CN106271424A - Strain ga(u)ge sealant forming method - Google Patents
Strain ga(u)ge sealant forming method Download PDFInfo
- Publication number
- CN106271424A CN106271424A CN201610753160.2A CN201610753160A CN106271424A CN 106271424 A CN106271424 A CN 106271424A CN 201610753160 A CN201610753160 A CN 201610753160A CN 106271424 A CN106271424 A CN 106271424A
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- Prior art keywords
- sealant
- strain
- strain gauge
- sealing film
- pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
One strain ga(u)ge sealant forming method of the present invention, it is possible to realize the making of strain gauge arbitrary graphic sealant, qualification rate is high, and the product that especially strain gauge hermetic unit graphics Web publishing is special, the advantage of this kind of method becomes apparent from.It comprises the steps, step 1, according to strain gauge figure and process design parameter, uses computer-aided design to be designed the shape of strain gauge sealant figure；Step 2, uses and carries out numerically controlled mechanical engraving or cut according to design result, and on sealing film, alignment cuts out the strain gauge sealant figure of correspondence；Or make corresponding diel according to design result, use this diel alignment on sealant to cut out graph of a correspondence sealant；Step 3, after pattern-sealing layer and strain ga(u)ge para-position successively, fitting, be laminated and solidify, completes the molding of strain ga(u)ge sealant.
Description
Technical field
The present invention relates to strain ga(u)ge and manufacture field, specially strain ga(u)ge sealant forming method.
Background technology
Strain ga(u)ge is typically made up of substrate, sensitive grid, sealant, lead-in wire etc..The Main Function of sealant is protection
Strain gauge sensitive grid is not by external force mechanical damage, destruction, and reduce external environment affects strain gauge sensitive grid simultaneously, strengthens strain
The reliability of meter.Sealant uses the method molding such as gluing, bonding strip film under normal circumstances.
Generally, the welding disking area of strain gauge is exposed, other region sealant covering protection.Close for ensureing
Sealing paste position, spot area is distinguished with other parts sealant telltale mark, when strain gauge manufactures, according to determine
Hermetic unit width, needs the bar of width, then at the position needing sealing by the protection of other position or just sealant cutting
Gluing or by strip gasket layer alignment fit to need seal position, owing to the kind of strain gauge is more, need seal district
Domain sizes is likely to be conventional rectangle as in figure 2 it is shown, square, circular, oval, or irregular figure, current
The strain ga(u)ge of rule as shown in Figure 1 can be sealed during processing technology by method, by using shown in Fig. 2
Sealant seal after obtain structure as shown in Figure 3；But have and much pattern-seal and cannot realize, as shown in Figure 4 special
The strain ga(u)ge of rule, also easily causes the skew of strain gauge sealing station simultaneously in technical process, these increased strain
Meter manufacture difficulty, causes the efficiency decline of sealant stickup, molding, also brings along strain gauge qualification rate simultaneously and declines 20% left side
Right.
Processing technology traditionally is improved on strain gauge figure, increases sealing area and welding region
Gap, but owing to strain gauge size is smaller, simultaneously along with the progress of technology, small size strain gauge becomes development side
To, therefore by increasing sealing area and the method in welding region gap, suffer restraints and limit.
Summary of the invention
For problems of the prior art, the present invention provides a kind of strain ga(u)ge sealant forming method, it is possible to
Realizing the making of strain gauge arbitrary graphic sealant, qualification rate is high, the product that especially strain gauge hermetic unit graphics Web publishing is special
Product, the advantage of this kind of method becomes apparent from.
The present invention is to be achieved through the following technical solutions:
Strain ga(u)ge sealant forming method, comprises the steps,
Step 1, according to strain gauge figure and process design parameter, uses computer-aided design to strain gauge sealant figure
The shape of shape is designed；
Step 2, uses and carries out numerically controlled mechanical engraving or cut according to design result, overlaps on sealing film
Carve the strain gauge sealant figure cutting out correspondence；Or make corresponding diel according to design result, use this punching press
Mould alignment on sealant cuts out graph of a correspondence sealant；
Step 3, after pattern-sealing layer and strain ga(u)ge para-position successively, fitting, be laminated and solidify, completes resistance-strain
The molding of meter sealant.
Preferably, in step 2, when use mechanical engraving carry out sealant alignment cut time, comprise the following steps that,
The sealing film vacuum or electrostatic that need engraving are fixed on smooth table top, carry out computer-aided design
Computer and mechanical engraving device talk, drive mechanical engraving equipment operation, deep by design result regulation engraving tool sharpening
Degree and processing graphic pattern, sealing film is needed to remove part cutting with engraving cutter and removes, leaves needs by mechanical engraving equipment
Part.
Further, engraving cutter uses Rhizoma Sparganii to found angle of throat tool.
Preferably, comprising the following steps that of step 3,
Layer entirety will be pattern-sealed fix, at its sticking veneer brushing organic solvent, layer will be pattern-sealed and carry out with strain gauge
Figure positions；Then apply 1.0～6.0Mpa pressure and will pattern-seal layer and strain gauge laminating；It is finally putting in fixture and carries out heat
Close lamination and solidification, make to pattern-seal layer and strain gauge good bond molding.
Preferably, in step 2, when use cut carry out sealant alignment cut time, comprise the following steps that,
The sealing film vacuum needing cutting is fixed on smooth table top, carries out the calculating of computer-aided design
Machine and laser cutting device communication, drive the operating of machine laser cutting device, according to the material of sealing film, regulation laser power and
In the burst length, with laser beam, sealing film is needed to remove part cutting and remove, leave the part of needs.
Further, the laser instrument in laser cutting device uses ultraviolet laser or psec ultraviolet laser or psec infrared
Laser instrument, power 3～10W, spot diameter 15～40 μm, and use three-dimensional movement platform to carry out pattern cut accurate dimension control
System.
Preferably, described sealing film uses modified phenolic sealing film, polyimide seal thin film or polyethers ether copper
Sealing film.
Compared with prior art, the present invention has a following useful technique effect:
This method controls Aided Design and computer numerical control technology by ripe computer, first carries out pattern-sealing layer
Design targetedly, the most directly can complete sealing film the most accurately to control processing, it is possible to achieve strain gauge is any
Pattern-sealing the making of layer, the product that especially strain gauge hermetic unit graphics Web publishing is special, the advantage of this method is the brightest
Aobvious；And it is low to solve precision during the most artificial cutting sealant, causes the problem that sealant is wasted, reaches to improve to produce and imitate
Rate, the purpose of raising yields.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of rule strain ga(u)ge in prior art.
Fig. 2 is the bar shaped sealant of corresponding diagram 1 strain ga(u)ge in prior art.
Fig. 3 be in prior art Fig. 1 strain ga(u)ge by Fig. 2 sealant seal after structural representation.
Fig. 4 is the structural representation of a kind of irregular strain ga(u)ge in prior art.
Fig. 5 is the special graph sealant of the design of corresponding diagram 4 strain ga(u)ge of the present invention.
Fig. 6 is the structural representation after Fig. 4 strain ga(u)ge described in present example is sealed by Fig. 5 sealant.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, described in be explanation of the invention and
It not to limit.
First the present invention designs strain gauge sealant figure according to strain gauge design configuration and technological requirement, then passes through machine
Tool engraving, cut or the mode of mould punching, on sealant, set carves the strain gauge sealant figure of correspondence, finally will
Sealant and strain gauge para-position, fit, be laminated, solidify.Sealant material has modified phenolic, polyimides, polyethers ether copper etc..Energy
When enough well solution strain gauges make sealant, during sealant cutting sealant in irregular shape, artificial, precision is low, it is close to cause
Sealing waste, the deficiency that the most manually cannot complete, it is achieved that the preparation of strain ga(u)ge sealant and molding.
Embodiment one
Step 1, as shown in Figure 4, according to strain gauge figure and technique, uses computer-aided design strain gauge sealant figure
The shape of shape.
Step 2, uses engraving mode to cut by part unnecessary on sealant.
The sealing film vacuum or electrostatic that need engraving being fixed on smooth table top, computer sets with mechanical engraving
Standby communication, drives the mechanical engraving equipment operation of similar printer, regulation engraving cutter working depth, and equipment directly will with cutter
Sealing film needs to remove part cutting and removes, and leaves the part of needs.Wherein, engraving cutter uses Rhizoma Sparganii to found sword, rigidity, strong
Degree is big, sharp, quick for thin film overall separation can be formed and pattern-seal layer, as shown in Figure 5 during cutting.
Step 3, the sealant after cutting and strain gauge para-position, fits, is laminated, solidifies.Layer entirety will be pattern-sealed release
Put, utilize frock will pattern-seal layer entirety and fix, by sealant and answer in sealant sticking veneer brushing organic solvent frock
Become meter and carry out figure location, apply 1.0～6.0Mpa pressure and sealant is fitted with strain gauge.It is finally putting in fixture and carries out height
Temperature high pressure heat seal lamination, solidification, make sealant and strain gauge good bond molding, as shown in Figure 6.
Embodiment two
Step 1, as shown in Figure 4, according to strain gauge figure, uses computer-aided design to draw strain gauge sealant figure
Shape.
Step 2, uses the mode of cut to cut by part unnecessary on sealant.
The sealing film vacuum needing cutting being fixed on smooth table top, computer leads to laser cutting device
News, drive the operating of machine laser cutting device, according to different materials, regulate laser power, burst length, directly with laser beam by close
Sealing film needs to remove part cutting and removes, and leaves the part of needs, as shown in Figure 5.Laser instrument uses ultraviolet laser or skin
Second ultraviolet laser or psec infrared laser, power 3～10W, spot diameter 15～40 μm, and use three-dimensional movement platform to enter
Row pattern cut accurate dimension controls.Guarantee that laser beam is by quick for thin film overall separation, shape by adjustment parameter during cutting
Become to pattern-seal layer, any impact will not be produced on coating semi-solid preparation epoxy resin on sealant and sealant.
Step 3, the sealant after cutting and strain gauge para-position, fits, is laminated, solidifies.Use follow-up with embodiment one
Fit, fix, be laminated, solidify consistent method, layer and strain gauge good bond molding will be pattern-sealed, as shown in Figure 6.
Embodiment three
Step 1, as shown in Figure 4, figure and technique according to strain gauge draw corresponding strain gauge sealant figure.
Step 2, according to strain gauge sealant graphic making mould.Mould uses die cutting die.
Step 3, utilizes punch press to add mould and is stamped and formed out pattern-sealing layer to sealing film, as it is shown in figure 5, the method is crucial
It is to utilize frock by fixing for sealant attaching, location, forms location figure.By adjusting parameter true mould blade simply during cutting
By quick for thin film overall separation, will not be injured other, also will not produce burr, deform, the defect such as dislocation, then with embodiment one
Follow-up laminating, fixing, lamination, curing are consistent, will pattern-seal layer and strain gauge good bond molding.
Step 4, the sealant after cutting and strain gauge para-position, fits, is laminated, solidifies, as shown in Figure 6.
Claims (7)
1. strain ga(u)ge sealant forming method, it is characterised in that comprise the steps,
Step 1, according to strain gauge figure and process design parameter, uses computer-aided design to strain gauge sealant figure
Shape is designed；
Step 2, uses and carries out numerically controlled mechanical engraving or cut according to design result, and on sealing film, alignment is cut out
Cut out the strain gauge sealant figure of correspondence；Or make corresponding diel according to design result, use this diel
On sealant, alignment cuts out graph of a correspondence sealant；
Step 3, after pattern-sealing layer and strain ga(u)ge para-position successively, fitting, be laminated and solidify, completes strain ga(u)ge close
The molding of sealing.
Strain ga(u)ge sealant forming method the most according to claim 1, it is characterised in that in step 2, when the machine of employing
Tool engraving carries out sealant alignment when cutting, and comprises the following steps that,
The sealing film vacuum or electrostatic that need engraving are fixed on smooth table top, carry out the meter of computer-aided design
Calculation machine and mechanical engraving device talk, drive mechanical engraving equipment operation, by design result regulation engraving cutter working depth and
Processing graphic pattern, sealing film is needed to remove part cutting with engraving cutter and removes, leaves the part of needs by mechanical engraving equipment.
Strain ga(u)ge sealant forming method the most according to claim 2, it is characterised in that engraving cutter uses Rhizoma Sparganii
Vertical angle of throat tool.
Strain ga(u)ge sealant forming method the most according to claim 1, it is characterised in that the concrete steps of step 3
It is as follows,
Layer entirety will be pattern-sealed fix, at its sticking veneer brushing organic solvent, layer will be pattern-sealed and carry out figure with strain gauge
Location；Then apply 1.0～6.0Mpa pressure and will pattern-seal layer and strain gauge laminating；It is finally putting in fixture and carries out thermal synthesis layer
Pressure and solidification, make to pattern-seal layer and strain gauge good bond molding.
Strain ga(u)ge sealant forming method the most according to claim 1, it is characterised in that in step 2, swashs when using
Light cutting carries out sealant alignment when cutting, and comprises the following steps that,
The sealing film vacuum of cutting will be needed to be fixed on smooth table top, carry out the computer of computer-aided design with
Laser cutting device communication, drives the operating of machine laser cutting device, according to the material of sealing film, regulation laser power and pulse
Time, with laser beam, sealing film is needed to remove part cutting and remove, leave the part of needs.
Strain ga(u)ge sealant forming method the most according to claim 5, it is characterised in that in laser cutting device
Laser instrument uses ultraviolet laser or psec ultraviolet laser or psec infrared laser, power 3～10W, spot diameter 15～
40 μm, and use three-dimensional movement platform to carry out pattern cut accurate dimension control.
Strain ga(u)ge sealant forming method the most according to claim 1, it is characterised in that described sealing film is adopted
With modified phenolic sealing film, polyimide seal thin film or polyethers ether copper sealing film.
Priority Applications (1)
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| CN201610753160.2A CN106271424B (en) | 2016-08-26 | 2016-08-26 | Strain ga(u)ge sealant forming method |
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| CN201610753160.2A CN106271424B (en) | 2016-08-26 | 2016-08-26 | Strain ga(u)ge sealant forming method |
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| CN106271424B CN106271424B (en) | 2018-08-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933003A (en) * | 2017-11-14 | 2018-04-20 | 中航电测仪器股份有限公司 | A kind of strain gauge cap rock diaphragm seal and preparation method thereof and application method |
| CN110895130A (en) * | 2019-12-28 | 2020-03-20 | 中航电测仪器股份有限公司 | Diaphragm type strain gauge and optimization method thereof |
| CN112985652A (en) * | 2019-12-17 | 2021-06-18 | 北京钛方科技有限责任公司 | Strain gauge and preparation method and installation method thereof |
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| CN107933003A (en) * | 2017-11-14 | 2018-04-20 | 中航电测仪器股份有限公司 | A kind of strain gauge cap rock diaphragm seal and preparation method thereof and application method |
| CN112985652A (en) * | 2019-12-17 | 2021-06-18 | 北京钛方科技有限责任公司 | Strain gauge and preparation method and installation method thereof |
| CN112985652B (en) * | 2019-12-17 | 2023-11-28 | 北京钛方科技有限责任公司 | Strain gauge, preparation method thereof and mounting method thereof |
| CN110895130A (en) * | 2019-12-28 | 2020-03-20 | 中航电测仪器股份有限公司 | Diaphragm type strain gauge and optimization method thereof |
| CN110895130B (en) * | 2019-12-28 | 2021-07-20 | 中航电测仪器股份有限公司 | Diaphragm type strain gauge and optimization method thereof |
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