Skip to Content

Wiki source code of Load frame

Version 15.1 by fwilde on 2023/10/05 18:09
Show last authors
1 == {{id name="Loadframe-"/}} ==
2
3 {{toc/}}
4
5 == {{id name="Loadframe-Overview"/}}Overview ==
6
7 [[image:attach:DSC_0006.JPG||width="400"]]
8
9 * Forces up to 1 kN (both pushing or pulling)
10 * Load cells 20N, 50N, 100N, 200N, 500N and 1000N available
11 * Fully integrated into control and logging system
12
13 == {{id name="Loadframe-Actuator"/}}Actuator ==
14
15 [[image:attach:DSC_0020.JPG||height="250"]][[image:attach:DSC_0021.JPG||height="250"]]
16
17 (% class="wrapped" %)
18 |=(((
19 PIMicos MA-35
20 )))|=(((
21 \\
22 )))
23 |(((
24 max. load (in travel direction)
25 )))|(((
26 1000N
27 )))
28 |(((
29 Travel range
30 )))|(((
31 ? mm
32 )))
33 |(((
34 min speed
35 )))|(((
36 ? µm/s
37 )))
38 |(((
39 max. speed
40 )))|(((
41 ? µm/s
42 )))
43 |(((
44 Step width
45 )))|(((
46 ? µm
47 )))
48 |(((
49 fine pitch hread
50 )))|(((
51 (% class="content-wrapper" %)
52 (((
53 M8 x 0.5 ???
54 )))
55 )))
56
57 == {{id name="Loadframe-Loadcells"/}}Load cells ==
58
59 Two types of load cells are available with different diameters with the following force range
60
61 (% class="relative-table wrapped" style="width: 23.2261%;" %)
62 |(% colspan="2" %)(((
63 (% class="content-wrapper" %)
64 (((
65 [[image:attach:DSC_0031.JPG||align="center" height="250"]]
66 )))
67 )))
68 |=(% style="text-align: center;" %)(((
69 large
70 )))|=(% style="text-align: center;" %)(((
71 small
72 )))
73 |(% style="text-align: center;" %)(((
74 20 N
75 )))|(% style="text-align: center;" %)(((
76 -
77 )))
78 |(% style="text-align: center;" %)(((
79 50 N
80 )))|(% style="text-align: center;" %)(((
81 -
82 )))
83 |(% style="text-align: center;" %)(((
84 100 N
85 )))|(% style="text-align: center;" %)(((
86 -
87 )))
88 |(% style="text-align: center;" %)(((
89 200 N
90 )))|(% style="text-align: center;" %)(((
91 200 N
92 )))
93 |(% style="text-align: center;" %)(((
94 -
95 )))|(% style="text-align: center;" %)(((
96 500 N
97 )))
98 |(% style="text-align: center;" %)(((
99 -
100 )))|(% style="text-align: center;" %)(((
101 1000 N
102 )))
103 |(((
104 thread: M8 (max  len 15 mm)
105 )))|(((
106 thread: M4 (max len 5 mm)
107 )))
108
109 == {{id name="Loadframe-Loadframeassembly"/}}Load frame assembly ==
110
111 Considering different applications (high forces, low forces, pushing or pulling) the assembly follows slightly different paths. Generally, assembling the load frame can be broken down into these steps:
112
113 * Install a base plate on the rotation stage (use spacers, decide which plate to use)
114 * Mount load cell on base plate with desired pin or clamp (depending on push or pull experiments)
115 * Mount sample tube (choose the tube type according to your application)
116 * Mount pusher
117
118 === {{id name="Loadframe-Largeloadcellinstallation"/}}Large load cell installation ===
119
120 For the large load cell a specific base plate has to be used
121
122 (% class="wrapped" %)
123 |(% style="text-align: center;" %)(((
124 (% class="content-wrapper" %)
125 (((
126 [[image:attach:DSC_0032.JPG||alt="Base plate with load cell" title="Base plate with load cell" height="250"]]
127 )))
128 )))|(% style="text-align: center;" %)(((
129 (% class="content-wrapper" %)
130 (((
131 [[image:attach:DSC_0033.JPG||height="250"]]
132 )))
133 )))
134 |(% style="text-align: center;" %)(((
135 Base plate with load cell
136 )))|(% style="text-align: center;" %)(((
137 Load cell with pin used for pulling
138 )))
139
140 Mount bridge and guide - there are two different types of tube, so assembly depends on your choice of tube:
141
142 ==== {{id name="Loadframe-Tubewiththreadring"/}}Tube with thread ring ====
143
144 (% class="wrapped" %)
145 |(% style="text-align: center;" %)(((
146 (% class="content-wrapper" %)
147 (((
148 [[image:attach:DSC_0034.JPG||height="250"]]
149 )))
150 )))|(% style="text-align: center;" %)(((
151 (% class="content-wrapper" %)
152 (((
153 [[image:attach:DSC_0035.JPG||height="250"]]
154 )))
155 )))|(% style="text-align: center;" %)(((
156 (% class="content-wrapper" %)
157 (((
158 [[image:attach:DSC_0036.JPG||height="250"]]
159 )))
160 )))
161 |(% style="text-align: center;" %)(((
162 Bridge
163 )))|(% style="text-align: center;" %)(((
164 Brigde and pin guide
165 )))|(% style="text-align: center;" %)(((
166 Tube with thread ring
167 )))
168
169 ==== {{id name="Loadframe-Tubewithinternalthread"/}}Tube with internal thread ====
170
171 (% class="wrapped" %)
172 |(% style="text-align: center;" %)(((
173 (% class="content-wrapper" %)
174 (((
175 [[image:attach:DSC_0034.JPG||height="250"]]
176 )))
177 )))|(% style="text-align: center;" %)(((
178 (% class="content-wrapper" %)
179 (((
180 [[image:attach:DSC_0037.JPG||thumbnail="true" height="250"]]
181 )))
182 )))|(% style="text-align: center;" %)(((
183 (% class="content-wrapper" %)
184 (((
185 [[image:attach:DSC_0038.JPG||height="250"]]
186 )))
187 )))
188 |(% style="text-align: center;" %)(((
189 Bridge
190 )))|(% style="text-align: center;" %)(((
191 Bridge and pin guide
192 )))|(% style="text-align: center;" %)(((
193 Tube with internal thread
194 )))
195
196 == {{id name="Loadframe-Smallloadcellinstallation"/}}Small load cell installation ==
197
198 For the small load cell a specific base plate has to be used
199
200 |(% style="text-align: center;" %)(((
201 (% class="content-wrapper" %)
202 (((
203 [[image:attach:DSC_0039.JPG||height="250"]]
204 )))
205 )))|(% style="text-align: center;" %)(((
206 (% class="content-wrapper" %)
207 (((
208 [[image:attach:DSC_0040.JPG||height="250"]]
209 )))
210 )))
211 |(% style="text-align: center;" %)(((
212 Base plate with load cell
213 )))|(% style="text-align: center;" %)(((
214 Load cell with pin used for pulling
215 )))
216
217 Mount pin guide and bridge - there are two different types of tube, so assembly depends on your choice of tube:
218
219 ==== {{id name="Loadframe-Tubewiththreadring"/}}Tube with thread ring ====
220
221 |(((
222 [[image:attach:DSC_0041.JPG||height="250"]]
223 )))|(((
224 (% class="content-wrapper" %)
225 (((
226 [[image:attach:DSC_0042.JPG||height="250"]]
227 )))
228 )))
229 |(((
230 Pin guide, no bridge necessary
231 )))|(((
232 Tube with thread ring
233 )))
234
235 ==== {{id name="Loadframe-Tubewithinternalthread"/}}Tube with internal thread ====
236
237 |(% style="text-align: center;" %)(((
238 (% class="content-wrapper" %)
239 (((
240 [[image:attach:DSC_0043.JPG||height="250"]]
241 )))
242 )))|(% style="text-align: center;" %)(((
243 (% class="content-wrapper" %)
244 (((
245 [[image:attach:DSC_0044.JPG||height="250"]]
246 )))
247 )))|(% style="text-align: center;" %)(((
248 (% class="content-wrapper" %)
249 (((
250 [[image:attach:DSC_0045.JPG||height="250"]]
251 )))
252 )))|(% style="text-align: center;" %)(((
253 (% class="content-wrapper" %)
254 (((
255 [[image:attach:DSC_0046.JPG||height="250"]]
256 )))
257 )))
258 |(% style="text-align: center;" %)(((
259 Pin guide
260 )))|(% style="text-align: center;" %)(((
261 Bridge
262 )))|(% style="text-align: center;" %)(((
263 Optionally: insert push pin
264 )))|(% style="text-align: center;" %)(((
265 Tube with internal thread
266 )))
267
268 == {{id name="Loadframe-Reference"/}}Reference ==
269
270 Moosmann et al. "A load frame for in situ tomography at PETRA III", Proc. SPIE 11113, Developments in X-Ray Tomography XII, 1111318 (2019); [[https:~~/~~/doi.org/10.1117/12.2530445>>url:https://doi.org/10.1117/12.2530445||rel="nofollow" shape="rect"]]
271
272 \\