JB/T 13910.3-2020Stacking machines - Part 3: Accuracy (English PDF)

Foreword

JB/T 13910 Piler is divided into three parts:

-- Part 1: Types and basic parameter;

-- Part 2: Technical requirements;

-- Part 3: Accuracy.

This Part is Part 3 of JB/T 13910.

This Part was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This Part of JB/T 13910 specifies the inspection requirements, geometric accuracy and working accuracy of pilers.

This Part applies to the piler on the uncoiling, leveling and shearing production line for sheet metal.

2 Terms and definitions

The following referenced documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including any amendment) applies to this document.

GB/T 8170, Rules of rounding off for numerical values & expression and judgment of limiting values

GB/T 10923, Test code of accuracy for metalforming machine

3 Inspection requirements

3.1 The accuracy inspection shall comply with the provisions of GB/T 10923.

3.2 The numerical rounding value of the inspection data shall comply with the provisions of GB/T 8170.

3.3 During the accuracy inspection process, the mechanism and parts that affect the accuracy shall not be adjusted.

3.4 The accuracy inspection can be carried out in an adjustable order.

3.5 Before the accuracy inspection of the piler, the supporting platform and the supporting frame shall be leveled, and the horizontal deviation shall not exceed 0.5/1 000.

3.6 During the inspection of working accuracy, the width side of the sheet shall be trimmed before the inspection of the width direction in the interlayer deviation item.

3.7 During the inspection of working accuracy, the stacking deviation items shall be inspected according to the maximum stacking height of 400 mm. […]