Skip to product information
1 of 4

PayPal, credit cards. Download editable-PDF and invoice in 1 second!

JB/T 13910.3-2020 English PDF (JBT13910.3-2020)

JB/T 13910.3-2020 English PDF (JBT13910.3-2020)

Regular price $70.00 USD
Regular price Sale price $70.00 USD
Sale Sold out
Shipping calculated at checkout.
Quotation: In 1-minute, 24-hr self-service. Click here JB/T 13910.3-2020 to get it for Purchase Approval, Bank TT...

JB/T 13910.3-2020: Piler - Part 3: Accuracy

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.
JB/T 13910.3-2020
JB
MACHINERY INDUSTRY STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 25.120.10
J 62
Piler - Part 3: Accuracy
ISSUED ON: APRIL 16, 2020
IMPLEMENTED ON: JANUARY 01, 2021
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Terms and definitions ... 4
3 Inspection requirements ... 4
4 Geometric accuracy ... 5
5 Working accuracy ... 6
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. This Part was proposed by China Machinery Industry Federation.
This Part shall be under the jurisdiction of National Technical Committee 220 on Forging Machinery of Standardization Administration of China (SAC/TC 220). Drafting organizations of this Part: Taian Hualu Metalforming Machine Tool Co., Ltd., Shenzhen AMAE Co. Ltd., Quality and Technical Supervision Standards and Coding Institute of Foshan City, Guangdong Province, Xiamen Ruideli Calibration Checking and Measuring Technology Co., Ltd.
Chief drafting staffs of this Part: Wang Hui, Chang Xin, Li Bo, Gong Rui, Liu Libo, Pang Yan.
This Part is released for the first time.
Piler - Part 3: Accuracy
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 and 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.

View full details