CN1151021C - Technology for making ultra-deep fine holes on glass fibre reinforced plastic or its complex - Google Patents
Technology for making ultra-deep fine holes on glass fibre reinforced plastic or its complex Download PDFInfo
- Publication number
- CN1151021C CN1151021C CNB011287152A CN01128715A CN1151021C CN 1151021 C CN1151021 C CN 1151021C CN B011287152 A CNB011287152 A CN B011287152A CN 01128715 A CN01128715 A CN 01128715A CN 1151021 C CN1151021 C CN 1151021C
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- core rod
- glass fibre
- depth
- mold core
- complex
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Abstract
The present invention relates to a method for manufacturing ultra-deep fine holes in glass fibre reinforced plastics or the composite body thereof. The method comprises: coating a high temperature corresponding compact sleeve onto the exterior of a mold core rod with different lengths, cross sections and hole diameters to be respectively fixed in one strip or a plurality of strips of embedded slots which are on the surface of core materials and are processed according to predetermined positions, exposing at least one end of the mold core rod out of the end surface of the core materials, winding or filling the mold core rod with resin coated glass fibre and glass cloth to a predetermined shape or placing the mold core rod in a closed mold after winding or filling the mold core rod with resin coated glass fibre and cloth to a predetermined shape, injecting liquid resin into the mold and drawing out the mold core rod stably with a drawing gear after solidification. In glass fibre reinforced plastics or the composite bodies thereof, one or a plurality of ultra-deep fine holes which are distributed regularly or irregularly and have circular or anomalous cross sections, a depth of larger than 100 millimeters, a hole diameter of smaller than 20 millimeters and a ratio of the depth to the hole diameter of larger than 300 can be manufactured once. The method has the advantages of simple operation, accurate and reliable positioning and high finished product rate of products.
Description
Technical field
The present invention relates to a kind of super dark pore and make the field, be meant especially and a kind ofly in fiberglass or its complex, make one or more, rule or irregular distribution, cross section method for circular or special-shaped super dark pore according to the precalculated position.
Background technology
In the instrument and equipment of technical fields such as oil well logging, telecommunications, chemical industry, marine exploration, often use that electrical insulation capability is good, high temperature resistant, anticorrosion, high-intensity fiberglass and with other metal and nonmetallic composite.Requirement according to product structure characteristic and technical performance, often need in the fiberglass of tubular or clavate or its complex, produce one or more, rule or irregular distribution, cross section for circular or abnormity, diameter differs, the degree of depth is different super deep via or blind hole, be used to pass lead, electronic devices and components or circulating liquid etc. are installed.The method that adopts prior art to make deep hole in fiberglass or its complex is generally the method for machining, promptly using drilling machine or grinding machine to wait finishes, but restriction because of machining tool, be difficult in and produce one or more, cross section in fiberglass or its complex for circular or abnormity, diameter differ, the degree of depth is different, the ratio in the degree of depth/aperture is greater than 200 super deep via or blind hole, and complex process, the finished product rate is low, the processing cost height.Another method is to choose or process a diameter and length and the aperture of the deep hole that will make, the corresponding high duty metal bar of the degree of depth, after its surface is coated with the last layer releasing agent, twine or fill the glass fiber that scribbles resin or glass wool cloth to reservation shape, perhaps twine, filling glass silk or glass wool cloth are inserted it in closed mold behind reservation shape, in mould, inject the liquid resin that configures again, waiting to solidify the back uses draw-off gear that bar is extracted, thereby produce the superdeep holes of requirement, the defective of this kind method is when making the degree of depth/aperture ratio near 300 superdeep holes, because the contact-making surface of bar and resin is very big, bar is difficult to extract smoothly behind the resin solidification, the yield rate of product is very low, and cost is very big; If once make a plurality of superdeep holes, not only the accurate position of superdeep holes is difficult to guarantee, as long as and solidify the back and have a bar not extract smoothly, then entire product will be scrapped, so the finished product rate is lower, cost is also bigger thereupon.
Summary of the invention
The object of the present invention is to provide and a kind ofly in fiberglass or its complex, once produce one or more, rule or irregular distribution, cross section and be circular or abnormity, the degree of depth more than 100 millimeters, aperture below 20 millimeters, the degree of depth/aperture ratio manufacture method greater than 300 super dark pore according to the precalculated position.
Technology contents of the present invention is as follows:
1. make or choose with to process super dark pore (through hole or blind hole) cross section, the aperture is identical, length is greater than the high-tensile metal material die mandrel of hole depth, its surface treatment is smooth even.
2. make or choose with the cross section of respective mode plug or external diameter is identical, length is greater than the fine and close high warm sleeve of hole depth less than die mandrel length, this sleeve pipe is to be made by plastics or other material, and its heatproof is higher than 80 ℃.
3. evenly smear one deck releasing agent on the die mandrel surface, the fine and close high temperature casing pipe sleeve in different length, cross section, aperture is contained on the die mandrel of respective length, cross section, external diameter.
4. make or choose core.Core can be a fiberglass, also can be other metal or nonmetallic materials and the complex between them; Can be an integral body, also can be to be constituted by several parts.According to precalculated position, angle and the degree of depth of super dark pore the Surface Machining of core go out one or more with the corresponding built-in groove of die mandrel that is set with fine and close high warm sleeve, the width of every built-in groove is more than or equal to the external diameter of a circle of respective mode plug that is set with fine and close high warm sleeve, and the degree of depth then is set with the external radius of a circle of respective mode plug of fine and close high warm sleeve more than or equal to this.
5. the different die mandrels that cover installed sleeve pipe are fixed in the corresponding built-in groove, and die mandrel has at least an end should expose the end face of core.
6. glass fiber that twine at the core outer surface that is embedded with die mandrel, filling scribbles resin or glass wool cloth are to reservation shape; Perhaps winding, filling glass silk or glass wool cloth are inserted it in closed mold behind reservation shape, inject the liquid resin that configures again in mould.
7. after treating resin solidification, use draw-off gear that die mandrel is steadily extracted, can be in fiberglass or its complex according to the precalculated position once produce one or more, rule or irregular distribution, cross section for circular or abnormity, the degree of depth more than 100 millimeters, aperture below 20 millimeters, the degree of depth/aperture ratio greater than 300 super dark pore, it can be through hole or blind hole.
The present invention compared with prior art has following advantage:
The present invention adopts the corresponding fine and close high warm sleeve of die mandrel overcoat dress in different-diameter, cross section, length, and scribble one deck releasing agent on the surface of die mandrel, guarantee that resin does not contact with the die mandrel surface, therefore behind resin solidification, can with comparalive ease die mandrel be extracted, the finished product rate can reach more than 95%, low cost of manufacture.
The present invention adopts the die mandrel that will be set with fine and close high warm sleeve to be fixed in the different built-in groove in core surface accurate positioning.And core can be an integral body, also can be to be combined by several sections, therefore can satisfy the demand of super dark pore regular distribution or irregular distribution.
Adopt method provided by the present invention, can be in fiberglass or its complex with comparalive ease according to the precalculated position once produce one or more, rule or irregular distribution, cross section for circular or abnormity, the degree of depth more than 100 millimeters, aperture below 20 millimeters, the degree of depth/aperture ratio greater than 300 super dark pore, it can be through hole or blind hole.Simple and practical, the production efficiency height.
The specific embodiment:
Adopt said method, successfully in a fiberglass complex, produce the degree of depth and be 5000 millimeters, aperture and be 6 millimeters, the degree of depth/aperture than greater than 800,4 super dark pores of irregular distribution.
Claims (1)
1. method of in fiberglass or its complex, making super dark pore, it is characterized in that at first will be by the different length of plastics or the making of other material, the cross section, the fine and close high warm sleeve in aperture is contained in the respective length of being made by the high-tensile metal material, the cross section, the die mandrel appearance in aperture, the die mandrel that will be set with fine and close high warm sleeve again is fixed in the corresponding built-in groove in core surface by the precalculated position, die mandrel has at least an end should expose the end face of core, adopt common processes to comprise then: to twine, filling glass silk or cloth and resin, the dress mould, encapsulating, heating cure, treat to use draw-off gear that die mandrel is steadily extracted behind the resin solidification, can in fiberglass or its complex, once produce one or more, regular or irregular, the cross section is circular or special-shaped, the degree of depth is more than 100 millimeters, the aperture is below 20 millimeters, the degree of depth/aperture ratio is greater than 300 super dark pore, and it can be through hole or blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011287152A CN1151021C (en) | 2001-07-11 | 2001-07-11 | Technology for making ultra-deep fine holes on glass fibre reinforced plastic or its complex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011287152A CN1151021C (en) | 2001-07-11 | 2001-07-11 | Technology for making ultra-deep fine holes on glass fibre reinforced plastic or its complex |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1327906A CN1327906A (en) | 2001-12-26 |
| CN1151021C true CN1151021C (en) | 2004-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011287152A Expired - Fee Related CN1151021C (en) | 2001-07-11 | 2001-07-11 | Technology for making ultra-deep fine holes on glass fibre reinforced plastic or its complex |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1151021C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579843B (en) * | 2009-01-20 | 2012-05-30 | 江苏工业学院 | Method for manufacturing man-made polycrystalline diamond nozzle |
| CN107884086A (en) * | 2017-11-06 | 2018-04-06 | 中国航发动力股份有限公司 | A kind of thermometric formwork and its manufacture method |
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2001
- 2001-07-11 CN CNB011287152A patent/CN1151021C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1327906A (en) | 2001-12-26 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040526 Termination date: 20100711 |