Technology
Contact us
Spiroflex d.o.o.
Ljudevita Gaja 7
35 208 Ruščica
Croatia
Phone: +385 35
e-mail: info@spiroflex.hr
Bellows forming
Spiroflex uses three kinds of processes for bellows forming:
- Roll forming of bellows
- Expanding mandrel (punch) forming of bellows
- Hydraulic forming of bellows
Roll forming of bellows
In this mechanical disc forming process the rolling tools are milling the convolutions into the cylinder.
The customer has the advantage to choose any internal diameter from DN15 to DN260 and this is the best type for small quantity production and short delivery time.
Furthermore there is a possibility to order from one to a few bellows at reasonable prices.
Mechanical roll forming of bellows
DN15 to DN800
Machine
mechanical roll forming machine
Base materials
longitudinally welded tubes
Expanding mandrel (punch) forming of bellows
Spiroflex hydro-formed bellows have high elasticity, bend ability, There are two parts of forming processes, the first forms the tube into convoluted shape and the second is the rolling finishing process. The convolutions are punched individually and the thinning of bellows material is eliminated.
Expanding mandrel forming
DN100 to DN800
Machines
- expanding mandrel forming machine
- roll forming machine
Base materials
longitudinally welded tubes
Hydraulic forming of bellows
Spiroflex hydro-formed bellows have high elasticity, bend ability, resistance to high pressure and vacuum. They are highly hermetic and resistant to low and high temperature.
Furthermore, the high technology and precise equipment has a possibility for mass production at acceptable prices and exceptional quality of products.
Spiroflex is proud of this improved, modern, and precise high technology.
Hydraulic forming
DN10 to DN90
Machine
hydraulic forming machine
Base material
welded and seamless deep drawn tubes