Price:Negotiable

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Description:

spirals
1.professional factory of spring
2.large output:90ton per month
3.excellent technic
4.export to USA

XuDong  is  the leading manufacturingof Mine Drilling Toolfor the machine in China .

 

Productionprocess:

1 continued cold rolling screw flighting  when thethickness is  3-5mm , inner dia>=20mm, outerdia<=800mm.

2 continued twisting when it has 3-20mm thickness, innerdia>=8mm, out dia<=200mm.

3 stamping and estanding which adapted for any product but needmaking specified mold.

 

Specification: 

Blade Thicknessmm	Outer Diametermm	Inner Diametermm	Pitchmm
3.5	60-500	20-320	40-450
5.0	67-612	25-414	60-612
8.0	250-800	60-168	200-640

 

Feature:

1.smooth finished surface, uniform shape,high precision

2.good tensile strength and wear resistance,reduce material damage

3.without welding, easy installation

4.improve the ability of resisting rust

5.is conducive to materials transportation, improve transportation efficiency.

 

Application:

Applicable to screw conveyor,combine harvester, grain machinery, mine machinery,mixer etc.