Fasteners can be produced through three basic technological procedures. Why don’t we find out them together?
Which are the processes?
As stated above, there are three different technological processes for the production of fasteners:
- shaving removal (small batch of screws)
- hot plastic deformation (for larger diameters)
- cold plastic deformation (for smaller diameters)
Let’s see them in particular!
Shaving removal
This type of process start with bars. These are then processed on automatic lathes, in order to get small series or small parts of special shapes. The production of fasteners is not limited to just one process: in some instances, more than one is required.
Hot plastic deformation
This procedure has its field of applications by induction heat systems for hot forging fasteners production. Itv is especially employed in the presence of large fasteners.
Cold plastic deformation
Last but not the least, here is the procedure for cold plastic deformation, the most widely used (at least up to 30 mm diameter) for the steel wire in rolls on automatic presses. Why? Here are the many technical and economic advantages, compared to the other two cases:
- Maximum hourly production rate
- Minimum consumption of raw material
- Best dimensional quality on the finished product
- Best mechanical characteristics on the finished product.
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