capacity?
2, what's the span of the crane (from rail center to rail center)
3, what's the lifting height?
4, what's the working time and frequency?
5, what speeds (lifting speed, travel speed) do you need?
6, what's the working industry voltage there?
7, what control methods do you need: cabin control, remote control or cabin+ remote control?
8, what color do you need?
9, your other special requirements

After sales service:
1. Warranty: the quality of our cranes is guaranteed for one year. In this period, if any quality problem happens with correct operation, we will send spare parts to our customer free of charge.
2. After warranty, we will supply spare parts at cost prices to our customer.
Why our foundry crane?
Top quality Chinese brand crane
Siemens or Schneider world famous brand electricals
Overload protection function
European CE standard
Chinese best price
about us:
1. We are in Crane Hometown of China, could supply you the best quality crane, grab bucket and electromagnet with high technique, and the price is the best.
2. We could supply you all kinds of industry cranes from 0.25tons to 900tons, pass GB/T 19001-2000 idt ISO 9001: 2000, GB/T 24001-2004 idt ISO 14001: 2004, GB/T 28001-2001, OHSAS 18001: 1999, CE, GOST and so on.


Capacity
t
5
10
16/3.2
20/5
32/5
50/10
74/20
Span
m
10.5~31.5
13.5~31.5
Max. Lifting Height
Main hook
m
16
16
16
12
16
12
22
Auxiliary hook
18
14
18
16
24
Speed
Main hoisting
m/min
15.5
10.4
10.7
9.8
7.8
7.8
6.1
Auxiliary hook
14.6
15.5
15.5
10.4
9.7
Trolley travelling
37.2
43.8
44.6
44.6
42.4
39.3
33.8
Crane travelling
92.7
93.7
92.7
93.7
86.5
76
89
76
89
89
75.3
75.3
75
76.6
67.3
Motor
Main hoisting
Kw
15
22
37
45
55
75
90
Auxiliary hoisting
11
15
15
22
37
Trolley travelling
1.5
2.2
3.7
3.7
7.5
11
15
Crane travelling
2 x 5.5
2 x 7.5
2 x 5.5
2 x 7.5
2 x 7.5
2 x 11
2 x 7.5
2 x 11
2 x 11
2 x 11
2 x 15
2 x 22
Power supply

3-phrase 50HZ 380V