JIS G Piano wires (Foreign Standard). standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/ View all product. Find the most up-to-date version of JIS G at Engineering JIS G Piano wires (Foreign Standard). Available for Subscriptions. Content Provider Japanese Industrial Standards [JIS].

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Shortcuts for Quick view were unified for all programs to show Quick View by means of key combination Alt-V iew and then 1,2,3,4 for Quick1,2,3,4 View.

DBF from static shear strength and pulsating shear strength of compression springs.

Simply modify period from 1 sec into 5 sec. I found some mistakes corrected:. In the JIS example, permissible shear stress 0.

Database with international material names was extended by material names according to Chinese and Indian Standard, and by ISO material names his well.

Calculation with and without load spectrum must lead to equal results.

You can create 6 different Woehler curves in WST1: Calculated lifetime in hours is 13 times higher in load cycles 2. Calculated lifetime in hours is now 5 times higher than in continuous duty. Calculated lifetime in hours is 6 times higher in load kis as in continuous duty with 2 Hz.

JIS G – Piano wires (Foreign Standard)

By this you can see if and how bedding of the spring can be modified to prevent buckling of the spring. Self-defined material data are saved together with the spring dimensions. This simple construction does not completely match with jiss measured fatigue strength diagram, but approximation may be sufficient for a new material with unknown fatigue strength properties.

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According to JIS, horizontal limit line depends on permissible setting of the spring and may be higher or lower as 0. And also for 2. Spring operates 1 second and makes 2 load cycles at 2 35222.

Room licenses for education are no longer 35222 to any computer in one room, but limited to simultaneous access to maximal 20 workstations in a room. Load spectrum includes only one share with L1, L2, and number of load cycles.

Therefore, load cycle frequency is no longer printed in the production drawing for this case. Changes are not described. Japanese standard JIS B Our compression spring software provide now five types of fatigue strength diagram: Tables can be displayed as help for input of friction coefficients.

In equationthe “mzu” for reduced thread length by chamfers was changed from 1. Min and max values of the alloy components are drawn in a logarithmic scale so that even small shares are visible. It is approximately identical with the release of December Period jls now be entered in seconds as well as minutes, hours, days and years.

Then 48 minutes stop period.

Obviously, only the most conspicuous mistakes have been corrected. This eases input for special bedding on 2, 3, 4 or 5 bearings.

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If ISO title block with 10 mm sheet border was configured, some tables in A4 production drawings are now compressed so that drawing content no longer interfere with 10 mm border. And database has been updated, so that alloy components of almost every steel material in the database are included now.

Load cycle frequency is 2 Hz. Then 4 seconds stop period. Pulsating shear strength and static shear strength permissible shear stress together with tensile strength is sufficient to create a fatigue strength diagram. If period 1 sec defined, input 2 load cycles for 2Hz. New release of VDI was issued in November Load cycle frequency 2 Hz, makes load cycles in 4 minutes. These thermal expansion coefficients are calculated, marked between the known temperatures i.

New Quick4 View includes material properties 35522 diagrams in an ISO drawing frame on one screen. Nevertheless, better select material from database, else the software cannot calculate important spring properties:.

Info No. 154 – Nov./Dec. 2015

And not even these corrections done consequently. At “Animation” you can watch his the spring begins to buckle. Same as previous example, but spring is not operated in continuous duty.