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Changes for page Load frame

Last modified by fwilde on 2025/04/28 17:23
From version 5.1
edited by fwilde
on 2023/10/05 16:45
Change comment: There is no comment for this version
To version 30.3
edited by fwilde
on 2025/04/28 14:41
Change comment: There is no comment for this version

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1 -== {{id name="Loadframe-Overview"/}}Overview ==
1 +{{toc/}}
2 2  
3 -[[image:attach:DSC_0006.JPG||height="400"]]
3 += Overview =
4 4  
5 +[[image:attach:DSC_0006.JPG||width="400"]]
6 +
7 +
5 5  * Forces up to 1 kN (both pushing or pulling)
6 6  * Load cells 20N, 50N, 100N, 200N, 500N and 1000N available
7 7  * Fully integrated into control and logging system
8 8  
9 -== {{id name="Loadframe-Actuator"/}}Actuator ==
12 += Actuator =
10 10  
11 -The actuator is a customized PiMicos MA-35 actuator with a maximum load of 1000 N.
14 +[[image:attach:DSC_0020.JPG||height="250"]][[image:attach:DSC_0021.JPG||height="250"]]
12 12  
13 -More information: 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"]]
16 +(% class="wrapped" %)
17 +|=(((
18 +PIMicos MA-35
19 +)))|=(((
20 +
21 +)))
22 +|(((
23 +max. load (in travel direction)
24 +)))|(((
25 +1000N
26 +)))
27 +|(((
28 +Travel range
29 +)))|(((
30 +45 mm
31 +)))
32 +|(((
33 +max. speed
34 +)))|(((
35 +5000 µm/s
36 +)))
37 +|(((
38 +Step width
39 +)))|(((
40 +1/20 µm
41 +)))
42 +|(((
43 +fine pitch thread
44 +)))|(((
45 +(% class="content-wrapper" %)
46 +(((
47 +M(8 x 1.0) x 45
48 +)))
49 +)))
14 14  
15 -\\
51 += Load cells =
52 +
53 +Two types of load cells are available with different diameters with the following force range
54 +
55 +(% class="relative-table wrapped" style="width:23.2261%" %)
56 +|(% colspan="2" %)(((
57 +(% class="content-wrapper" %)
58 +(((
59 +[[image:attach:DSC_0031.JPG||height="250" style="vertical-align:middle"]]
60 +)))
61 +)))
62 +|=(% style="text-align: center;" %)(((
63 +large
64 +)))|=(% style="text-align: center;" %)(((
65 +small
66 +)))
67 +|(% style="text-align:center" %)(((
68 +20 N
69 +)))|(% style="text-align:center" %)(((
70 +-
71 +)))
72 +|(% style="text-align:center" %)(((
73 +50 N
74 +)))|(% style="text-align:center" %)(((
75 +-
76 +)))
77 +|(% style="text-align:center" %)(((
78 +100 N
79 +)))|(% style="text-align:center" %)(((
80 +-
81 +)))
82 +|(% style="text-align:center" %)(((
83 +200 N
84 +)))|(% style="text-align:center" %)(((
85 +200 N
86 +)))
87 +|(% style="text-align:center" %)(((
88 +-
89 +)))|(% style="text-align:center" %)(((
90 +500 N
91 +)))
92 +|(% style="text-align:center" %)(((
93 +-
94 +)))|(% style="text-align:center" %)(((
95 +1000 N
96 +)))
97 +|(((
98 +thread: M8 (max  len 15 mm)
99 +)))|(((
100 +thread: M4 (max len 6 mm)
101 +)))
102 +
103 += Load frame assembly =
104 +
105 +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:
106 +
107 +* Install a base plate on the rotation stage (use spacers, decide which plate to use)
108 +* Mount load cell on base plate with desired pin or clamp (depending on push or pull experiments)
109 +* Mount sample tube (choose the tube type according to your application)
110 +* Mount pusher
111 +
112 +== Large load cell installation ==
113 +
114 +For the large load cell a specific base plate has to be used
115 +
116 +(% class="wrapped" %)
117 +|(% style="text-align:center" %)(((
118 +(% class="content-wrapper" %)
119 +(((
120 +[[image:attach:DSC_0032.JPG||alt="Base plate with load cell" height="250" title="Base plate with load cell"]]
121 +)))
122 +)))|(% style="text-align:center" %)(((
123 +(% class="content-wrapper" %)
124 +(((
125 +[[image:attach:DSC_0033.JPG||height="250"]]
126 +)))
127 +)))
128 +|(% style="text-align:center" %)(((
129 +Base plate with load cell
130 +)))|(% style="text-align:center" %)(((
131 +Load cell with pin (M5 thread)
132 +)))
133 +
134 +Mount bridge and guide - there are two different types of tube, so assembly depends on your choice of tube:
135 +
136 +=== Tube with thread ring ===
137 +
138 +(% class="wrapped" %)
139 +|(% style="text-align:center" %)(((
140 +(% class="content-wrapper" %)
141 +(((
142 +[[image:attach:DSC_0034.JPG||height="250"]]
143 +)))
144 +)))|(% style="text-align:center" %)(((
145 +(% class="content-wrapper" %)
146 +(((
147 +[[image:attach:DSC_0035.JPG||height="250"]]
148 +)))
149 +)))|(% style="text-align:center" %)(((
150 +(% class="content-wrapper" %)
151 +(((
152 +[[image:attach:DSC_0036.JPG||height="250"]]
153 +)))
154 +)))
155 +|(% style="text-align:center" %)(((
156 +Bridge
157 +)))|(% style="text-align:center" %)(((
158 +Brigde and pin guide
159 +)))|(% style="text-align:center" %)(((
160 +Tube with thread ring
161 +)))
162 +
163 +=== Tube with internal thread ===
164 +
165 +(% class="wrapped" %)
166 +|(% style="text-align:center" %)(((
167 +(% class="content-wrapper" %)
168 +(((
169 +[[image:attach:DSC_0034.JPG||height="250"]]
170 +)))
171 +)))|(% style="text-align:center" %)(((
172 +(% class="content-wrapper" %)
173 +(((
174 +[[image:attach:DSC_0037.JPG||thumbnail="true" height="250"]]
175 +)))
176 +)))|(% style="text-align:center" %)(((
177 +(% class="content-wrapper" %)
178 +(((
179 +[[image:attach:DSC_0038.JPG||height="250"]]
180 +)))
181 +)))
182 +|(% style="text-align:center" %)(((
183 +Bridge
184 +)))|(% style="text-align:center" %)(((
185 +Bridge and pin guide
186 +)))|(% style="text-align:center" %)(((
187 +Tube with internal thread
188 +)))
189 +
190 +=== Load cell pin for pulling ===
191 +
192 +(% class="wrapped" %)
193 +|(% colspan="2" %)(((
194 +(% class="content-wrapper" %)
195 +(((
196 +[[image:attach:loadcell_pin_large.JPG||height="250"]]
197 +)))
198 +)))
199 +|(((
200 +Total length
201 +)))|(((
202 +56 mm
203 +)))
204 +|(((
205 +Thread at load cell
206 +)))|(((
207 +M8 x 6
208 +)))
209 +|(((
210 +Thread top part
211 +)))|(((
212 +M5 x 14
213 +)))
214 +|(((
215 +Pin guide in brigde diameter
216 +)))|(((
217 +6 mm
218 +)))
219 +
220 +== Small load cell installation ==
221 +
222 +For the small load cell a specific base plate has to be used
223 +
224 +(% class="wrapped" %)
225 +|(% style="text-align:center" %)(((
226 +(% class="content-wrapper" %)
227 +(((
228 +[[image:attach:DSC_0039.JPG||height="250"]]
229 +)))
230 +)))|(% style="text-align:center" %)(((
231 +(% class="content-wrapper" %)
232 +(((
233 +[[image:attach:DSC_0040.JPG||height="250"]]
234 +)))
235 +)))
236 +|(% style="text-align:center" %)(((
237 +Base plate with load cell
238 +)))|(% style="text-align:center" %)(((
239 +Load cell with pin used for pulling
240 +)))
241 +
242 +Mount pin guide and bridge - there are two different types of tube, so assembly depends on your choice of tube:
243 +
244 +=== Tube with thread ring ===
245 +
246 +(% class="wrapped" %)
247 +|(((
248 +(% class="content-wrapper" %)
249 +(((
250 +[[image:attach:DSC_0041.JPG||height="250"]]
251 +)))
252 +)))|(((
253 +(% class="content-wrapper" %)
254 +(((
255 +[[image:attach:DSC_0042.JPG||height="250"]]
256 +)))
257 +)))
258 +|(((
259 +Pin guide, no bridge necessary
260 +
261 +Distance top load cell - top bridge surface: 23.5mm (+ 6 mm thread of load cell)
262 +
263 +For own
264 +)))|(((
265 +Tube with thread ring
266 +)))
267 +
268 +=== Tube with internal thread ===
269 +
270 +(% class="wrapped" %)
271 +|(% style="text-align:center" %)(((
272 +(% class="content-wrapper" %)
273 +(((
274 +[[image:attach:DSC_0043.JPG||height="250"]]
275 +)))
276 +)))|(% style="text-align:center" %)(((
277 +(% class="content-wrapper" %)
278 +(((
279 +[[image:attach:DSC_0044.JPG||height="250"]]
280 +)))
281 +)))|(% style="text-align:center" %)(((
282 +(% class="content-wrapper" %)
283 +(((
284 +[[image:attach:DSC_0045.JPG||height="250"]]
285 +)))
286 +)))|(% style="text-align:center" %)(((
287 +(% class="content-wrapper" %)
288 +(((
289 +[[image:attach:DSC_0046.JPG||height="250"]]
290 +)))
291 +)))
292 +|(% style="text-align:center" %)(((
293 +Pin guide
294 +)))|(% style="text-align:center" %)(((
295 +Bridge
296 +)))|(% style="text-align:center" %)(((
297 +Optionally: insert push pin
298 +)))|(% style="text-align:center" %)(((
299 +Tube with internal thread
300 +)))
301 +
302 +=== Load cell pin for pulling ===
303 +
304 +(% class="wrapped" %)
305 +|(% colspan="2" %)(((
306 +(% class="content-wrapper" %)
307 +(((
308 +[[image:attach:loadcell_pin_small.JPG||height="250"]]
309 +)))
310 +)))
311 +|(((
312 +Total length
313 +)))|(((
314 +80 mm
315 +)))
316 +|(((
317 +Thread at load cell
318 +)))|(((
319 +M4 x 4
320 +)))
321 +|(((
322 +Thread top part
323 +)))|(((
324 +M5 x 35
325 +)))
326 +|(((
327 +Pin guide in brigde diameter
328 +)))|(((
329 +6 mm
330 +)))
331 +
332 += Tubes =
333 +
334 +{{info title="Tubes"}}
335 +There are different tubes available at the beamline. Should the tube be unsuitable for your sample, a new tube can be manufactured. Please contact the beamline staff well in advance of your beamtime.
336 +{{/info}}
337 +
338 +(% class="wrapped" %)
339 +|(% style="text-align:center" %)(((
340 +(% class="content-wrapper" %)
341 +(((
342 +[[image:attach:DSC_0028.JPG||height="250"]]
343 +)))
344 +)))
345 +|(% style="text-align:center" %)(((
346 +Different Tubes with lengths of 80 mm, 140 mm and 160 mm
347 +Inner diameter: 28 mm
348 +)))
349 +
350 += Sample mounting =
351 +
352 +{{info title="Pins and clamps"}}
353 +Depending on your application, sample installation may vary. There are a selection of pushing pins and pulling clamps available at the beamline which will be presented in this section. Nevertheless these pins or clamps may be unsuitable for your sample. In this case a suitable pin or clamp can be manufactured. Please contact the beamline staff well in advance of your beamtime.
354 +{{/info}}
355 +
356 +(% class="wrapped" %)
357 +|=(% colspan="2" %)(((
358 +Pushing
359 +)))|=(% colspan="2" %)(((
360 +Pulling
361 +)))
362 +|(((
363 +Bottom push pin
364 +)))|(((
365 +(% class="content-wrapper" %)
366 +(((
367 +[[image:attach:DSC_0045.JPG||height="250"]]
368 +)))
369 +)))|(((
370 +Bottom pull thread
371 +)))|(((
372 +(% class="content-wrapper" %)
373 +(((
374 +[[image:attach:DSC_0041.JPG||height="250"]]
375 +)))
376 +)))
377 +|(((
378 +Top push pin
379 +
380 +M(8 x 1.0)
381 +
382 +70 mm total length
383 +
384 +
385 +)))|(((
386 +(% class="content-wrapper" %)
387 +(((
388 +[[image:attach:DSC_0047.JPG||height="250"]]
389 +)))
390 +)))|(((
391 +Principle of pull installation
392 +)))|(((
393 +(% class="content-wrapper" %)
394 +(((
395 +[[image:attach:DSC_0049.JPG||height="250"]]
396 +)))
397 +)))
398 +|(((
399 +Top push pin
400 +)))|(((
401 +(% class="content-wrapper" %)
402 +(((
403 +[[image:attach:DSC_0048.JPG||height="250"]]
404 +)))
405 +)))|(((
406 +Pull clamps for low forces
407 +)))|(((
408 +(% class="content-wrapper" %)
409 +(((
410 +[[image:attach:DSC_0050.JPG||thumbnail="true" height="250"]]
411 +)))
412 +)))
413 +
414 += Reference =
415 +
416 +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"]]
417 +
418 +
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1 -326975450
1 +326975405
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1 -https://confluence.desy.de/spaces/P5I/pages/326975450/Load frame
1 +https://confluence.desy.de/spaces/P5I/pages/326975405/Load frame