GB/T 31396.2-2015 English PDF

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GB/T 31396.2-2015: Machine tools -- Dimensions and geometric tests for self-centering chucks with two-piece jaws -- Part 2: Power-operated chucks with tongue and groove type jaws
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31396.2-2015	254	Add to Cart	3 days	Machine tools -- Dimensions and geometric tests for self-centering chucks with two-piece jaws -- Part 2: Power-operated chucks with tongue and groove type jaws	Valid

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GB/T 5900.1   GB/T 17587.3   JB/T 12396   GB/T 38759   GB/T 31396.3   GB/T 35094   

Basic data

Standard ID: GB/T 31396.2-2015 (GB/T31396.2-2015)
Description (Translated English): Machine tools -- Dimensions and geometric tests for self-centering chucks with two-piece jaws -- Part 2: Power-operated chucks with tongue and groove type jaws
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J52
Classification of International Standard: 25.060.20
Word Count Estimation: 13,130
Date of Issue: 2015-05-15
Date of Implementation: 2015-09-01
Quoted Standard: ISO 230-1-1996
Adopted Standard: ISO 3442-2-2005, IDT
Regulation (derived from): National Standard Announcement 2015 No. 15
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 separation claw (key, groove-fit) from interchangeability dimensions and tolerances of the centering precision test and the corresponding power chucks.

GB/T 31396.2-2015: Machine tools -- Dimensions and geometric tests for self-centering chucks with two-piece jaws -- Part 2: Power-operated chucks with tongue and groove type jaws

---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.
. Machine tools Dimensions and geometric tests for self-centring chucks with two-piece jaws Part 2. Power-operated chucks with tongue and groove type jaws ICS 25.060.20 J52 National Standards of People's Republic of China Machine separation pawl self-centering chuck size and Geometric tests Part 2. keys, with groove-type power chuck Part 2. Power-operatedchuckswithtongueandgroovetypejaws (ISO 3442-2.2005, IDT) Issued on. 2015-05-15 2015-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 31396 "separation claw machine self-centering chuck size and geometric accuracy test" is divided into three parts. --- Part 1. keys, with groove-type manual chuck; --- Part 2. keys, with groove-type power chuck; --- Part 3. with comb-type power chuck. This section GB/T Part of 231,396. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method identical with ISO 3442-2.2005 "separation claw machine self-centering chuck size and geometry Testing of accuracy Part 2. keys, with groove-type power chucks "(in English). Consistency correspondence between this part of international documents and normative references of our files are as follows. --- 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) For ease of use, this section made the following editorial changes. --- Remove the foreword international standards and references; --- Remove the test of geometric precision of the test error column; --- Use the decimal symbol "." Decimal symbol instead of "." This part is proposed by China Machinery Industry Federation. This part of the National Metal Cutting Machine Standardization Technical Committee (SAC/TC22) centralized. This section is drafted. Huhhot Zhonghuan (Group) Co., Ltd., Zhejiang Park card machine annex Limited. The main drafters of this section. Du Shu succeed, Zhang Guobin, Ren Jianguo, Lu Ning, ZHENG Jian-yong. Machine separation pawl self-centering chuck size and Geometric tests Part 2. keys, with groove-type power chuck

1 Scope

This section GB/T 31396 specifies the separation claw (keys, with groove type) self-centering power chuck interchangeability dimensions and geometric precision inspection Inspection and corresponding tolerances.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. ISO 230-1.1996 Test code for machine tools - Part 1. under no-load or finishing conditions Geometric accuracy of machines (Testcode formachinetools-Part 1. Geometricaccuracyofmachinesoperatingunderno-loadorfinishingcondi- tions)

3 General Description

3.1 units of measurement This part of all dimensions and tolerances in millimeters (mm). 3.2 Geometric tests This section only provides precision chuck rotation installation site inspection and a top jaw positioning accuracy test. NA other dynamic performance tests, Such as testing or clamping force balance test. These tests mainly in order to ensure consistent test the accuracy of the base jaws and chuck machining accuracy of the chuck after the beginning of the positioning, alignment, clamping Once operating, the adjustment does not affect the top jaw chuck machining accuracy.

4 accuracy class

This section only provides a precision. Power chuck, if necessary, should be provided special adjustable base jaw when instructions are not interchangeable with other base jaw and chuck should be identified.

5 interchangeability dimensions

Power chuck interchangeability dimensions shown in Figure 1 and Table 1. ......

Image     

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