What's new in MITCalc 1.73
Jul 22, 2017
- Engineering calculations MITCalc - were extended with a new calculation modules.
- Bolted connection:
- About 190 new bolt materials have been added according to ASTM, ISO, EN (Bolts made of stainless steel, Bolts made of non-ferrous metals, Bolts made at high or low temperatures).
- Expanded database of the materials of the jointed parts.
- An option for design and testing of hollow bolts was added.
- More modern methods are used in the calculation of rigidity.
- Higher precision calculation of additional bending stress for shouldered bolts.
- A more modern, less conservative procedure is applied to the strength testing of a joint.
- The strength test of a dynamically loaded joint was expanded with testing of the bolt in the weakened shank.
- Expansion and refinement of the theoretical model for determination of the bolt fatigue limit.
- Added option for design and testing of the joint with respect to the chosen assembly method.
- Modified and refined calculation of joint parameters for a specific working temperature.
- An option for continuous monitoring of the force ratios in the joint during its heating and cooling was added.
- Vehicle aerodynamics:
- The program is intended for simple simulation of vehicle motion. The program solves the following tasks:
- Simple definition of vehicle parameters.
- Selection from a list of typical vehicles.
- Calculation of forces.
- Calculation of the load, energy, consumption and travel distance.
- Graphic representation of the results.
- External ballistics:
- The program is intended for simple simulation of the firing of various types of bullets. The program solves the following tasks:
- Definition of the bullet.
- Selection from the list of typical bullets.
- Calculation and selection of typical ballistic coefficients.
- Calculation of the forces, velocities, trajectories, angles and other external ballistic parameters.
- Graphic representation of the results of one or two bullets.
- Corrections, adjustments:
- Outer / inner gearing: correction of the generation of the 3D wheel model.
- Chains: adjustment of the chain database.
- Update of support of all 2D/3D CAD system (AutoCAD, Inventor, SolidWorks, SolidEdge).
New in MITCalc 1.70 (Jan 21, 2014)
- Integration of Extension Pack EP08 (Shells - Deformation and stress of rotational shells and pressure vessels)
- Support of AutoCAD 2013 and AutoCAD 2014
- Support of BricsCAD
- Support of Autodesk Inventor 2014
- Full support for MS Excel 2013 (64/32 bit versions)
- Full support for Windows 8 and 8.1 (64/32 bit versions)
New in MITCalc 1.61 (Jan 17, 2013)
- Signature of VBA sections with a new certificate valid until 2014 (Importance - high)
- Planetary gear, correction of the size through the ring gear W (Importance - medium)
- Spur gearing internal/external toothing, bevel gearing, planetary gear, correction of the virtual number of teeth zn (Importance - low)
- Bolt joint, correction of coefficient for additional stress due to bending d (Importance - medium)
- Correction of problems connected with correct initialization of the calculations' input table data when using certain combo boxes in MS Office 2010 for:
- Pins and clevis pins couplings: setup of the correct list of allowed diameters and lengths of pins when changing the type of pins [1.10] (Importance - low)
- Force couplings of shafts with hubs: setup of initial material characteristics if the calculation units are changed [1.1] (Importance - low)
- Compression, tension and torsion springs: setup of a correct list of allowed wire diameters if the material norm of the wire is changed (Importance - low)
- Compression, tension and torsion springs: problem with displaying the results table [3.20] of the spring's design calculation (Importance - medium)
New in MITCalc 1.60 (Oct 24, 2011)
- Engineering calculations MITCalc - modifications into version 1.60
- Full support for MS Excel 2010 (64/32 bit versions)
- Excel 2007 / Excel 2010 calculations saved in binary form (.xlsb)
- Support for all current versions of supported CAD systems
- Resolved compatibility between different versions of Excel, see here for details.
- Furthermore, the below described problems have been solved:
- Correction of the accuracy of calculations of the last value for girders (Importance - low).
- Correction of the nonfunctional change of the model for SolidWorks 2011, correction of the window being moved up. (Importance - high)
- Correction of the labelling of units for calculation of spur gearing, inch version (Importance - low)
- Improvement of precision of the recommended minimal diameter of the shaft in the calculations of shaft connections for hollow shafts (Importance - low)
- Correction of the calculation of screwed joints for limit zero values of the "Factor of implementing the operational force n" (Importance - medium)
New in MITCalc 1.51 (Jan 15, 2010)
- Integration of Extension Pack EP07 (Plates)
- Integration of Service Pack SP06
- Extended installation options with administrator rights (it is possible to install in the account with administrator rights and start up in all accounts with user rights)
- An example of transmission calculations is available in help (gearing, shafts, bearings, belts, chains...)
- Added support for AutoCAD versions 2010 and 2011
- Furthermore, the below described problems have been solved:
- Calculation of forces and bending moment for spur gear (external, internal, planetary). Everything is newly calculated on an operating pitch diameter. Refinement is related to Ft, Fr and Mo in paragraph [12.0] (Importance - low)
- Refinement of Conversion of Units (Importance - medium)
- Refinement of image switching in the calculation of plates and in the module of technical formulas in Office 2007/SP1. (Importance - medium)
- Refinement of Calculation of Plates - the calculation of rectangular plate, paragraph [4], cases 2 and 9 – wrong recalculation of force. (Importance - high)
- Refinement of the calculation of width between centres (planet/crown wheel) for non-zero backlash in planetary gearing. (Importance - high)
- Refinement of the interface for SolidEdge ST2. (Importance - high)
- Beams, extended range of input cells (dimensions, load...), added IPE Profile. (Importance - low)
- V-belts (SI version): corrected pulley slot angle (SPZ, SPA, SPB, SPC) for selected diameters. (Importance - low)
- Internal gearing ANSI, refinement of the conditioned formatting for bending safety coefficient. (Importance - low)
New in MITCalc 1.50c (Jan 15, 2010)
- Integration of Extension Pack EP07 (Plates)
- Integration of Service Pack SP06
- Extended installation options with administrator rights (it is possible to install in the account with administrator rights and start up in all accounts with user rights)
- An example of transmission calculations is available in help (gearing, shafts, bearings, belts, chains...)
- Added support for AutoCAD versions 2010 and 2011
- Furthermore, the below described problems have been solved:
- Calculation of forces and bending moment for spur gear (external, internal, planetary). Everything is newly calculated on an operating pitch diameter. Refinement is related to Ft, Fr and Mo in paragraph [12.0] (Importance - low)
- Refinement of Conversion of Units (Importance - medium)
- Refinement of image switching in the calculation of plates and in the module of technical formulas in Office 2007/SP1. (Importance - medium)
- Refinement of Calculation of Plates - the calculation of rectangular plate, paragraph [4], cases 2 and 9 – wrong recalculation of force. (Importance - high)
- Refinement of the calculation of width between centres (planet/crown wheel) for non-zero backlash in planetary gearing. (Importance - high)
- Refinement of the interface for SolidEdge ST2. (Importance - high)
- Beams, extended range of input cells (dimensions, load...), added IPE Profile. (Importance - low)
- V-belts (SI version): corrected pulley slot angle (SPZ, SPA, SPB, SPC) for selected diameters. (Importance - low)
- Internal gearing ANSI, refinement of the conditioned formatting for bending safety coefficient. (Importance - low)
New in MITCalc 1.40 (May 24, 2007)
- New worm gearing calculation (DIN, AGMA)
- Integration of the Extension Pack EP06 (bearings III - FAG)
- Chinese language (traditional, simplified)
- Other modifications, corrections and enhancements
- Worm gearing calculation
- The calculation is used for geometrical and strength designs and worm gearing check. Gearing can be designed for selected safety coefficients including optimization e.g. for weight, efficiency, centre-line distance, etc. Worm gearing thermal analysis is added to the calculation of geometry and safety coefficients (wear, seizure, deflection, fatigue break). The calculation is in accordance with DIN 3996, DIN 3975-1, DIN 3975-2 and ANSI/AGMA 6022-C93 and /AGMA 6034-B92. Outputs to 2D and 3D CAD systems are supported.
- Other modifications, corrections and enhancements of MITCalc calculations
- Calculation compatibility with MSOffice 2007 (user interface modifications)
- AutoCAD 2008 support added
- Bearings I - SKF:
- The recommended value of maximum permissible axial load was removed for tapered roller and ball thrust bearings (only applies to bearings mounted with an adapter)
- Ball thrust bearings � the wrong value of radial coefficient "X" was corrected
- Correction of some pictures in roller and needle bearings
- Correction of 3D drawing in some tapered roller bearings
- Correction of 2D and 3D drawing in some spherical-roller thrust bearings
- Bearings II - INCH:
- Correction of the calculation of a pair of ball bearings with oblique contact for "MRC Bearing Group" bearings with contact angle 15�
- Specification of the calculation of life factor a23 precisely to "DIN ISO 281 Bbl 1:2003-04"