Weldor plate bending machines are available in six different ranges, all range of machine has a different mechanism, specifications and systems for suitable applications and production rate. Type w4rhh w4rhm w3rhh w3rhm w3rmm w3rml. Model w4rhh is very suitable for medium and heavy plates or stainless steel, model w4rhm is very suitable for light and medium plates. All other technical specification, standard & optional equipment is as under.