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JJF 1371-2012 English PDF

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Q: Should I purchase the latest version JJF 1371-2012?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1371-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1371-2012: Calibration Specification for Vibrometer(Acceleration)of Rolling Bearings
Status: Valid

JJF 1371: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1371-2012	439	Add to Cart	4 days	Calibration Specification for Vibrometer(Acceleration)of Rolling Bearings	Valid
JJF 1371-1995	199	Add to Cart	2 days	Operating technical norm of primary standard fo absorbed dose in graphite for 60Co gamma rays with ionization chamber method	Obsolete

Similar standards

GB/T 3222.1 JJG 188 JJF 1396 JJF 1373 JJF 1374 JJF 1372

Basic data

Standard ID: JJF 1371-2012 (JJF1371-2012)
Description (Translated English): Calibration Specification for Vibrometer(Acceleration)of Rolling Bearings
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A58
Word Count Estimation: 19,199
Quoted Standard: JJG 233-2008; JJG 676-2000; JJF 1185-2007; GB/T 24610.1-2009; JB/T 5314-2002; JB/T 7047-2006
Regulation (derived from): AQSIQ Announcement No. 206 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to the acceleration-type rolling vibration measuring instrument calibration.

JJF 1371-2012: Calibration Specification for Vibrometer(Acceleration)of Rolling Bearings

---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 Vibrometer (Acceleration) of Rolling Bearings People's Republic of China National Metrology Technical Specifications Rolling acceleration type vibration measuring instrument calibration specification CalibrationSpecificationforVibrometer (Acceleration) Issued on. 2012-12-12 2013-03-12 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Rolling type acceleration Vibration measuring instrument calibration specification Vibrometer (Acceleration) ofRolingBearing Focal point. the National Technical Committee of shock and vibration measurement speed Main drafting unit. Hubei Provincial Institute of Measurement and Testing Ningbo Institute of Measurement and Testing Participated in the drafting unit. Ningbo Rong Yi Electric Co., Ltd. Haifei Race Bearing Co., Ltd. Analysis and Testing Center, Zhejiang University This specification entrust national shock and vibration speed measurement technology committee responsible for the interpretation The main drafters of this specification. Tomorrow (Hubei Institute of Measurement and Testing) Lee Chang-standard (Ningbo Institute of Measurement and Testing) Drafters participate. F Wang Jian (Ningbo Rong Yi Electric Co., Ltd.) Zhao Lian spring (Haifei Race Bearing Co., Ltd.) Chen Feng (Analysis and Testing Center, Zhejiang University) Chen Yanming (Hubei Institute of Measurement and Testing)

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 Terms (1) 3.1 Bearing Vibration (1) 3.2 bearing vibration (acceleration) amplitude (1) 3.3 Vibration calibration by comparison to (1) 3.4 vibration Z value (1) 4 Overview (1) 5 Metrological characteristics (2) 5.1 bearing mandrel (selected) runout (2) 5.2 axial thrust is the contacts of pressure (2) 5.3 rotary spindle speed (2) 5.4 Metrological characteristics of vibration measurement system (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 Calibration instruments (2) 7 calibration items and calibration methods (3) 7.1 calibration items (3) 7.2 Calibration method (3) 8 calibration results expression (7) 9 Complex calibration interval (7) Appendix A bearing vibration measuring instrument acceleration reference value sensitivity calibration results Evaluation of Uncertainty Example (8) Appendix B accelerometer calibration sleeve Fig. (11) Appendix C calibration certificate page format (12)

Introduction

JJF 1071 "National Calibration Specifications writing rules", JJF 1001 "common measurement terms and definitions" JJF 1059 "Evaluation and Expression of Uncertainty in Measurement" together constitute the support of the calibration norm-setting work on the basis of series specification. The calibration specifications for the first time to develop. Rolling acceleration type vibration measuring instrument calibration specification

1 Scope

This standard applies to the acceleration-type rolling bearing vibration measuring instrument calibration. 2. References This specification refers to the following documents. JJG233-2008 piezoelectric accelerometer JJG676-2000 work vibrometer JJF 1185-2007 speed-type rolling bearing vibration measuring instrument calibration specification GB/T 24610.1-2009 Rolling Measuring methods for vibration - Part 1. Basic JB/T 5314-2002 Rolling vibration (acceleration) measurement methods JB/T 7047-2006 Rolling Deep groove ball rolling bearing vibration (acceleration) technical conditions For dated references, only the dated edition applies to this specification; undated reference documents Member, the latest edition (including any amendments) applies to this specification.

3 Terms

3.1 Bearing Vibration bearingvibration Bearing during rotation, in addition to some inherent, by the function of the required motion between the bearing parts Other Everything has a cycle characteristic movement. Bearing vibration measured in this specification refers to. the bearing inner ring against the end face of the spindle shaft shoulder, and with a constant rotation Speed rotation, the outer ring does not rotate and bear certain axial and radial loads, its cross-section of the outer ring outer cylindrical roller track center Intersecting radial vibration at the bearing outer ring. 3.2 bearing vibration (acceleration) amplitude accelerationofbearingvibration With the rotation of the spindle vibration is generated when measuring the bearing is mounted on a mandrel bearing vibration measuring instrument, is bearing Bearing vibration. With the acceleration sensor acceleration values measured at the bearing outer ring is bearing vibration (acceleration) Amplitude. 3.3 Vibration calibration by comparison vibrationcalibrationbycomparison It will be corrected accelerometer rigidly connected to the reference accelerometer-back; this is applied to the same vibration excitation in the same A measuring point at the same time get the measured value of each measuring system, find the measurement error is the result of the comparison of the calibration. 3.4 vibration Z value amplitudeZofvibration Bearing vibration acceleration amplitude of the bearing vibration measuring instrument electrical box is displayed with Z (dB) expressed its acceleration and vibration Degree of amplitude (m/s2) has a definite conversion relationship. Note. the calculation equation (2) below.

4 Overview

Acceleration bearing vibration measuring instrument is measuring the rolling bearing vibration acceleration values of special detection equipment, the acceleration ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1371-2012_English be delivered?

Answer: Upon your order, we will start to translate JJF 1371-2012_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 1371-2012_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1371-2012_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.

Question 5: Should I purchase the latest version JJF 1371-2012?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1371-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.