What are the names of 3 die casting surface defects?
能否说出3种压铸件表面缺陷？
In order to improve the abrasion-resistant on the casting surface, this paper has studied surface alloy-reinforced composites.
为了提高铸件表面的耐磨性，本文研究了合金增强表面耐磨复合材料。
Casting surface quality which is determined by casting parameters, affects the performance of mechanics and electrical conductivity.
铸件的表面质量影响着铸件的力学性能和导电性能，而表面质量与拉铸工艺参数有关。
Based on the digital image processing technique, a method for automatically measuring the three-dimensional parameters of casting surface roughness is put forward.
提出了一种用计算机对铸造表面粗糙度进行数字图像处理和三维参数自动检测的方法。
The strength, toughness and surface hardness of medium Manganese austenitic steel have been increased greatly by casting surface alloying and complex modification.
通过铸造表面合金化和复合变质处理，使中锰奥氏体钢的强度、韧性和表面硬度显著提高。
In order to improve the cold fatigue, hot fatigue and mechanical fatigue resisting performance of the moving blade, grain refinement is required for the casting surface.
为了提高动叶片的抗冷热疲劳和抗机械疲劳的性能，铸件表面需进行晶粒细化。
In order to improve the abrasion-resistant on the casting surface, the low-Cr cast iron matrix composite reinforced by WC particles in sand mold was made in the experiment.
为了提高铸件表面的耐磨性，实验以低铬铸铁为基体，WC颗粒为增强体，制备出颗粒增强表面耐磨复合材料。
In this paper the pivotal complication affecting casting surface alloying is studied. And the appropriate surface alloying process is put forward to improve the hard wearing and thermostability.
本文研究了影响铸件表面合金化的关键因素，研究出了适宜的提高耐磨、耐热性的表面合金化工艺。
New casting technologies including fluxless melting and nonchromated anodisation surface treatments are emphasised.
重点介绍了新的铸造技术，包括无熔剂熔炼和非铬化阳极处理。
The crash is expected to displace around 350 tonnes of debris, pushing a cloud up as high as 10km above the surface and casting the dust into direct sunlight for the first time in millions of years.
这次撞击预计将掀起近350多吨的碎片，形成约10公里高的烟尘团，将这些尘土数百万年来首次曝露于阳光的直接照射之下。
Casting sintering is a new technique by which iron-based surface composites are produced.
铸造烧结法是一种制备铁基表面复合材料的新工艺方法。
Is a development and design, mold making, precision casting, machining, surface treatment as one of professional manufacturers.
是集开发设计、模具制作、精密铸造、机械加工、表面处理为一体的专业生产企业。
The steel dies with high dimensional accuracy, low surface roughness and long service life have been quickly produced by using prototyping resin molds as patterns of ceramic investment casting.
直接利用激光快速成型的原型树脂模，结合陶瓷型精密铸造技术，制得了高精度、低表面粗糙度、高使用寿命的钢模具。
The factors influencing rising delaying time of liquid surface in low pressure casting were investigated by orthogonal testing for hydraulic simulation.
采用水模拟正交试验研究了影响低压铸造液面上升延迟时间的各因素。
It is considered that the temperature fluctuation of meniscus is a key factor for the surface defect formation of continuous casting billets.
据此认为，连铸弯月面温度波动是导致铸坯表面缺陷产生的一个重要原因。
We can provide customers from product design, mold development, mold making, casting production, precision machining, surface treatment for the integrated enterprise.
我们可为客户提供从产品设计、模具研发、模具制造、压铸生产、精密机加工、表面处理为一体的企业。
Crystal instrument is the key part of plane casting, the structure affects directly the surface quality of drawing material.
结晶器是水平连铸工艺中的关键工装部件，其结构直接影响拉拔管材的表面质量。
Surface treatment of zinc casting artworks such as electroplating and colouring processes as well as composition of the solutions is described.
介绍锌合金铸造工艺品的电镀、着色等表面处理工艺和处理溶液的组成。
The experiment shows that adopting protective casting technology can reduce reoxidation and improve the internal and surface quality of block.
试验结果表明采用钢包注流保护浇注技术可降低二次氧化，提高铸坯内在和表面的质量。
Centrifugal casting, compact structure, free from pinhole porosity and slag, smooth surface and even wall thickness.
高速离心铸造，组织致密，无砂眼、夹渣，表面光滑、壁厚均匀。
The parting surface designing of investment casting mould to turbine blade is a difficult job which needs more experience and influence the configuration of its mould and process.
分型面设计直接影响精铸模具结构设计与模具加工复杂程度，是一项典型的强经验、弱理论的工作。
The key design points of die for direct squeezing casting and the die with two-parting surface were introduced.
给出了直接式挤压铸造模具和双分型面挤压铸造模具设计技术要点；
The key issues for bronze gnomon casting with integrated and clear surface in investment casting in plaster mold involves to prevent large plate from deformation and to ensure full mold filling.
日晷由锡青铜铸造，其铸造技术的关键是防止大平面的变形和保证良好的充型以获得完整、清晰的表面。
The quality control and measures of producing pure copper strip for copper-clad aluminium conductor was represented, when the strips were in casting, rolling and surface treating.
阐述了生产开发铜包铝线用纯铜带在熔铸、轧制、表面处理过程中的质量控制及其措施。
We are a precision casting manufacturer and provide one-stop service from tooling, casting, heat treatment and surface treatment. The main annual capacity is about 1000 tons.
精密铸造厂家，主要产品为阀、泵、叶轮、食品机械配件等，提供从产品开发、模具制造、铸件、机加工、热处理和表面处理的一站式服务，年产能1000吨。
By varying cast-penetration technics, the influence of thickness and quality in composite layer with si by casting on the surface of cast steel were studied.
研究了不同铸渗工艺对铸钢件表面铸渗硅复合层厚度和质量的影响。
The protective dregs of the continuous casting crystallizer appreciably affect the quality of the casting block surface.
连铸结晶器保护渣对铸坯表面质量具有显著影响。
Alloy coating is prepared by induction melting and casting with the method of direct feeding powder on the surface of a shaft.
介绍了用直接送粉方式在轴类零件表面感应熔铸合金层的工艺原理和实验装置。
A general problem in protecting the casting ingots by using expanded complex mould casting mold powder is the surface defect that slag deposition can be evolved easily in ingots head.
使用膨胀型复合模铸保护渣保护浇注钢锭，普遍存在的一个问题是容易使钢锭产生头部积渣这一表面缺陷。
A general problem in protecting the casting ingots by using expanded complex mould casting mold powder is the surface defect that slag deposition can be evolved easily in ingots head.
使用膨胀型复合模铸保护渣保护浇注钢锭，普遍存在的一个问题是容易使钢锭产生头部积渣这一表面缺陷。
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