HRS Hirose IT3, Сборочные инструкции

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IT3/IT5 Connector System T
IPS FOR
SMT A
SSEMBLY
Document Number:
ETAD-F0458
Revision 3.10
Page
55
of
73
11.2 Pick and Place
Pick and Place problems are often the easiest to troubleshoot, as the root cause of most
potential causes are within the pick and place machine itself.
Vision Errors: ca n cause the pi ck and place s ys tem to
reject or misplace
good components .
V
is
io
n
R
e
je
ct
s
Possible Cause Suggested Action
Lighting Close any open covers on ma chine. Check lighting
and adjus t as necessa ry to provide proper illumina tion
of the balls.
Inspection Cri teria Review inspection routines - search windows , lighting
thresholds , etc.
Wrong Orienta tion Check component orienta tion in tra ys , tra y
orientation in feeders
Feeders malfunctioning Check feeder opera tion, alignment, adva nce
Misplacement: BGA device s ha ve self-centering properties i n the reflow process . It is
sugges ted tha t the IT3/IT5 connectors should be placed no more tha n 0.1mm off-pad. If
ma chine is placi ng connector recepta cle more than 0.1mm off-pad, inves tiga te the root cause.
M
is
p
la
ce
m
e
n
t
Possible Cause Suggested Action
Poor vision capture
mis cal cula ted centroid Check vision inspection s ys tem. Make sure to inspe ct
all balls, not jus t corner balls.
Wrong Orienta tion See section on orienta tion below
Component shi fting on
nozzle Check nozzle for obs tructions, make sure nozzle size is
appropria te for component weight
Progra mmi ng Error Check progra mmed coordina tes
Wrong Orientati on: If component orientation is 90 or 270 degrees off, check pi ck and pla ce
progra m fi rs t. If orientation is 180 degrees off, review the following s teps to assure the ri ght
pa rt is loaded properl y before modifyi ng the pi ck and place progra m.
W
ro
n
g
O
ri
e
n
ta
ti
o
n
Possible Cause Suggested Action
Tra y pla ced in feeder wrong Check tra y’s posi tion in feeder
Component placed in tra y wrong Check components ’ posi tions in tra ys
Mounting and ma ting recepta cles
mi xed up Check to see whi ch corner cha mfer is on;
compa re wi th drawings below
Rota tion in program off by 180 degrees Check progra mmed theta angle
Nov.1.2022 Copyright 2022 HIROSE ELECTRIC CO., LTD. All Rights Reserved.