MT/T 187.2-1988 English PDFUS$119.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email. MT/T 187.2-1988: (Scraper conveyor type bolt fasteners. U)
Basic dataStandard ID: MT/T 187.2-1988 (MT/T187.2-1988)Description (Translated English): (Scraper conveyor type bolt fasteners. U) Sector / Industry: Coal Industry Standard (Recommended) Classification of Chinese Standard: J13 Word Count Estimation: 2,216 Date of Issue: 4/13/1988 Date of Implementation: 8/1/1988 MT/T 1:---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.(Scraper conveyor type bolt fasteners.U) Ministry of Coal Industry Standards MT/T 187.2-88 Scraper conveyor fasteners U-bolt 1988-04-13 Approved 1988-08-01 Approved by the Ministry of Coal Industry of the People's Republic of China Contents1 Scope of application 1 2 Normative references 1 3 Product Category 1 4 Technical requirements 2 Scraper conveyor fasteners U-bolt1 ApplicationThis standard applies to U-bolts (hereinafter referred to as bolts) used in single-chain scraper conveyors and single-chain scraper transfer machines in coal mines.2 Reference standardsMT 187.1 Scraper conveyor fastener bolt technical specifications3 Product Categories3.1 There are two specifications of M20 and M24. 3.2 Type and size are shown in the figure below and Table 1. Table 1 mm d L l H H0 h h1 h2 BR Each steel bolt the weight of kg≈ M20 154 110 ± 0.5 94 35 42 0-1 20 30 52 10 1.09 M24 172 130 ± 0.5 100 40 42 0-1 20 32 52 10 2.10 3.3 Marking example. Coarse-threaded common thread, large diameter d is 20mm, rod length H is 94mm, U-shaped bolt with mechanical performance class 8.8. Bolt M20 × 94-8.8MT 187.2-88 3.4 Marking description.4 Technical requirements4.1 The mechanical properties of the bolts are grade 8.8. 4.2 The technical conditions of bolts are in accordance with the provisions of MT 187.1. Additional information. This standard was proposed by the Technology Development Department of the Ministry of Coal Industry of the People's Republic of China. This standard is under the jurisdiction of the Taiyuan Branch of the Coal Research Institute. This standard was drafted by Harbin Coal Mine Machinery Research Institute and Huainan Hongqi Mining Machinery Factory. The main drafters of this standard are Cong Peijian, Zhang Meiguang, and Wang Changlin. This standard entrusts Taiyuan Branch of Coal Science Research Institute with interpretation. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of MT/T 187.2-1988_English be delivered?Answer: Upon your order, we will start to translate MT/T 187.2-1988_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 2 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of MT/T 187.2-1988_English with my colleagues?Answer: Yes. The purchased PDF of MT/T 187.2-1988_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+ countriesQuestion 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. |
