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April/May, 2024
Yamaha Builds Capability at EBW Electronics
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LDM for a headlight for a major automotive OEM, enabling us to fit that, plus all the other product that was already on that line into our capacity and still have some room. So instead of buying anoth- er line and then having to buy three machines and the whole set- up, we could buy two machines and not anything else.” Moreover, he adds “As far as
performance goes, accuracy throughput is our biggest win, now better overall, and as a re- sult we have chosen to put most of our more difficult product on the Yamaha lines. This includes electrolytic caps and coils, fine pitch micros and BGAs, the prod- ucts that in the past have tended to have a higher fallout.” Nagelkirk says that EBWE
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has two Yamaha lines currently (out of 9 lines total) and seven of them use pre-existing technolo- gy. “It is not necessarily older, it’s just the equipment that EB- WE had before buying the Yama- ha machines.” Nagelkirk says, “When we
evaluate first pass yield with AOI on all of them, Yamaha is typical- ly in the top two or three, and we have two Yamaha lines, so the best one can do a second. So there is one predecessor technology line that is always at the top, but the board is just basically LEDs and the connector, so it’s a super sim- ple board, whereas the Yamaha lines can do more placements.”
CPH As far as components per
hour goes, everyone wants that number, Nagelkirk says. “So we’re seeing in the field 100,000 components per hour on the two machines. Real time on one of our products that we have, not all of them, but that one specific product basically was accidental- ly designed perfectly for Yama- ha, so it wasn’t intentional. We didn’t know about that when it was happening, but that’s what happened. So that seems like it’s a pretty good win for Yamaha, I would think if both of those two machines on paper are supposed to be around a hundred thousand
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components per hour each and then in real life, we’re hitting that for the two of them, I would assume that’s quite positive.” In terms of planning for the
future, EBWE is currently using all of their Yamaha capacity, Ross says, but in the last year and a half he has added more product to those machines. “We’ve moved other critical parts to those lines to keep them busy all the time while gradually obsoleting old equipment,” he says. EBWE’s overall quality in-
creased, with less component fail- ure on first pass yield. “For exam- ple, this week we added a product to the Yamaha lines and the first run it had a first pass yield of 99.98% with only one bad board and that was expected,” he says. “It’s a pretty simple board, with two large micros and a bunch of caps and resistors, all chips. So we all expected it to do tolerably well, but it did really well starting on day one, and we feel that it is a tes- tament to the Yamaha machines.” “There was one more number
that might make sense and that was from what we had to what we have now by buying Yamaha,” Ross adds. “We have about two and a half times the throughput on one line. We were slated to buy a 10th line, and shortly thereafter an 11th line, but yet we’re still at nine lines. We have only two Yamaha lines and we’re hitting that volume that we needed to.” Nagelkirk also bought two Yama- ha YSP10 printers. To summarize, EBWE in-
stalled two initial Yamaha place- ment machines, which had a sig- nificant impact. Ross says, “In 2023 we added the two printers. So we have two lines with two YRM20s, and both of those lines have YSP10s, which really are their own story. We’re happy with what we now have. I’ll program the printer, I’ll show that and then say, here we are with this is what it actually is doing, and so then we can improve other areas because the YSP10 has the stencil cleaning in parallel as far as cycle time goes, happening at the same time as the feed. It shortens the cycle time significantly from our older machines, from the legacy equipment. So our cycle time floor has gone down quite a bit with the Yamaha printer and the quality has gone up.” Contact: EBW Electronics,
13110 Ransom Street, Holland, MI 49424 % 616-786-0575 E-mail:
info@ebwe.com Web:
www.ebw-electronics.com and Yamaha, 3065 Chastain Meadows Parkway, Suite 100, Marietta, GA 30066 % 770-420-5825 E-mail: george_babka@yamaha-
motor.com Web: www.yamaha-
usa-robotics.com r
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