Luoyang Yujie Industry&Trade Co., Ltd is one of the most experienced manufacturers and suppliers of casting steel bush for foil in China. Please feel free to buy cheap casting steel bush for foil for sale here from our factory. All customized products are with high quality and competitive price.
Description
Spools, also known as winding spools or occasionally rolling mill sleeves, are thick-walled tubes used for winding thin aluminium strips, aluminium foil or stainless steel thin sheet metal for transportation in the manufacturing process and storage. The wound metal is called a coil.
Product advantages
(1) Adopting the centrifugal casting process to achieve high density of materials.
(2) Use the special tool to process end face, taper and the outer circle according to inner hole to ensure beating of the taper, the concentricity and cylindricity of the steel spool.
(3)Selected materials: ZG35,KCP-12 and other high temperature resistant material,non-deformable alloy steel.
Process of steel bush:
1. centrifugal casting
Centrifugal pressure casting can ensure chemical composition of the spile, achieving its is reliability and accuracy. Ther will not be crack,scum stoma and sandstone in its inner and outer surface because of centrifugal pressure casting.Besides, excellent heat treatment can ensure the mechanical properties of the spile.
2. Machining
Professional equipment is used to process inner hole, outer circle and key groove to ensure the precision of inner hole and diameter tolerance of cylinder within 0.05 MM;
The processing needs to meet the concentricity requirements of outer circle and inner hole;
The machining of outer circle and taper is finished in the same CNC lathe, which satisfies its tolerance and size requirement.
3.Dynamic balance test
The spile is carried out on the professional dynamic balance machine whicn can ensure its precision reach G2.5.
4. Package and delivery
The inner and outer surface of the spile is coated with anti-rust oil with the plastic cloth and the grass ropes tightly wound around it;
It is delivered by whole lot, with measures of anti-collision without other goods. Besides, it can also be packaged and shipped according to export standard.
Elements
Materials | C | Si | Mn | Cr | Ni | Mo | v | S,P | Introduction |
ZG310-570 | 0.50 | 0.6 | 0.90 | ≤0.040 | Low plasticity and toughness, low temperature resistance, low cost. | ||||
35CrMo | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 | ≤0.035 | High strength, toughness and hardness, high temperature resistance, low cost | ||
35CrMov | 0.30-0.38 | 0.17-0.37 | 0.40-0.70 | 1.00-1.30 | 0.20-0.30 | 0.10-0.20 | ≤0.035 | Better than 35CrMo performance, low cost | |
35NiCrMo | 0.30-0.37 | 0.6-0.9 | 0.40-0.90 | 0.40-0.90 | 0.60-0.90 | 0.40-0.50 | ≤0.035 | High strength and toughness, high temperature resistance, high cost | |
KCP-12 | 0.20-0.30 | ≤0.60 | 0.90-1.10 | 0.40-0.90 | 1.00-1.50 | 0.30-0.50 | ≤0.040 | High strength and toughness, high temperature resistance, high cost |
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