GB/T 2554-2008 English PDF

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GB/T 2554-2008: Mechanical dividing heads
Status: Valid

GB/T 2554: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2554-2008	189	Add to Cart	3 days	Mechanical dividing heads	Valid
GB/T 2554.1-1998	279	Add to Cart	3 days	Mechanical dividing heads Testing of accuracy	Obsolete
GB 2554-1984	239	Add to Cart	2 days	Mechanical dividing heads--Testing of the accuracy	Obsolete

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Basic data

Standard ID: GB/T 2554-2008 (GB/T2554-2008)
Description (Translated English): Mechanical dividing heads
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J52
Classification of International Standard: 25.060.20
Word Count Estimation: 8,845
Date of Issue: 2008-06-03
Date of Implementation: 2009-01-01
Older Standard (superseded by this standard): GB/T 2554.1-1998; GB/T 2554.2-1998
Quoted Standard: GB/T 1443-1996; GB/T 3837-2001; GB/T 5900.1-1997; GB/T 17421.1-1998; JB/T 2326-2005; JB/T 3207-2005; JB/T 5563-1991
Adopted Standard: ISO 5734-1986, MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.9 (Total No.122)
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 general purpose, machines with mechanical indexing head (hereinafter referred to as the dividing head) Classification and nomenclature, accuracy test, technical requirements, inspection rules, logo and packaging. This standard applies to dividing head manufacturing and testing.

GB/T 2554-2008: Mechanical dividing heads

---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.
Mechanical dividing heads ICS 25.060.20 J52 National Standards of People's Republic of China Replacing GB/T 2554.1 ~ 2554.2-1998 Mechanical dividing heads (ISO 5734. 1986, Acceptanceconditionsofmechanicaldividingheadsfor machinetools-Testingofaccuracy, MOD) Posted 2008-06-03 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 5734. 1986 "testing machine precision mechanical dividing heads Test Conditions" (in English). This standard and ISO 5734. 1986 with the following important differences. --- Unit of measurement using ISO 5734. 1986 in metric units; --- Increasing the classification and naming, technical requirements, inspection rules, signs and packaging. This standard replaces GB/T 2554.1-1998 "Mechanical dividing heads accuracy test" and GB/T 2554.2-1998 "Mechanical dividing heads Classification and technical conditions. " This standard and GB/T 2554.1-1998, GB/T 2554.2-1998 compared to the major differences are. --- The GB/T 2554.1 and GB/T 2554.2 integrated as a standard; --- Reconfirmed the validity of reference standards. The standard proposed by China Machinery Industry Federation. The standard metal cutting machine tools by the National Standardization Technical Committee (SAC/TC22) centralized. This standard was drafted. Yantai Universal Machine Tool Accessory Group Co., Ltd., Tsinghua Machinery Plant. The main drafters of this standard. when said Qing, beginning Fu-chun, Wang Guosheng, Wang Xinglin. This standard replaces the standards previously issued as follows. --- GB/T 2553-1973, GB/T 2553-1981; --- GB/T 2554-1973, GB/T 2554-1981, GB/T 2554-1984; --- GB/T 2554.1-1998; --- GB/T 2554.2-1998. Mechanical dividing heads

1 Scope

This standard specifies the general purpose machine with a mechanical dividing head (hereinafter referred to as dividing head) of classification and naming, precision inspection, technical requirements, Inspection rules, signs and packaging. This standard applies to dividing head of manufacturing and testing.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 1443-1996 and machine tool shank with clips from the cone (eqv ISO 296.1991) GB/T 3837-2001 7.24 taper shank tool manually (eqv ISO 297. 1988) GB/T 5900.1-1997 spindle noses and face plates - Sizes for interchangeability - Part 1. A type (eqv ISO 702-1. 1975) GB/T 17421.1-1998 Test code for machine tools - Part 1. under no-load or finishing conditions Geometric accuracy of machines (Eqv ISO 230-1.1996) JB/T 2326-2005 model designation of machine tool accessories JB/T 3207-2005 machine tool accessories packaging technology JB/T 5563-1991 Metal Cutting Machine conical surface coloring method test and evaluation

3 Classification and Nomenclature

Type 3.1 3.1.1 type dividing head into universal type and semi-universal type (see Figure 1). 3.1.2 dividing head model should be consistent with the provisions of JB/T 2326-2005 of. 3.2 Parameter Dividing head recommended parameters specified in Figure 1 and Table 1. NOTE. Missing semi-universal type differential indexing hanging round the connecting portion than the universal type. Figure 1 ......

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