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Fastner Geometry Calculators    

Nominal Diameter of Bolt given Core Diameter Formula is the Diameter equal to the external Diameter of the threads or the overall Diameter of the part.

Wheel Diameter given equivalent wheel Diameter is used to determine the Diameter of the grinding wheel needed for a specific grinding cycle based on the equivalent wheel Diameter and workpiece Diameter.

The Core Diameter of studs given nominal Diameter is the smallest Diameter of the thread.

Fastner Geometry Calculators    

Nominal Diameter of Bolt Formula is the Diameter equal to the external Diameter of the threads or the overall Diameter of the part.

Cylinder Head and Stud Calculators   Important Formulas of Engine Cylinder Calculators    

The Nominal Diameter of Studs is the Diameter equal to the external Diameter of the threads or the overall Diameter of the part.

Nominal Diameter of Gasket Joint Formula is defined as the Diameter equal to the external Diameter of the threads or the overall Diameter of the bolt.

Draw ratio is the ratio of the blank Diameter to cup Diameter.

Diameter of valve stem is the Diameter of the lowermost part of the valve (valve stem).

Cylinder Head and Stud Calculators   Important Formulas of Engine Cylinder Calculators    

The Core Diameter of Studs is the smallest Diameter of the threaded portion of a stud.

Piston Pin Calculators   Important Formulas of Piston Calculators    

Outer Diameter of Piston Pin is the Diameter of the outer surface of a piston pin.

Piston Pin Calculators   Important Formulas of Piston Calculators    

Inner Diameter of Piston Pin is the Diameter of the inside surface of a piston pin.

Thickness of Cylinder Wall Calculators   Important Formulas of Engine Cylinder Calculators    

The Outer Diameter of Engine Cylinder is the external or outer Diameter of the cylinder.

The Outside Diameter of concentric sphere Formula is defined as outside Diameter of concentric sphere.

Train Wheel Diameter considering Bearing Life is the required Diameter of the wheel of a train.

The Core Diameter of Power Screw Formula is defined as the smallest Diameter of the screw thread. It is also called minor Diameter.

The Nominal Diameter of Power Screw Formula is defined as the largest Diameter of the screw. It is also called major Diameter.

Single Spring Installations Calculators    

The Mean Diameter of conical spring Formula is defined as the sum of the inside Diameter of the spring and the nominal Diameter of the packing cross section.

Single Spring Installations Calculators    

The Actual mean Diameter of conical spring Formula is defined as subtraction of the addition of nominal packing cross-section and actual wire Diameter from the outer Diameter of spring wire.

Port Diameter given Diameter of valve head is the Diameter of the opening of the port of an IC Engine.

Metric Thread Calculators    

The Pitch Diameter from Three Wire System Method Formula is defined as the simple effective Diameter of screw thread, approximately halfway between the major and minor Diameters.

Joint Geometry and Dimensions Calculators    

Diameter of spigot collar given rod Diameter is defined as external Diameter of collar of the spigot of a cotter joint.

Joint Geometry and Dimensions Calculators    

The Diameter of socket collar given rod Diameter Formula is defined as Diameter of collar of the socket of a cotter joint.

Diameter of port given Diameter of valve stem is the Diameter of the opening of the port of an IC Engine.

Two Wires System Method Calculators    

The Pitch Diameter from Measurement over Wires Method Formula is defined as the simple effective Diameter of the screw thread, approximately halfway between the major and minor Diameters.

Nominal Diameter of Screw given Unit Bearing Pressure is defined as the largest Diameter of the screw .It is also called major Diameter.

Outer Diameter of piston pin given its inner Diameter is the Diameter of the outer surface of a piston pin.

Turning Operation Calculators    

The Length-to-Diameter Ratio given Diameter of turned parts is the ratio of the flighted length of the screw to its outside Diameter.

Turning Operation Calculators    

The Diameter of Turned Parts given Length-to-Diameter Ratio Formula is defined as the Diameter of the workpiece which is undergoing Turning.

Bundle Diameter in Heat Exchanger Calculators    

The Bundle Diameter given Shell Diameter and Shell Clearance Formula is defined as the outer Diameter of the tube bundle within the heat exchanger.

Pin Calculators    

The Diameter of pin of knuckle joint given Diameter of pinhead is the Diameter of the pin used in joining the eye end and the fork of a knuckle joint.

Diameter of Bushed Pin Flexible Coupling Components Calculators    

Diameter of Driving Shaft of Coupling given Diameter of Pin is defined as the Diameter of the outer surface of the driving shaft attached to the coupling.

Pin Calculators    

The Diameter of pin of knuckle joint given outer Diameter of eye is the Diameter of the pin used in joining the eye end and the fork of a knuckle joint.

Joint Geometry and Dimensions Calculators    

Diameter of rod of cotter joint given socket collar Diameter is the Diameter of the end rod of the cotter joint.

Joint Geometry and Dimensions Calculators    

Diameter of rod of cotter joint given spigot collar Diameter is the Diameter of the end rod of the cotter joint.

Core Design Parameters Calculators    

Dedendum Circle Diameter of Gear given Pitch Circle Diameter Formula is defined as the Diameter of the imaginary circle touching the gear teeth and its center is at the gear's center.

The Mean Coil Diameter of Engine Valve Spring given Wire Diameter is defined as the average of the outer and inner coil Diameters of an engine valve spring.

Single Spring Installations Calculators    

The Inside Diameter of member given Mean Diameter of Conical spring Formula is defined as the Diameter of the inside of a tube, pipe, or another object.

The Diameter of wire of engine valve spring given mean coil Diameter is the Diameter of the wire of the helical spring used in engine valve actuation.

Pitch Diameter of smaller pulley given pitch Diameter of big pulley is defined as the Diameter of the smaller pulley use in the belt drives.

The Shell Diameter of Heat Exchanger Given Clearance and Bundle Diameter Formula is defined as the outer Diameter of the cylindrical shell portion of the shell and tube heat exchanger.

The Average Electron Density using Electron Density and Electron Diameter Formula is defined as the product of electron density and cube of the nanoparticle Diameter, divided by the cube of electron Diameter.

The Diameter of fulcrum pin of lever given bending moment and effort force is the internal Diameter of the fulcrum pin boss or the external Diameter of the fulcrum pin.

Rod Calculators    

Diameter of Rod of knuckle joint given its Enlarged Diameter near joint is the Diameter of the rod at the ends of the fork and eye of the knuckle joint.

Shaft Dimensions Calculators    

Diameter of Shaft of Rigid Flange Coupling given Outside Diameter of Hub is defined as the Diameter of the outer surface of the driving shaft attached to the rigid flange coupling.

Diameter of Bushed Pin Flexible Coupling Components Calculators    

Diameter of Driving Shaft of Coupling given Pitch Circle Diameter of Pins is defined as the Diameter of the outer surface of the driving shaft attached to the coupling.

Design of Clamp and Muff Coupling Calculators    

Diameter of Driving Shaft of Muff Coupling given Outer Diameter of sleeve is defined as the Diameter of the outer surface of the driving shaft attached to the coupling.

Fastner Geometry Calculators    

Major Diameter of Internal Thread given Pitch Diameter of Internal Thread Formula is the Diameter of the imaginary co-axial cylinder that just touches the crest of an internal thread.

Least Diameter of impeller when outlet Diameter is twice of inlet Diameter is defined as the ratio of square root of manometric head multiplied by 97.68 to the speed of the impeller.

The Diameter of fulcrum pin of lever given reaction force and bearing pressure is the internal Diameter of the fulcrum pin boss or the external Diameter of the fulcrum pin.

Shaft Dimensions Calculators    

Diameter of Shaft of Rigid Flange Coupling given Outside Diameter of Flange is defined as the Diameter of the outer surface of the driving shaft attached to the rigid flange coupling.