Cold roughing on thick sheet metal represents one of the most advanced and precise machining operations in the thick sheet metal industry. This process is distinguished by its ability to ensure minimal tolerances, achieving accuracy levels down to tenths of a millimeter. But how exactly does it work? What advantages does it offer over other techniques? Let’s find out together.

Cold roughing is a machining operation that removes material from a sheet without altering its structural properties. Unlike hot roughing, which uses heat to process the material, cold roughing uses high-precision mechanical tools, ensuring extremely accurate results.
This process is particularly suitable for thick sheet metal, where it is critical to maintain tight tolerances and achieve clean surfaces ready for further processing or direct use.

The process consists of several main steps:

1. Sheet metal preparation:
   The sheet metal is placed precisely on the machine, making sure it is firmly secured to prevent movement during processing.
2. Parameter setting:
   Experienced operators program the machines using advanced software. These parameters include cutting speed, roughing depth, and the type of tool to be used.
3. Material removal:
   Through high-precision tools, the material is gradually removed from the sheet metal. This process can be repeated in multiple passes to ensure an optimal finish.
4. Quality Control:
   After machining, each part is carefully checked to make sure it meets the required tolerances. Advanced measuring tools such as digital gauges ensure impeccable accuracy.

Cold roughing offers many advantages that make it an excellent choice for many industrial applications:

• Accuracy:
  With tolerances down to tenths of a millimeter, this technique is ideal for machining requiring details with excellent precision.
• No thermal alteration:
  Since the process takes place cold, the mechanical and structural properties of the sheet metal remain unchanged.
• Suitable for thick sheet metal:
  It is possible to process heavy thicknesses with the same precision guaranteed for thinner materials.
• Reduction of further processing:
  Due to the high accuracy, the machined sheet metal is often ready for final use, reducing the need for further steps.
• Guaranteed reliability:
  The experience of specialized personnel and the use of the latest machinery ensure excellent results.

This processing is ideal in a variety of situations, including:

• Precision industrial components:
  For applications where close tolerances are essential.
• Customized projects:
  When the customer requires special geometries or complex machining.
• High-specification sectors:
  Such as the aerospace, automotive and mechanical engineering industries, where quality is a must.

Cold roughing on thick sheet metal is synonymous with precision, efficiency and reliability. Thanks to the use of advanced machinery and the expertise of highly qualified personnel, this process achieves optimal results, meeting the most specific needs of the industrial market. If you are looking for an experienced cold roughing partner, Sidertaglio Lamiere is the right choice. Contact us for more information or to request a custom quote. We are here to help you realize your projects with precision and punctuality.