4 18 11 66 75 20 4. However, Rm is a tensile. 3mm 3. 0For shafts 10 to 22mm diameter the keyway/key depth tolerance is +0. Text may be added and replaced, new objects can be included, pages can be rearranged, watermarks and page numbers can be added, and so on. pdf), Text File (. Dimensions and tolerances of metric keyways for parallel keys (source:BS 4235-1: 1972) DIN 6885 Keyway, key details Extract Page 1 heavy type d b P9 / JS9 Hub keyway b P9 / N9 Shaft keyway h t 1 = d + t 2 t 2 t 3 = d – t 4 t 4 6 2 2 2 7 1 +0,1 4,8 1,2. Check Details. I have a question about keyway tolerances as specified by ANSI B17. 3 5 5 18 22 6 2. Size, grade and types of bolts required 4. Question: Metric Key Keyway Dimensions Per ISO/R773. 3 Preferred length and weight of keys - Preferred length and weight of keys is given in Table 4. 010 0. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings All Types (Page 1 of 2) Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance Key & Keyway Dimensions – Millimeters Falk Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal Keyway Width Hub “W”. Diameter. You enter a basic diameter ( Fig 1; Dia) and select your desired fit from the calQlation options and Limits and Fits will automatically calculate the machining tolerances (maximum and minimum diameters) for both the Hole and the Shaft. 3. 600H-600NH series INSULATED LEVER - DOUBLE POLE * Function 4 : SP in DP case - see "Technical information" on website KEYWAY III 2-1 5-4 II I 2-3 5-6 Solder lug Screw A 641NH/2 641NH 26° ON - OFF 644NH/2 644NH* 30° ON ON. Table 2, Hub Keyway. 1 Table Calculator RC - LT Fits. Scribd is the world's largest social reading and publishing site. DIN 6885* Keyway, key details Extract Page 2 heavy type for machine tools d b P9 / JS9 Hub keyway b P9 / N9 Shaft keyway h t 1 = d + t 2 t 2 t 3 = d – t 4 t 4 3- Special case for M6 from 250mm to 315mm tolerance. 4-Flute Spline. The standard then requires a single keyway to be machined into the coupling hub and for the hub to be fitted to the shaft with a key. 8 14 9 51 58 16 4. That would give you a line fit in the worst case, but this does not account for the symmetry(or offset) of keyway. The common plus VAT 0,02 €. View available parts by clicking on the following link: DIN 6885 Parallel Keys High Type “A”2. Hex, round, and step profiles are available to mate. 66 edition; DIN ISO 286 Part 2, 11. A profile tolerance on each side of the keyway will impose a symmetric MMC. 002″/-. W = d/4[clarification needed] H = 2d/3[clarification needed] where. The system of limits and fits is useful for determining tolerances of components that need to have a relationship or function with one another. 5 DESIGNATION. The right answer; all the way down at the bottom of the comments section. This Standard establishes a uniform relationship between shaft size and key size for parallel and taper keys retaining similar basic sizing as found in the withdrawn B17. Quantity. The keys and keyways followed the recommendations of ISO R773:1969 and shaft tolerances followed ISO R775:1969. Feather keys Steel / Stainless Steel DIN 6885 ELESA+GANTER®. 0000 4. 3 44 50 14X9 14 3. Shaft keyseat dimensions and tolerances. ・ Md where s = 27 mm or lower is calculated by Md = 0. Ch3 Bearing Tolerance and Fits TPI. ISO/R 774:1969. 0. A broached keyway in the end of an adjustable wrench. Size Shaft Dia. KeyWay /Key Dimensions. Fit regarding height. Page 4 of 6 AGMA 9002-A86 Inch Bore and ANSI B17. 000. The difference in sizes is referred to as a positive difference. Coping with foreign bore and keyway standards | Machine Design. 55, valid from 1 September 2022, plus VAT only valid for Germany. 628 2. Dimensioning and Measurement of a Key Way [ 1] Avoid tolerance buildup by dimensioning from another dimension, as cumulative tolerances will lead to dimensional errors. 822Drive shaft Design, key and Keyways. 095 . The following is listing of those standards: Standard Description BS4235 P Woodruff keys and keyways – same as ISO 391 BS46P1 Specifications, Keys and Keyways – obsolete CSAB232 Keys and Key seatsKeys and keyways. Basic Diameter: Hole Diameter: Shaft Diameter: Clearance Maximum Minimum. Moorland Rd. The system of limits and fits is useful for determining tolerances of components that need to have a relationship or function with one another. 5. This specification includes index toler-ances for multiple keyways. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. 3810. 002/-0. His claiming that if his going with the standard dimensions and tolerances (0. 00075-0. Give the machinist the largest tolerances possible. Metric Key & Keyway Dimensions Per ISO/R773 – P9 Width Tolerance H. Improperly fitted keys and keyways -either too tight or too loose- can result in mechanical failures. 4 %âãÏÓ 1170 0 obj >> endobj 1171 0 obj /Type /Catalog /Pages 1138 0 R /Outlines 1233 0 R /PageMode /UseOutlines /Metadata 1161 0 R /JT 1162 0 R /AcroForm 1159 0 R /Names 1153 0 R >> endobj 1346 0 obj /S 3833 /O 4454 /Filter /FlateDecode /Length 1906 >> stream xœíW}P“÷ ÿ>Ï“ f7 /1½¢f_c^ ×¥fóº. 1 +0. A Key goes into the Keyway to lock things up. This standard defines the bore and keyway tolerances to be used for V-belted sheaves. In general, the dimensions contained in ANSI/AGMA 9002A86 represented the dimensions and tolerances used within the industry for pre- -Standard Keyways and Setscrews Diameter of Shaft Keyway Width × Depth Setscrew Diameter of Shaft Keyway Width × Depth. Part No. broached internal keyway possibly has larger than . 5) B ('hallo. 1236. Preferred Tolerance Grade Zones ISO 286 **** International Tolerance Grades ; For more exhaustive fastener. Taper keys with or without gib head and their corresponding keyways. ~ ÔëW>v‘àMt€- Ö’ÉÃåT”™›ÃX¡[Yš(r× ï6 (ü. Key Size. In general, the dimensions contained in ANSI/AGMA 9002A86 represented the dimensions and tolerances used within the industry for pre- - Standard Keyways and Setscrews Diameter of Shaft Keyway Width × Depth Setscrew. 002, -0. 000 Over 1" +0. One of the internal bores has a M6. That also agrees with my experience (motor keys are not generally interference fit to the keyway). **Standard Flat Keyways. Rexnord Industries, LLC, Coupling Group 427-108 5555 S. 38 1958. 002 on the key and 0. Tolerance Class: Shaft t 1: Hub t 2: Normal: Close: Shaft N9: Hub Js9: Shaft & Hub P6:. , 24. 120 32 7,4 120 120 120. Motors will be supplied with premium efficiency windings that exceed minimumFeed motors for SINAMICS S120 1FK7 High Inertia motors Natural coolong Selection and Ordering Data Rated speed Shaft height Rated power at ∆ T=100 K Stall torque Rated torque Rated current Synchronous motor1FK High Inertia Number of pole pairs Rotor inertia (without brake) Rotor inertia (with brake) Weight (without brake) Weight (with brake). pdf), Text File (. Download. A ___ tolerance. 7") 0. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. 2 + 0. Key and Their Corresponding Keyways Shape and dimensions of parallel key and keyway Shape and dimensions of taper key, headed taper key and keyway Excerpt from JIS B 1301:1996 S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 h2 = h, f = h, e ≒ b S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 Key bodyInstall in a keyway to transmit torque from shafts to gears and other components. 6 - M 18. 4- Some internal Grade values must be rounded down to a precision of 3 decimal metric millimeter precision. 2) Dimension h of the taper key names the largest height of the key, and dimension t z largest depth of the hub keyway. In stock. For the specified diameter according to DIN 6885 standard was determined according to the keyway dimensions as width (b) 5 mm, depth (h) 5 mm, shaft keyway depth (t 1) 3 mm and length (L) 20 mm. MUHAMMAD USMAN. 010" Keyway Dimensions to BS 46 Part 1-1958 In the absence of specific details. Size Shaft Dia. 0. THe 10% Rule: plug gages. tolerances. 1-1967 (R1998). 5 +. This is a relatively free fit and applies only to parallel keys. 0. Tolerances are maintained 2) Core-to-bore as per the Table of Standard Bore Tolerances. Dimensions in millimetres. Generally, there are two classes of stock available for sunk keys, mainly parallel keys. O. It offers robust explanations of coupling misalignment fundamentals, clearance/interference standards, offers keyway recommendations, and also covers IEC and Nema Motor Frame standards. 010 0. Machinery s Handbook Woodworks Library. Shaft diameters for keyed shafts. making a drawing of a standard key Drafting Standards. 3 17 22 6X6 6 2. As noted in it "This is a condensation of the standards on motors included in NEMA Standards Publication Motors and Generators, MG 1-2006. In particular, tolerances are assigned to mating parts in an assembly. clearance fit bores with set screws. They conform to ANSI B17. Shaft keyed keyway aluminum diameter grainger length motor shafts close. Groove depth t_2. Js9 Width Tolerance. 0 +0. n Metric keyway tolerances conform to ANSI/AGMA 9112 Normal keyway width tolerance. 002" Forward. Shaft (Arbor) Keyway Dimension Size Data -. The first is Js9. Other lengths to suit specific shaft separations are available on request. A continuous force acts on the shaft, key, and hub. 1 1. 65) Nominal dimension Tolerance Zones over to U7 S7 R7 P7 P9 N7 N9 M7 K7 J7 JS9 H7 H8 H11 G7 F7 F8 E8 E9 D10 deviations in µm 1 3 -18 -14 -10 -6 -6 -4 -4 -2 0 +4 +12. No external flange. Lovejoy supplies ‘metric’ dimensioned ‘F’ hub straight bores with bore and keyway tolerances conforming to the ISO 286-2 standards for a P7 interference fit unless otherwise specified. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. Shaft Diameter. 000. Insert Arrangements Shell Size Designator Insert Arrangement. - Calculate the dimension for measurement of the keyseats. 1 over 8 to 10 3 3 1. We offer sizes for cutting the most common keyway widths and TiN or TiAlN coatings are available. 442 2-5/16 2. 0. 8 22 30 8X7 8 3. Shaft failure due to the keyway. General Tolerances (Excerpt from JIS B 0405 1991/JIS B 0419 1991）. 30. 003-0. 020 0. (d) the -03a was cancelled and superseded by -03b. g. See Detail. INTRODUCTION — The general practice in industry is to supply coupling hubs without fillet radii in the keyway corners to permit the use of standard commercial keys instead of keys with chamfered. The tables below show the dimensions of a straight sided spline in accordance with BS 5686:1986, ISO 14-1982: Specification for straight-sided splines for cylindrical shafts: metric nominal dimensions, tolerances and gauging requirements. Another name for a Keyway is a Keyseat, since the Key is seated in the Keyseat. Avoid tolerance buildup by dimensioning from another dimension, as cumulative tolerances will lead to dimensional errors. Gates belts, hoses, and applications: standard & non-standard shaft keyMetric key keyway dimensions Metric key keystock meter plain finish length rectangular square. English (selected)Page Count: 34. 2-1978 standards. txt) or read online for free. uvu. i have had more problems with internal keyway not parallel to bore more than . Nearly every shaft diameter has a corresponding standard keyway width and depth – this calculator helps you find it. 001) of an inch. Keyway dimensions metric key js9 iso tolerance per hub radius width depth diameter nominal thru hasn answered question yet beenKeyway keyways clubrunner bores wxh 3/16" x 3/32 keyway keyed shaft 7/8" x 6" metals & alloys businessKeyway bore modification service inch additional ka standard diameter. Interference Fit Bore Tol. If you apply a positional tolerance of . . Specifications Met: Pkg. Draft angle a (for shapes G, H, J) Designation. Good Answers: 102. . ISO 286. Key and Their Corresponding Keyways Shape and dimensions of parallel key and keyway Shape and dimensions of taper key, headed taper key and keyway Excerpt from JIS B 1301:1996 S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 h2 = h, f = h, e ≒ b S1 = b's tolerance× 1 2 S2 = h's tolerance× 1 2 Key bodyStandards such as BS 46, ANSI B17. 020 0. The keyway is a longitudinal slot in both the shaft and mating part. Scribd is the world's largest social reading and publishing site. Hub. keyway. BORES AND KEYWAYS IN. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. KEYWAY SPECIFICATIONS Eng Tips Engineering Forums. I am an Engineer/part time. 8mm 2. It might be worth roughing the keyway underwidth by 1/16" and then profile cut both sides with a nice sharp carbide to straighten. Key and Their Corresponding Keyways Shape and dimensions of parallel key and keyway Shape and dimensions of taper key, headed taper key and keyway Excerpt from JIS B. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Metric Key & Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance « + Keyways will be furnished per ISO/R773 and Js9 width tolerance unless otherwise specified. Engineering, Manufacturing Tolerance Limits Fits Charts. 1265 0. 000 on the keyway) at the max key and min keyway you have a problem and the components are not going to fit and that is why his proposing 0. The preferred method for dimensioning a keyway is with a local note. Shallow keyway depths must exceed 2/3 of the full keyway depth of the square keys shown above. Keyways Index BS 46 Keys and keyway Dimensions-Parallel Rectangular Ref Standard . 1 8 3 +0. Referencing Figure 1, the keyway dimension is W x T1. 002" and causing problems assembling. For technical drawings and 3-D models, click on a part number. Max. Weight: 0,001 kg. 9375 1. The advantage of the Js9 tolerance is that the key can be inserted and the. The following ISO Tolerance Chart for bolts and holes per ISO 286. The first principle to grasp is the fit designation of the shaft /hole joint. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. Description. . setscrew. # Tolerance each on T1 and T2 (1" -14") is - . 3. Keyway tolerances are in conformity with new JIS Js9 and P9 and old JIS F7 and E9. 003-0. 4 MATERIAL. Hubs will be supplied unbored, unless specified. 324 Minimum 3. 314 . d Tolerance Class Shaft t1 Hub t2. Enter your desired preferred tolerance grade and the nomial size. 7Rm) (0. 000 Keyway Width ( w ) Over 1/2" to and including 1" +0. BS ISO 4156:2005_1: Straight cylindrical involute splines. strength approximated from the spanner’s minimum Rockwell hardness. Specification. 100% (1) 542 vizualizări 3 pagini. 1 Square Keyway Tolerances . We will also overview the maximum material condition, which is essential to designing the mating. Further selections Dynamically loaded shaft / hub Torsion barskeyway, when specified, is compatible with locking devices: as81935/3 for sizes –03 through –08, and nas 513 for sizes –10 through –16. and ansi b17 1 square keyway tolerances minimum 3 0000 0Keyway sizing chartMetric keyway tolerance chart Shaft standard key sizes table non bushing bore keys qd shallow range gates includes specific each alsoWoodruff keys ansi keyway nominal fasteners. 5. Frequently Used Fits. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches. DIN 6885/1 :- Definition. In 1950, W. Table II reflects interference fits used for NEMA-frame-size motor shafts. 1. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys Keys and keyways. Standard Keyway Tolerances Up through 1/2" +0. 00 mm Upper Limit = 25. GD&T Symmetry is a 3-Dimensional tolerance that is used to ensure that two features on a part are uniform across a datum plane. 1 -1967 (2004) standards for metric and inch unit systems. 2 standards for dimensions and tolerances. Table 5, Keyway dimension and tolerance (mm) Bore Diameter, D Key Size Hub Keyway Dimensions Width Height Width Depth Over Through W H W W ± tol t2 t2 ± tol 6 8 2 2 2 0. S2=Tolerance of h× 2 1 S1=Tolerance of b× 2 2. Avoid tolerance buildup by dimensioning from another dimension, as cumulative tolerances will lead to dimensional errors. Mechanical Tolerance Standards Menu. BS 46 Part 1 : 1958 Square Keys and keyway Dimensions. SHOW LESSBased on standard tolerances and limit deviations in accordance with ISO 286. The ANSI B4. 1 1. Notes: n Inch bore and keyway tolerances conform to ANSI/AGMA 9002. On request. (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. Ht. 0005 inch per inch of length for keyseat lengths. Types of Fit Clearance Fit. 3 12 8 45 50 14 3. d. H is the key height. Standard. 1 (American National Standard Institute) standard. Machine keyway to recommended size and tolerance listed per Table 5. A keyed joint is used to ensure orientation or restrict rotational movement between parts, as in the case of joining a shaft with a coupling. Hole tolerance for diameters not defined by ISO 286-2. INTRODUCTION — The general practice in industry is to supply coupling hubs without fillet radii in the keyway corners to permit the use of standard commercial keys instead of keys with chamfered. Machine keyway to recommended size and tolerance listed per Table 5. Therefore, to ensure appropriate fit, the width and height dimensions of standard key and keyways must be held to recommended tolerances. Sure-Fit or Extreme Variability of Mechanical Tolerances Calculator. In other words, the GD&T "Position" Tolerance is how far your feature's location can vary from its "True Position". This is an undersized clearance. Width. If a setscrew is required, drill and tap over keyway as shown in Figure 3. 1-1967, ASME standard B17. This enables the use of standard gages. Face Run Out. Notes: n Inch bore and keyway tolerances conform to ANSI/AGMA 9002. The True Position is the exact coordinate, or location defined by basic dimensions or other means that represents the nominal value. I would specify location tolerances separately on the length of your first keyway, and on the width and length of your second keyway. Keyway tolerances not specified shall be in accordance with AS81935/3 or NAS513 as applicable. ISO and ANSI Standards. Keyways Index. RoyMech Resources Keyways Woodruff Metric key and Keyway Dimensions These Pages include various standards. FOREWORD. Table 5, Keyway dimension and tolerance (mm) Bore Diameter, D Key Size Hub Keyway Dimensions Width Height Width Depth Over Through W H W W ± tol t2 t2 ± tol 6 8 2 2 2 0. Key/Keyway Positions Master Keyway 105° 140° 215° 265° 140° 215° 265° 60° 105° Master Polarizing Key Master Keyway 105° 140° 215° 265° 140° 215° 265° 60° 105° Master Polarizing Key Receptacle Plug Note 1: Shielded, not applicable to Series II or hermetic connectors. For more industry standard tolerance data see: Mechanical Tolerance Standards Charts6 QUICK FLEX Couplings Engineering Standard Bore Sizes - Inch Coupling Series Pilot Bore 1 ⁄ 2 5 8 3 ⁄ 4 7 8 1 1 1 8 1 3 16 1 4 1 3 ⁄ 8 7 16. Oversized. For technical drawings and 3-D models, click on a part number. The shaft keyway and hub keyway dimensions according to ISO 6887 - taper keys with gib head - are equal to those in ISO 6886 Home; Metric Keyways Index page; Parallel Keys and keyway Dimensions; Parallel Keys and keyway Dimensions to BS 4235-1:1972 KeyWay & Key Dimensions. Keyway broaching on CNC lathes offers several advantages over traditional broaching machines: Flexibility: Indexable inserts allow for a great flexibility with various tolerances (such as H7, JS9, P6, D10, C11) and profiles (square, hexagon, spline) at a relatively low cost. (c) threads shall be formed by a single rolling operation after final heat treat as specified in the. One of the following methods should be used to specify keyways: Metric: WxH Key W x T2 Keyway British: WxH12 Key W x H Keyway ISO Standard-mm Imperial -Inches * Groove dimensions for woodruff keys DIN 6888 in accordance with DIN 6885 Sheet 1 (with back clearance) BS 4235 Pt. 4. The ____ bolt is threaded at both ends. 5 SHAPE, DIMENSIONS AND TOLERANCES OF KEYWAYS 8 -4 X Sect ion X-X Detail A Vaiues in millimetres Shaft Keyl ) Keyway Diameter d Width b Depth*) Sect ion bXh Radius r Tolerante for class fit Free Normal Close Shaft tl Shaft Hub Hub and hub H9 DIO IV9 Js9 P9 nom. pdf | Manufactured Goods | Mechanical. Keyway Bore Diameter Size Bore Reference -0. 1 1 0. 5 + 0. Clearance Fit Bore Tol. The slot is defined as a keyway or a. Standard Bore and Keyway Tolerances Inch and mm May 13th, 2019 - DIN 7154 H7 Metric Bore and DIN 6885 Js9 Square Keyway Tolerances Page 1 of 4 PFEIFER INDUSTRIES LLC 2180 Corporate Lane Suite 104 Naperville IL 60563 USA Phone 630 596 9000 Fax 630 596 9002 Standard Bore and Keyway Tolerances Inch and mm xls Author jdonovanRE: Standard tolerancing on stainless keys and keyways The keyway must be slightly larger than the key itself if the key needs to fit into the pocket. 3 10 8 39 44 12 3. Nominal Bore Diameter. 90 edition Tolerance zones shown forTolerance zones shown for nominal dimension 60 mm ISO abbrev. 85 (0. 000 1 1/16" to 2" + . Bore and Keyway Tolerances for V-Belted Sheaves. PFEIFER INDUSTRIES, LLC. Machinery s Handbook Erik Oberg Google Books. April2014 . (Dimensions comply with DIN 6885/1) † Requires use of chamfered keys. When installed, these keys fill oval keyways completely, reducing stress on the key and shaft. 00050-0. 1-1967 or JIS B 1301-1996 specify sizes and tolerances of the keys and keyways. Clutch. AUTOMATION & IIOT. The combination of angular and parallel misalignment within a system may be more detrimental to the coupling and equipment thanThis Calculator will determine the preferred size and limit tolerances for Running or sliding to interference-locational fits per ANSI B 4. O. Recommendations for key size, length and keyway depth as a function of shaft diameter are provided in ASME Standards B17. by Crystal Bemis on August 1, 2022. Keys and keyways come in three main types: square parallel keys, rectangular (also called flat) keys and plain tapered keys. Box 12086 Omaha, NE 68112-2086The problem is determining the size of the keyway on the shaft because the tolerances provided in the standard are for when the key is stationary in relation to the shaft. Hub keyseat has been sometimes referred to. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use. When a keyway is damaged, cut a new, wider one. Use the keyways with machine keys to transmit torque to gears, sprockets, and. A cutout in the shaft reduces its torsional strength. Tolerance. 010/. Based on lecture notes of John Milnor, which first appeared at Princeton University in 1957 and have been widely studied by graduateToday, there are 14 types of geometric tolerances by the number of symbols, and 15 types based on classification. 125+. 3810. 062 0. When it comes to the world of mechanical engineering and precision manufacturing, keyway design is a crucial element that often goes unnoticed. DIN 7154, H7 Metric Bore & DIN 6885, Js9 Square Keyway Tolerances | PDF. The following tables report the preferred metric fits and tolerances for hole and shaft basis systems given by the ISO 286-1 (2010) and ANSI B4. Machinery s. 332 Maximum 3. The parallel tolerance is tighter than symmetry. 000 / +0. Locate keyways per Figure 6 and Table 8. Depth of keyway is measured at CROWN. NOMINAL SHAFT DIAMETER. From keyseats to key dimensions and keyway types, understanding the intricacies of. The schematic representation of the fit is also drawn by tolerance calculator. 3. 6. Engineers recommend BS 46, ANSI B17. 597 7/16 . 65 millimeter. This is because. 0015 0. Figure 1. 4375 1. tolerances for inch bores, keys and keyways for flexible couplings. In October’s column, I mentioned the typical tolerance for key- ways. - Show the tolerances based on ANSI/ASME B17. Enter e-mail addresses in the fields below. 000 -0. 1 Square Keyway Tolerances Minimum 3. • Explain the profile of a line tolerance. Coping with foreign bore and keyway standards | Machine Design. 0. BS 46 Part 1 : 1958 Square Keys and keyway Dimensions. A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment. Shaft Keyway Shear and Yield Strength Formulae and Calculator. keyways available upon request. Product Question. 3 38 44 12X8 12 3. Open navigation menu. 002" and causing problems assembling. Specification. The use of these tolerances is advised for economic reasons. Specification. 2Shaft Arbor and Keyseat Dimensional Data American National Standard Keys and Keyways; Standard Metric Keys Keyways for Metric Bores with One Key; Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. 342 Minimum 3. Stay up-to-date with new products releases, news and promotions. com web: Supersedes 4-96 tolerances for inch bores, keys and keyways for flexible couplings. WooHoo! You subscribed successfully. Close suggestions Search Search. 2020-04-21 16:00:46. 5 +. G&G Manufacturing Company 4432 McKinley Street P.