Hi,
I got problem that FKM seal will stick to anodized aluminum after 9 days` chamber test(-30degree 5%humidity for 72h,40degree 90% for 72h, 60degree 5% humidity for 72h).
This lead to failure of movement for armature.
Any guys know the reason of this stick issue and how I can avoid this...
Hi
I have got problem that there was breakage on torsion spring. It occurred on end, but in previous REL test it occurred on squeezed part.
See attachment. I am a little confused about these two failures.
I want to improve design to distribute stress on end of spring. And considering to add two...
Hi, everyone
We have a product that can peform determinations of nitrogen/protein according to the Kjeldahl method
However we found recovery rate was a little low recently. See below steps:
1. H2SO4 + K2SO4 + catalyst → NH4+(AcidicSolution) -------Digestion in 420℃
2. NH4 + NaOH + steam...
Hi, all
We have a safety door that can provent steam hurting the customer, but seems the material was not strong enough.
The material is PMMA whhle there is crack after used for less than 1 year. See links.
Sprayed solvent on safety door: 40% NaOH + 100℃ steam
Problem: There is crack on...
Hi, all.
We have a cabinet that is finished by foaming in mould. We got problem that top surface drumed and sheet metal peeled off from foaming. It looks like there is air between them.
below is product information:
Cabinet material: Sheet metal- EN1.4301 (t=1mm) (length=725mm height=600mm...
