mdcpickandplace:qfn
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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mdcpickandplace:qfn [2010/10/19 16:25] ladyada |
mdcpickandplace:qfn [2010/10/19 16:27] ladyada |
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| We usually pick up the nozzles and see which is the biggest nozzle we can use. The bigger the nozzle, the less slipping we'll get while transporting the part around. We found nozzle #4 was the biggest we could go, maybe #5 would be OK | We usually pick up the nozzles and see which is the biggest nozzle we can use. The bigger the nozzle, the less slipping we'll get while transporting the part around. We found nozzle #4 was the biggest we could go, maybe #5 would be OK | ||
| - | ===== Headline ===== | + | ===== Part definition ===== |
| The **X** and **Y** are the width and height of the part (mm), **Thick** is the thickness (mm). We'll use bottom vision for small component (**LunaVis** = 26) | The **X** and **Y** are the width and height of the part (mm), **Thick** is the thickness (mm). We'll use bottom vision for small component (**LunaVis** = 26) | ||
| The **Pt** and **W** entries are used for filtering. The **Pt** is the 'high end' of what sizes we'll look for and **W** is the 'low end' | The **Pt** and **W** entries are used for filtering. The **Pt** is the 'high end' of what sizes we'll look for and **W** is the 'low end' | ||
| - | So if | + | So if each rectangular pad is 0.5mm x 0.8mm, we'll make **Pt** 1.0 mm (larger than 0.8mm) and **W** 0.25mm. This way we'll ignore the tiny triangle |
| ^ Part ^ Nozzle ^ dx0 ^ dy0 ^ st ^ da9 ^ X ^ Y ^ Pt ^ W ^ Thick ^ LunaVis ^ TS ^ Level ^ Type ^ Voff ^ Remark ^ | ^ Part ^ Nozzle ^ dx0 ^ dy0 ^ st ^ da9 ^ X ^ Y ^ Pt ^ W ^ Thick ^ LunaVis ^ TS ^ Level ^ Type ^ Voff ^ Remark ^ | ||
| - | ^ 14-LGA | 4 | 0 | 0 | 0 | 0 | 3 | 5 | 0 | 0 | 1 | 26 | 60 | | CSP | | 14-LGA | | + | ^ 14-LGA | 5 | 0 | 0 | 0 | 0 | 3 | 5 | 1 | 0.25 | 1 | 26 | 60 | | CSP | | 14-LGA | |
/home/ladyada/public_html/wiki/data/pages/mdcpickandplace/qfn.txt · Last modified: 2016/01/28 18:05 (external edit)
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