Winding Wires Test Equipment

IEC60851-3 Winding Wires Elongation Test Apparatus 1. Introduction The wire elongation test apparatus is designed according to the IEC60851-3 clause 4.1 and GB/T4074.3 clause 4.1. It’s used for measuring the elongation (extension) rate of enameled wires, silk-wrapped or other insulation-coated round copper wires ranging from φ0.018 mm to φ3.000 mm, as well as other metal wires with a breaking force of ≤5000 N. Principle: A straight piece of wire shall be elongated to the

IEC60851-3 Round Wire Mandrel Winding Test Apparatus 1. Introduction The round wire mandrel winding test apparatus is designed according to IEC60851-3 clause 6.2.1 and GB/T4074.3 clause 6.2.1. It’s used to evaluate the flexibility, heat shock resistance, thermal bonding strength, resistance to water-containing transformer oil, weight loss, and other properties of enameled round wires with a nominal conductor diameter of 1.60mm or less. A straight piece of wire shall be wound

Enamelled Round Wire Peer Test Apparatus 1. Introduction The enamelled round wire peer test apparatus is designed according to the IEC60851-3 clause 6.5 figure 6 and GB/T4074.3 clause 6.5 figure 6. It’s used to test the film adhesion properties of enameled round wires with a nominal conductor diameter over 1.000 mm. A straight piece of wire shall be placed in the test equipment consisting of two fixing devices 500mm apart on the same axis. One of these is free to rotate. The

IEC60851-3 Enamelled Round Wire Abrasion Resistance Test Apparatus 1. Introduction The enamelled round wire abrasion resistance test apparatus is designed according to IEC60851-3 clause 7 figure 1 and figure 2 and GB/T4074.3 clause 5.2. It’s used to test the abrasion resistance of the enamel film on round enameled wires with a nominal conductor diameter over 0.250 mm. Principle: A straight piece of wire is subjected to a unidirectional scrape test, by a needle to which a

IEC60851-3 Winding Wires Springiness Test Apparatus 1. Introduction The winding wires springiness test apparatus is designed according to IEC60851-3 clause 5.2 figure 1 and figure 2 and GB/T4074.3 clause 5.2. It’s used to test the springiness of the round wire with a nominal conductor diameter from 0.080mm up to and including 1.600mm. Principle: A straight piece of wire is wound five times around a mandrel with a diameter and under a tension applied to the wire as specified

R ectangular Wire Mandrel Winding Test Apparatus 1. Introduction The rectangular wire mandrel winding test apparatus is designed according to IEC60851-3 clause 6.2.2 figure 4 and GB/T4074.3 clause 6.2.2 figure 4. It’s suitable for winding testing of various rectangular wires with a nominal conductor diameter of 1.60mm or less—including enameled rectangular wire, paper-insulated rectangular wire, glass-fiber-insulated rectangular wire, and film-wrapped wire—as well as

IEC60851-3 Enamelled Round Wire Jerk Test Apparatus 1. Introduction The enamelled round wire jerk test apparatus is designed according to IEC60851-3 clause 6.4 figure 5 and GB/T4074.3 clause 6.4 figure 5. It’s used to test the film adhesion properties of enameled round wires with a nominal conductor diameter up to and including 1.000 mm. A straight piece of wire shall be rapidly stretched to the breaking point with test equipment as shown in figure 5. A free measuring length