GB/T 32514.5-2016Resistance welding -- Welding current measurement for resistance welding -- Part 5: Verification of welding current measuring system (English PDF)

Foreword

GB/T 32514 "resistance welding current measurement" is divided into five parts.

- Part 1. Measurement guidelines;

Part 2. welding current measuring instrument with current sensing coil;

Part 3. Current sensing coils;

- Part 4. Calibration system;

Part 5. Confirmation of welding current measurement systems.

This part is part 5 of GB/T 32514.

This part is drafted in accordance with the rules given in GB/T 1.1-2009.

This part uses the translation method equivalent to ISO 17657-5.:2005 "Resistance welding current measurement Part 5. Welding current measurement Quantity system confirmation ".

And the normative reference in this standard international documents are consistent with the relationship between China's documents are as follows.

Mechanical and electrical requirements for resistance welding machines (ISO 669.:2000, MOD) GB/T this part is made by China Electrical Equipment Industry Association.

This part of the National Welding Technology Standardization Technical Committee (SAC/TC70) centralized.

This part of the drafting unit. Chengdu Sanfang Electric Co., Ltd., Shenzhen Peng Yu Wei Technology Co., Ltd., Tianjin seven high-tech Co., Ltd., Tian Tian Miaji Trade (Shanghai) Co., Ltd., Zhejiang Ken was Electrical Co., Ltd., Guangzhou Songxing Electric Co., Ltd.

1 Scope

This part of GB/T 32514 specifies the use of a single-phase AC (50Hz or 60Hz) or DC resistance with a current sensing line Ring welding current measuring instrument and monitoring equipment to implement the confirmation of the operating procedures.

The confirmation procedure applies a current range of 0.5kA to 25kA.

2 Normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 32514.2-2016 Resistance welding current measurement - Part 2. Welding current measuring instrument with current sensing coil (ISO 17657-2.:2005, IDT) GB/T 32514.4-2016 Resistance welding current measurement - Part 4. Calibration system (ISO 17657-4.:2005, IDT) ISO 669 resistance welding resistance machine mechanical and electrical requirements (Resistancewelding- Resistanceweldingequip-ment-mechanicalandelectricalrequirements

3 Terms and definitions

ISO 669 and the following terms and definitions apply to this document.

Test (current sensing) coil test (beforeensing) coil the current sensor to be confirmed.

Main (current) coil

A current sensor, commonly referred to as a Roche coil, is calibrated in accordance with a reference current sensor.

Test welding current measuring instrument testweldingcurrentmeter to be confirmed by the welding current measuring instrument.

Main welding current measuring instrument masterweldingcurrentmeter A welding current meter has been calibrated in accordance with a reference welding current meter.

4 Test device

Verify that the test equipment used includes resistance welding machine, main welding current measuring instrument with coil, and test welding current test to be tested Volume system or monitoring equipment (including coil). Figure 1 shows a typical test device. The positioning of the induction coil shall be in accordance with GB/T 32514.2-

2016 Position B, F and H in Figure 1 match.