Key-Seat. On the Design tab, select Cylinder in the tree control. Below is a sprocket diameter chart we've put together to help you identify the sprocket diameter you need based on the chain size and tooth count. τ = 16. It may be mildly magnetic. Please note that not all possible combination of. 2 -0. Gravel volume required to fill a path, car park or driveway. . ISO/TC 14. For the calculation, the elastic modulus E and Poisson's ratio ν. Over To (Incl. 05 0 6- 8 3×3 3 3-6- 36 3 1. the depth of a keyway is an important taken every Shaft keyway depth calculatorKeyway misumi. 5: 4 Nearly every shaft diameter has a corresponding standard keyway width and depth – this calculator helps you find it. Both dimensions, h. 057 = . 8 will give you your key weight in grams. Proportions for tapers are often expressed as Taper per Foot (TPF), or Taper per Inch (TPI). ** earcneaear r l c oFr Information DIN 6885 page 1 and page 2 differ mainly in the radial position of the parallel key (see sketch). A. ISO 286You need about 33 cm³ of grout for a tile with length 12 cm and width 24 if your total surface area is 290 cm², with the border gap 1 cm around the tile. 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. A second keyway is generally positioned at 90° to the first keyway; 120° or 180° are also common. of keyway bottom for shaft and hub of width b = taper key 18 -0. Figure 1. Synthetic Emulsion. It is also comparable with a frustum or truncated cone. 750 1 . Hole tolerance for diameters not defined by ISO 286-2. Bores and Keyways for Flexible Couplings (Inch Series)** Base of 56HZ frame motors has holes and slots to match NEMA 56, 56H, 143T and 145T mounting dimensions. Particle size greater than 0. 3. 1 18 mm, x Il x 10 height h = Il mm 125 DIN 6887 and 18 11,2 length 20 12 12. The key length should be less than about 1. However. For instance, a #2 morse taper has an angle of 2. Keys are inserted inside the shaft and hub keyway to ensure the working of the complete system. Avoid tolerance buildup by dimensioning from another dimension, as cumulative tolerances will lead to dimensional errors. NEMA C-Face BA Dimensions 143-5TC 2-3/4 182-4TC 3-1/2 213-5TC 4-1/ 4 254-6TC 4-3/4 5000 FRAMEDE2FHOPUVAA AB BAStandard sheet DIN 6885 Print this page Keyway type in the bore and the shaft ISO Fundamental. Inch (ANSI/AGMA 9002-B4) Metric (ISO/R773) Easily calculate the values required to cut keyseats and keyways. Re: Shaft Keyseat. 6 - M 18. Keyway width P9 tight fit (standard design) JS9 or N9 loose fit (requires written agreement)Reply. Preview: Solid Rigid Couplings Design Calculator. Height. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings (Page 2 of 2) All Types 427-140 Reo a 21 (P eso) oola e el 11 pesees 2 Telepoe 22 a 22 eoo Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal Keyway Width Hub “W” Keyway Depth Hub “T2”Shaft Keyway Shear and Yield Strength Requirements Formula and Calculator . For example: 3 feet = 3 × 12 = 36 inches. Fits and tolerance calculator for shaft and hole tolerance calculation according to ISO 286-1 and ANSI B4. Keyway is a recess in the shaft and hub to accommodate the shaft key. KeyWay. BOX 2400 FORT SMITH, ARKANSAS 72902-2400 U. Bore and keyway combinations we broach. It helps engineers and designers determine the. NEMA C-Face BA Dimensions 143-5TC 2-3/4 182-4TC 3-1/2 213-5TC 4-1/ 4 254-6TC 4-3/4 5000 FRAMEDE2FHOPUVAA AB BAStandard sheet DIN 6885 Print this page Keyway type in the bore and the shaft ISO Fundamental. ANSI Woodruff Keys. Thus, with this size of feature control, we can control the orientation besides the size and location. 000,000,040″ Typical of most cutting fluids, usually ranging from 0. Ultimate tensile strength 580MPa, Yield stress approx 300 MPa. 3mm 2. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. GT2 Timing Pulley Bar Stock - 2 mm. Machinist's Calculator is also bundled with the EditCNC g-code editor. A B B B 23 11 7 3 12 4 4 3 4th-To find the 3rd “B” pin segment, subtract the 2nd “B” code from the 3rd “B” code and enter the difference into the chart. Multiply the length x height x width in centimetres and. Length x width x thickness x 128. O. 60 * m 1. 8mm 1. dim. Engineering Calculators Excel App. - The maximum tolerance describes the. The shaft is under torque T, applied to the end. 9 (Fig. Choose these lock cylinders if you need several lock cylinders that open with the same key. 25 6- 30 2 +0. ISO R 773 and. If you put out-of-range values into any of the fields, it'll probably look wrong! To use a gear in your chosen CAD system, you can download a DXF (or SVG). “Learning GD&T From Scratch,” provided by KEYENCE, walks you through the basics of geometric dimensioning and tolerancing,. 414 Maximum 2. For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in. Taper Calculations. Whether dimensions according to standard, special materials or production to drawing, as a manufacturer of parallel keys and wedges the company crummenerl-gmbh. Parallel keys DIN 6885 are only in packing units of 50 pieces for each size and length available. The sunk keys are of the following types : 1. Results from the CBS Content Network. How to Calculate Shear Stress in Kennedy Key? Shear Stress in Kennedy Key calculator uses Shear Stress in Key = Transmitted Torque by Kennedy Key /(sqrt (2)* Diameter of Shaft using Key * Width of Key * Length of Key) to calculate the Shear Stress in Key, Shear Stress in Kennedy Key is defined as the force tending to cause deformation of the key's. 60 * m 1. Keys and Keyways: Dimension charts for Keys and Keyways: Limits, fits and tolerances calculators: Calculates the limits, fits and tolerances according to ISO 286(2010), ANSI B4. 17. For the calculation, the elastic modulus E and Poisson's ratio ν. 1 : Rectangular Sunk Key Square Sunk Key The only difference between a rectangular sunk key and a square sunk key is that its width and thickness are equal, i. Step #7. 030 of the hole and slide the broach into the hole. ISO/R 774:1969. 1 Square Keyway Tolerances Minimum 2. , New Berlin, WI 53151-7953 USA Telephone: 262-796-4060 August 2003 Fax: 262-796-4064 e-mail: info@rexnord. by damian. For more information about our standard woodruff keys, call us today at 724. WIDTH. Structural Analysis of Beams and Shafts. Preferred Tolerances & Fits Chart ANSI B4. D o: Assuming a basic shaft size of 25mm . Nm Key length L mm key width b mm key height h mm keyway depth shaft t 1 mm keyway depth hub t 2 mm shear force F s = T/ (d/2) kN shear stress key τ = F s / (L搓) MPa. Key dimensions: Parallel keys are most commonly used. ISO 286 Chart Calculator. PFEIFER INDUSTRIES, LLC. Title: ANSI_B17_1-Keyway_Dimensions. Height, H . 8 14 9 51 58 16 4. 0035) / 2. 7/16. ISO/R 773:1969. 5000 2. Parallel keys are most commonly used. 1. JIS B 0401-1. 19-1997 ; Keyway Stresses for Non-metallic Gears and Shafts Formulas and Calculator; Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. The key prevents relative rotation between the two parts and may enable torque transmission. Filters Suggested Categories . 008″ shrink fit (i. Keyway Dimensions. • Seal sleeves, spacers, and shaft. Metric key keyway dimensions per iso/r773. 025 h9-0. Dimensions and tolerances of metric keyways for parallel keys (source:BS 4235-1: 1972) The basic size of the feature or fit is the dimension the tolerances will be applied to: The zero line in the calculator. Standard Calculator. The image below the table gives an indication of what the gear might look like. dShaft Keyway Shear and Yield Strength Requirements Formula and Calculator; Spur and Helical Gear Mechanical Drawing Specifications Requirements Defining a gear for manufacturing, or procurement requires engineering and manufacturing information. 5020 2. - Calculate the dimension for measurement of the keyseats. 02 d . Cut precision keyways. 05 = 1. The shear stress in the shaft is calculated as. Two keyways may be specified by the customer. One issue with size is that larger sizes need lower speeds (rpms) to achieve a given surface feet. For a key to function, there must be a keyway on the shaft and a keyseat on the rotating machine element. While a designer is free to specify any keyway they wish, straying from the standard option is likely to increase the cost, time, and complexity of the part. This is an undersized clearance. 21′). SVG and . 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. 75 mm². Assume the radius at the bottom of the keyway will be the standard r/d 0. Woodruff keys are semicircular, fitting partly into a circular segment keyway with the remainder fitting into a longitudinal slot keyway in the mating part. 4. Enter the RPM of the drive motor. 1. 187 1 . 0419 3 Gener T ormation General and Technical Information 5. 06/11/2010 1:24 PM. Just did a 7/8'' key in 3. Woodruff key is essential for operating high speed. ). 03/09/2010 2:19 AM. clearance fit bores with set screws. Convert any feet to inches by multiplying the number of feet by 12, since there are 12 inches in a foot. Keys and keyways . the depth of a keyway is an important taken every Shaft keyway depth calculatorKeyway misumi. Stress concentration factor (Kt) = 2. Woodruff eliminates the milling around the shaft shoulder where concentricity and stress concentration can be affected. ISO/R 774:1969. 4mm 1mm 1. Step key stock is used when worn or damaged key ways have been repaired. 90 2. Achieve your dreams without breaking the bank with these tips in this article for making smart financial decisions. As shown on the detail most keyways are about 3 inches wide by 1. Measure height 2 (D). ANSI limits and fits calculator works in line with ANSI B4. 187 5 . 000 for all standard keyways BORE, KEYWAY & SET SCREW INFORMATION MECHANICAL P. Applications. PARALLEL KEY DIMENSIONS - METRIC - BS4325:1 1972Calculate machine elements online. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. dimension of key b×h Key dimension Keyway dimension Reference b h h 1C l b1 and b2 r and r2 Basic dimension of t dimension of t2 Allowance of t1 and t2 Compliant shaft diameter Dimension d Allowance (h9) Allowance dimension (D10) 2×2 2 0-0. *Contact your local Baldor office for “C” Dimensions. Calculate the worst possible composite alignment misalignment when: a 1 max = ±0. Each tooth’s cutting edge is a few thousandths of an inch larger than the one before. Rectangular. Minimum Bore Size b. The calculations are based on the British standard Metric ISO Limits and Fits. 008 in P 1 max = 0. @ Certain NEMA 56Z frame motors have 1/2" x 1 1/2" long shaft with 3/64" flat. REFERENCE DEPTH. O. Fits and tolerance calculator for shaft and hole tolerance calculation according to ISO 286-1 and ANSI B4. 3750 7/16 . Keyway Depth Calculator - Calculate Keyway Depth Online body { font-family: Arial, sans-serif; background-color: #f5f5f5; margin: 0; padding: 0; } . Beam Calculator. 3 Material Unless otherwise specified, keys complying with the. Key width: 45mm. 1 Class 1 standards for dimensions and tolerances. The calculator determines a safety factor (design coefficient) based on shaft diameter, max engine RPM, shaft horsepower, gear ratio, and torsion strength of the shaft material used. The image below the table gives an indication of what the gear might look like. Shaft with Two Keyways Torque Applied Deformation and Stress Equations and Calculator. 25 - M 1. In this calculation a shaft of length L diameter D with keyway dimensions K H is considered. For Keyway Broaches Give: a. ANSI B17. Hole tolerance for diameters not defined by ISO 286-2. Square Drives for Socket Tools ASA B5. Install these keys in a drilled and reamed hole to locate fixtures and vises on your machine table. This is the axial distance the coupling must be moved up the shaft. Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. 3. Tolerance zones for external dimensionsFor example, an ANSI 202 measures 1/16 x 1/4, while ANSI 1012 measures 5/16 x 1 1/2. Woodruff key is a easily adjustable key, with a hammer blow to the key. To use the calculator, enter the module and number of teeth and the rest of the table should automatically update. 17. all dimensions in inches. Preview: Solid Rigid Couplings Design Calculator. Bore with Keyway Pulley (Aluminium, Imperial) 2A - A Section, 2 Groove. The key and key seat cross section are ISO standardized. Thread Pitch over 3 wires. I've selected a shear strength = S s = 200 MPa, and a compressive strength = S c = 130 MPa. 6552 Productsiv blank. Dimensioning repetitive features Repetitive features and dimensions may be specified by the use of an “X” in conjunction with the numeral. 187 3 . On request. Too much space allowed between the wales may cause crushing of the wales and/or the bending of the wedge allowing theANSI/ A GMA 9002-C14 ANSI/AGMA 9002-C14 (Revision of ANSI/AGMA 9002-B04) American National Standard. 02, r 0. Each tooth’s cutting edge is a few thousandths of an inch larger than the one before. 375 inches. Key (engineering) In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. 1890 0. The following tables show. 260". Key height: 25mm. Original Description:. Technical drawing. Steel C45 Plain. Simply enter the values and click "Calculate". Round-end keyways must be milled with end milling cutters (Figure 4-37) so that the rounded end or ends of the key may fit the ends of the keyway. A cylindrical taper is a piece of material that decreases in diameter in a cone shape. ISO system of limits and fits Part 1: Bases of tolerances, deviations and fits per. As a result of calculations, the total twist angle φ and the maximum shear stress τ are determined. de can quickly implement every wish in every lot size! To go to the page of our product partner, please click here! The following books can be recommended without restrictions. Sprockets come in a wide range of tooth counts for each ANSI chain size. Coupling Size Torque Rating (lb-in) HP per 100 RPM 1010G/GC 10,080 16 1015G/GC 20,790 33 1020G/GC 37,800 60 1025G/GC 66,150 105 1030G/GC 107,100 170The interference fit standard for most couplings made of medium-carbon steel are 0. Ssy = shear strength, lbs/in 2 (psi); Sy = yield strength, lbs/in 2 (psi); t = key / keyway width, in; l = length of keyway, in ; Effect of Keyways on Shaft Strength. Whereas the P9 tolerance is a press fit tolerance. 020 0. K = 0. Regardless of which unit of length you're using, you'll need to measure the following: width, height, and length. Article options / Table. If needed, also input the gear cutting tool's tip rounding radius coefficient. TAPER KEY DIMENSIONS - METRIC - BS 4235 -1: 1972The true position calculator is a tool to calculate the true position of the center axis after actual measured dimensional data is entered about a manufactured feature: either a hole or a shaft. The second is a P9 tolerance. Dimensions shown are in Inches or mm, if you wish to convert them, please use our universal converter. by Crystal Bemis on August 1, 2022. 000 +0. ROLLER CHAIN DIMENSIONS SPROCKET TOOTH DIMENSIONS MAXIMUM HUB RECOMMENDATIONS APPLICATION AND SELECTION HARDENING CHAIN LENGTH CLACULATION SPEED RATIOS. Calculate a RC3 cylindrical fit for a 2. Keyways Index. P5M Timing Belt Pulley - High Torque, Standard or Short Keyless Bushing. ANSI limits and fits calculator works in line with ANSI B4. 1. 4° L max = 3 in L max = 75 mm (LH and RH shafts) P 1 max = 0. 73 1 . Broaches are for use in hand and hydraulic arbor presses and are great for maintenance and short-run production operations. Their extra depth in shaft reduces the overturning tendency in its keyway. The objective is to calculate the shaft size having the strength and rigidity required to transmit an applied torque. Rectangular storage tank capacity. js9 widthKeyway dimensions Key and keyway dimensions. Table of Metric Shaft Tolerances per. Flag Thickness inches. To use this calculator, input your Torque, Shaft Diameter and Key Length values. Once the key is inserted into the keyway, it is not going to move. 5 mm (4″) bore requires a 0. 350 Maximum 2. Dimensional Charts are for Metric Taper Keyways, Metric Taper Keys, Imperial Taper Keyways and Imperial Taper Keys. Refer to the Factory for larger coupling sizes. Keyway Depth. This ratio can be simplified as shown below. Also known as sine keys. D. 92 3. ANSI woodruff size charts express measurements in inches and nominal key sizes with higher numbers corresponding to bigger keys. 3/8 = 3 ÷ 8 = . Parallel keys DIN 6885 are only in packing units of 50 pieces for each size and length available. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. This should now calculate the correct symmetry. Metric – Rectangular B. Minimum Bore Size b. DescriptionSquare-end keyways can be cut with a plain milling cutter or side milling cutter of the proper width for the key. Frame Calculator. Key shaft keyway dimensionsKeys, keyways and splines Grainger approved keyed shaft,dia 1-1/4 in,keyway 1/4 inGates. Width of Key in Round Shaft - (Measured in Meter) - Width of Key in Round Shaft is defined as the width of the key that is fixed in between. 750 1 . Load factor can range from 1. 86133 degrees. 010 inch, max is provided for offset (due to parallel displacement of keyseat centerline from centerline of shaft or bore) of keyseats in shaft and bore. Numbers - Square, Cube, Square Root and Cubic Root Calculator Calculate square, cube, square root and cubic root. Standard Calculator. The following table shows feather keys, keyways (deep design) in accordance with DIN 6885 Part 1/Part 2: Edge break (all sides), chamfer or rounding (at manufacturer’s discretion) Type E, round end, with 2 holes for retaining screws below the stepped line 8*7 and 10*8. Our Standard woodruff keys are machined metal fasteners used to transfer torque from a shaft to gears and function as a fail-safe device and have ANSI Standard dimensions. 5580. Stress Concentration Shaft. Whereas the P9 tolerance is a press fit tolerance. The dimension from the top of the keyway to the opposite bore side, “T-dim”, is calculated from (refer to ANSI/AGMA 9002-B04) the following: T = bore + (h kw - Ch) Recommended Hub Keyway Dimensions (mm) Reference AGMA 9112-A04 Standard metric keyway width tolerance per Js9 Imperial Standard Bore and Keyway Info Recommended Bore Tolerance for Imperial Shafts (Inches) Nominal Shaft Range Shaft Tol. (Redirected from Woodruff key) Standard External Metric Thread and Fastener Sizes M 0. 5 +0. 1 . 360 Minimum 2. Cut precision keyways. Rexnord Industries, LLC, Coupling Group 427-108 5555 S. 86 3. The key and key seat cross. Use this length x width x height calculator to determine the volume in the following applications: Volume of package to be dispatched to add to shipping paperwork. Dimensions. British Standard Metric Keyways for Square and Rectangular Parallel Keys 11 5/16 3/8 7/16 1/2 3/4 3/4 7/8 Nominal Diameter, d 6 1/2. D is the length of the short side of the new isosceles right triangle where the long side is 1. Therefore only 10-20 µm interference between shaft. 000 Standard Setscrew Locations If one setscrew is furnished the location. 5 inches deep, the size of 2x4. DIN 6885-3 :- Key, Hub Keyway, Shaft Keyway Details and Dimensions DIN 6885/3 :- Definition Drive Type Fastenings without Taper Action; Parallel Keys, Shallow Pattern, Dimensions and ApplicationKeying Help Glossary: Manufacturer: To find the door hardware manufacturer you are interested in, just sort the manufacturer column (to the right) in alphabetical order by clicking at the top of the column. Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings (Page 2 of 2) All Types 427-140 Reo a 21 (P eso) oola e el 11 pesees 2 Telepoe 22 a 22 eoo Key & Keyway Dimensions – Millimeters Coupling Hub Keyway Dimensions – Inches Shaft Diameter “D” Key Size Nominal Keyway Width Hub “W” Keyway Depth Hub “T2” Shaft Keyway Shear and Yield Strength Requirement: Design tip for shaft and keyways: In general, shafting up to 3 inches in diameter is almost always made from cold-rolled steel. App calculates cut time based on keyway depth, length, & depth of cut. Broaches are for use in hand and hydraulic arbor presses and are great for maintenance and short-run production operations. 61 24000 100-2 3/4 . Two-bearing housings – PD series . 4375 shaft. 4235 : PART 1 : 1972 Specifying English Keyways In the English system, it is standard practice to dimension keyways. Read more on how keys and keyways work and what types are available – Keys and Keyways. 1 standard which is based on inch units. Briish Standard ‘85 46 Part 1 1958. S. 5mm) wide which is cut on our KEYSEATER. 1. I would think it would work to find the amount of key needed to fill a keyway. Recommendations for key size, length and keyway depth as a function of shaft diameter are provided in ASME Standards B17. 1-855-646-1390 (Toll Free in the U. 84 96000The gear calculator is a comprehensive software which, after inputting various parameters related to gear calculations, computes on-line automatically gear sizes, strengths, working forces, tooth forms,. For interference fit with setscrew over keyway, see Table 2. - Show the tolerances based on ANSI/ASME B17. & Dimension "V" is shaft length available for coupling, pinion or pulley hub - this is a minimum value. Choose from our selection of DIN 6885A machine keys, including machine key stock, rounded machine keys, and more. A rectangular key is generally used for shaft diameter between 1” (25 mm) and 20” (500 mm) Generally, these have a reduced effect on the shaft due to its shallow keyway depth. 5^\circ θ = 80. 4mm 8mm 2mm 9mm 12mm 11mm 4mm 4mm 14mm 15mm DIN 7154, H7 Metric Bore and DIN 6885, Js9 Square Keyway Tolerances Page 1 of 4. The last two digits give the nominal diameter B in eighths of an inch and the digits preceding the last two give the nominal width W in thirty. 048: 0. GT5 Timing Belt Pulley. 4° a 2 max = ±0. 4235 : PART 1 : 1972Shaft (Arbor) Keyway Dimensionl Data - ANSI/ASME B94. e. 015/-0. 90. 1 standard which is based on inch units. A key of 8 mmx 7mm by 70mm long is selected. In order to transmit rotation from the shaft to the hub of gear wheels, pulleys, sprockets, couplings, flanges and other coaxial parts, rigid and frictional joints of. Skip to main content. Shaft Calculator. Downloads Online Books & Manuals Engineering News Engineering Videos Engineering Calculators Engineering Toolbox GD&T Training Geometric Dimensioning Tolerancing DFM DFA Training Training Online Engineering. 2 0. Downloads Flat Plate Stress Calcs Fluids Flow Engineering Friction Engineering Gears Design Engineering General Design Engineering Hardware, Imperial, Inch Hardware, Metric, ISOAbout Keyway Broach Tools. 5°. The CNC Keyway broach cut time calculator performs the following: Roughly calculates cycle time when keyway broaching in a CNC machine. *Contact your local Baldor office for “C” Dimensions. System 70 uses depth increments of . Book Store Engineering Forum Excel App. Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. This machine has enhanced our capabilities in many ways. Each tolerance has a maximum and minimum. 0. Books on gear, chain, or other types of drives. 477 Maximum 2. 750 1 . Standard Plain and Gib Head Keys Specifications per. It is best to supply part material, depth of form, major and minor diameter and keyway dimensions. keyways & keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keysNearly every shaft diameter has a corresponding standard keyway width and depth – this calculator helps you find it. 02 48000 100-3 3/4 . That's how far you go down after touch off. Diameter of Shaft: The diameter of the shaft that fits into the hub. 477 Maximum 2. Where J, the polar second moment of intertia is:Keyseats and Keyways. It helps engineers and designers determine the width and depth of keyways needed for specific applications. 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. CBM Calculator is also available on Android and iOS. 1. Features can only be placed on the shaft edge, for example: Chamfers, fillets, lock nuts, and threads. If a number of parts, all of the same diameter and keyway size, are to be machined, an internal keyway broach can be designed to fit into the hole to support the cutting teeth. xls Author: KEITHSolid Rigid Shaft to Shaft Couplings Design Equations and Calculator. Involute Gear Design Equations and Calculator Equations and engineering design calculator to determine critical design dimensions and features for an involute gear Lewis Factor Equation Lewis factor Equation is derived by treating the tooth as a simple cantilever and with tooth contact occurring at the tip as shown above. Standard keyway dimensionsStandard keyway dimensions table Transeals keyway. The following info was entered: Bore Size = <%=b %>.