| When
| Version
| What
|
|
11/19/25
|
3.04.1119
|
For UN and metric 60° threads, the software was specifying major diameters of work rings that were not in compliance with the standards.
The major diameter is supposed to "clear" the maximum major diameter of the corresponding setting plug.
The software now sets the minimum major diameter of a work ring to that diameter. There is no tolerance or maximum diameter.
Corrected product specs printouts : wires and balls were not showing digits before the decimal point.
|
|
9/27/21
|
3.00.0927
|
Corrected several tabulated PD tolerance and min PD values from B1.1-2019, in the sizes :
1.1875-28 UN-3A, 1-8 UNC-2A, 1.125-7 UNC-2A, 1.75-20 UN-2A, 3-16 UN-2A, 6-8 UN-2A.
|
|
8/16/21
|
3.00.0816 |
Corrected tolerance calculations for non-tabulated metric sizes. An error first appeared in Version
3.00.0405
|
|
4/5/21
|
3.00.0405 |
Added support for metric trapezoidal threads
Added support for STI and metric STI threads
Updated UN, UNR, UNJ dimensions to comply with ASME B1.1-2019
This includes correcting some 3B pitch diameter tolerances
Show 6 decimal places for coating thickness
Corrected the minor diameters of some NOT GO work rings for MJB buttress
threads, applying the Taylor Principle
Corrected the major diameter tolerances for small diameter General Purpose Acme threads
|
| When
| Version
| What
|
|
7/6/18
|
1.04.0706
|
Tabulated values for UNJ classes 2A and 2B have been included.
Additional corrections were made to UNJ class 2A GO Work Ring minor diameters.
Previously displayed tolerances for UNJ class 2B minor diameter tolerances were incorrect.
Both tabulated and calculated values, including the maximum minor diameters, have been corrected.
Correction to MJB buttress : gage lead tolerances had been reported in inch, should be metric.
|
|
9/26/17
|
1.03.0912
|
The user can choose between 4 and 5 decimal places for threads using inch units.
Internal Metric threads can now use the (nonmandatory) "E" tolerance position.
Now available with both standalone and network editions : option to use H28-1969 value for UN external maximum minor diameter.
Now available with both standalone and network editions : option to use B1.5 Appendix B for multi-start Acme threads.
Bug fix : Grade 6 minor diameter tolerances for non-standard MJ internal threads were corrected.
Bug fix : Full form major diameters of NOT GO UN set plugs for some small sizes were corrected.
Bug fix : The maximum minor diameters of GO work rings for some UNJ class 2A threads were corrected.
|
|
7/22/16
|
1.02.0722
|
Option to use H28-1969 value for UN external maximum minor diameter corrected for classes 1A and 2A.
(Formerly network edition only)
|
|
6/29/16
|
1.02.0629
|
Option to use H28-1969 value for UN external maximum minor diameter.
(Formerly network edition only)
Option to use B1.5 Appendix B for multi-start Acme threads.
(Formerly network edition only)
|
|
5/4/16
|
1.02.0504
|
Corrected pitch diameter tolerances for 1A and 2B UN threads. The calculated tolerances for standard sizes were using a length of engagement
equal to 9 pitches, even when the length of engagement should have been set to the basic major diameter.
|
|
10/13/15
|
1.01.1013
|
New : lead and flank tolerances for gages shown on screen and print
New : User can now enter actual wire size in units different from default, e.g. in inches for a metric thread
New : UN external max minor diameter now conforms to B1.1-2003 Paragraph 8.3.1
Fixed error in tolerances for some buttress class W plugs
Fixed rare bug triggered by incorrectly formatted designations
|
|
2/13/15
|
1.01.0213
|
Warn that certain metric pitch and class combinations are invalid
Fix minor tolerance rounding errors for some special UN thread sizes
A 30-day trial version is available
|
|
10/13/14
|
1.00.1013
|
Minor corrections to the display of UNR dimensions
Tabulated values for 4.625-12 UNJ-3B minor diameter corrected
Users can now enter small sizes with the #-style designation, e.g. #5 for .125" diameter
|
| 9/19/14 |
1.00.0919 |
Correction to lead angle for tabulated 60° UN and metric threads with multiple starts
|
| Earlier |
Prior to
1.00.0919 |
Allowances for coatings supported
Non-standard size-pitch combinations flagged by yellow highlight
Some invalid values flagged by red highlight
|