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GB/T 28252-2012 English PDF

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US$329.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 28252-2012: Hobs for pre-grinding gear
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28252-2012	329	Add to Cart	3 days	Hobs for pre-grinding gear	Valid

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Basic data

Standard ID: GB/T 28252-2012 (GB/T28252-2012)
Description (Translated English): Hobs for pre-grinding gear
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J41
Classification of International Standard: 25.100
Word Count Estimation: 14,145
Quoted Standard: GB/T 1357; GB/T 6132; GB/T 9943
Regulation (derived from): Announcement of Newly Approved National Standards No. 1 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the overall before grinding gear hobs basic types and dimensions, technical conditions, the basic requirements for marking and packaging. This standard applies to modulus 1mm ~ 10mm (according to GB/T 1357) hob.

GB/T 28252-2012: Hobs for pre-grinding gear

---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.
ICS25.100 J41 National Standards of People's Republic of China Before grinding Hob Issued on. 2012-07-01 2012-03-09 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard rule according to GB/T 1.1-2009 given draft. The standard proposed by China Machinery Industry Federation. This standard tool by the National Standardization Technical Committee (SAC/TC91) centralized. This standard was drafted. Tool Works Co., Ltd. Chongqing, Chengdu Tool Research Institute Limited. The main drafters of this standard. Shen Hong, Chen Shichang. Before grinding Hob

1 Scope

This standard specifies the basic types and dimensions, the overall technical condition before grinding Hob, logos and basic requirements for packaging. This standard applies to modulus 1mm ~ 10mm (according to GB/T 1357) hob.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 1357 general and heavy machinery cylindrical gear module GB/T 6132 cutters and cutter arbor swap size GB/T 9943 high-speed tool steel

3 type and size

3.1 Hob type and size specified in Figure 1 and Table 1. 3.2 Hob made before the zero angle, the first single, right-handed, the chip grooves are parallel to the axis of the straight groove. According to user requirements, the hob can be made left-handed. 3.3 Hob-axis table and diameter deviation determined by the manufacturer, its size as much as possible get bigger. Keyway dimensions and tolerances 3.4 Hob shall comply GB/T 6132's. 3.5 Calculation of the size of the hob should comply with the provisions of Appendix A, hob axial tooth size should be consistent with the provisions of Appendix B. 3.6 tag example. Modulus m = 2.5mm crests of the lobes of type Ⅱ L before grinding Hob marked. Before grinding Hob m2.5ⅡL GB/T 28252-2012 figure 1 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28252-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28252-2012_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 28252-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28252-2012_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.