[1]郑再芳,马飞龙,陈淼,等.模具装配参数对管状推进剂成型质量的影响[J].爆破器材,2021,50(02):45-49.[doi:10.3969/j.issn.1001-8352.2021.02.009]
　ZHENG Zaifang,MA Feilong,CHEN Miao,et al.Influence of Mold Assembly Parameters on the Molding Quality of Tubular Propellant[J].EXPLOSIVE MATERIALS,2021,50(02):45-49.[doi:10.3969/j.issn.1001-8352.2021.02.009]
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模具装配参数对管状推进剂成型质量的影响()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
50
期数:
2021年02
页码:
45-49
栏目:
爆炸材料
出版日期:
2021-04-09

文章信息/Info

Title:
Influence of Mold Assembly Parameters on the Molding Quality of Tubular Propellant
文章编号:
5516
作者:
郑再芳; 马飞龙; 陈淼; 张博; 李冰; 谢波
西安近代化学研究所（陕西西安，710065）
Author(s):
ZHENG Zaifang;  MA Feilong; CHEN Miao; ZHANG Bo; LI Bing; XIE Bo
Xi’an Modern Chemistry Research Institute (Shaanxi Xi’an, 710065)
关键词:
管状改性双基推进剂; 模具装配参数; 弧厚差; 出料负荷; 燃速
Keywords:
tubular modified double-base propellant;  mold assembly parameters;  arc thickness difference;  discharge load;  burning rate
分类号:
TJ55；V512
DOI:
10.3969/j.issn.1001-8352.2021.02.009
文献标志码:
A
摘要:
为解决小尺寸管状改性双基推进剂装药在压伸时弧厚差大、出料负荷高的问题，采用螺旋压伸工艺，研究了模具装配参数对装药弧厚差、出料负荷及燃速的影响。结果表明：在一定范围内减小进药嘴收缩角或模具压缩比，压伸出料负荷明显降低；进药嘴收缩角对燃速影响不大，而随着模具压缩比减小，燃速先降低后略微升高，二者对压力指数几乎没有影响；模针与铜套的位置匹配对弧厚差有较大影响，最大间隙差截面与水平截面的夹角β为70°~90°时，模针与铜套达到最佳匹配位置。
Abstract:
In order to solve the problems of large arc thickness difference and high discharge load of small-sized tubular modified double-base propellant charge during the extrusion process, effects of mold assembly parameters on arc thickness difference, discharge load and burning rate were studied. The results indicate that the discharge load is significantly reduced with the decrease of shrinkage angle of the feed nozzle or compression ratio of the mold within a certain range. Shrinkage angle of the feed nozzle has little effect on burning rate. While the burning rate decreases first and then rises slightly with the compression ratio of the mold decreasing, and the two have little effect on the pressure index. Match position of the mold needle and the copper sleeve has a great impact on arc thickness difference. Mold needle and copper sleeve reach the best match position when the angle β?between the maximum clearance difference section and the horizontal section is 70°-90°.

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备注/Memo

备注/Memo:
收稿日期：2020-08-12
第一作者：郑再芳（1992－），女，助理工程师，主要从事固体推进剂的研究。E-mail：zhengzaifang@yeah.net
通信作者：谢波（1979－），男，高级工程师，主要从事固体推进剂的研究。E-mail：19094609@qq.com
更新日期/Last Update: 2021-04-09