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- Sand core of water jacket for 462Q engine cylinder bolck was made of phenolic aldehyde resin sand by hot boxprocess.Domestic ZZ8612 core machine was in priority chosed to design hot box. 选用酚醛树脂砂热芯盒法制作462Q气缸体水套砂芯,以国产ZZ8612射芯机作优先选用机型设计热芯盒,合理选择射砂方向及垂直分盒,确保细窄部位成型及砂芯的整体质量;
- This paper The cause of the scab of the inside surface of cylinder block on condition that the resin sand cores are made in cold core box. 本文分析了冷芯盒村脂砂芯条件下缸体铸件内腔结疤的原因。
- Research on Application of Cold Box Resin Sand Core Making Process in Our Foundry 冷芯盒树脂砂制芯工艺的应用研究
- Keywords out frame of casting;gap sprue;resinous sand mold;resinous sand core; 铸件外框架;缝隙浇口;树脂砂型;树脂砂芯;
- A new kind of polyacrylate resin sand for warmbox process was studied. 研究了以聚丙烯酸酯树脂为粘结剂,温芯盒固化的树脂砂制芯新工艺;
- We are outstanding in making foundry pattern for molding line of self-solid resin sand, pattern for molding line of green sand, hot and cold core box for various core shooter, core-setting jig and core positioner in large-batch production. 我们致力于设计并生产高质量的金属模具,材质可以是铸铝、铸铁、铸铜、钢,同时也可以生产木模、塑料模。
- One of main reasons to result in casting hot tears is poor yieldability of the mold(core),particularly when thin wall steel castings are produced by a no-bake resin sand,the problem is more serious. 热裂产生的主要原因之一就是型(芯)砂容让性差,尤其是用自硬树脂砂生产薄壁铸钢件时,这个问题显得特别突出。
- One of main reasons to result in casting hot tears is poor yieldability of the mold(core),particularly when thin wall steel castings are produced by a no bake resin sand,the problem is more serious. 热裂产生的主要原因之一就是型(芯)砂容让性差,尤其是用自硬树脂砂生产薄壁铸钢件时,这个问题显得特别突出。
- DP2、 D4 are mainly used for ramming sand core of small mould in foundry practice, whereas. D4型气动捣固机,主要用于铸造行业捣固砂芯或小砂型。
- The reason causing nodularization degeneration in surface layer of furan resin sand nodular iron castings was analyzed. 对呋喃树脂砂球墨铸铁件表层球化衰退原因进行了分析。
- Copper approach gradually enriched the emergence of lost wax casting, resin sand casting, foundry casting. 铜铸方法逐渐丰富,出现了失蜡法铸造,树脂砂铸造,翻砂铸造。
- This product is designed for used resin sand with the functions of crushing, screening and demolding. 该系列产品主要用于树脂砂旧砂的再生.;它集破碎、筛分、脱膜多功能于一体。
- The relationship between calcium stearate and sand core as well as casting quality of cylinder head of diesel engine for example ... 同时,以柴油机缸盖砂芯和铸件为例,分析了硬脂酸钙与砂芯和铸件品质的关系。
- The condensation mechanism of resin is ana-lyzed and the technological properties of resin sand is determined. 探讨了该树脂砂的缩合机理,并测定了树脂砂的各项性能。
- Teh suitable diluent and dilute sodium silicat were studied and developed. The productive testsshowed that the sand core possessed good strength and collapsibility. 通过对稀释水玻璃特点的研究,试验选定了一种稀释剂,研制出一种性能良好的稀释水玻璃,生产验证表明,用其制造的型芯具有良好的溃散性。
- Based on physicochemical test of resin film and analysis of resin sand properties, the CO2 gas-hardened mechanism of PANa resin sand was discussed. 通过对树脂膜的理化分析和对树脂砂性能试验,探讨了聚丙烯酸钠树脂砂CO2硬化机理。
- Direct shell-making method was adopted in producing narrow flow-channel close impeller to avoid using water-soluble sand core and to reduce production cost. 生产封闭式窄流道叶轮,为降低成本,可避免使用水溶砂芯,采取直接制壳的方法。
- The Influence of colophony addition on hot cracking tendency and tensile strcngth at roomtemperature of precoated phenolic resin sand is investigated. 研究了天然树脂(松香)对覆膜砂的常温抗拉强度、热开裂倾向等性能的影响。
- Dissertate and extend the necessity of usiny the new technology and the new crafts of resin sand from quality cost and efficiency aspects. 从质量、成本、效率三方面论述推广、使用树脂砂新技术、新工艺的必要性。
- A new process using alkaline resin sand mould is introduced and the cause for the improvement of quality by this new process is discussed. 介绍了用碱性酚醛树脂自硬砂工艺代替呋喃树脂自硬砂工艺后消除缺陷、提高球铁曲轴品质的机理。