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Manufacturing method of slot of printed-circuit board

A technology for printed circuit boards and production methods, applied in metal processing and other directions, can solve the problems of low efficiency and high production costs, achieve the effects of broad market prospects, solve quality problems, and improve production profits

Active Publication Date: 2015-04-01
MEIZHOU ZHIHAO ELECTRONICS TECH
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The invention mainly solves the technical problems of high production cost and low efficiency of the existing method for manufacturing short slot holes of printed circuit boards

Method used

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  • Manufacturing method of slot of printed-circuit board
  • Manufacturing method of slot of printed-circuit board

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Embodiment Construction

[0012] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0013] The invention discloses a method for manufacturing short slots of printed circuit boards, which comprises a printed circuit board to be manufactured with short slots and a drill. see figure 1 , is a flow chart of the steps of the method for manufacturing short slot holes in printed circuit boards provided by the present invention. The method comprises the steps of:

[0014] Step S1, selecting the drill bit according to the size and shape of the short slot hole to be drilled on the printed circuit board;

[...

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Abstract

The invention provides a manufacturing method of a slot of a printed-circuit board. The manufacturing method includes the following steps: selecting a drill bit according to the size and shape of the to-be-drilled short slot of the printed-circuit board; determining the position of the short slot, and drilling a first pre-drill hole and a second pre-drill hole at two ends of the determined position; conducting first orientated dense drilling on the short slot along the first pre-drill hole towards the second pre-drill hole by aid of the drill bit; reversely rotating the drill bit, and then conducting second orientated dense drilling on the short slot along the second pre-drill hole towards the first pre-drill hole; providing a slot cutter and conducting compensatory finishing on the edge of the short slot. Compared with the prior art, the manufacturing method of the slot of the printed-circuit board makes different cutter compensation according to the slot width, and can fundamentally solve the quality problem of short slot processing for circuit board manufacturers.

Description

technical field [0001] The invention relates to the field of manufacturing printed circuit boards, in particular to a method for manufacturing short slots in printed circuit boards. Background technique [0002] With the trend of miniaturization, high integration and high performance of modern electronic products, the diameter of the printed circuit board drilling is getting smaller and smaller, the drilling precision is getting higher and higher, and the ultra-short and long slots are getting more and more More and more, customers have higher and higher requirements for the processing quality of slot holes, and its quality directly affects the installation and use of customer products. However, many printed circuit board manufacturers are prone to slot deformation and slot hole deformation in the actual production process. The hole is too big, too small and so on. [0003] In recent years, the rapid development of the domestic circuit board industry has made the competitio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26F1/18
CPCB26F1/18
Inventor 张学平刘喜科戴晖
Owner MEIZHOU ZHIHAO ELECTRONICS TECH
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