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GB/T 21013-2007: Machine tools -- Mounting of plain grinding wheels by means of hub flanges
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21013-2007 | English | 259 |
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Machine tools -- Mounting of plain grinding wheels by means of hub flanges
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GB/T 21013-2007
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Basic data | Standard ID | GB/T 21013-2007 (GB/T21013-2007) | | Description (Translated English) | Machine tools -- Mounting of plain grinding wheels by means of hub flanges | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J55 | | Classification of International Standard | 25.080.50 | | Word Count Estimation | 10,181 | | Date of Issue | 2007-07-17 | | Date of Implementation | 2007-12-01 | | Adopted Standard | ISO 666-1996, MOD | | Regulation (derived from) | China National Standard Announcement 2007 No.7 (Total No.107) - National-Standard-Commission | | 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 provides a new level of design wheel with wheel tightening chuck basic dimensions, such as manufacturing and inspection requirements of the project. This standard does not apply to fasten with a diamond wheel cutting wheel and the metal substrate, CBN grinding wheels with wheel chuck. | GB/T 21013-2007: Machine tools -- Mounting of plain grinding wheels by means of hub flanges---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.
Maching tools. Mounting of plain grinding wheels by means of hub flanges
ICS 25.080.50
J55
National Standards of People's Republic of China
Machine fastening flat wheel with wheel chuck
(ISO 666.1996, MOD)
Posted 2007-07-17
2007-12-01 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 666.1996 "machine fastening flat wheel with wheel chuck" (in English).
This standard is based on ISO 666.1996 redrafted.
This standard and ISO 666. compared to 1996, the main technical content amended as follows.
--- Grinding wheel spindle chuck and bound forms made additional provisions;
--- Technical differences and the reasons given in Appendix B list.
For ease of use, this standard also made the following editorial changes.
--- The "this International Standard" be replaced by "this standard";
"." --- With a decimal point instead of a comma as the decimal point, "";
--- Remove the foreword and introduction of international standards;
--- Remove the ISO 666.1996 Appendix A of the content;
--- Increased our standard of Appendices A and B;
--- Lists the provisions of this standard and ISO 666 in Appendix A. List of Articles in 1996.
Appendix A of this standard and Appendix B is an informative annex.
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. Shanghai Institute grinder.
The main drafters of this standard. Huang Mingliang, Hu sister, Zhangjia Gui, security forces.
Machine fastening flat wheel with wheel chuck
1 Scope
This standard specifies the new design of the fastening flat wheels - basic dimensions of the wheel chuck, manufacturing and inspection requirements and other projects.
This standard does not apply to securing cutting wheels and diamond grinding wheel with a metal substrate, CBN grinding wheel with a grinding wheel chuck.
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 2485-1997 technical conditions of ordinary abrasive grinding wheel
GB/T 2492-2003 ordinary abrasive grinding wheel allow delivery of unbalance measurement
GB 2494 general abrasive safety rules
3 General requirements
3.1 for flat grinding wheel positioning and fastening the wheel chuck, under normal conditions of use there should be no slippage.
3.2 required to use the machine specification, after tightening the wheel chuck should be able to withstand the cutting force design requirements, and to keep their shape.
Composition 3.3 Wheel chuck is shown in Figure 1.
Figure 3.3.1 fixed chuck body of M. 1
Through the key, threaded or interference fit, as well as other equivalent method is similar to the fixed wheel chuck on the machine spindle.
Grinder products usually cone positioning, screwing method, the wheel chuck fastened on the machine spindle. To ensure the accuracy and transfer
Easy assembly and disassembly, which generally use 1.5 or tapered bore taper 1.10.
3.3.2 activity (or clamped) chuck body shown in Figure N. 1 of
3.4 Wheel chuck and grinding wheel clamping face of the grinding wheel overrun should be a groove, to prevent excessive pressure applied to the wheel, the wheel drive shaft groove
The depth should not be less than 0.5mm. After a period of time, the need for re-clamping flange surface machining for finishing the deformation, eliminate hair
While waiting. Wheel overrun groove also need to be reworked to maintain a minimum depth of 0.5mm.
3.5 on the specification of the machine must be correctly dressed wheel chuck process approach to ensure that their wheel drive trough the minimum depth 0.5mm and clamping
Flanges have sufficient rigidity.
3.6 To avoid interference with the head of the screw holes in the drive when the wheel dressing groove, cutting the total amount should not exceed 3mm (see 4.6.2).
3.7 grindstone fixed chuck and a movable wheel chuck body, should have the same outer diameter and the same clamping shoulder surface.
3.8 standard specifies the size of the front wheel chuck use (see Table 1).
3.9 To ensure that the wheel disc and wheel assembly using the security card, you should consider the following.
3.9.1 to consider when computing the size and wheel clamping chuck surface thickness the following parameters.
Maximum operating speed 3.9.1.1 wheel binder according to the relevant provisions of GB 2494;
3.9.1.2 power spindle motor (see 4.2);
The maximum allowable amount of unbalance 3.9.1.3 wheel according to GB/T 2492 the relevant provisions;
Allowable pressure (grinding pressure) is applied to the workpiece 3.9.1.4.
3.9.2 radial width R value of the maximum clamping shoulder to ensure sufficient (sufficient) contact surface, can maintain the minimum sufficient clamping force, and
Reduce stress caused by the abnormal wheel irregularities caused.
Radial width U 3.9.3 overrun wheel groove should be at least 4mm.
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