DescriptionStep molding is carried out on a special C-frame compression molding machine to produce small cross-section parts in moderate lengths and longer items in step cycles. The process enables continuous joining to deliver endless, one-piece gaskets adapted for washer applications.
Features- Continuous joining produces one-piece endless gaskets without the need for oversized dies.
- Lower rejection rates for short running lengths compared with extrusion.
- Accurate maintenance of sharp profiles and cross-sections.
- Suitable for step-cycle production of moderate to long lengths.
Typical product forms- Large-size BSF (Both Side Flat) washer gaskets.
- Rectangular strips and square cross-section gaskets.
- O-ring cord and large O-rings.
- Endless gaskets for sealing and cushioning applications.
Technical specifications- Manufacturing: Step molding on compression molding machines (special C-frame type).
- Joining: Continuous joining process for endless/one-piece production.
- Advantages: No need for large dies, reduced scrap versus extrusion, precise profile control.
- Materials: Compatible with common elastomers (rubber, silicone, NBR, EPDM) depending on customer requirements.