Contact Spring Calculations - Revision history

Doduco Admin: Blanked the page

2023-03-27T12:00:13Z

Blanked the page

Doduco Admin: Undo revision 5357 by Doduco Admin (talk)

2023-01-11T06:56:25Z

Undo revision 5357 by Doduco Admin (talk)

Doduco Admin: Undo revision 5358 by Doduco Admin (talk)

2023-01-11T06:56:07Z

Undo revision 5358 by Doduco Admin (talk)

Doduco Admin at 06:55, 11 January 2023

2023-01-11T06:55:40Z

Doduco Admin: Reverted edits by Doduco Redaktion (talk) to last revision by STZAdmin

2023-01-11T06:55:08Z

Reverted edits by Doduco Redaktion (talk) to last revision by STZAdmin

Doduco Redaktion: /* Contact Spring Calculations */

2017-01-27T13:36:00Z

‎Contact Spring Calculations

STZAdmin at 13:27, 20 December 2016

2016-12-20T13:27:44Z

Admin at 13:17, 20 December 2016

2016-12-20T13:17:49Z

Admin at 13:17, 20 December 2016

2016-12-20T13:17:17Z

Teitscheid at 19:37, 20 September 2014

2014-09-20T19:37:20Z

← Older revision		Revision as of 12:00, 27 March 2023
Line 1:		Line 1:
−	{\|
−	~~\|'''Editor''':~~
−	~~\|DODUCO Holding GmbH<br>~~
−	~~Im Altgefäll 12<br>~~
−	~~75181 Pforzheim / Germany<br>~~
−	~~Phone +49 (0) 7231 602-0<br>~~
−	~~Fax +49 (0) 7231 602-398<br>~~
−	~~Mail: info@doduco.net<br>~~
−	\|-
−	~~\|'''Managing Directors''':~~
−	\|
−	~~Dr. Hans-Joachim Dittloff (Vorsitzender)<br>~~
−	~~Dr. Franz Kaspar<br>~~
−	~~Hajo Kufahl<br>~~
−	\|-
−	~~\|'''Registration''':~~
−	~~\|HRB 710592 AG Mannheim~~
−	\|-

−	~~\|'''Consulting and Realisation''':~~
−	~~\|Steinbeis - Transferzentrum Unternehmensentwicklung an der Hochschule Pforzheim (SZUE)<br>~~
−	~~Blücherstraße 32 <br>~~
−	~~75177 Pforzheim <br>~~
−	~~https://www.szue.de/~~
−	\|-
−	~~\|'''Revision and German version''':~~
−	~~\|Christian Teitscheid - Teitscheid Freelance IT<br>~~
−	~~Barbarastraße 22 <br>~~
−	~~47495 Rheinberg <br>~~
−	~~http://www.teitscheid-freelance.de/~~
−	\|-
−	\|}

@@ Line 1: / Line 1: @@
-===<!--6.4.7-->Contact Spring Calculations===
+{|
-<figure id="fig:Oneside_fixed_contact_bending_spring">
+|'''Editor''':
-[[File:One side fixed contact bending spring.jpg|right|thumb|One side fixed contact bending spring]]
+|DODUCO Holding GmbH<br>
-</figure>
+Im Altgefäll 12<br>
-The influence of the dimensions can be illustrated best by using the single side fixed beam model <xr id="fig:Oneside_fixed_contact_bending_spring"/><!--(Fig. 6.20)-->. For small deflections the following equation is valid:
+Pforzheim / Germany<br>
-:$F = \frac{3 \cdot E \cdot J}{L^3} $
+Phone +49 (0) 7231 602-0<br>
-where J is the momentum of inertia of the rectangular cross section of the beam
+|'''Consulting and Realisation''':
-:$J = \frac{B \cdot D^3}{12}$
+|Steinbeis - Transferzentrum Unternehmensentwicklung an der Hochschule Pforzheim (SZUE)<br>
+Blücherstraße 32 <br>
-For springs with a circular cross-sectional area the momentum of inertia is
+Pforzheim <br>
-:$J=\pi D^4/64$
+https://www.szue.de/
-:$D= Durchmesser$
+|-
+|'''Revision and German version''':
-To avoid plastic deformation of the spring the max bending force σ<sub>max</sub> cannot be exceeded
+|Christian Teitscheid - Teitscheid Freelance IT<br>
-:$\sigma_{max} = \frac{3 \cdot E \cdot D}{2L^2}\cdot_{max}$
+Barbarastraße 22 <br>
+Rheinberg <br>
-The stress limit is defined through the fatigue limit and the 0.2% elongation limit resp.
+http://www.teitscheid-freelance.de/
-:$\times_{max} = \frac{2 \cdot L^2}{3 \cdot D \cdot E}R_{p0,2}$
+|-
+|}

@@ Line 1: / Line 1: @@
 ===<!--6.4.7-->Contact Spring Calculations===
 <figure id="fig:Oneside_fixed_contact_bending_spring">
-[[File:One side fixed contact bending spring.jpg|right|thumb|<caption>One side fixed contact bending spring</caption>]]
+[[File:One side fixed contact bending spring.jpg|right|thumb|One side fixed contact bending spring]]
 </figure>
 The influence of the dimensions can be illustrated best by using the single side fixed beam model <xr id="fig:Oneside_fixed_contact_bending_spring"/><!--(Fig. 6.20)-->. For small deflections the following equation is valid:

@@ Line 1: / Line 1: @@
 ===<!--6.4.7-->Contact Spring Calculations===
 <figure id="fig:Oneside_fixed_contact_bending_spring">
-[[File:One side fixed contact bending spring.jpg|right|thumb|One side fixed contact bending spring]]
+[[File:One side fixed contact bending spring.jpg|right|thumb|<caption>One side fixed contact bending spring</caption>]]
 </figure>
 The influence of the dimensions can be illustrated best by using the single side fixed beam model <xr id="fig:Oneside_fixed_contact_bending_spring"/><!--(Fig. 6.20)-->. For small deflections the following equation is valid:

@@ Line 1: / Line 1: @@
-{|
+===<!--6.4.7-->Contact Spring Calculations===
-|'''Editor''':
+<figure id="fig:Oneside_fixed_contact_bending_spring">
-|DODUCO Holding GmbH<br>
+[[File:One side fixed contact bending spring.jpg|right|thumb|One side fixed contact bending spring]]
-Im Altgefäll 12<br>
+</figure>
-Pforzheim / Germany<br>
+The influence of the dimensions can be illustrated best by using the single side fixed beam model <xr id="fig:Oneside_fixed_contact_bending_spring"/><!--(Fig. 6.20)-->. For small deflections the following equation is valid:
-Phone +49 (0) 7231 602-0<br>
+:$F = \frac{3 \cdot E \cdot J}{L^3} $
-|'''Consulting and Realisation''':
+where J is the momentum of inertia of the rectangular cross section of the beam
-|Steinbeis - Transferzentrum Unternehmensentwicklung an der Hochschule Pforzheim (SZUE)<br>
+:$J = \frac{B \cdot D^3}{12}$
-Blücherstraße 32 <br>
-Pforzheim <br>
+For springs with a circular cross-sectional area the momentum of inertia is
-https://www.szue.de/
+:$J=\pi D^4/64$
-|-
+:$D= Durchmesser$
-|'''Revision and German version''':
-|Christian Teitscheid - Teitscheid Freelance IT<br>
+To avoid plastic deformation of the spring the max bending force σ<sub>max</sub> cannot be exceeded
-Barbarastraße 22 <br>
+:$\sigma_{max} = \frac{3 \cdot E \cdot D}{2L^2}\cdot_{max}$
-Rheinberg <br>
-http://www.teitscheid-freelance.de/
+The stress limit is defined through the fatigue limit and the 0.2% elongation limit resp.
-|-
+:$\times_{max} = \frac{2 \cdot L^2}{3 \cdot D \cdot E}R_{p0,2}$
-|}

← Older revision		Revision as of 13:27, 20 December 2016
Line 50:		Line 50:
	</ul>		</ul>

−	~~<ul><li>--</li></ul>~~

	==References==		==References==

@@ Line 49: / Line 49: @@
 :$\sigma_{max}= \frac{18 \cdot F \cdot L}{(2 + B_{min} /B_{max}) \cdot B_{max} \cdot D^2 }$
 </ul>
 ==References==
@@ Line 54: / Line 56: @@
 [[de:Berechnung_von_Kontaktfedern]]

@@ Line 4: / Line 4: @@
 </figure>
 The influence of the dimensions can be illustrated best by using the single side fixed beam model <xr id="fig:Oneside_fixed_contact_bending_spring"/><!--(Fig. 6.20)-->. For small deflections the following equation is valid:
-:<math>F = \frac{3 \cdot E \cdot J}{L^3} </math>
+:$F = \frac{3 \cdot E \cdot J}{L^3} $
 where J is the momentum of inertia of the rectangular cross section of the beam
-:<math>J = \frac{B \cdot D^3}{12}</math>
+:$J = \frac{B \cdot D^3}{12}$
 For springs with a circular cross-sectional area the momentum of inertia is
-:<math>J=\pi D^4/64</math>
+:$J=\pi D^4/64$
-:<math>D= Durchmesser</math>
+:$D= Durchmesser$
 To avoid plastic deformation of the spring the max bending force σ<sub>max</sub> cannot be exceeded
-:<math>\sigma_{max} = \frac{3 \cdot E \cdot D}{2L^2}\cdot_{max}</math>
+:$\sigma_{max} = \frac{3 \cdot E \cdot D}{2L^2}\cdot_{max}$
 The stress limit is defined through the fatigue limit and the 0.2% elongation limit resp.
-:<math>\times_{max} = \frac{2 \cdot L^2}{3 \cdot D \cdot E}R_{p0,2}</math>
+:$\times_{max} = \frac{2 \cdot L^2}{3 \cdot D \cdot E}R_{p0,2}$
 <br />and/or<br />
-:<math>F_{max} = \frac{B \cdot D^2}{6L}R_{p0,2}</math>
+:$F_{max} = \frac{B \cdot D^2}{6L}R_{p0,2}$
@@ Line 28: / Line 28: @@
 Deflection
-:<math> \times = \frac{F}{2 \cdot E \cdot J}L^3</math>
+:$ \times = \frac{F}{2 \cdot E \cdot J}L^3$
-:<math>= \frac{6 \cdot F}{E \cdot B}\cdot \frac{L^3}{D^3}</math>
+:$= \frac{6 \cdot F}{E \cdot B}\cdot \frac{L^3}{D^3}$
 Max. bending force
-:<math>\sigma_{max}= \frac{18 \cdot F \cdot L}{B \cdot D^2}</math>
+:$\sigma_{max}= \frac{18 \cdot F \cdot L}{B \cdot D^2}$
 <li>'''Trapezoidal spring'''</li>
 Deflection
-:<math> \times = \frac{F}{(2 + B_{min} /B_{max})}\times \frac{L^3}{E \cdot J}</math>
+:$ \times = \frac{F}{(2 + B_{min} /B_{max})}\times \frac{L^3}{E \cdot J}$
-:<math>\times= \frac{12 \cdot F}{(2 + B_{min} /B_{max})}\cdot \frac{L^3}{E \cdot B \cdot D^3}</math>
+:$\times= \frac{12 \cdot F}{(2 + B_{min} /B_{max})}\cdot \frac{L^3}{E \cdot B \cdot D^3}$
 Max. bending force
-:<math>\sigma_{max}= \frac{18 \cdot F \cdot L}{(2 + B_{min} /B_{max}) \cdot B_{max} \cdot D^2 }</math>
+:$\sigma_{max}= \frac{18 \cdot F \cdot L}{(2 + B_{min} /B_{max}) \cdot B_{max} \cdot D^2 }$
 </ul>
@@ Line 55: / Line 55: @@
 [[de:Berechnung_von_Kontaktfedern]]