3. What machines are available on the market?

3.1 Machine features

Basic parameters of rotation welding

• rotation speed: from 100 to 14,000 rpm;

• shaft pressure: from 1.0 to 7.0 MPa ;

• rotation and cooling time: variable from fractions of a second to 20 s ;

• cylinder diameter: 40 mm, 63 mm.

They are function :

• the nature of the materials ;

• from diameter to parting line ;

• the thickness of the material at the parting line.

Dimensional parameters

• For circular...