Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of pcb board drilling positioning method

A technology of PCB board and positioning method, which is applied in the directions of printed circuit, electrical components, printed circuit manufacturing, etc., can solve the problems of reducing the accuracy of the drilling position of the PCB board, affecting the quality of the PCB board product, and the zero point error system, so as to improve the positioning accuracy. and drilling qualification rate, improve drilling efficiency, and reduce the effect of system error

Active Publication Date: 2016-03-23
NEW FOUNDER HLDG DEV LLC +1
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] It can be seen that in the prior art, since the drilling process in the effective area of ​​the same large-size PCB board is positioned twice, and two sets of positioning holes different from each other are used for positioning, and then two sets of positioning holes in the length direction are completed twice. Drilling holes in two effective areas, so it is easy to cause a zero point error (system error) in the two effective areas of the PCB board during the secondary positioning, resulting in a decrease in the accuracy of the drilling position of the PCB board, and ultimately affecting the product of the PCB board. quality

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of pcb board drilling positioning method
  • A kind of pcb board drilling positioning method
  • A kind of pcb board drilling positioning method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] In this embodiment, the size of the pre-drilled PCB board is larger than the maximum single-axis processing range of the drilling rig, that is, the PCB board belongs to a large-size PCB board.

[0035] Such as figure 2 As shown, the PCB board drilling positioning method includes the following steps:

[0036] Step S1): set the indexing line 9 on the PCB, the indexing line 9 divides the effective area on the PCB into two, and the size of the two effective areas is less than or equal to that of the uniaxial processing of the drilling rig. biggest size.

[0037] Specifically, such as image 3As shown, in this step, according to the graphics in the PCB board, the indexing line 9 is set along the width direction of the PCB board, that is, the setting direction of the indexing line 9 is perpendicular to the length direction of the PCB board, and the indexing line 9 is perpendicular to the length direction of the PCB board. Line 9 divides the effective area of ​​the PCB boa...

Embodiment 2

[0057] Such as Figure 4As shown, the difference between this embodiment and Embodiment 1 is that in this large-size PCB board, the indexing line 9 is properly adjusted according to the graphics requirements of the effective area of ​​the PCB board, for example, when there is a graphic hole in the effective area of ​​the PCB board When it is just at or near the center line 10, the index line can be appropriately offset relative to the center line in consideration of the integrity of the pattern hole drilling, so that there is a certain offset distance between the index line 9 and the center line 10 , that is, the index line 9 does not coincide with the center line 10, and the offset distance between the index line 9 and the center line 10 must ensure that the size of each divided effective area is less than or equal to the maximum size of the single-axis machining of the drilling rig; at the same time, The distance from the third positioning hole 7 to the index line 9 and the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a drilling positioning method for a PCB (printed circuit board). The method comprises the following steps: S1) marking a reference line (9) on the PCB, wherein an effective region on the PCB is divided into two through the reference line; S2) forming a main positioning hole in a corresponding position at each of the two ends of the reference line in an edge region, and forming an auxiliary positioning hole in each of the other edge regions corresponding to the two effective regions; and S3) positioning the PCB on a drilling machine through the two main positioning holes and any one auxiliary positioning hole, drilling the effective region corresponding to the edge region with the auxiliary positioning hole, positioning the PCB on the drilling machine through the two main positioning holes and the other auxiliary positioning hole, and drilling the other effective region. According to the method, the drilling position accuracy of the PCB can be effectively improved, so that the product quality of the PCB is improved.

Description

technical field [0001] The invention belongs to the field of printed circuit board production, in particular to a PCB board drilling positioning method. Background technique [0002] In the processing process of printed circuit board (PCB board), it involves multiple process steps such as material cutting-inner layer making-lamination-drilling-copper sinking-outer layer making-surface coating-shape processing. Among them, the drilling is to drill through holes or all non-conducting holes for circuit connections between layers on the PCB board surface. The process steps of drilling include: material preparation→positioning→upper plate→drilling process→lower plate and other steps. [0003] Positioning, as one of the drilling process steps, plays an important role in determining the quality of the drilling. Generally, the drilling rig is equipped with multiple single axes that can drill holes corresponding to multiple PCB boards. Each single axis corresponds to a processing a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H05K3/00
Inventor 孙军
Owner NEW FOUNDER HLDG DEV LLC