Detail of JB/T 1647.2-2012

Introduction of JB/T 1647.2-2012

1 Scope This part of JB/T 1647 specifies the technical requirements, test methods, inspection rules, packaging, marking, and transportation of straight side mechanical power press. This part is applicable to straight-side single, two and four-point mechanical power presses, and also to straight-side single, two and four-point clipping presses (hereinafter referred to as presses). This part is not applicable to hot die forging presses, straight side high-speed presses and other special presses. 2 Normative References The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated reference, the latest edition of the referenced document (including any amendments) applies. GB 150 Stationary pressure vessels GB/T 191 Packaging — Pictorial markings for handling of goods GB/T 3766 Hydraulic fluid power — General rules and safety requirements for systems and their components GB 5226.1 Electrical safety of machinery — Electrical equipment of machines — Part 1: General requirements GB/T 6576 Machine tools — Lubrication systems GB/T 7932 Pneumatic fluid power — General rules and safety requirements for systems and their components GB/T 7935 Hydraulic fluid power — General requirements for hydraulic components GB/T 8541 Terminology of forging and stamping GB/T 10924 Straight sided single or two-point mechanical power presses — Testing of the accuracy GB/T 13306 Plates GB 17120 Metalforming machinery — Safety requirements GB/T 23281 Metal forming machinery — Noise measurement method of sound pressure levels JB/T 1647.1 Straight-sided mechanical power press — Part 1: Types and basic parameters JB/T 1829-1997 Metalforming machinery — General specifications JB/T 3228 Straight-side press — Layout and size of pin holes and slots for clamping die JB/T 3240 Metal forming machine — Visualized symbols of operation instruction JB 3350 Mechanical press — Technical requirements of safety JB/T 3848 Straight-side transfer press — Testing of the accuracy JB/T 5200 Straight-sided four-point mechanical power press — Testing of the accuracy JB/T 8356 Packaging of machine tool — Specifications JB/T 9954 Hydraulic system of forging machinery — Cleanness JB/T 9965 Metalforming machinery — Method of the type designation JB 9974 Straight side press — Noise limits JB/T 10783.2 Straight-side four point multi-link — Part 2: Testing of the accuracy 3 Terms and Definitions For the purposes of this document, the terms and definitions given in GB/T 8541 and the following apply. 3.1 slide flexibility deformation amount of the slide bottom surface when a uniformly distributed load equivalent to the nominal force is applied within 2/3 of the length and width direction of the slide bottom surface of the press

Contents of JB/T 1647.2-2012

Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Classification and designation 4.1 Types and parameters 4.2 Model designation 5 Requirements 5.1 Basic requirements 5.2 Performance requirements 5.3 Safety and environmental protection 5.4 Manufacturing requirements 5.5 Plates 5.6 Accessories, tools and matching parts 5.7 Appearance quality 6 Inspection rules and test methods 6.1 Inspection rules 6.2 Test methods 7 Packaging, marking, transportation and storage 7.1 Package 7.2 Marking and transportation 7.3 Storage 7.4 Accompanied technical documents Annex A (Normative) Stiffness measurement method A.1 Stiffness measurement of the whole press A.2 Measurement of slide flexibility and table flexibility of double-point and four-point presses Annex B (Normative) Test records B.1 Continuous stroke test B.2 Single stroke test B.3 Adjustment test for the die set height of slide B.4 Cushion stroke adjustment test