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- 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。
- No bake phosphate mixture,composed of the binder,high chromite corundum sand and fused magnesia powder,has good room and high temperature strength,moderate retained strength and low hydroscopicity. 合成了高中和度复合铝磷酸盐粘结剂,用它与高铬刚玉砂、电熔镁砂粉配制的磷酸盐自硬砂,具有较好的常温强度、高温强度,适中的残留强度和低吸湿性。
- For the no bake cheesecakes, the filling covers a crust, which may be pastry, cookie, or digestive biscuit. 至于芝士冻饼,芝士料会放在饼底之上,我们习惯会用挞皮、曲奇饼或消化饼。
- 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 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。
- 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。
- 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。
- Keywords thin wall steel casting;hot tearing;yieldability;no bake resin sand; 关键词薄壁铸钢件;热裂;容让性;自硬树脂砂;
- ester- cured water glass no- bake sand shell 酯硬化水玻璃自硬砂壳型
- Replacing quartz sand with mullite sand, the high temperature intension of sand core can be improved, the burr defect is avoiding, the quality and life of track plate and pin are improved. 利用莫莱石砂替代石英砂生产履带板砂芯可提高其抗高温开裂强度,消除履带板销孔的脉纹铸造缺陷,提高履带板与履带销的质量与使用寿命。
- Description: foundry machine. castings. sand casting. sand mill. moulding machine. sand core machine. shot blasting machine. sand treatment equipment. sand box. vibrator. spray gun. hardware. valve. 铸造设备.;铸造器具
- 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。
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- The effect of the MMT content on the bond strength was studied by testing the tensile strength of sanding core. 通过砂芯抗拉强度的测定,研究了MMT的用量等因素对粘结强度的影响;
- The cruel landlord would bate him no rent. 那个狠心的地主不肯给他减租。
- It's all to no purpose. I tell you that you are ploughing the sand. 这都是毫无作用的。告诉你,你是在白费力气。
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- Water Based Sand Core Repair Cream 水基砂芯修补膏