1、 The American Society of Mechanical Engineers AN AMERICAN NATIONAL STANDARD HINGE TYPE FLAT TOP CONVEYOR CHAINS AND SPROCKET TEETH ASME B29.17M-1998 Revision of AN WASME 829.1 7M-1983 (R1995)I Date of Issuance: March 30, 1999 This Standard will be revised when the Society approves the issuance of a
2、new edition. There will be no addenda or written interpretations of the requirements of this Standard issued to this edition. ASME is the registered trademark of The American Society of Mechanical Engineers. This code or standard was developed under procedures accredited as meeting the criteria for
3、American National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides
4、an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large. ASME does not “approve,“ “rate,“ or “endorse“ any item, construction, proprietary device, or activity. ASME does not take any position with respect to the validity of any patent rights a
5、sserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liabilityfor infringement of any applicable Letters Patent, nor assumes any such liability. Users of a code or standard are expressly advised that determination of th
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7、 accepts responsibilityfor onlythose interpretations issued in accordance with governing ASME procedures and policies which precludes the issuance of interpretations by individual volunteers. No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise, with
8、out the prior written permission of the publisher. The American Society of Mechanical Engineers Three Park Avenue, New York, NY 10016-5990 Copyright Q 1999 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in USA. FOREWORD (This Foreword is not part of ASME 629.17M-1998.) S
9、teel chains of the type covered by this Standard were first introduced in the late 1930s. These chains met with considerable success on material conveying applications. In 1973, a subcommittee of American National Standards Committee B29 was appointed to draft a standard for these hinge type flat to
10、p conveyor chains. This Committee was composed of interested members of the American Chain Association. The standard developed by this Committee covered only those dimensions that affect interchangeability and interconnectability. To promote the use of this Standard in international trade, metric eq
11、uivalents of all dimensions and capacities are given. The American National Standards Institute approved the previous edition of this Standard on June 21, 1983, and it was reaffirmed in 1995. The Standard was modified in 1997 to include two straight running nonmetallic chains (24p26 and 24P86). This
12、 edition received ANSI approval on September 9, 1998. . 111 ASME STANDARDS COMMITTEE B29 Chains, Attachments, and Sprockets for Power Transmission and Conveying (The following is the roster of the Committee at the time of approval of this Standard.) OFFICERS J. L. Wright, Chair K. M. Padilla, Secret
13、ary COMMllTEE PERSONNEL E. 6. Beardslee, Beardslee Transmission Equipment Co., Long Island City, New York P. J. Ensch, Rexnord Plastics Division, Milwaukee, Wisconsin W. C. Hall, Ramsey Products Corp., Charlotte, North Carolina L. E. Hampel, Allied-Locke Industries, Inc., Dixon, Illinois J. Kane, U.
14、S. Tsubaki Inc., Holyoke, Massachusetts J. M. Lewis, Webster Industries Inc., Tiffin, Ohio A. M. McCarty, Emerson Power Transmission, Ithaca, New York C. McDonald, Jervis 6. Webb Co., New Hudson, Michigan D. Moore, Jeffrey Chain Co., Morristown, Tennessee C. B. Norberg, Consultant, Ithaca, New York
15、V. D. Petershack, Hitachi Maxco Ltd., Oconomowoc, Wisconsin R. A. Reinfried, Conveyor Equipment Manufacturers Association, Manassas, Virginia S. Rhoad, Webster Industries, Inc., Tiffin, Ohio V. E. Skipper, Hitachi Maxco Ltd., Oconomowoc, Wisconsin C. G. Springman, Diamond Chain Co., Indianapolis, In
16、diana K. J. Smith, Drives, Inc., Fulton, Illinois R. H. Uttke. Rexnord Corp., Milwaukee, Wisconsin J. L. Wright, Consultant, Indianapolis, Indiana D. N. Zwiep, Worcester Polytechnic Institute, Worcester, Massachusetts V CONTENTS . Foreword 111 Standards Committee Roster . v 1 Chain Nomenclature 1 2
17、General Chain Proportions and Designations 1 3 Explanation of the Chain Numbering System 1 4 Chain Dimensions 1 5 Sprocket Tooth Form - General . 1 Figures 1 Steel Hinge Type Flat Top Conveyor Chain . 2 2 Steel Hinge Type Flat Top Conveyor Chain Nomenclature 3 3 Plastic Hinge Type Flat Top Conveyor
18、Chain - 24P26 3 4 Plastic Hinge Type Flat Top Conveyor Chain - 24P26 4 5 Plastic Hinge Type Flat Top Conveyor Chain - 24P86 5 6 Plastic Hinge Type Flat Top Conveyor Chain - 24P86 5 7 Sprocket Tooth Form, Type A - Radius Tooth Form 8 8 Sprocket Tooth Form, Type B - Straight Face Tooth Form 10 9 Sproc
19、ket Tooth Dimensions . 12 Tables 1 General Chain Dimensions, M.U.T.S. Rating, and Measuring Load for Checking 2 Maximum and Minimum Controlling Dimensions for Interchangeable Links 7 3 Chain Clearance Dimensions 7 4 Pitch Diameter and Maximum Outside and Bottom Diameter for Normal Range of Sprocket
20、Teeth Available With Type A Tooth Form Sprockets 9 5 Standard Pitch Diameter, Maximum Outside and Bottom Diameter, and Pressure Angle Limits for Normal Range of Sprocket Teeth Available With Type B Chain Length 6 Tooth Form Sprockets 11 6 Maximum Eccentricity and Face Runout Tolerances of Sprocket T
21、eeth 12 vii ASME 829.17M-1998 HINGE TYPE FLAT TOP CONVEYOR CHAINS AND SPROCKET TEETH 1 CHAIN NOMENCLATURE steel hinge type flat top conveyor chains: a series of steel (carbon or stainless) flat surfaces of various widths as specified herein made integral with hinge-like barrels on each side. These b
22、arrels are designed to interlace so that pins inserted through the holes formed by the barrels connect adjacent links, thus forming a continuous length of flat top conveyor chain free to flex in one direction. Pins are retained by press fit and/or heading with respect to the barrels of one link whil
23、e being a free or slip fit with respect to the interlaced barrels of the adjacent link. The chain so formed is driven by meshing the curl outside diameters with sprocket teeth. plastic hinge type $at top conveyor chains: similar to steel type flat top chains except that the chain links are molded of
24、 plastic material. Pins are usually made of stainless steel and may be retained by press fit or knurls. See also Figs. 1 through 6. 2 GENERAL CHAIN PROPORTIONS AND DESIGNATIONS 2.1 Minimum Ultimate Tensile Strength (M.U.T.S.) Minimum Ultimate Tensile Strength (M.U.T.S.) for chain covered by this Sta
25、ndard is the minimum force at which an unused, undamaged chain could fail when subjected to a single tensile loading test. (a) WARNING: The M.U.T.S. is not a “working load”. The M.U.T.S. greatly exceeds the maximum force that may be applied to the chain. (b) Test Procedure. A tensile force is slowly
26、 applied, in an uniaxial direction, to the ends of the chain sample. (c) The tensile test is a destructive test. Even though the chain may not visibly fail when subjected to the M.U.T.S., it will have been damaged and will be unfit for service. 2.2 Measuring Load The measuring load as listed in Tabl
27、e I is approxi- mately 2% of the minimum ultimate tensile strength. This is the load under which a chain should be measured for length. 2.3 Chain Length Tolerance New chains may exceed theoretical length by 0.38 in. in 120 in. (9.7 mm in 3048 mm) but must not be under the theoretical length. 2.4 Dim
28、ensions for Chain Components To allow chain from one manufacturer to interconnect with that of another, certain limiting dimensions have been adopted. These are not dimensions used in manu- facturing chain, but have been chosen, maximum and minimum, to define an envelope within which compo- nents mu
29、st fit to achieve the desired interchangeability. All dimensions are based on the decimal inch system. The metric equivalent dimensions are for reference only. 3 EXPLANATION OF THE CHAIN NUMBERING SYSTEM Chain numbers for this Standard consist of two pairs of digits separated by a letter. The first
30、two digits are the number of sixteenths of an inch in one pitch. The letter designates material. A = austenitic stainless steel, link and pin C = carbon or alloy steel, link and pin P = plastic The last two digits are equal to the hinge width in sixteenths of an inch. For example, 24A26 designates a
31、n austenitic stainless steel chain of 1.5 in. pitch having a nominal hinge width of 1.625 in. The chains are available with various top plate widths, which must be specified independently from the chain part number. 4 CHAIN DIMENSIONS Refer to Tables 1 through 3. 5 SPROCKET TOOTH FORM - GENERAL To r
32、eflect common usage, two separate tooth forms 1 HINGE TYPE FLAT TOP CONVEYOR CHAINS AND SPROCKET TEETH are recorded in this Standard: load absorption and chain elongation allowable. Re- (a) Type A - Radius Tooth Form: one tooth form quires more than one cutter for a full range of teeth. cutter used
33、for a full range of teeth. See Fig. 7 and Five cutters could cut the 12 through 41 teeth shown Table 4. in this Standard. See Fig. 8 and Table 5. (b) Type B - Straight Face Tooth Form: optimizes For other sprocket data, see Fig. 9 and Table 6. FIG. 1 STEEL HINGE TYPE FLAT TOP CONVEYOR CHAIN 2 HINGE
34、TYPE FLAT TOP CONVEYOR CHAINS AND SPROCKET TEETH ASME B29.17M-1998 H A = pin body diameter B = slip fit curl inside diameter C = center curl width D = center curl clearance width E, = width over press fit curls E, = assembled pin length F = press fit curl clearance width G = top plate width H = curl
35、 outside diameter J = press fit curl clearance radius K = clearance - slip fit curl center line to top plate edge L = slip fit clearance radius M = clearance - press fit curl center line to top plate edge P = chain pitch T = top plate thickness -El: Section X-X Section Y-Y FIG. 2 STEEL HINGE TYPE FL
36、AT TOP CONVEYOR CHAIN NOMENCLATURE FIG. 3 PLASTIC HINGE TYPE FLAT TOP CONVEYOR CHAIN - 24P26 3 ASME B29.17M-1998 HINGE TYPE FLAT TOP CONVEYOR CHAINS AND SPROCKET TEETH Section X - X P Chain pitch * A I f=% T Direction of travel FIG. 4 PLASTIC HINGE TYPE FLAT TOP CONVEYOR CHAIN - 24P26 4 HINGE TYPE F
37、LAT TOP CONVEYOR CHAINS AND SPROCKET TEETH ASME 629.17M-1998 FIG. 5 PLASTIC HINGE TYPE FLAT TOP CONVEYOR CHAIN - 24P86 I .E, _I I,G W FIG. 6 PLASTIC HINGE TYPE FLAT TOP CONVEYOR CHAIN - 24P86 5 ASME B29.17M-1998 HINGE TYPE FLAT TOP CONVEYOR CHAINS AND SPROCKET TEETH TABLE 1 GENERAL CHAIN DIMENSIONS,
38、 M.U.T.S. RATING, AND MEASURING LOAD FOR CHECKING CHAIN LENGTH Dimensions, in. Chain Number 24A26 24C26 24P26 24P86 P = Chain pitch A = Pin body diameter 14 = Outside diameter/overall height El = Width over press fit barrels T = Top plate thickness G = Top plate widths M.U.T.S., Ib (see para. 2.1) N
39、umber of pitches/nominal 120 in. Theoretical length in nominal 120 in. strand Measuring load, Ib 1.50 0.25 0.525 1.625 0.12 3.25 4.00 4.50 6.00 7.50 2000 80 120.0 40 1.50 0.25 0.525 1.625 0.12 3.25 4.00 4.50 6.00 7.50 2400 80 120.0 40 1.50 0.25 0.565 1.64 0.16 3.25 4.00 4.50 6.00 7.50 850 80 120.0 2
40、0 1.50 0.25 0.565 5.37 0.19 7.50 10.00 12.00 . 1570 80 120.0 20 Dimensions, mm P = Chain pitch A = Pin body diameter H = Outside diameter/overall height El = Width over press fit barrels T = Top plate thickness G = Top plate widths 38.1 6.4 13.3 41.28 3.0 82.6 101.6 1 14.3 152.4 190.5 38.1 6.4 13.3
41、41.28 3.0 82.6 101.6 114.3 152.4 190.5 38.1 6.4 14.35 41.6 4.1 82.6 101.6 1 14.3 152.4 190.5 38.1 6.4 14.35 136.4 4.8 190.5 254.0 304.8 . M.U.T.S., kN (see para. 2.1) 8.896 10.676 3.78 6.98 Number of pitches/nominal 3048 mm strand 80 80 80 80 Theoretical length in nominal 3048 mm strand 3048 3048 30
42、48 3048 Measuring load, kN 0.178 0.178 0.089 0.089 CAUTION: The numerical values set forth in this Table do not afford a sufficient or appropriate basis for determining chain application and must be read in conjunction with the definitions and explanatory notes appearing in paras. 2 and 3 and Fig. 1
43、. 6 HINGE TYPE FLAT TOP CONVEYOR CHAINS AND SPROCKET TEETH ASME 829.17M-1998 TABLE 2 MAXIMUM AND MINIMUM CONTROLLING DIMENSIONS FOR INTERCHANGEABLE LINKS Dimensions, in. Chain Number 24A26 24C26 24P26 24P86 A = Pin body diameter (rnax.) B = Slip fit barrel inside diameter (rnin.) C = Center barrel w
44、idth (max.) D = Center barrel clearance width (rnin.) 1 = Width over press fit barrels (rnax.) F = Press fit barrel clearance width (rnin.) L = Slip fit barrel clearance radius (rnin.) J = Press fit barrel clearance radius (rnin.) K = Clearance - slip fit barrel center line to top plate edge (rnin.)
45、 M = Clearance - press fit barrel center line to top plate edge (rnin.) R = Center barrel width (rnax.) S = Center barrel clearance width (rnin.) Dimensions. mm 0.251 0.252 0.781 0.790 1.655 1.656 0.264 0.264 0.016 0.01 6 . . 0.251 0.252 0.781 0.790 1.655 1.656 0.264 0.264 0.016 0.016 . . 0.251 0.25
46、2 1.021 1.035 1.655 . . . . . 0.231 0.238 0.251 0.252 3.696 3.725 5.388 . . . . . 1.131 1.140 A = Pin body diameter (rnax.) 6.38 B = Slip fit barrel inside diameter (rnin.) 6.40 C = Center barrel width (rnax.) 19.84 D = Center barrel clearance width (rnin.) 20.07 1 = Width over press fit barrels (rn
47、ax.) 42.04 F = Press fit barrel clearance width (rnin.) 42.06 L = Slip fit barrel clearance radius (rnin.) 6.70 J = Press fit barrel clearance radius (rnin.) 6.70 K = Clearance - slip fit barrel center line to top plate edge (rnin.) 0.41 M = Clearance - press fit barrel center line to top plate edge
48、 (min.) 0.41 R = Center barrel width (max.) . S = Center barrel clearance width (rnin.) . 6.38 6.38 6.40 6.40 19.84 25.93 20.07 26.29 42.04 42.04 42.06 . 6.70 . 6.70 . 0.41 . 0.41 . . 5.87 . 6.05 6.38 6.40 93.88 94.62 136.86 . . . . . 28.73 28.96 TABLE 3 CHAIN CLEARANCE DIMENSIONS Dimensions, in. Ch
49、ain Number 24A26 24C26 24P26 24P86 H = Overall height (max.) 0.525 0.525 0.575 0.575 G = Top plate width (max.) 3.250 3.250 3.250 7.500 4.000 4.000 4.000 10.000 4.500 4.500 4.500 12.000 6.000 6.000 6.000 7.500 7.500 7.500 . 2 = Assembled pin length (rnax.) 1.676 1.676 . . . Dimensions, mm H = Overall height (rnax.) 13.34 13.34 14.61 14.61 G = Top plate width (rnax.) 82.55 82.55 82.6 190.5 101.60 101.60 101.6 254.0 114.30 1 14.30 1 14.3 304.8 152.40 152.40 152.4 190.50 190.50 190.5 . 2 = Assembled pin length (rnax.) 42.57 42.57 . . . 7 ASME
