APRIL 2021

Enhancements and modifications into version 1.76:

**Power Screw**

The program (algorithm) is used to design and check power screws. It is used to solve the following tasks:

Calculation of kinematic parameters (speed, torque, revolutions and power output...)

Simple selection / definition of power screw (metric, square, trapezoidal...)

Screw check for tensile/pressure, thrust, bend, buckling and critical revolutions.

The program contains a table of materials, threads and friction coefficients.

Support of 2D CAD systems.

**Ball Screws**

The program (algorithm) is used to design, calculate and check ball screws. It is used to solve the following tasks:

Preliminary design (minimum input parameters – sufficient to navigate and select from catalogs)

Detailed analysis (load, dimensions, parameter check)

Load spectrum table definition (speed, torque, revolutions and power output...)

Calculation of an equivalent load

Service life calculation, tolerances, temperature analysis

Tensile/Pressure, thrust, bend, buckling and critical revolutions

Lubrication proposal and efficiency calculation

The program contains tables of screws according to ISO and ANSI

Support of 2D CAD systems

**Thermal Properties of Materials**

The workbook contains information defining the effect of temperature on some physical and mechanical properties of materials used in the engineering industry. It solves the following tasks:

Definice projektilu.

Calculation of the linear coefficient of thermal expansion and elongation of the component for the given heating process.

Elongation of a group of components made of various materials arranged into a linear chain.

Calculation of the modulus of elasticity for the given temperature.

The database contains approximately 700 metallic materials used in mechanical engineering.

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