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JB/T 13910.2-2020 English PDF (JBT13910.2-2020)

JB/T 13910.2-2020 English PDF (JBT13910.2-2020)

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JB/T 13910.2-2020: Piler - Part 2: Technical requirements

This part of JB/T 3910 specifies the technical requirements, test methods, inspection rules, rust prevention, packaging, transportation and storage of pilers. This Part applies to the piler on the uncoiling, leveling, shearing and cutting production line for sheet metal.
JB/T 13910.2-2020
JB
MACHINERY INDUSTRY STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 25.120.10
J 62
Piler - Part 2: Technical requirements
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 ... 4
1 Scope ... 5
2 Normative references ... 5
3 Technical requirements ... 6
3.1 Types and basic parameters ... 6
3.2 Structure and performance ... 6
3.3 Machining ... 7
3.4 Assembly ... 8
3.5 Electrical system ... 9
3.6 Hydraulic system ... 9
3.7 Lubrication system ... 9
3.8 Safety and protection ... 9
3.9 Accuracy ... 10
3.10 Plate ... 10
3.11 Noise ... 10
3.12 Appearance ... 10
4 Test methods ... 11
4.1 Basic parameter inspection ... 11
4.2 Basic performance inspection ... 11
4.3 Assembly inspection ... 11
4.4 Electrical system inspection ... 11
4.5 Hydraulic system inspection ... 11
4.6 Idle running test ... 12
4.7 Safety and protection inspection ... 12
4.8 Noise inspection ... 12
4.9 Load test ... 12
4.10 Accuracy inspection ... 13
4.11 Appearance inspection ... 13
4.12 Packaging inspection ... 13
5 Inspection rules ... 13
5.1 Inspection classification ... 13
5.2 Exit-factory inspection ... 13
5.3 Type inspection ... 14
6 Rust prevention, packaging, transportation and storage ... 14
6.1 Rust prevention ... 14
6.2 Packaging ... 14
6.3 Transportation ... 14
6.4 Storage ... 14
Piler - Part 2: Technical requirements
1 Scope
This part of JB/T 3910 specifies the technical requirements, test methods, inspection rules, rust prevention, packaging, transportation and storage of pilers. This Part applies to the piler on the uncoiling, leveling, shearing and cutting production line for sheet metal.
2 Normative references
The following 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 all amendments) applies to this document. GB/T 191, Packaging - Pictorial marking for handling of goods
GB 2893, Safety colours
GB/T 3168, Numerical control of machine - Symbols
GB/T 3766, Hydraulic fluid power - General rules and safety requirements for systems and their components
GB/T 5226.1, Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 6576, Machine tools - Lubrication systems
GB/T 7935, Hydraulic fluid power - General requirements for hydraulic components GB/T 9969, General principles for preparation of instructions for use of industrial products
GB/T 10089-2018, Accuracy of cylindrical worm and worm wheel
GB/T 10095.1-2008, Cylindrical gears - System of accuracy - Part 1: Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth GB/T 10095.2-2008, Cylindrical gears - System of accuracy - Part 2: Definitions and allowable values of deviations relevant to radial composite deviations and runout information
GB/T 13306, Plate
GB 17120, Metalforming machinery - Safety requirements
GB/T 23281, Metal forming machinery - Noise measurement method of sound pressure levels
JB/T 1829, Metalforming machinery - General specifications
JB/T 3240, Metal forming machine visualized symbols of operation instruction JB/T 8356, Machine tools - Specification for packing
JB/T 8609, Metal forming machinery welded parts - Technical specification JB/T 9954, Hydraulic system of forging machinery cleanness
JB/T 11196, Steel-body copper-bushing compound parts for metalforming
machinery - Specification
JB/T 13910.1-2020, Piler - Part 1: Types and basic parameter
JB/T 13910.3-2020, Piler - Part 3: Accuracy
3 Technical requirements
3.1 Types and basic parameters
The types and basic parameters of the piler shall comply with the provisions of JB/T 13910.1-2020.
3.2 Structure and performance
3.2.1 The moulding and layout of the piler shall consider the requirements of process aesthetics and ergonomics, and be convenient for use, maintenance, assembly, disassembly, hoisting and transportation.
3.2.2 The maximum width of the piler for passing materials shall be greater than the width of the processed sheet, and the difference shall not be less than 50 mm. 3.2.3 The operating force of the hand-wheel and handle of the piler shall not exceed 90 N.
3.2.4 The turning mechanism of the piler shall be light, flexible and reliable in locking. 3.2.5 The gears for mechanical transmission of the piler or the parts that are easily worn by dust shall be equipped with dust-proof devices.
3.2.6 The piler, when being delivered, shall be equipped with accessories for normal use of the machine, as well as the required special tools. The supply of special the protection device shall be able to ensure that the important parts, such as the support and hydraulic cylinder of the piler, are not damaged.
3.8.5 The parts of the piler, which are easily loosened, shall have reliable anti-loosening devices.
3.8.6 The movable exposed parts shall be painted with safety colors according to the requirements of GB 2893.
3.8.7 The product instruction manual shall include safety precautions and relevant warnings, and explain the measures to ensure personal safety other than the equipment, and its content shall comply with the provisions of GB 17120.
3.9 Accuracy
The accuracy of the piler shall comply with the provisions of JB/T 13910.3-2020. 3.10 Plate
The piler shall have product nameplates and various plates or signs such as lubrication and safety. The type, size, material and technical requirements of the plate shall comply with the provisions of GB/T 13306. The visual symbols on the plate shall comply with the provisions of JB/T 3240 and GB/T 3168. The plate shall be properly fixed on the obvious part of the piler and shall be kept clear for a long time.
3.11 Noise
The sound of the piler during idle running shall be normal, and the noise sound pressure level during continuous idle running shall not exceed 85 dB(A).
3.12 Appearance
3.12.1 The outer surface of the piler shall not have convex, concave or rough-uneven defects that are not specified in the drawing. The cover plate and housing shall be flat. 3.12.2 The external pipelines of electrical circuits, lubrication systems and hydraulic systems shall be neatly arranged and firm, and shall not rub against the parts that move relative to them.
3.12.3 The non-machined surfaces of mechanical parts and accessories shall be protected by painting or other prescribed methods. Adjusting bolts and nuts that need to be frequently turned, and non-metallic pipes shall not be painted. The painting requirements of the piler shall comply with the regulations of JB/T 1829. 3.12.4 The main exposed machined surfaces shall not have defects such as bumps, scratches and rust.
3.12.5 The quality of exposed welds shall meet the requirements of JB/T 8609. 3.12.6 The head of the countersunk head screw shall not protrude from the surface of the part, and there shall be no obvious eccentricity between it and the countersunk hole; the positioning pin shall slightly protrude from the surface of the part; the tail end of the bolt shall slightly protrude beyond the nut; the exposed shaft end shall protrude from the end face of its containing member, and the protruding value shall be approximately its chamfering value.
4 Test methods
4.1 Basic parameter inspection
According to the requirements of 3.1 or the provisions of product design documents, check the parameters of the piler. Parameters related to working capacity shall be confirmed by load test.
4.2 Basic performance inspection
Before or during the idle running test of the piler, the following items shall be subject to basic performance inspection:
a) All kinds of devices shall be safe, accurate and reliable, and shall meet the requirements of 3.2;
b) Carry out the operation test of various movements of the piler to check the flexibility and accuracy of its movements;
c) Check the accuracy of various adjustable or actuating devices;
d) Check the flexibility of various attachments;
e) Check the functional correctness of the electrical system;
f) Check the functional correctness of the hydraulic system;
g) Check the functional correctness of the lubrication system.
4.3 Assembly inspection
According to the provisions of 3.4, inspect the assembly quality of the piler. 4.4 Electrical system inspection
The inspection shall be carried out according to the requirements of GB/T 5226.1. 4.5 Hydraulic system inspection
Check the hydraulic system according to the requirements of 3.6.
5.3 Type inspection
5.3.1 For new products (including products with major changes in structure, material and process of main parts), type inspection shall be carried out.
5.3.2 The comprehensive test and inspection shall be carried out in accordance with the provisions of this Part for the type inspection.
6 Rust prevention, packaging, transportation and storage
6.1 Rust prevention
The rust prevention of the parts, components, accessories and spare parts, as well as exposed processing surfaces, of the piler, shall comply with the provisions of the technical documents.
6.2 Packaging
6.2.1 The packaging of the piler shall comply with the provisions of JB/T 8356. 6.2.2 On the premise of ensuring product quality and transportation safety, simple packaging is allowed according to the agreement between the supplier and the buyer. 6.2.3 The packaging, storage and transportation pictorial signs shall meet the requirements of GB/T 191.
6.2.4 There shall be requirements for transportation and storage conditions. 6.2.5 The accompanying technical documents of the piler shall include:
-- Product instruction manual: including requirements and instructions on installation, transportation, storage, use, maintenance and safety, which shall comply with the provisions of GB/T 9969;
-- Product inspection certificate;
-- Packing list.
6.3 Transportation
During transportation, the piler shall be prevented from violent collision and direct wetness from rain and snow.
6.4 Storage
During storage, the piler shall be prevented from corrosion and interference by strong magnetic field and electric field, and shall not be mixed with acids, alkalis and other substances and organic solvents.

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