Rod making machine, specified part for rod making machine, and method for making specified part

The invention provides a rod making machine for producing products for the tobacco industry, and the rod making machine is provided with a forming section (15) formed by a format base (3) and one or more format parts (6, 7), and a format strip (2) implementing transport movement, wherein the format strip is placed on the format base (3), and envelope strips (12) placed on the format strip (2) and moving together therewith via the transport movement of the format strip (2), rods (1) made of tobacco or filter materials are placed on the envelope strips, wherein at least one format part (6, 7) comprises contact surfaces (11, 17) at which envelope strips (12) are arrived during a transport movement with a side edge at a system. The side edge of the envelope strips (12) is moved by the system at one contact surface (11) during the transport movement from a lateral alignment into a curved alignment surrounding the rods (1). The contact surface (11) is formed such that sectional lines (20, 21, 22, 23, 24, 25) of por