2024年4月16日发(作者：)
pcb钻孔流程简介
英文回答：
PCB Drilling Process Overview.
The PCB drilling process is a critical step in the
fabrication of printed circuit boards (PCBs). It involves
creating precise holes in the board to accommodate
electronic components and allow for electrical connections.
The process typically involves the following steps:
1. Drilling Parameters Determination:
The first step is to determine the drilling parameters,
such as drill bit diameter, spindle speed, and feed rate.
These parameters are determined based on the material of
the PCB and the size and depth of the holes to be drilled.
2. Panel Preparation:
The PCB panel is prepared by cleaning it and applying a
photoresist layer to the areas where drilling is not
desired. The photoresist is then exposed to ultraviolet
light through a photomask, which defines the areas to be
drilled.
3. Drilling:
The PCB panel is placed on a drilling machine, and the
drill bit is aligned with the marks on the photoresist. The
drill bit is then rotated at the specified speed and fed
into the board at the specified feed rate.
4. Deburring:
After drilling, the holes are deburred to remove any
sharp edges or burrs that may interfere with component
placement or electrical connections.
5. Plating (Optional):
In some cases, the holes may be plated with a
发布者：admin，转转请注明出处：http://www.yc00.com/web/1713224768a2207014.html
评论列表（0条）