for special application haeusler provides various kinds of special machines for uncommon profiles or serial works, i.e. four-roller bending machines for serial works or bending special aluminum sections. the vpr machines ......for special application haeusler provides various kinds of special machines for uncommon profiles or serial works, i.e. four-roller bending machines for serial works or bending special aluminum sections. the vpr machines receive the best pre-bending results. they provide four-roller bending technology for section bending. besides its standard section bending machines which allow also to bend tubes, haeusler provides a large range of specialised machines for achieving various types of tube bending work, and also customer designed machines. these machines allow to bending of any kind of tube into different types of coils, like multiple starter coils, coils with varying pitch or conical coils.