CN102560194A - Non-lead metal material and application of non-lead metal material to cord type initiating explosive devices - Google Patents
Non-lead metal material and application of non-lead metal material to cord type initiating explosive devices Download PDFInfo
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- CN102560194A CN102560194A CN2012100644283A CN201210064428A CN102560194A CN 102560194 A CN102560194 A CN 102560194A CN 2012100644283 A CN2012100644283 A CN 2012100644283A CN 201210064428 A CN201210064428 A CN 201210064428A CN 102560194 A CN102560194 A CN 102560194A
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- metal material
- lead metal
- lead
- cord
- tin
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Abstract
The invention relates to a metal material, in particular to a non-lead metal material for cord type initiating explosive devices. The non-lead metal material is alloy in which tin is used as a main component and comprises the following components in percentage by weight: 80 to 100 percent of tin and 0 to 20 percent of copper or antimony. Due to the application of tin alloy to the cord type initiating explosive devices, compared with the conventional cord type initiating explosive devices, the non-lead metal material has the advantages that: (1) lead pollution is avoided, and the development direction of environment friendliness is met; (2) the conventional process for manufacturing the cord type initiating explosive devices is not needed to be changed in the application process; and (3) the manufactured metal delay cord has excellent combustion performance, and the manufactured detonating cord has stable explosive performance.
Description
Technical field
The present invention relates to the application of a kind of metallic substance in explosive fuze cord, the application of particularly a kind of non-lead metal material in explosive fuze cord belongs to the explosive fuze cord field.
Background technology
The metal explosive fuze cord mainly comprises extension rope, primacord fuse and safety fuse.The metal explosive fuze cord passes fire, propagation of explosion is stable, and reliable, because of tight-closed, environmental resistance is good, and particularly humidity resistance is good.Because plumbous is functional, handling ease is cheap.Therefore, at present most enterprise and research unit except adopting the argent at metal explosive fuze cord in the space flight, all adopt with the lead metal material as housing, and relevant production technique is comparative maturity.Yet there is serious Lead contamination in lead in production and use, and particularly lead forms a large amount of lead steam and lead dust after the blast of detonator and explosive, is absorbed by the body to form chronic poisoning, and this does not meet the developing direction of current environmental protection.In addition, be the metal explosive fuze cord of main body with lead, in some use occasion, because plumbous intensity is relatively poor, easy quilt is broken, and causes afunction; Moreover, because plumbous fusing point is lower, in some cases,, cause burning medicament end face to separate owing to the thawing of lead is expanded, make combustion reactions appearance interruption, this high section delay electric detonator often occur miss-firing and obtain checking in China.So studying non-plumbous explosive fuze cord is very urgently to reach the technical issues that need to address.People such as Huang Yinsheng had once studied the aluminum hull primacord fuse, found that its performance is better than plumbous shell, also can be used in the microsecond arming delay device; People such as Ma Honghao have studied a kind of unleaded detonator system, have substituted traditional lead extension body with aluminium extension body, but need to increase production process.
Summary of the invention
The objective of the invention is to exist to metal explosive fuze cord in the prior art problem of serious Lead contamination, a kind of non-lead metal material of suitable drawing explosive fuze cord is provided, this material is main body with tin, adds the tin alloy that other an amount of metals are formed.The metal extension rope and the stable performance of metal primacord fuse that utilize tin alloy to make, no Lead contamination, and making processes need not to change existing manufacturing technique.
A kind of non-lead metal material that is used for explosive fuze cord is the alloy of main body with tin, and its composition is: tin content is 80%-100%, and copper or antimony content are 0%-20%.
The preparation of metal explosive fuze cord: utilize tin alloy to make the tin alloy pipe earlier; In the tin alloy pipe, pack into explosive or pyrotechnics composition; Through drawing process repeatedly, process metal explosive fuze cord with 1mm-10mm external diameter, cutting is used to transmit detonation and flame as required again.
The present invention compared with prior art has following advantage:
(1) no Lead contamination meets the developing direction of environmental protection;
(2) in application process, need not to change existing explosive fuze cord ME;
(3) the metal extension rope combustionproperty that makes is good, and the primacord fuse blast performance is stable.
Embodiment
Metal proportioning by technical scheme is processed base material, processes metal tube then, and the various firer's medicaments of packing into utilize existing technology to carry out drawing, make the metal explosive fuze cord.
Instance one: tin content 100%, process external diameter 18mm, internal diameter 16mm metal tube, the tungsten of packing into are the extension rope that delay powder is drawn into the 4mm external diameter, on average fire fast 1.67mm/s, relative error 2%.
Instance two: tin content 95%, copper content 5% is processed external diameter 18mm, and internal diameter 16mm metal tube, the tungsten of packing into are the extension rope that delay powder is drawn into the 4mm external diameter, on average fire fast 1.75mm/s, relative error 1%.
Instance three: tin content 90%, copper content 10% is processed external diameter 18mm, and internal diameter 16mm metal tube, the tungsten of packing into are that delay powder is drawn into 4mm external diameter extension rope, on average fire fast 1.92mm/s, relative error 1.1%.
Instance four: tin content 80%, antimony content 20% is processed external diameter 18mm, and internal diameter 16mm metal tube, the tungsten of packing into are the extension rope that delay powder is drawn into the 4mm external diameter, on average fire fast 1.98mm/s, relative error 1.8%.
Instance five: tin content 95%, copper content 5% is processed external diameter 18mm, internal diameter 16mm metal tube, the paraffin desensitized hexogen of packing into is drawn into external diameter 3mm primacord fuse, explosion velocity 6700m/s, explosion velocity is stable.
Instance six: tin content 90%, antimony content 10% is processed external diameter 18mm, internal diameter 16mm metal tube, the paraffin desensitized hexogen of packing into is drawn into external diameter 2mm primacord fuse, explosion velocity 6500m/s, explosion velocity is stable.
Claims (2)
1. a non-lead metal material is characterized in that described non-lead metal material is a tin alloy, and wherein, tin content is 80%-100%, and copper or antimony content are 0%-20%.
2. the application of a non-lead metal material in explosive fuze cord; It is characterized in that utilizing the described non-lead metal material prepn explosive fuze cord of claim 1; Its concrete technology may further comprise the steps: make the tin alloy pipe earlier with tin alloy, in the tin alloy pipe, pack into explosive or pyrotechnics composition are through drawing process repeatedly; Process the metal explosive fuze cord with 1mm-10mm external diameter, cutting is used to transmit detonation and flame as required again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100644283A CN102560194A (en) | 2012-03-13 | 2012-03-13 | Non-lead metal material and application of non-lead metal material to cord type initiating explosive devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100644283A CN102560194A (en) | 2012-03-13 | 2012-03-13 | Non-lead metal material and application of non-lead metal material to cord type initiating explosive devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102560194A true CN102560194A (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100644283A Pending CN102560194A (en) | 2012-03-13 | 2012-03-13 | Non-lead metal material and application of non-lead metal material to cord type initiating explosive devices |
Country Status (1)
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| CN (1) | CN102560194A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045496A (en) * | 2014-07-03 | 2014-09-17 | 广东明华机械有限公司 | Tungsten-based delay powder for detonator and use of tungsten-based delay powder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995035477A1 (en) * | 1994-06-20 | 1995-12-28 | The Ensign-Bickford Company | Tin and tin alloy liners and sheaths for explosive, deflagrating and pyrotechnic products |
| US5827995A (en) * | 1994-06-20 | 1998-10-27 | The Ensign-Bickford Company | Reactive products having tin and tin alloy liners and sheaths |
| WO2003091184A2 (en) * | 2002-04-23 | 2003-11-06 | Universal Propulsion Company, Inc. | Tin alloy sheathed explosive device |
| CN1482266A (en) * | 2003-07-02 | 2004-03-17 | 中国科学院金属研究所 | Industrial pure tin with resistance to liquid surface oxidizing and application |
| CN1681618A (en) * | 2002-09-18 | 2005-10-12 | 国际商业机器公司 | Solder hierarchy for lead free solder joint |
| CN1883832A (en) * | 2005-06-23 | 2006-12-27 | 中国科学技术大学 | Primacord rolling method and primacord rolling machine |
| CN101556130A (en) * | 2009-05-14 | 2009-10-14 | 中国科学技术大学 | Method for producing detonating fuse or detonator delay line with small diameter and low charge linear density |
-
2012
- 2012-03-13 CN CN2012100644283A patent/CN102560194A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995035477A1 (en) * | 1994-06-20 | 1995-12-28 | The Ensign-Bickford Company | Tin and tin alloy liners and sheaths for explosive, deflagrating and pyrotechnic products |
| US5827995A (en) * | 1994-06-20 | 1998-10-27 | The Ensign-Bickford Company | Reactive products having tin and tin alloy liners and sheaths |
| WO2003091184A2 (en) * | 2002-04-23 | 2003-11-06 | Universal Propulsion Company, Inc. | Tin alloy sheathed explosive device |
| CN1681618A (en) * | 2002-09-18 | 2005-10-12 | 国际商业机器公司 | Solder hierarchy for lead free solder joint |
| CN1482266A (en) * | 2003-07-02 | 2004-03-17 | 中国科学院金属研究所 | Industrial pure tin with resistance to liquid surface oxidizing and application |
| CN1883832A (en) * | 2005-06-23 | 2006-12-27 | 中国科学技术大学 | Primacord rolling method and primacord rolling machine |
| CN101556130A (en) * | 2009-05-14 | 2009-10-14 | 中国科学技术大学 | Method for producing detonating fuse or detonator delay line with small diameter and low charge linear density |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045496A (en) * | 2014-07-03 | 2014-09-17 | 广东明华机械有限公司 | Tungsten-based delay powder for detonator and use of tungsten-based delay powder |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |