{"id":1021,"date":"2020-01-22T18:54:20","date_gmt":"2020-01-22T17:54:20","guid":{"rendered":"https:\/\/www.mollificiomodenese.it\/glossario\/"},"modified":"2023-10-31T09:14:11","modified_gmt":"2023-10-31T08:14:11","slug":"glossary","status":"publish","type":"page","link":"https:\/\/www.mollificiomodenese.it\/en\/insights\/glossary\/","title":{"rendered":"Glossary"},"content":{"rendered":"

[vc_section css=”.vc_custom_1580193122610{padding-bottom: 100px !important;background-color: #eeeeee !important;}”][vc_row gap=”35″][vc_column width=”2\/3″][vc_column_text]<\/p>\n

Spring:<\/h2>\n

Mechanical device that can store energy when it is deformed and return an equivalent amount of energy when it is released.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text css=”.vc_custom_1585047918418{margin-top: 0px !important;padding-top: 0px !important;}”]<\/p>\n

Compression spring:<\/h2>\n

Spring which reacts to a compressive axial force which tends to decrease the length of the spring. The compression springs are also called pressure springs. They consist of a wire with a circular, square or rectangular cross section, wound in a helix around an axis, with coils that do not touch. The helical compression springs are generally cylindrical in shape, although there are other forms, such as for example conical, biconical (convex, barrel springs; concave: hourglass springs) or tapered.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Tension spring:<\/h2>\n

Spring which reacts to an axial force which tends to extend the length of the spring, with or without initial tension. Tension springs are also called pulling or drawing springs Tension springs are usually made from circular cross section wire, wrapped helically around an axis, with coils in contact or not.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Torsion Spring:<\/h2>\n

Spring which reacts to a torsional moment around the spring\u2019s longitudinal axis. They are usually made up of circular cross section wire, wrapped helically around an axis and with ends suitable for transmitting torque. [\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Torsion bar:<\/h2>\n

torsion spring composed of rectilinear bars or rods with a defined section.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Belleville washers:<\/h2>\n

Spring washer shaped like a truncated cone, with a constant material thickness, capable of withstanding high loads with greatly reduced deflection.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Number of active coils:<\/h2>\n

Number of coils used to calculate the maximum deflection of the spring.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Total number of coils (of the compression springs):<\/h2>\n

Number of active coils plus the coils that form the ends.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Maximum deflection:<\/h2>\n

Movement of the spring\u2019s free position to that of the maximum load.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Force:<\/h2>\n

Force exerted by the spring in deformed condition compared to free state, in order to reproduce or modify a movement, or to maintain a balanced system of forces.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Wind direction:<\/h2>\n

Direction in which the coils wind, viewed by an observer placed at one end of the spring. The winding direction is right (RH) if the coil moves away winding clockwise; left (LH) if the coil moves away winding counterclockwise.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Free length :<\/h2>\n

Total length of a spring on which no external force is applied.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Solid length:<\/h2>\n

Overall length of a compression spring when the coils are completely in contact. It is also called the spring\u2019s packed length.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Slackening:<\/h2>\n

Decrease in reaction forces of a deformed spring in a fixed position, depending on time.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Spring load:<\/h2>\n

Force exerted by or on a spring when it is pulled or compressed to a defined length.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Spring pitch:<\/h2>\n

Distance from centre to centre of the wire in adjacent active coils.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Stress relief tempering:<\/h2>\n

Suppression of the residual stresses generated by the spring forming process, by means of a low temperature heat treatment carried out after winding or bending. Depending on the heat treatment carried out, stress relief tempering is also called: “stress distension\u201d, “stabilisation of loads”, “tempering”, “annealing\u201d.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text]<\/p>\n

Initial tension:<\/h2>\n

Force induced in the tension springs during winding. It keeps the coils close; so that the coils start to open a force greater than the initial one must be applied to the tension spring.[\/vc_column_text][\/vc_column][vc_column width=”1\/3″ css=”.vc_custom_1580149465633{border-left-width: 1px !important;border-left-color: #004f9f !important;border-left-style: solid !important;}”][vc_widget_sidebar sidebar_id=”sidebar-3″][\/vc_column][\/vc_row][\/vc_section]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_section css=”.vc_custom_1580193122610{padding-bottom: 100px !important;background-color: #eeeeee !important;}”][vc_row gap=”35″][vc_column width=”2\/3″][vc_column_text] Spring: Mechanical device that can store energy when it is deformed and return an equivalent amount of energy when it is released.[\/vc_column_text][vc_single_image image=”30″ alignment=”center” css=”.vc_custom_1579790986509{margin-top: 30px !important;border-top-width: 1px !important;}” el_class=”img-molla”][vc_column_text css=”.vc_custom_1585047918418{margin-top: 0px !important;padding-top: 0px !important;}”] Compression spring: Spring which reacts to a compressive axial force which tends […]<\/p>\n","protected":false},"author":5,"featured_media":979,"parent":3228,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1021","page","type-page","status-publish","hentry"],"yoast_head":"\nMollificio Modenese \u2013 Glossary<\/title>\n<meta name=\"description\" content=\"Glossary of technical terms on Mollificio Modenese srl springs. 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