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JJF 1125-2004 English PDF

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US$549.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1125-2004: Calibration Specification for Gear Hob Tester
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1125-2004	549	Add to Cart	4 days	Calibration Specification for Gear Hob Tester	Valid

Similar standards

JJG 1114 JJF 1280 JJF 1126 JJG 1127 JJG 1128 JJG 1125

Basic data

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: 21,271
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Older Standard (superseded by this standard): JJG 65-1986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
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

---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 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)

1 Scope (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.

3 Overview

The hob inspector is a special instrument for checking the quality of the gear hob. The measuring principle is the actual measurement of the gear hob to be tested. The shape is compared to the standard motion of the instrument drive chain, and the difference is the actual deviation of the hob. instrument The standard motion is synthesized by three basic motions, namely the rotation of the main shaft, the axial and radial movement of the sensor. Three basics Different combinations of movements can obtain the various standard movements required to achieve precise parameters of the gear hob measuring. The structure of the hob inspection instrument is shown in Figure 1, and its working principle is shown in Figure 2.

4 Measurement characteristics

The following metrology characteristics of the Hob Checker can be calibrated. 4.1 500mm scale indication error 4.2 The indication error of the optical indexing head 4.3 Indication and recording system indication error 4.4 Sensor force measurement 4.5 Deviation of the edge of the knife edge from the tip axis when the tangential trailer is set to zero 4.6 Straightness of main trailer movement 4.7 Straightness of axial carriage movement 4.8 Straightness of radial carriage movement 4.9 Surface roughness and flatness of four ribbed work surfaces 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 4.11 The surface roughness of the sinusoidal cylinder and the parallelism of the busbar to the ribbed table 4.12 Parallelism of the base disc busbar and the ruler working surface and its surface roughness 4.13 Integrated circular beating of the base disc and the main shaft 4.14 Top and bottom radial runouts ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1125-2004_English be delivered?

Answer: Upon your order, we will start to translate JJF 1125-2004_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1125-2004_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1125-2004_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.