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JJF 1084-2002: Calibration Specification for Frame Levels and Shaft Levels
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Calibration Specification for Frame Levels and Shaft Levels
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JJF 1084-2002
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Basic data | Standard ID | JJF 1084-2002 (JJF1084-2002) | | Description (Translated English) | Calibration Specification for Frame Levels and Shaft Levels | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A52 | | Word Count Estimation | 19,137 | | Date of Issue | 2002-05-24 | | Date of Implementation | 2002-08-24 | | Older Standard (superseded by this standard) | JJG 38-1984 | | Quoted Standard | GB/T 16455-1996; JJF 1001-1998; JJF 1059-1999 | | Issuing agency(ies) | State Administration of Quality Supervision, Inspection and Quarantine | | Summary | This standard applies to indexing values ??(0. 02 to 0. 10) square levels and bar-type level meter calibration mm/m of. | JJF 1084-2002: Calibration Specification for Frame Levels and Shaft Levels---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for Frame Levels and Shaft Levels
National Metrology Technical Specification of the People's Republic
Frame level and strip level
Calibration specification
Released on.2002-05-24
2002-08-24 implementation
The General Administration of Quality Supervision, Inspection and Quarantine issued
Replace JJG38-1984
This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on May 24,.2002, and
It will take effect on August 24,.2002.
Focal Point. National Geometric Angle Measurement Technical Committee
Drafting unit. Hubei Institute of Metrology and Testing Technology
This specification is interpreted by the focal point
The main drafters of this specification.
Wang Fengyan (Hubei Institute of Metrology and Testing Technology)
Qi Zhijing (Hubei Institute of Metrology and Testing Technology)
Zheng Hua (Hubei Institute of Metrology and Testing Technology)
Participate in the drafters.
Huang Runhua (Hubei Institute of Metrology and Testing Technology)
Yang Li (Hubei Institute of Metrology and Testing Technology)
table of Contents
1 Scope (1)
2 Citations (1)
3 Overview (1)
4 Measurement characteristics (2)
4.1 Flatness of working face (2)
4.2 Skew error (2)
4.3 Zero error (2)
4.4 division value error (2)
5 Calibration conditions (3)
5.1 Environmental conditions (3)
5.2 Measurement standards and other equipment (3)
6 Calibration items and calibration methods (3)
6.1 Calibration Project (3)
6.2 Calibration Method (3)
7 Expression of calibration results (6)
8 re-study interval (6)
Appendix A Level Scale Calculation Example (7)
Appendix B Level Meter Zero Calibrator Calibration Method (10)
Appendix C Calibration Certificate Format and Content (13)
Box level and strip level calibration specifications
1 Scope
This specification applies to the calibration of frame level and strip level with a graduation value of (0.02~0.10) mm/m.
2 Citations
This specification refers to the following documents.
GB/T 16455-1996 Strip and frame level
JJF 1001-1998 General measurement terms and definitions
JJF 1059-1999 Measurement Uncertainty Evaluation and Representation
Use of this specification should be done with the current valid version of the above cited documents.
3 Overview
The frame type and strip level are based on the principle of liquid level, and the horizontal displacement is directly displayed by the level bubble, and the measurement is relative to
A universal angle measuring instrument with a slight tilt angle for horizontal and vertical positions; it can also be used to measure various machine tool guides
Straightness, flatness and parallelism, correcting the level of installation and vertical position of the equipment.
The outline structure of the frame level and the strip level is shown in Figure 1 and Figure 2.
figure 1
figure 2
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