TM3832.Shifted check of board fixing.pdf - 第2页
S M T S o f t w a r e E n g i n e e r i n g G r o u p I M O p e r a t i o n s Y A M A H A M O T O R C O . , L T D . MDOC-SOFT501 81 2/10 2 Restriction In using this function, there is the followi n g restriction. - In …
SMT Software Engineering Group
IM Operations YAMAHA MOTOR CO., LTD.
MDOC-SOFT50181
1/10
Shifted check of board fixing
Contents
1Targetmodelandversion ............................................................................................................................................... 1
2Restriction............................................................................................................................................................................. 2
3Summary ................................................................................................................................................................................ 2
4Details ..................................................................................................................................................................................... 2
4 1 Functional explanation......................................................................................................................................... 2
4.2 ErrorMessage ........................................................................................................................................................... 6
4 2.1 PCB fiducial mark shift error......................................................................................................................... 6
4 2.2 Data Check Error................................................................................................................................................ 7
4 3 Log.................................................................................................................................................................................. 8
5Settings .................................................................................................................................................................................. 9
Revision No. Version Chapter No. Revised Contents
00 V3.31STD R1.000 All Create
1 Target model and version
The target model and version are as follows.
Table1 Target model and version
Target model, software Target version Remarks
YS Series
YG300, YG12 Series
VGOS V3.31STD R1.000 and later
SMT Software Engineering Group
IM Operations YAMAHA MOTOR CO., LTD.
MDOC-SOFT50181
2/10
2 Restriction
In using this function, there is the following restriction.
- In [Board]-[Fiducial]-[Board]-[No Execute], it does not function.
- In Machine Setting, when [Machine] - [Setting] - [Machine Data] - [Mechanical] -
[Position] - [TableA] - [Mount After FID Check] is enable, it does not function.
- It does not function, when it resets and operation is resumed after an after-mounting
stop.
- This function will take additional tact time to perform a PCB fiducial after mounting and
to check its difference between before and after mounting.
3 Summary
This function will reduce defects of mounted boards, by finding a case of failure to fix a
board because of some difficulty such as cylinder degradation etc.
4 Details
4 1 Functional explanation
First, The calculation method of PCB fiducial correction value is shown below.
The theoretical value of
PCB fiducial mark position
The theoretical value(Solid
circle) and the actual
measurement(Dots circle)
were piled up.
The Actual measurement of
PCB fiducial mark position
SMT Software Engineering Group
IM Operations YAMAHA MOTOR CO., LTD.
MDOC-SOFT50181
3/10
Fig 1 The calculation method of PCB fiducial correction value
When [Board]-[Fiducial]-[Board]-[Executed] is enabled, PCB fiducial recognition is
certainly carried out just before mounting, and the above-mentioned calculation method will
be carried out. In this function, the PCB fiducial correction value after mounting is also
calculated in the same way as before mounting.
And the difference of the correction value before mounting and after mounting was
calculated and if it is over the acceptable value (machine setup), a possibility that the Board
shift occurrence will be notified.
correction value X
correction value
Y
(1) Based on a theoretical value (Solid circle
) and
an actual measurement (Dots circle
), the
degree of rotation angle and pace of expansion
of a board are calculated.
(2) Mark positions
are calculated by adding
correction to the theoretical value (Solid circle
)
using the degree of rotation angle and pace of
expansion which were computed by (1).
.
(Thick circle)
(1)
It is considered that the
difference [The correct
theoretical
value(Thick circle)]
with [The a
ctual
measurement(Dots circle)] is
PCB fiducial correction value.
(2)