Spline roller and spline rolling are high-yield and economical cold forming process, which can be used to form various shapes, including spline, thread, screw, snap ring, etc. The spline rolling process uses two opposite formed racks that advance on cylindrical parts under extremely high forces. The tool life of forming frame is long, and 100000 parts or more can be produced between each grinding. The forming frame can usually be reground five times. We always launch new design of thread rolling machines. Meanwhile, 3-slide cold rolling machines has already win good comments from buyers from domestic and abroad. We also provide three dies rolling machine and please contact with us immediately for more specification.
1.) TB-30A is specially designed for hollow parts,tubular processing,easy to operate.
2.) Three dies with equilateral triangle supports to ensure the roundness,vertical degree and concentricity.
3.) Thru feed and in-feed are both available.The spindle is controlled by frequency converter,the rotation speed can be adjusted as you want.
4.) With heating treatment for driving gear,lower noise and high durability
5.) Specially suitable for: connectors,auto fittings,oil tube joint,motor vehicle parts,knurling of bathroom handle,NPT/BSPT tube and so on.