Which load cases belong in our FR10 housing-tool comparison?

LeahCarter1017 · 2026年3月28日 02:26 UTC

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LE
LeahCarter1017
I have two proposals for transferring aluminium housings into inspection nests. Both quote the housing mass, but one has longer fingers and an adapter the other does not use. The hose fittings are absent from both totals. I cannot infer suitability from that comparison. More precisely, I need the tool suppliers and our integrator to agree what they are assessing: complete assemblies, held positions, movement and release. Should I request one worst-case load figure, or separate cases that remain tied to their actual geometry?

21 条回复

LI
LiamArcher0403

Ask for the assembled views first. Can you even identify which fingers each total covers?

14分
LE
LeahCarter1017

Only the first proposal identifies the fingers. The second says extended set without a drawing reference. I have asked for that identity before the comparison proceeds.

10分
HE
HenryChan1047

Separate cases if the assemblies or held positions differ. A single largest mass can conceal the longer arrangement. The integrator still needs the applicable centre-of-gravity and inertia information, with the intended motion.

13分
TO
TobyChen1188

Include the tool after releasing the housing too. It still has to open and withdraw from the nest, and the proposed return movement may not be the same as the loaded approach

15分
LI
LiamArcher0403

Toby, would that need its own drawing or a state in the same sequence?

8分
HA
HarishAllen0315

Leah, what changed between the two proposals besides finger length? Or is that still hidden by the unidentified set?

-7分
TO
TobyChen1188

Liam, either can work if the assembly and state remain unambiguous. I would rather see one readable sequence than separate attractive images which quietly use different adapters

14分
LE
LeahCarter1017

Harish, the first grips outside the housing; the second proposes entering its opening. They also place it at different depths in the inspection nest. We have not accepted either change to the nest interface.

1分
HE
HenryChan1047

Then agree the placement requirement before comparing their load results. Two valid assessments could still describe different jobs, and one may leave the housing somewhere inspection cannot use it.

18分
HA
HarishAllen0315

Does inspection accept either proposed depth, Leah?

15分
LE
LeahCarter1017

Inspection accepts the outside-grip proposal's seating position. The internal proposal leaves the housing above its required support. Supplier says it can revise the fingers to release lower.

16分
TO
TobyChen1188

Make the revised tool the basis of that supplier's assessment. I once received replacement contacts under an old kit description after the contact geometry had changed. The installed tool was fine; the spare list was describing its predecessor. It took an unnecessary stoppage to make everyone look at the individual references. Your second supplier is already proposing a different reach into the housing, so this is a good time to insist the drawing, assessment and eventual spare list all describe the same thing

13分
LE
LeahCarter1017

Thank you, Toby. The supplier has now issued a revised assembly reference rather than continuing to call both versions extended set. The release sequence is still missing the open-finger view inside our nest.

3分
LI
LiamArcher0403

That missing view sounds more urgent than refining the weight total.

11分
HE
HenryChan1047

They can do both, Liam. Geometry is needed for the load assessment as well as clearance, so I would not split this into unrelated drawing and weighing errands.

5分
HA
HarishAllen0315

Has the first supplier's complete assembly information reached the integrator, including those previously omitted fittings?

18分
TO
TobyChen1188

Henry's right. The useful deliverable is a consistent assembly and its cases, not a bag of numbers somebody else has to recognise later

15分
LI
LiamArcher0403

Fair enough. I meant don't buy before seeing the release.

13分
LE
LeahCarter1017

Harish, yes: first assembly is with the integrator, including fittings and the loaded and released cases. The second supplier has finally shown its open fingers; they overlap a locating feature during withdrawal.

4分
HE
HenryChan1047

Keep that result attached to the second revision. If another finger shape is offered, it needs the same checks rather than inheriting the first version's assessment.

3分

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