HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (26 Oct 2025)

JB/T 2858.4-2019 English PDF

US$559.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 2858.4-2019: Thread grinding machines -- Part 4: Machine tools with a movable wheelhead -- Testing of the accuracy
Status: Valid

JB/T 2858.4: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 2858.4-2019English559 Add to Cart 5 days [Need to translate] Thread grinding machines -- Part 4: Machine tools with a movable wheelhead -- Testing of the accuracy Valid JB/T 2858.4-2019
JB/T 2858.4-1999English199 Add to Cart 2 days [Need to translate] Thread grinding machine Technical conditions Obsolete JB/T 2858.4-1999

PDF similar to JB/T 2858.4-2019


Standard similar to JB/T 2858.4-2019

GB/T 38193   JB/T 12396   JB/T 8490   JB/T 2858.3   JB/T 2858.5   JB/T 2858.2   

Basic data

Standard ID JB/T 2858.4-2019 (JB/T2858.4-2019)
Description (Translated English) Thread grinding machines -- Part 4: Machine tools with a movable wheelhead -- Testing of the accuracy
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J56
Classification of International Standard 250.080.99
Word Count Estimation 24,244
Date of Issue 2019-05-02
Date of Implementation 2020-01-01
Quoted Standard GB/T 17421.1-1998; GB/T 17421.2-2016; GB/T 17587.3-2017; GB/T 19660-2005; JB/T 2886-2008
Regulation (derived from) Natural Resources Department Announcement No. 7 of 2019
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the geometric accuracy, working accuracy, axis positioning accuracy and repeat positioning accuracy inspection methods and corresponding tolerances of the mobile thread grinder with the wheel head. This part is applicable to mobile ordinary precision thread grinders and lead screw grinders (hereinafter referred to as machine tools) with grinding wheel holders with a maximum workpiece diameter of 125mm��500mm and a maximum workpiece length of 3000mm��10000mm.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JB/T 2858.4-2019_English be delivered?

Answer: Upon your order, we will start to translate JB/T 2858.4-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JB/T 2858.4-2019_English with my colleagues?

Answer: Yes. The purchased PDF of JB/T 2858.4-2019_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 [email protected]. 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 JB/T 2858.4-2019?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 2858.4-2019 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.

Refund Policy     Privacy Policy     Terms of Service     Shipping Policy     Contact Information