Scratch Resistance Test Device With Hardened Steel Needles For Electrical Appliances

Scratch Resistance Test Device YW-1151B Standards: GB4706.1-2005 "Safety of Household and Similar Electrical Appliances - Part 1: General Requirements" Clause 21.2 GB4943.1-2011 Clause 2.10.8.4 IEC60335-1 IEC60950 Testing Purpose: Conduct scratch tests to evaluate the strength of solid insulation on accessible parts or printed circuit boards in household appliances and similar products, ensuring they can withstand penetration by sharp tools. Test Samples: Household appliances Printed circuit boards Structure and Functions: l Structure: Aluminum alloy frame, stainless steel enclosure plate, sandblasted aluminum base plate, formed ball screw and guide rail device, hardened steel needle, rotating sample tray l Function: Perform scratch tests using hardened steel needles. l Needle Tip: Conical shape with a 40° angle, rounded and polished tip with a radius of 0.25mm ± 0.02mm. l Workstation: Electric s…