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JJF 1125-2004

JJF 1125-2004_English: PDF (JJF1125-2004)
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JJF 1125-2004English499 Add to Cart 4 days Calibration Specification for Gear Hob Tester JJF 1125-2004 Valid JJF 1125-2004

Standard ID JJF 1125-2004 (JJF1125-2004)
Description (Translated English) Calibration Specification for Gear Hob Tester
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Classification of International Standard 17.040
Word Count Estimation 21,285
Date of Issue 2004-11-09
Date of Implementation 2005-05-09
Older Standard (superseded by this standard) JJG 65-1986
Quoted Standard JJF 1001-1998; JB/T 10024-1999; JJF 1094-2002; JJF 1059-1999
Drafting Organization Harbin First Tool Co.
Administrative Organization National Engineering geometric parameters measured Technical Committee
Regulation (derived from) 2004 technical regulations issued by national metrology (industrial measurement 2005 Volume 15, Issue 1)
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to the hob to check the calibration.

JJF 1125-2004
Calibration Specification for Gear Hob Tester
National Metrology Technical Specification of the People's Republic
Hob checker calibration specification
Released on November 11,.2004
2005-05-09 implementation
The General Administration of Quality Supervision, Inspection and Quarantine issued
Hob checker calibration specification
Instead of JJG65-1986
This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on November 9,.2004, and
It will take effect on May 9,.2005.
Focal Point. National Geometric Quantity Engineering Measurement Technology Committee
Drafting unit. Harbin First Tools Co., Ltd.
Heilongjiang Province Metrology Verification Test Institute
Harbin Metrology Testing and Testing Institute
Jilin Institute of Metrology
This specification is interpreted by the focal point
Drafters of this specification.
Sun Xingfan (Harbin First Tools Co., Ltd.)
Li Yuying (Harbin First Tools Co., Ltd.)
Wang Li (Harbin Metrology Testing Institute)
Ma Wei (Heilongjiang Metrological Testing and Testing Institute)
Ma Zhonghuan (Jilin Institute of Metrology)
table of Contents
1 range (1)
2 Citations (1)
3 Overview (1)
4 Measurement characteristics (1)
4.1 500mm scale indication error (1)
4.2 Indication error of optical indexing head (1)
4.3 indication and recording system indication error (1)
4.4 Sensor Force (1)
4.5 Deviation of the edge of the knife edge from the tip axis when the tangential trailer is set to zero (1)
4.6 Straightness of main trailer movement (1)
4.7 Straightness of axial carriage movement (1)
4.8 Straightness of radial carriage movement (1)
4.9 Surface roughness and flatness of four ribbed working faces (1)
4.10 Parallelism between the working faces of the two ribbed platforms on the main trailer and the direction of movement of the main carriage (1)
4.11 Surface roughness of the sinusoidal cylinder and the flatness of the busbar to the ribbed table (1)
4.12 Parallelism of the base disc busbar and the ruler working surface and its surface roughness (1)
4.13 Integrated circular runout of the base disc and the main shaft (1)
4.14 Top and bottom radial runouts (1)
4.15 Parallelism between the ruler face and the main trailer movement (3)
4.16 Parallelism of the meshing wire guide and the axial carriage guide (3)
4.17 Verticality of the radial carriage guide to the tip axis (3)
Parallelism of 4.18 600mm sinusoidal guide groove and main carriage movement (3)
4.19 base disc diameter (3)
4.20 Compliance between base disc and ruler motion (3)
4.21 Parallelism of the axial carriage guide rail to the tip axis (3)
4.22 600mm sinusoidal center distance deviation (3)
4.23 Center deviation of 250mm sinusoidal scale (3)
4.24 Center distance deviation of.200mm sinusoid (3)
4.25 repeatability (3)
4.26 Spiral measurement indication error (3)
4.27 Tooth shape measurement indication error (3)
5 Calibration conditions (3)
5.1 Environmental conditions (3)
5.2 Standards and other equipment (3)
6 Calibration items and calibration methods (4)
6.1 Calibration Project (4)
6.2 Calibration Method (4)
7 Calibration result expression (10)
8 re-study interval (10)
Appendix A Measurement Characteristics of Hob Inspection Instrument (11)
Appendix B Technical requirements for proofreading and standard taper axes (13)
Appendix C Evaluation of Uncertainty in Calibration Results of Helical Measurement Indication Error of Hob Inspection Apparatus (14)
Hob checker calibration specification
1 Scope
This specification applies to the calibration of the hob inspection instrument.
2 Citations
This specification refers to the following documents.
JJF 1001-1998 General measurement terms and definitions
JB/T 10024-1999 Vertical hob measuring instrument
JJF 1094-2002 Measuring instrument characteristic evaluation
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.