ADDRESSED TO : 1. All Interested Members of Civil Engineering Division Council, CEDC 2. All Members of CED All others interested

Transcription

1 DRAFT IN WIDE CIRCULATION DOCUMENT DESPATCH ADVICE Reference Date CED 15/ T TECHNICAL COMMITTEE: Builder s Hardware Sectional Committee, CED15 ADDRESSED TO : 1. All Interested Members Civil Engineering Division Council, CEDC 2. All Members CED All others interested Dear Sir (s), Please find enclosed the following draft: Document Title Doc: CED 15(7918) Steel butt hinges Specification (Sixth revision IS 1341) ICS ; Kindly examine the draft and forward your views stating any difficulties which you are likely to experience in your business or pression, if these are finally adopted as National Standards. Last Date for comments: Comments, if any, may please be made in the format as given overleaf and mailed to the undersigned at the above address. In case no comments are received or comments received are editorial nature, you will kindly permit us to presume your approval for the above documents as finalized. However, in case comments technical 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 documents are also hosted on BIS website Thanking you, Encl: As above Yours faithfully, (J. Roy Chowdhury) Sc F & Head (Civil Engg.) ced@bis.org.in 1

2 FORMAT FOR SENDING COMMENTS ON BIS DOCUMENTS (Please use A4 size sheet paper only and type within fields indicated. Comments on each clause/subclause/table/fig etc be started on a fresh box. Information in column 3 should include reasons for the comments and suggestions for modified working the clauses when the existing text is found not acceptable. Adherence to this format facilitates Secretariat s work) NAME OF THE COMMENTATOR/ORGANIZATION: Doc. & Title: Doc: CED 15(7918) Steel butt hinges Specification (Sixth revision IS 1341) Sl (1) Clause/Subclause/ Para (2) Comments/suggestions (3) 2

3 For BIS Use Only Doc: CED 15(7918) BUREAU OF INDIAN STANDARDS Draft for Comments Only (Not to be reproduced without the permission BIS or used as an Indian Standard) Builder s Hardware Sectional Last Date for Comments: Committee, CED Draft Indian Standard STEEL BUTT HINGES SPECIFICATION (Sixth Revision IS 1341) FOREWORD (Formal clauses to be added later) This standard was first published in 1959 and subsequently revised in 1962, 1970, 1976, 1981 and In this revision the following changes have been made: i) Unequal flap hinges (light weight and medium weight) have been introduced (see 3); ii) Option for hinges without holes have been introduced (see 6.4); iii) Inclusion application guidelines (Annexure B) iv) preventive measures required to adopt by the consumers (Annexure C). v) Marking requirements have been modified (see 8.1). For the purpose deciding whether a particular requirement this standard is complied with, the final value observed or calculated, expressing the result a test or analysis, shall be rounded f in accordance with IS 2 : 1960 'Rules for rounding f numerical values (revised)'. The number significant places retained in the rounded f value should be the same as that the specified value in this standard. 3

4 For BIS Use Only Doc: CED 15(7918) BUREAU OF INDIAN STANDARDS Draft for Comments Only (Not to be reproduced without the permission BIS or used as an Indian Standard) Builder s Hardware Sectional Last Date for Comments: Committee, CED Draft Indian Standard STEEL BUTT HINGES SPECIFICATION. (Sixth Revision IS 1341) 1 SCOPE This standard lays down the requirements for materials, dimensions, manufacture and finish steel butt hinges. NOTE The requirements non-ferrous metal butt hinges has been covered in IS REFERENCES The standards listed in Annex A are necessary adjuncts to this standard. 3 TYPES Steel butt hinges shall be the following types: a) Light weight 'LW' steel butt hinges ( see Table 2 ) b) Light weight 'LWU' unequal flap hinges (see Table 3) c) Medium weight 'MWU' unequal flap hinges (see Table 4 ) d) Medium weight 'MW' steel butt hinges (see Table 5) e) Broad type 'BR' steel butt hinges ( see Table 6 ) f) Square type 'SQ' steel butt hinges ( see Table 7 ) g) Heavy weight (Type 1) 'HW1' steel butt hinges ( see Table 8 ) h) Heavy weight (Type 2) 'HW2' steel butt hinges ( see Table 9 ) 4 MATERIALS Materials used for the manufacture steel butt hinges shall comply with the requirements given in Table 1. 4

5 Table 1 Requirements for Materials for Steel Butt Hinges (Clause 4 ) SI Part Material Suitable Grade in Indian Standard (1) (2) (3) (4) i) Flap Mild steel Grade O IS 1079 or Grade O 1S 513 ii) Pin Mild steel wire Minimum l/4 H IS DIMENSIONS AND TOLERANCES 5.1 Typical shapes steel butt hinges are shown in Fig. 1 and Fig. 2. The leading dimensions various types hinges and tolerances thereon shall be as given in Tables 2 to The size the hinge shall be denoted by the length (A) the hinge, 6 MANUFACTURE 6.1 General Hinges shall be well made and shall be free from flaws and defects all kinds. All hinges shall be cut clean and square and shall be provided with mild steel hinge pins. The hole for the hinge pin shall be central and square to the knuckles. All sharp edges and corners shall be removed. Application guidelines the hinges (for reference only) is given at Annex B. 6.2 Knuckles The sides knuckles shall be straight and at right angle to the flap. The movement the hinges shall be free and easy, and working shall not have any play or shake The number knuckles in the hinge different sizes shall be as specified in Tables 2 to Pins The hinge pin shall be diameters as specified in Tables 2 to 10 for different types and sizes hinges. It shall fit inside the knuckle firmly and riveted head shall be well formed so as not to allow any play or shake. It shall allow easy movement the hinge, but shall not cause looseness. 5

6 6.4 All screw holes shall be clean and countersunk to suit countersunk head wood screws conforming to IS The screw holes shall be the numbers specified in Tables 2 to 9 for different types and sizes hinges. Steel butt hinges without screw holes may be supplied on specific customer requirements. The requirements for screw holes in 6.4, 6.4.1, and and columns (7) and (8) Tables 2 to 9 shall not be applicable in the case steel butt hinges without screw holes The number holes to be punched in different types hinges shall be as specified in Tables 2 to Position The centre line the holes shall be parallel to the pin. In the heavy and medium weight hinges, when only two screw holes in each flap are provided they shall be in one line, but when more than two holes are provided in each flap they shall be distributed in zig-zag manner as shown in Fig. 1. In the light weight hinges, up to three holes may be provided in one line, but when more than three holes are provided they shall be distributed in zig-zag manner as shown in Fig. 1. In broad and square types the position holes shall be as specified in Fig. 1. The distance the screw holes from the end the flap either parallel to the pin or across it shall be as follows: X or Y (see Fig. 1) For hinges 15, 20 and 25 mm size For hinges 40, 50 and 65 mm size For hinges 75, 90 and100 mm size For hinges 125 mm size and above 2.0 mm, Min 3.5 mm, Min 5.0 mm, Min 7.0 mm, Min Z (see Fig. 1) For hinges 15 mm size For hinges 20 mm size and above 3.5 mm, Min 4.0 mm, Min where X = distance the end hole from the end flap measured parallel to the pin; Y = distance the end hole from the end flap measured at right angle 6

7 to the pin; and Z = distance the end hole nearest to knuckle edge, where holes are provided in zig-zag manner, from the edge the knuckle slot When more than two screw holes are provided in each flap, they shall be equidistant from one another. 7 FINISH Unless otherwise specified, hinges shall be finished bright with smooth surfaces. IS 208 'Specification for door handles' can be referred as guidelines in regard to finishes. 8 MARKING 8.1 Each hinge shall be clearly and permanently marked on any its edge with the following: a) The manufacturer's name or trade mark. b) The designation for the type hinge as specified in 3 eg. 'LW' for Light Weight, 8.2 BIS Certification Marking The hinges may also be marked with the Standard Mark. The use the Standard Mark is governed by the provisions the Bureau Indian Standards Act, 1986 and Rules and Regulations made there under. The details conditions under which the license for the use Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau Indian Standards. 9 PACKING 9.1 Hinges shall be packed in cardboard boxes or in any other approved packing in the following quantities: Size 15, 20 and 25 mm Size over 25mm and up to and including 75 mm Sizes above 75 mm 30 pieces in each package 20 pieces in each package 10 pieces in each package NOTE Hinges may be packed in multiples six, if required by the purchaser. For customers' usage, paper slip giving maintenance and care steel butt hinges will be put in each box as given in Annex C. 7

8 9.2 Each package shall be labeled showing the following particulars. a) Type hinges, b) Size hinges, c) Quantity hinges, and d) Indication the source manufacture I0 SAMPLING AND CRITERION FOR CONFORMITY The method selecting hinges and the criterion for conformity shall be as given in Annex D. 8

9 Sl Size hinge Table 2 Dimensions Light Weight Steel (Type 1) Butt Hinges (Clauses 3, 5.1, 6.2.2, 6.3, 6.4 and 6.4.1) Length Breadth Thickness Flap Diameter Hinge Pin A B C D Knuckles mm mm mm mm mm (1) (2) (3) (4) (5) (6) (7) (8) (9) i) ± ± ± ± ii) ± ± ± ± iii) ± ± ± ± iv) ± ± ± ± v) ± ± ± ± vi) ± ± ± ± vii) ± ± ± ± NOTE Dimensions B is for uncranked hinge. For cranked hinge, this dimension will increase accordingly. for 9

10 Table 3 Dimensions and Tolerances Light Weight Unequal Flap Hinges (Clauses 3, 5.1, 6.2.2, 6.3, 6.4 and 6.4.1) Sl Size hinge Length Breadth Thickness Flap Diameter Hinge Pin Knuckles A B B1 B2 C D E F G mm mm mm mm mm (1) (2) (3) (4) (5) (6) (7) (8) (9) i) 75x13x19 75± ±1 13±0.5 19± ± ± ii) 100x13x19 100± ±1 13±0.5 19± ± ± (NEW SIZE) for 10

11 Sl Size hinge Table 4 Dimensions and Tolerances Medium Weight Unequal Flap Hinges (Clauses 3, 5.1, 6.2.2, 6.3, 6.4 and 6.4.1) Length Breadth Thickness Flap Diameter Hinge Pin Knuckles A B B1 B2 C D E F G mm mm mm mm mm (1) (2) (3) (4) (5) (6) (7) (8) (9) i) 75x13x19 75± ±1 13±0.5 19± ± ± ii) 100x13x19 100± ±1 13±0.5 19± ± ± (NEW SIZE) for 11

12 Sl Size hinge Table 5 Dimensions for Medium Weight Mild Steel Butt Hinges (Clauses 3, 5.1, 6.2.2, 6.3, 6.4 and 6.4.1) Length Breadth Thickness Flap Diameter Hinge Pin A B C D Knuckles mm mm mm mm mm (1) (2) (3) (4) (5) (6) (7) (8) (9) i) ± ± ± ± ii) ± ± ± ± iii) ± ± ± ± iv) ± ± ± ± v) ± ± ± ± vi) ± ± ± ± vii) ± ± ± ± viii) ± ± ± ± ix) ± ± ± ± x) ± ± ± ± NOTE Dimensions B is for uncranked hinge. For cranked hinge, this dimension will increase accordingly. for 12

13 Sl Size hinge Table 6 Dimensions Broad Type Steel Butt Hinges (Clauses 3, 5.1, 6.2.2, 6.3, 6.4 and 6.4.1) Length Breadth Thickness Flap Diameter Hinge Pin A B C D Knuckles mm mm mm mm mm (1) (2) (3) (4) (5) (6) (7) (8) (9) i) ± ± ± ± ii) ± ± ± ± iii) ± ± ± ± iv) ± ± ± ± v) ± ± ± ± NOTE Dimensions B is for uncranked hinge. For cranked hinge, this dimension will increase accordingly. for 13

14 Sl Size hinge Table 7 Dimensions Square Type Steel Butt Hinges (Clauses 3, 5.1, 6.2.2, 6.3, 6.4 and 6.4.1) Length Breadth Thickness Flap Diameter Hinge Pin A B C D Knuckles mm mm mm mm mm (1) (2) (3) (4) (5) (6) (7) (8) (9) i) ± ± ± ± ii) ± ± ± ± iii) ± ± ± ± iv) ± ± ± ± v) ± ± ± ± NOTE Dimensions B is for uncranked hinge. For cranked hinge, this dimension will increase accordingly. for 14

15 Sl Size hinge Table 8 Dimensions Heavy Weight (Type 1) Steel Butt Hinges (Clauses 3, 5.1, 6.2.2, 6.3, 6.4 and 6.4.1) Length Breadth Thickness Flap Diameter Hinge Pin A B C D Knuckles mm mm mm mm mm (1) (2) (3) (4) (5) (6) (7) (8) (9) i) ± ± ± ± ii) ± ± ± ± iii) ± ± ± ± iv) ± ± ± ± v) ± ± ± ± vi) ± ± ± ± vii) ± ± ± ± viii) ± ± ± ± ix) ± ± ± ± NOTE Dimensions B is for uncranked hinge. For cranked hinge, this dimension will increase accordingly. for 15

16 Sl Size hinge Table 9 Dimensions Heavy Weight ( Type 2 ) Steel Butt Hinges (Clauses 3, 5.1, 6.2.2, 6.3, 6.4 and 6.4.1) Length Breadth Thickness Flap Diameter Hinge Pin A B C D Knuckles mm mm mm mm mm (1) (2) (3) (4) (5) (6) (7) (8) (9) i) ± ± ± ± ii) ± ± ± ± iii) ± ± ± ± iv) ± ± ± ± v) ± ± ± ± vi) ± ± ± ± vii) ± ± ± ± viii) ± ± ± ± ix) ± ± ± ± NOTE Dimensions B is for uncranked hinge. For cranked hinge, this dimension will increase accordingly. for 16

17 Annex A (Clause 2) IS Title 205 : 1992 Non-ferrous metal butt hinge (fourth revision) 280 : 1978 Mild steel wire for general engineering purposes (third revision) 513 : 1994 Cold rolled low carbon steel sheets and strips (fourth revision) 1079 : 1994 Hot-rolled carbon steel sheet and strip (fifth revision) 6760 : 1972 Slotted countersunk head wood screws 17

18 Annex B (Clause 6.1) APPLICATION GUIDELINES OF STEEL BUTT HINGES EXAMPLE OF USAGES DOOR WEIGHT MAXIMUM YEARLY CYCLES (OPEN/ CLOSE) OPERATIONS HINGE TYPE Cabinet Hinges upto 3 Kg 2000 Light Wt.( Type 1) Steel Butt Hinges 15mm, 25mm Cabinet Hinges above 3 Kgs - upto 8 Kgs 5000 Light Wt.( Type 1) Steel Butt Hinges 40mm, 50mm Window Hinges above 8 Kgs - upto 16 Kgs Light Wt.(Type 1) Steel Butt Hinges 65mm, 75mm Door Hinges above 16 Kgs - upto 32 Kgs Light Wt.(Type 1) Steel Butt Hinges 100mm Window Hinges above 8 Kgs - upto 16 Kgs Light Weight (Type 2) 50mm, 60mm, 75mm Door Hinges above 16 Kgs - upto 32 Kgs Light Weight (Type 2) 100mm, 125mm, 150mm Window Hinges upto 16 Kgs Light Wt. Unequal Flap Hinges 75x13x19m Door Hinges above 16 Kgs - upto 32 Kgs Light Wt. Unequal Flap Hinges 100x13x19mm Window Hinges above 16 Kgs - upto 32 Kgs Medium Wt. Unequal Flap Hinges 75x13x19mm Door Hinges above 32 Kgs - upto 50 Kgs Medium Wt. Unequal Flap Hinges 100x13x19mm Cabinet Hinges upto 8 Kgs Medium Wt. Steel Butt Hinges 20mm, 25mm, 40mm Window Hinges above 8 Kgs - upto 32 Kgs Medium Wt. Steel Butt Hinges 50mm, 65mm, 75mm Door Hinges above 32 Kgs - upto 50 Kgs Medium Wt. Steel Butt Hinges 90mm, 100mm Door Hinges above 50 Kgs - upto 65 Kgs Medium Wt. Steel Butt Hinges 125mm, 150mm Window Hinges above 16 Kgs - upto 32 Kgs Broad Type Steel Butt Hinges 50mm, 75mm Door Hinges above 32 Kgs - upto 50 Kgs Broad Type Steel Butt Hinges 100mm Door Hinges above 150Kgs - upto 65 Kgs Broad Type Steel Butt Hinges 125mm, 150mm Window Hinges above 16 Kgs - upto 32 Kgs Square Type Steel Butt Hinges 50mm, 65mm Window Hinges above 16 Kgs - upto 32 Kgs Square Type Steel Butt Hinges 75mm Door Hinges above 32 Kgs - upto 65 Kgs Square Type Steel Butt Hinges 90mm 18

19 EXAMPLE OF USAGES DOOR WEIGHT MAXIMUM YEARLY CYCLES (OPEN/CLOSE) OPERATIONS HINGE TYPE Window Hinges above 16 Kgs - upto 32 Kgs Heavy Weight (Type 1) Steel Butt Hinges 50mm, 65mm, 75mm Door Hinges above 32 Kgs - upto 50 Kgs Heavy Weight (Type 1) Steel Butt Hinges 90mm, 100mm Door Hinges above 50 Kgs - upto 65 Kgs Heavy Weight (Type 1) Steel Butt Hinges 125mm, 150mm Door Hinges above 65 Kgs - upto 80 Kgs Heavy Weight (Type 1) Steel Butt Hinges 175mm, 200mm Window Hinges above 16 Kgs - upto 32 Kgs Heavy Weight (Type 2) Steel Butt Hinges 50mm, 65mm, 75mm Door Hinges above 32 Kgs - upto 50 Kgs Heavy Weight (Type 2) Steel Butt Hinges 90mm, 100mm Door Hinges above 50 Kgs - upto 65 Kgs Heavy Weight (Type 2) Steel Butt Hinges 125mm, 150mm Door Hinges above 65 Kgs - upto 80 Kgs Heavy Weight (Type 2) Steel Butt Hinges 175mm, 200mm 19

20 ANNEX C (Clause 9) MANUFACTURER'S INSTRUCTION LEAFLET The hinges have been produced by the manufacturer to provide smooth operation when fitted. It is possible that after frequent usage the dust may combine with other particles and debris to create hindrance in its smooth operation. Unless cleaning is effected regularly the deposit may act as a grinding agent and decrease the life the hinge. It is recommended that wiping away any such deposit with suitable cleaning agent is undertaken on regular basis. These hinges shall be lubricated regularly with WD40 oil or its equivalent grade and this would accomplish its function effectively. D-l LOT ANNEX D (Clause 10) SAMPLING AND CRITERION FOR CONFORMITY In any consignment, all the butt hinges the same type and size and manufactured from similar materials under identical conditions manufacture shall be grouped together to constitute a lot. D-2 SAMPLE SIZE D-2.1 The number butt hinges to be selected from a lot shall depend on the size lot and shall be in accordance with col. 1 and 2 Table 11. D-2.2 Butt hinges for testing shall be selected at random from at least 10 percent the randomly selected packages subject to a minimum three, equal number hinges being selected from each such package. D-3 TESTS All butt hinges selected as in D-2 shall be checked for dimensions and tolerances (see 5), manufacture (see 6) and finish (see 7). Any hinge which fails to satisfy the requirements any one or more the characteristics shall be considered as defective hinge. 20

21 D-4 CRITERION FOR CONFORMITY A lot shall be considered as conforming to the requirements this standard if the number defective hinges among those tested does not exceed the corresponding number given in col 3 Table 10. Table 10 Scale Sampling and Criterion for Conformity (Clauses D-2.1 and D-4) Lot Size Sample Size Permissible Defective Hinges (1) (2) (3) Up to to to to and above