The SNP-390 notch cutting machine is designed to prepare metal impact specimens in compliance with ASTM E23, ISO 148, and EN10045-2 international standards. The system is capable of producing both V-shaped (45\u00b0) and U-shaped notches using a manual broaching process, which is one of the most accurate and reliable methods for preparing standardized impact specimens.
\nA notch is intentionally introduced into an impact specimen to create a controlled stress concentration point ensuring that fracture initiates at the specified location during testing
\nThe critical performance factors of notch cutting machine include the use of a high-hardness precision broaching blade with a specified geometry, including notch angle, root radius. The broaching tool is designed for long-term operation with minimal need for adjustment. To ensure accurate and repeatable impact test results, the specimen must be free from cracks or defects before notching, and the machined notch must comply with the specified depth, angle, and root radius requirements.
\nAccurate preparation of impact specimens is essential because any deviation from the specified notch geometry can significantly influence the test results, particularly the absorbed impact energy.
\nBroaching tool is a specially manufactured hardened steel cutting tool produced through a complex manufacturing process. Although it requires advanced machining and is relatively costly, it is specifically designed for producing standardized impact specimen notches. The tool consists of multiple cutting teeth with gradually increasing dimensions and heights, allowing notch to be formed progressively through successive cutting operations.
\nIn general, impact specimen notch cutting machines based on the broaching method have a higher initial cost; however, they provide the most reliable solution for producing high-accuracy and standard-compliant notches with excellent surface quality. This method minimizes operator dependency and contributes to more accurate and reliable impact test results.
\nBroaching tools for producing U-shaped and V-shaped notches with hardness values of 58 RC and 62 RC, are manufactured by SANTAM specialists. Quality verification is performed, and relevant local material and manufacturing certificates are provided.<\/p>\n","protected":false},"excerpt":{"rendered":"