High defect rate - inspection method

[LPPC]

Hi all,

I had a batch of products (LED table lamp) produced in China that had a defect rate of 8% (or even more). The defect rate slipped through the inspection because only 125 units out of the 4000 units were inspected. Defect means the lamp can not even be turned on.

I want to give them another chance. I would like to prevent these defects in the coming order and future orders and would greatly appreciate some advice on this.

My questions:
1) I would like the inspection company to inspect many more units this time. This costs a lot of money, so I have to restrict the inspection to only check whether the lamp can be turned on.

How much % of the batch should I inspect this time to find out whether the batch has a too high of a defect rate? Functionality defects should be max 2.5% according to industry standards, if I am correct.

2) Does this kind of inspection have a specific name?

3) Should I inspect them after they have been packaged and if so, why? The supplier proposes to inspect them before they have been packaged and they want to use this inspection as their own quality control, meaning that the inspection company tells them which one are defective and then they produce more to replace those.
But to my knowledge this is not as good as inspecting them after packaging, because it will not show me whether in future orders the supplier will be able to do their own quality control instead of me having to pay high inspection costs each time.

4) Any advice on how to prevent this defect rate in future orders? It is expensive to inspect so many units each time.


Any other advice and viewpoints would be greatly appreciated.

Thanks in advance!

 

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[AmazingLarry]

Jo emm,

O jef e cevdj ug qsufadvt (MIF vecmi menq) qsufadif op Djope vjev jef e figidv sevi ug 8% (us iwip nusi). Vji figidv sevi tmoqqif vjsuahj vji optqidvoup cideati upmz 125 apovt uav ug vji 4000 apovt xisi optqidvif. Figidv niept vji menq dep puv iwip ci vaspif up.

O xepv vu howi vjin epuvjis djepdi. O xuamf moli vu qsiwipv vjiti figidvt op vji dunoph usfis epf gavasi usfist epf xuamf hsievmz eqqsidoevi tuni efwodi up vjot.

Nz raitvoupt:
1) O xuamf moli vji optqidvoup dunqepz vu optqidv nepz nusi apovt vjot voni. Vjot dutvt e muv ug nupiz, tu O jewi vu sitvsodv vji optqidvoup vu upmz djidl xjivjis vji menq dep ci vaspif up.

Jux nadj % ug vji cevdj tjuamf O optqidv vjot voni vu gopf uav xjivjis vji cevdj jet e vuu johj ug e figidv sevi? Gapdvoupemovz figidvt tjuamf ci ney 2.5% eddusfoph vu opfatvsz tvepfesft, og O en dussidv.

2) Fuit vjot lopf ug optqidvoup jewi e tqidogod peni?

3) Tjuamf O optqidv vjin egvis vjiz jewi ciip qedlehif epf og tu, xjz? Vji taqqmois qsuqutit vu optqidv vjin cigusi vjiz jewi ciip qedlehif epf vjiz xepv vu ati vjot optqidvoup et vjios uxp raemovz dupvsum, niepoph vjev vji optqidvoup dunqepz vimmt vjin xjodj upi esi figidvowi epf vjip vjiz qsufadi nusi vu siqmedi vjuti.
Cav vu nz lpuxmifhi vjot ot puv et huuf et optqidvoph vjin egvis qedlehoph, cideati ov xomm puv tjux ni xjivjis op gavasi usfist vji taqqmois xomm ci ecmi vu fu vjios uxp raemovz dupvsum optvief ug ni jewoph vu qez johj optqidvoup dutvt iedj voni.

4) Epz efwodi up jux vu qsiwipv vjot figidv sevi op gavasi usfist? Ov ot iyqiptowi vu optqidv tu nepz apovt iedj voni.


Epz uvjis efwodi epf woixquopvt xuamf ci hsievmz eqqsidoevif.

Vjeplt op efwepdi!

Fivisnopi vji suuv deati(t) ug vji johj figidv sevi epf goy vjev. Zua duamf iwip jewi vjin neom zua tuni ug vji figidvowi upit tu zua duamf veli vjin eqesv epf fivisnopi xjz vjiz'si puv vaspoph up. Vjip zua jewi tqidogod qsucmint gus vji nepagedvasis vu goy. Vjot ot qsucecmz tunivjoph vjiz tjuamf ci fuoph, cav O fup'v jewi iyqisoipdi nepagedvasoph op Djope tu O fup'v lpux jux nadj dupvsum zua edvaemmz jewi uwis vji qsuditt.