Engineering, Manufacturing Tolerance Limits Fits Charts

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The links contained on this page are tolerance charts that I use in my design activities. Please use with judgment, as your particular design requirements may be less or more stringent.
Tolerance Charts
Description
This Standard defines preferred limits and fits for press fits applications of non-threaded cylindrical features
This Calculator will determine the preferred size and limit tolerances for Running or sliding to interference-locational fits per ANSI B 4.1.
This Calculator will determine the preferred size and limit tolerances for a force or shrink fit per ANSI B 4.1.
This calculator will determine a variety of force, stress and other design parameters for press fit applications.
Positional & Limits of Size
International Tolerance Grade Chart
Metric Mechanical Tolerance Preferred Size Data
Plus and minus tolerance for the specific ISO 286 hole tolerance data.
Plus and minus tolerance for the specific ISO 286 Shaft tolerance data.
The following are general geometrical tolerances per. ISO 2768 for the following: Linear Dimensions, External Radius and Chamfer Heights, Straightness and Flatness, Perpendicularity, Symmetry, Runout
Slip & Press fit design tolerances for ANSI size dowel pins.
Hole - Fastener Fits for ANSI Hex Head Blots and Screws.
Hole - Fastener Fits

General Tolerances Shaft - Holes Fits

Fixed & Rotating, Class I, II, III, IV, V
Hole - Fastener MEchanical Tolerance Fits Chart
Drilled hole mechanical tolerance capabilites data.
During the rolling process the rollers bow slightly, which results in the sheet metal being thinner on the edges.
GD&T Training Videos and Related Dimensioning and Tolerancing Applications
This tool will assist in design and selection of the correct geometric tolerances GD&T per ASME Y14.5-2009
GD&T and related training videos
This video illustrates a parallelism application on an as-cast box requiring post machining. GD&T training
When RMB is applied to a geometric tolerance to multiple datum features of size to establish a single datum element(s), the datum feature simulator for each feature shall be at a fixed location and orientation relative to each other
This GD&T Training video shows a design where the requirements are that a minimum position tolerance applies at the nominal size. As the feature of size diverges either towards LMS or MMC, the position tolerance is specified to increase from the nominal position tolerance.
This application video explores a couple of GD&T methods to refine the orientation of two hole features for a piston connecting rod.
GD&T Perpendicularity of Hole Application. Perpendicularity is the condition of a surface, axis, or line, which is 90 deg. from a datum plane or a datum axis.
GD&T Cylindricity Engine Piston Bore Application. Cylindricity describes a condition of a surface of revolution in which all points of a surface are equidistant from a common axis.
Circularity describes the condition on a surface of revolution (cylinder, cone, or sphere) where all points of the surface intersected by any plane are... more

Straightness of Surface GD&T Training Application Video

This video illustrates a Straightness of Surface Application on a cam follower wheel.
Flatness Gasket Application - This video discusses how to determine the right Flatness tolerance when a gasket is used between surfaces. GD&T Training
Straightness of Axis Application - This video discusses how to determine the right straightness tolerance when the outer and inner tolerance boundaries are known.
GD&T Related Tolerance Calculators and Tools
This calculator calculates the as-measured Concentricity per. ASME Y14.5 - 2009, Dimensioning and Tolerancing Standard, also know as Geometric Dimensioning and Tolerancing (GD&T).
This calculator will determine the unknown variable of a floating fastener design condition using ASME Y14.5 - 2009 and ISO 1101 and derivative GD&T standards.
This calculator calculates fixed fastener position tolerances utilizing principles and concepts withinASME Y14.5-2009 and ASME Y14.5M - 1994, Geometric Dimensioning and Tolerancing (GD&T).
This calculator will calculate the required field compensating for the effects of the fastener projection. Calculations assume a line-line case at tolerance and feature-of-size maximum departure.
This calculator will calculate the position tolerances for two coaxial mating diameters.
This calculator will calculate the position tolerances for three coaxial mating diameters.
This calculator will convert coordinate measurements to position tolerances. Two inputs are required.
This calculator will convert coordinate measurements to position tolerances for spherical applications. Three inputs are required..
This engineering calculator will determine the true and allowed position tolerance and graph the resulting data points.
For bolt circles that are too large to measure using typical methods or the measuring tools. Measuring or determining distances for a bolt circle geometry can be facilitated using the following equations and methods.
This calculator will determine the even number of holes within a bolt circle.
Even Number of Holes Within Circle #2: To measure or determine the unknown distance c over adjacent hole or pins (largest gage pins that can fit into holes) within a bolt circle of holes (n or number of bolts holes must be even and greater than 4)
Odd Number of Holes in Circle : To measure the unknown distance x over semi-opposite holes using pins (largest gage pins that can fit into holes) and the number of holes n is odd and greater than 3, and the distance c between adjacent holes (pins) is known
This calculator will determine a bolt circle pattern and X Y coordinates as well as plot data. Bolt circle can be rotated as well.

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