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steel winding spool for aluminium sheet

Material: ZG310-570, ZG35CrNiMo, 35CrMo, KcP-12,etc. Structure: Centrifugal casting; Precision: 0.05mm; Specification: Φ566*1500(1550),Φ665*1700(1850 2200 2350),Φ670*2500(2880), according to drawings
Product Details:

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 winding spool:


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


Hot Tags: steel winding spool,steel spool, rolling mill steel spool, steel sleeve,steel bush,steel bushing
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