连续式渗碳炉设计时,应考虑脱脂问题。
When designing a continuous type carburizing furnace, it is necessary to take account of degreasing.
介绍了新研制的预抽真空式可控气氛气体渗碳炉。
A newly developed BBH pre - vacuum - pumping carburizing furnace has been introduced in this paper.
着重讨论了渗碳炉、铜、铝等液态金属熔体温度检测技术。
The discussion on the temperature measuring techniques for liquid metal melts of copper, aluminum and the melt in a cementite furnace etc. is put stress on.
试验结果表明,增加渗碳炉内压力可加快渗碳速度,缩短渗碳周期。
The results show that pressure carburizing process can enhance the speed of carburizing and shorten the carburizing time.
主要介绍井式渗碳炉渗碳过程中单片机控制系统的构成和设计要点。
This paper mainly introduces the construction and designing essentials of microcontroller control system in cementite process of pit cementite furnace.
利用流体动力学的基本原理用计算机模拟了大尺寸齿轮在井式渗碳炉内进行气体渗碳时的流场分布。
The computer simulation of fluid flow in pit furnace when large sized gears gas carburized has been done using the theory of hydrokinetics.
本文是在分析热处理车间设备—渗碳炉与工艺现状的基础上,提出了对渗碳工艺实现自动控制的硬件系统与软件系统的总框架。
This paper put forward a total frame of software and hardware of auto-control that is applied in heat-treatment technology of carbon potential furnace.
周期:产品在炉中某特定温度下渗碳或硬化所需要的时间。
CYCLE time: Amount of time product spends in a furnace at specified temperature for the purpose of carburizing or hardening product.
将其中试样A通过氧化-还原处理,表面具有层状结构,与另一脱碳试样B一起放入改造后的电阻炉内在通氢气的气氛中进行渗碳淬火。
Sample A whose surface has layer structure via oxidize-deoxidize treatment and sample B which is decarbonization are put into resistance furnace for carbonization and quencher under hydrogen.
用自行研制的多用途离子热处理炉研究了离子渗碳的有关工艺问题。
The process problems of ionic carburizing were studied with the furnace made by ourself.
分析了在甲醇-丙酮为渗剂条件下的气体渗碳的炉气成分;
This paper analyses the compositions of furnace atmosphere with methanol-acetone dropfeeding agent.
对实验室固体渗碳(P管)和裂解炉运行渗碳(S管)的乙烯裂解管进行了研究。
The ethylene cracking tubes pack-carburized in a laboratory(P tube) and carburized during servicing in a cracking furnace (S tube) are studied.
平时作为加热炉使用的石墨流态粒子炉,在无需添加任何辅助装置、只需在石墨粒子中加入极少量的催化剂在渗碳温度下即可实现渗碳。
Graphitic particle furnace which is a general furnace in usual can be served as carbonizing by adding a litter catalyst, without any assistant devices on carbonizing temperature.
该系统具有较高的控制精度和可靠性,适用于单台或多台井式炉气体渗碳的控制。
This system has higher con-trolling precision and reliability, and is suitable for the control of gas, carburizing of the one or multiple pit furnaces.
根据所采用渗碳钢的化学成分及渗件表面合联量,对炉气联势进行定量控制。
According to carburizing steel's chemical composition and ore's case carbon requirements, the carbon potential of furnace inside atmosphere is controlled quantitatively.
针对传统可倾式渗碳转筒炉无法精确控制碳势的缺点,设计制作了可控气氛转炉并进行了试生产。
Considerate that normal rotary hearth furnace can't control the carbon potential precisely, we designed rotary hearth furnace with controlled atmosphere and then managed to use it in manufacturing.
本文是采用氮、甲醇基渗碳气氛渗碳,对炉内气氛进行计算。
The furnace atmosphere was calculated under the condition of carburizing in the nitrogen-methanol based atmosphere in this paper.
负压渗碳的设备是对真空炉进行改造,使得真空炉能够进行真空烧结和气氛负压渗碳。
The vacuum furnace is adapted to meet both vacuum sintering and carburizing at negative pressure.
改变炉压可迅速排除炉膛内氧、水蒸气等有害气体,可加速渗碳、渗氮过程。
By altering the furnace pressure rapidly, baneful gases, such as oxygen and vapour, could be eliminated from the chamber. Therefore, cementite and nitriding processes are accelerated.
通过热处理工艺改进,调整了渗碳淬火工艺参数并改变了装炉方式,提高了齿轮轴接触精度和使用寿命。
The improved heat treatment process was obtained by adjusting technology parameters and changing parts loading mode. As a result, the contact accuracy and life of countershaft were improved.
热处理1949年前,北京已采用电炉、盐溶炉、热电偶等手段进行零件退火、回火、淬火、正火、调质、渗碳等热处理。
Before 1949, Beijing has heat treatment furnace, salt dissolved by thermocouples means furnace, quenching and tempering, parts of annealing, normalizing, quenching and tempering, carburizing and etc.
热处理1949年前,北京已采用电炉、盐溶炉、热电偶等手段进行零件退火、回火、淬火、正火、调质、渗碳等热处理。
Before 1949, Beijing has heat treatment furnace, salt dissolved by thermocouples means furnace, quenching and tempering, parts of annealing, normalizing, quenching and tempering, carburizing and etc.
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