Summary
Tock AFT head QA Test Report
Background: Built TOCK AFT head first lot inspection by QA lab
Head total qty: 5250pcs
Inspection qty: 220PCS
Inspection date: Jun,19,2008-Jun,26,08
No. Inspection item Specification Inspection Qty Result Judgement Remark
1 刷头外观 Head Appearance No dirt, foreign material or scratches 20pcs 4/20 NG failed black mark:1pcs dirtey:3pcs
2 噪音Noise Level No abnormal sound and lower than 75dB at 25cm distance 20pcs passed
3 刷头与手柄间隙
Gap Measurement(Between Head & Handle) maximum 20pcs passed
4 刷头转速Head speed： 8000±1000rpm 20pcs 8230-8693rpm passed
5 .植毛高度 Bristle Height see spec 20pcs see report passed
6 植毛直径Bristlediameter to 20pcs passed
7 植毛拉力Tufts Retention Force minnimum 200pcs ( ~ ) failed 1area : OK
2area;~
3 area: ~
4 area : ok
8 植毛毛量Tuft Number 23Tufts 20pcs see report passed
9 植毛磨圆度 Bristle Endrounding Quality 70% minimum for average of 3 piece of different bristles, 30% minimum for individual bristle 200pcs see report passed
10 刷头震动角度Head angle movement 7~11° 20pcs 7~9° passed
11 刷头拉脱力 Head pull force ~ 200pcs failed
12 刷头推入力Head push force ~ 20pcs see report passed
13 刷头跌落Head drop test Product OK after 6 drops at " height (No crack or any other defects) 20pcs see report failed Broken :5pcs
14 刷头压缩 Compression Test for Brush Head Apply force to head in 4 ways: left (F5), right (F6), back (F4)and front (F3)- minimum 200pcs see report passed
Note: Defect item of photo
(1)Head Appearance defect photo:
(2)Head drop test defect of photo:
Tufts Retention Force test photo
broken
crack
crack
mark
dirty
