Laying head is one of a key and precision device in high speed production line of hot-rolled wires. Laying head device is located in water cooling section after the finishing rolling mill. The finishing mill is designed for a speed of 60-120 m/s for wire rod having a minimum diameter. Normally the mill produces series for steel wire rods diameter is between ϕ4.5 and ϕ16.0 mm. Thus, the speed of linear wire rods pass through the laying head is very fast while the laying head is rotating. The hot wire rods are formed into loops out of the laying head and continuously laid on a Stelmor conveyor to send to the next processes.
The curve of laying pipe should be designed smoothly for the wire rod passing through easily. The requirement of the coils diameter is ensured by the exit position of the laying pipe. The speed of coils leave the laying pipe should be very small to ensure the coils can fall on the conveyer freely.
The laying pipe should be used for long term and cannot be worn easily. The worn is caused by the friction force on the inner surface of laying pipe. The curve should be designed smoothly to prevent the wire rod be worn sharply in some position. An ideal laying pipe curve can make the wire rod pass through comfortably. In this situation, the friction force will be decreased and will not be concentrated in small section of the laying pipe. As the result, the laying pipe will be used for a long term and the laying head working stability is improved.
1. Application
A) used to horizontal and vertical laying head.
B) used to all laying head with speed up to 120 M/S
C) used to Wire Rod Mill supplied by Morgan, Pomini, SMS etc.
2. Features
By specially developed raw materials, and by the advanced new coating technology, our Laying head pipe has the following features:
A) Anti-wear out, Extra long life, up to 30, 000 tons, for diameter 6.5mm, at 100m/s.
B) Wear out format is line wear, which can decrease the Laying head vibration, and form a better coil shape.
C) Weight difference between each laying head pipes are less than 100 g, so the pipes are easy to be balanced.
D) Pipes are one-step formed with standard shapes, prefect smooth surface.
E) Roughness USA Standard: 3.2 to 5.0 μ or China Standard GB 3505, 3.2.
F) Delivery time: within 2 months after receiving of down payment.
3. Special commercial modes
A) Trial order:
B) Single piece supply
C) Supply by SOD Mode
4. Special Technical Services
A) Support you with professional technical consulting, free of charge.
B) Support you with life database
C) Support you with un-normal Life alarm before fault
5. What you need supply when inquiry:
A) Pipe Drawings
B) Production mix / steel Grade
C) working process parameters (hour production tons, wire diameter, off-line condition)
D) life of existing suppliers
E) Or a sample pipe
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