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GB/T 39655.2-2020 English PDF

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US$244.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39655.2-2020: Shipbuilding - Ship screw propellers - Manufacturing tolerances - Part 2: Propellers of diameter between 0.8 m and 2.5 m inclusive
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39655.2-2020	244	Add to Cart	3 days	Shipbuilding - Ship screw propellers - Manufacturing tolerances - Part 2: Propellers of diameter between 0.8 m and 2.5 m inclusive	Valid

Similar standards

GB/T 7094 CB 1146.8 CB 1146.9 GB/T 37820.1 GB/T 21478 GB/T 39655.1

Basic data

Standard ID: GB/T 39655.2-2020 (GB/T39655.2-2020)
Description (Translated English): Shipbuilding - Ship screw propellers - Manufacturing tolerances - Part 2: Propellers of diameter between 0.8 m and 2.5 m inclusive
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U04
Classification of International Standard: 47.020.01
Word Count Estimation: 13,114
Date of Issue: 2020-12-14
Date of Implementation: 2021-07-01
Adopted Standard: ISO 484-1-2015, IDT
Regulation (derived from): National Standard Announcement No. 28 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the manufacturing tolerances of marine propellers with a diameter of 0.8 m to 2.5 m.

GB/T 39655.2-2020: Shipbuilding - Ship screw propellers - Manufacturing tolerances - Part 2: Propellers of diameter between 0.8 m and 2.5 m inclusive

---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.
(Shipbuilding, marine propellers, manufacturing tolerances, part 2: propellers with a diameter of 0:8m to 2:5m) ICS 47:020:01 U04 National Standards of People's Republic of China Manufacturing tolerances of ship propellers Part 2: Propellers with a diameter of 0:8m to 2:5m (ISO 484-2:2015, IDT) 2020-12-14 release 2021-07-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

GB/T 39655 "Tolerances for manufacturing ship propellers for shipbuilding" is divided into two parts: ---Part 1: Propellers with a diameter greater than 2:5m; ---Part 2: Propellers with a diameter of 0:8m to 2:5m: This part is Part 2 of GB/T 39655: This section was drafted in accordance with the rules given in GB/T 1:1-2009: The translation method used in this part is equivalent to ISO 484-2:2015 ``Shipbuilding Marine Propeller Manufacturing Tolerance Part 2: Diameter Propellers from 0:8m to 2:5m": The Chinese documents that have a consistent correspondence with the international documents cited in this section are as follows: ---GB/T 131-2006 Product Geometric Technical Specification (GPS) Representation of surface structure in technical product documents (ISO 1302: 2002, IDT): This part was proposed and managed by the National Ocean Shipping Standardization Technical Committee (SAC/TC12): Drafting organizations of this section: China State Shipbuilding Industry Research Institute, China Merchants Cruise Research Institute (Shanghai) Co:, Ltd:, Shanghai Overseas Takahashi Shipbuilding Co:, Ltd: The main drafters of this section: Zhu Jiashuai, Cheng Nan, Yao Rulin, Tian Zhengjun, Wang Gaoshuai, Bao Guangzheng: Manufacturing tolerances of ship propellers Part 2: Propellers with a diameter of 0:8m to 2:5m

1 Scope

This part of GB/T 39655 specifies the manufacturing tolerances for marine propellers with diameters ranging from 0:8m to 2:5m: Note: In some cases, it is allowed to make some adjustments to the deviation based on the judgment of the customer or the designer and the customer:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: GB/T 9239:1-2006 Mechanical vibration constant (rigid) rotor balance quality requirements Part 1: Specification and balance tolerance Inspection (ISO 1940-1:2003, IDT) ISO 1302 Geometrical Product Specification (GPS) The representation of surface structure in technical product documents (GeometricalProduct Specifications(GPS)-Indicationofsurfacetextureintechnicalproductdocumentation)

3 Scope of application

This section applies to integral, combined fixed pitch propellers and controllable pitch propellers:

4 Pitch measurement method

4:1 The principle of the measurement method is to measure the length PQ corresponding to the predetermined angle α along the helix of the radius r, and measure the points P and Q The height difference h relative to the reference surface (see Figure 1): The length of PQ can be measured by one of the methods described in 4:1:1, 4:1:2 or 4:1:3: Note: If necessary, other methods that meet the accuracy requirements can be used: ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39655.2-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39655.2-2020_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 GB/T 39655.2-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39655.2-2020_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.