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JJF 1123-2004 English PDF

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US$339.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1123-2004: Calibration Specification for Base circle pitch comparator
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1123-2004	339	Add to Cart	3 days	Calibration Specification for Base circle pitch comparator	Valid

Similar standards

JJG 1114 JJF 1280 JJF 1126 JJG 1127 JJG 1128 JJG 1123

Basic data

Standard ID: JJF 1123-2004 (JJF1123-2004)
Description (Translated English): Calibration Specification for Base circle pitch comparator
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A52
Classification of International Standard: 17.040
Word Count Estimation: 13,150
Date of Issue: 2004-06-04
Date of Implementation: 2004-12-01
Older Standard (superseded by this standard): JJG 78-1982
Quoted Standard: JJG 1001-1998; JJG 1059-1999; GB/Z 18620.1-2002
Issuing agency(ies): State Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to indexing is 1��m, modulus of 2mm ~ 20mm of base pitch comparator calibration.

JJF 1123-2004: Calibration Specification for Base circle pitch comparator

---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 Base circle pitch comparator National Metrology Technical Specification of the People's Republic Base circular pitch comparator calibration specification Released on June.2004 Implementation of.2004-12-01 The General Administration of Quality Supervision, Inspection and Quarantine issued Base circular pitch comparator calibration specification Arator Replace JJG78-1982 This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on June 4,.2004, and Implemented on December 1,.2004. Focal Point. National Geometric Length Measurement Technical Committee Drafting unit. Dongfeng Motor Corporation Metrology Institute This specification is interpreted by the focal point Drafters of this specification. Zheng Xu (Dongfeng Motor Corporation Metrology Institute)

1 Scope (1) 2 Citations (1) 3 Overview (1) 4 Measurement characteristics (2) 4.1 Front and rear proofing plane flatness (2) 4.2 Parallelism of front and rear proofing block working faces (2) 4.3 Research on the front and back proofing block working faces (2) 4.4 Coincidence of front and back proofing block working faces (2) 4.5 indicator table (2) 4.6 Repeatability (2) 4.7 indication error (2) 5 Calibration conditions (2) 5.1 Environmental conditions (2) 5.2 Calibration items and standards (2) 6 Calibration items and calibration methods (2) 6.1 Front and rear proofing plane flatness (3) 6.2 Parallelism of front and rear proofing block working faces (3) 6.3 Research on the front and back proofing block working faces (3) 6.4 Coincidence of front and back proofing block working faces (4) 6.5 indicator table (4) 6.6 Repeatability (4) 6.7 indication error (4) 7 Expression of calibration results (4) 8 re-study interval (4) Appendix A Contents of the Calibration Certificate (5) Appendix B Evaluation of Uncertainty in Measurement Error of Base Tooth Pitch Comparator (6) Base circular pitch comparator calibration specification

1 Scope

This specification is applicable to the calibration of a base pitch pitch comparator with a divisional value of 1 μm and a modulus of 2 mm to 20 mm.

2 Citations

The provisions contained in the following documents constitute provisions of this specification by reference in this specification. Publication of this specification The version shown is valid. All standards, specifications or procedures will be revised and all parties using this specification should Use the possibility of the latest version of the following literature. JJG1001-1998 General Measurement Terms and Definitions JJG1059-1999 Measurement uncertainty evaluation and representation GB/Z 18620.1-2002 Specification for the inspection of cylindrical gears - Part 1

3 Overview

The base circular pitch comparator is divided into two types, a touch blade type and a tangential type, according to the contact form of the contact claw and the tooth surface contact. For measuring the deviation of the base circle pitch of the external meshing spur gear and helical gear. When measuring the pitch of the base, the pitch of the base is determined by the basis of the gauge block and the proofing fixture. The comparator measures the claws to adjust so that the indicator is zero; then the positioning claws and the fixed claws of the base pitch controller Cross-pressure on the tooth surface to be measured, the movable claw is in contact with the other tooth surface, and the slightly oscillating base circular pitch comparator, on the indicator sheet The indication value of the turning point is the deviation of the pitch of the measured gear base. The shape of a typical base-tooth pitch comparator is shown in Figure 1 and Figure 2. Figure 1 touch blade type Figure 2 Tangential ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1123-2004_English be delivered?

Answer: Upon your order, we will start to translate JJF 1123-2004_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1123-2004_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1123-2004_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.