ववषय म पक ड प म य प ब न य त रण प सम य जप प ववम ष टट ( आई एस प प रथम पक क षण )

Transcription

1 Please Contact at Telefax ट ल फ क स: in व य पकप पकच ल म मस द प र ख प र षण स ल Ref Date ट ईड 02/ ट स वचल म लपर व हक, स च ण प रण ल तथ अ तर ह इ जन ववषय सममतत, ट ईड 2 प) पकच वह इ ज न यच ग ववभ ग पकच षद पक इववपक प सभ सदस य प ख) स वल म पकच व हप, स ल ण प रण तथ अ तद ह इ ज ववषय सममनत, ट ईड 2, प सभ सदस य प ग) अन य सभ च ल ख व न प य मह दय/ मह दय, न म म खत प र ख स ह: प र ख स ख य TED 02 (12060) W ववषय म पक ड प म य प ब न य त रण प सम य जप प ववम ष टट ( आई एस प प रथम पक क षण ) प प य रपक त म प मस द प अव प प अपक सम मनतय यह बत त ह ए भ ज प य द अ तत यह म प ट र य म प प चपक म स व प त ह ज ए त इस पक अम प म आपक प व यवस य अथव प ब म य प इय आ सपत ह सम मनत प अष न तम नत थ : सम मनत य द प ई ह त ल दए गए प र चपक म म ख प रपक च म खत पक त पक अध हस त क ष प भ ज य द प ई सम मनत प र प त ह ह त ह: अथव सम मनत म प व भ ष स बध त र ट ह ई त रपक त प र ख प यथ वत अ नतम चपक दय ज य ग य द प ई सम मनत तप प प रप नत प ह ई त ववषय

2 सममनत प अघ यक ष प पक म स अथव र प इ पक आग प प य व ह प म ए ववषय सममनत प भ ज ज प ब द प र ख प अ नतम चपक द दय ज एग यह प र ख भ त य म प ब य प व बस इट पक भ रपक ब ध ह धन यव द भवद य ( आ आ मस ह ) स रपक च म खत व ज ञ न प ई एव प रम ख पक च वह इ ष ज यच ग ववभ ग

3 Please Contact at Telefax ट ल फ क स: in DRAFT IN WIDE CIRCULATION DOCUMENT DESPATCH ADVICE Ref Date TED 2/ T Automotive Prime movers, Transmission Systems and Internal Combustion Engine Sectional Committee, TED 2 1) All Members of Transport Engineering Division Council, TEDC 2) Automotive Prime Movers, Transmission Systems and Internal Combustion Engine Sectional Committee, TED 2 3) All Others Interested. Dear Sir/ Madam, Please find enclosed the following draft standard: Document No. TED 2 (12060) W Title Specification for adjusters for control cables for mopeds (First Revision of IS 11139) Kindly examine this draft standard and forward your views stating any difficulty which you are likely to experience in your business or profession, if this is finally adopted as National Standard. Last date for comments : Comments, if any, may please be made in the format given below and mailed to the undersigned at the above address. In case no comments are received or comments received are of editorial nature, you will kindly permit us to presume your approval for the above document as finalized. However, in case of comments of technical in nature are received then it may be finalized either in consultation with the Chairman, Sectional Committee or referred to the sectional committee for further necessary action if so desired by the Chairman, Sectional Committee. The document is also hosted on BIS website Thanking you, Encl: As above Yours faithfully, (R R Singh) Scientist E & Head Transport Engineering Department

4 FORMAT FOR SENDING COMMENTS ON BIS DOCUMENTS (Please use A4 size sheet of paper only and type within fields indicated. Comments on each clauses/sub-clauses/table/fig. etc be started on a fresh box. Information in Column 4 should include reasons for the comments and suggestions for modified wording of the clauses when the existing text is found not acceptable. Adherence to this format facilitates Secretariat s work) Doc. No.: TITLE: LAST DATE OF COMMENTS: NAME OF THE COMMENTATOR/ ORGANIZATION: Sl. No. Clause/ Subclause/ para/ table/ fig. No. commented Type of Comments (General/ Editorial/ Technical) Justification Proposed change

5 Doc: TED 2 (12060) W For Comments only Draft Indian Standard SPECIFICATION FOR ADJUSTERS FOR CONTROL CABLES FOR MOPEDS (First Revision of IS 11139) ICS Not to be reproduced without permission Last date for receipt of BIS or used as standard of comments is Automotive Prime Movers, Transmission System and Internal Combustion Engines Sectional Committee, TED 2 NATIONAL FOREWORD This draft Indian Standard (First Revision) shall be adopted by the Bureau of Indian Standards on the recommendation of the Automotive Prime Movers, Transmission System and Internal Combustion Engines Sectional Committee and approval of the Transport Engineering Division Council. This Standard was first published in This first revision of the standard is being undertaken to update the standard and to incorporate latest technological advancement/ development that has taken place in various fields. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated expressing the result of a test or analysis, shall be rounded off in accordance with IS 2 : 1960 Rules for rounding off numerical values (revised). The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

6 Draft Indian Standard SPECIFICATION FOR ADJUSTERS FOR CONTROL CABLES FOR MOPEDS (First Revision of IS 11139) 1. Scope - Covers the shape, dimensions and other requirements for adjusters for control cables for mopeds. The cable assembly is covered separately. 2. REFERENCES The following standards contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standard indicated below: IS No. IS 733:1983 IS 742:l981 Title Wrought Aluminium and Aluminium Alloy Bars, Rods and Sections (for General Engineering Purposes) (Third Revision) Zinc Base Alloy Die Castings (Second Revision) IS 1573:1986 Electroplated Coatings of Zinc on Iron and Steel (Second Revision) IS 2062:2011 Hot Rolled Medium and High Tensile Structural Steel (Seventh Revision) IS 2102 (Part 1):l993 General tolerances Part 1 Tolerances for linear and angular / ISO :1989 dimensions without individual tolerance indications (Third Revision) IS 2258:1981 Rolled zinc plate, sheet and strip (Second Revision) IS 2500 (Part 1):2000 Sampling Inspection Procedures - Part 1 : Attribute / ISO :1999 Sampling Plans Indexed by Acceptable Quality Limit (AQL) for Lotby-Lot Inspection (Third Revision) IS 3403:1981 IS 4170:1967 Dimensions for Knurls (First Revision) Brass rods for general engineering purposes IS 4218 (Part 2):2001 ISO General Purpose Metric Screw Threads - Part 2 : / ISO 261:1998 General Plan (Second Revision) IS 4432:1988 IS 5517:1993 Case Hardening Steels (First Revision) Steels for Hardening and Tempering (Second Revision)

7 3. Definition -Adjusters are also referred to as adjusting screws and are normally used in cable drive assemblies to increase or decrease the movement or play of the drive assembly, which provides the actuating controls the correct displacement for satisfactory driving. They include abutments, Ferrules, nut and sleeve. 4. Shape and Dimensions -Typical assemblies of control cable drive with adjusters for brake, throttling and starting are shown in Fig. 1 to 3. The recommended shape and dimensions of the adjusters are indicated in Fig. 4 to Materials - The recommended materials are given below: Front abutment IS : 733 Rear abutment IS 2062 or IS 5517 Ferrule IS 4170 or IS 2258 or IS 742 Nut IS 2062 Sleeve IS 2062 or IS Any other material as agreed to between the purchaser and the supplier may also be used. 5. General Requirements - Straight knurling wherever used shall conform to IS The threads shall conform to IS 4218 (Part 2). Unless stated otherwise, the tolerances shall be in accordance with IS 2102 (Part 1). 6. Finish -Steel components shall be zinc plated and passivated. The plating shall conform to IS Brass ferrules shall also be zinc plated. The thickness of plating shall be as per agreement between the purchaser and the supplier. Hydrogen de-embrittlement shall be ensured after zinc plating. 7. Tests - Each component shall be visually examined for any manufacturing defects. Any other test as agreed to between the supplier and the purchaser shall be carried out. 8. Packing - The adjusters shall be packed as per the best prevalent trade practice. 9. Marking - Manufacturer s name or trade-mark may be embossed or punched on components. 9.1 BIS Certification Marking The adjusters may also be marked with the Standard Mark The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards Act 2016 and the Rules and regulations made thereunder. The details of conditions under which the licence for the use of Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards. 10. Sampling - Unless otherwise agreed to between the purchaser and the supplier the inspection sampling shall be in accordance with IS 2500 (Part l).

8 All dimensions in millimetres. FIG. 1 BRAKE CABLE ASSEMBLY All dimensions in millimetres. FIG. 2 THROTTLE CABLE ASSEMBLY Ail dimensions in millimetres. FIG. 3 STARTING CABLE ASSEMBLY

9 All dimensions in millimetres. FIG. 4 FRONT ABUTMENT All dimensions in millimetres. FIG. 5 REAR ABUTMENT

10