Model NO.: QC12Y-30x4000
Warranty: 12 Months
Voltage: 380V 50Hz
Cutting Size: 30X4000mm
Length of Blade: 3900mm
Power(W): 55kw
Weight: 25t
Model Number: QC12y-30X4000
CNC or Not: CNC
Trademark: Haoshuo
Transport Package: Nude Packing
Specification: 4600*2080*2250mm
Origin: China
HS Code: 85023100

Automatic stainless steel cut to Length Line,cutting machine

The metal steel coil cut to length line can do uncoiling, straightening, gauging, cross-cutting to length and stacking work. It mainly includes uncoiler, straightener, gauge, shearer, conveyor,stacker, hydraulic system, pneumatic system and electrical system, etc. The line can make sure of accurate feeding and shearing. It can be widely used in cold or hot rolled carbon steel, tinplate, stainless steel and all e other kinds of metal materials with surface coating. The cut to length line is controlled by PLC system. The information of length, shearing numbers and speed can be input to the PLC systems via HMI(Human Machine Interface) touch screen. When the needed shearing quantity is reached the line can stop automatically. The line speed can be adjusted, It has a gauge with high precision, and whole line can work automatically and operate easily, smooth plates can be made. 
 

Item

BHJ 400

BHJ 500

BHJ 600

Silicon steel thickness

0.23-0.5mm

Strip width

40-400

40-500

60-600

Suitable coil ID

460-520mm, or as per your requirement

Length tolerance

±0.2mm

Cutting burr

Max 0.02mm

Productivity

If L=1000mm, about 28 pcs/min

Cutting angle tolerance

≤0.5º/1000mm

Blade material

YG20 hard alloy

Total line length

10.5m

10.5m

18.5m

FAQ:
1) Q: Are you manufacturer or trading company?
A: We are manufacturer and trading company .

2) Q: Do you provide installing and training overseas?
A: Overseas machine install and worker training services are optional.

3) Q: How is your after sales support? 
A: We provide technical support on line as well as overseas services by skillful technicians. 

4) Q: How does your factory do regarding quality control? 
A: There is no tolerance regarding quality control. Quality control complies with ISO9001. Every machine has to past testing running before it's packed for shipment.

5) How can I trust you that machines pasted testing running before shipping?
A: 1) We record the testing video for your reference. Or,
2) We welcome your visit us and test machine by yourself in our factory.

6) Q: Do you sell only standard machines?
A: No. Most machines are made to order.

7) Q: Will you deliver the right goods as ordered? How can I trust you?
A: Yes, we will. We are Gold supplier of Made-in-China with SGS assessment (Audit report can be provided). 


Contact us:
 
Tel: +86 151 5222 5198
 
 

A reaction turbine is a type of Steam Turbine that works on the principle that the rotor spins, as the name suggests, from a reaction force rather than an impact or impulse force.

In a reaction turbine there are no nozzles to direct the steam like in the impulse turbine.

Instead, the blades that project radially from the outer edge of the rotor are shaped and mounted so that the shape between the blades, created by the cross-section, create the shape of a nozzle.  These blades are mounted on the revolving part of the rotor and are called the moving blades.

The fixed blades, which are the same shape as the moving blades, are mounted to the outer casing where the rotor revolves and are set to guide the steam into the moving blades.  Below is a simple diagram of reaction turbine blades:


Reaction Turbine Principle:

In the case of reaction turbine, the moving blades of a turbine are shaped in such a way that the steam expands and drops in pressure as it passes through them. As a result of pressure decrease in the moving blade, a reaction force will be produced. This force will make the blades to rotate.

Turbines_impulse_v_reaction



Reaction Turbine Working:

A reaction turbine has rows of fixed blades alternating with rows of moving blades. The steam expands first in the stationary or fixed blades where it gains some velocity as it drops in pressure. Then enters the moving blades where its direction of flow is changed thus producing an impulse force on the moving blades. In addition, however, the steam upon passing through the moving blades, again expands and further drops in pressure giving a reaction force to the blades.

This sequence is repeated as the steam passes through additional rows of fixed and moving blades.

Note that the steam pressure drops across both the fixed and the moving blades while the absolute velocity rises in the fixed blades and drops in the moving blades.

The distinguishing feature of the reaction turbine is the fact that the pressure does drop across the moving blades. In other words, there is a pressure difference between the inlet to the moving blades and the outlet from the moving blades.

Special Aspects of Reaction Turbines

  • There is a difference in pressure across the moving blades. The steam will, therefore, tend to leak around the periphery of the blades instead of passing through them. Hence the blade clearances as to maintain as minimum as possible.
  • Also, due to the pressure drop across the moving blades, an unbalanced thrust will be developed upon the rotor and some arrangement must be made to balance this.



Reaction Steam Turbine

Reaction Steam Turbine

Shandong Qingneng Power Co., Ltd. , https://www.steamturbine.be