The process that makes high wear-resistant alloy coating on hackle screens by means of high frequency induction build-up welding which improves the service lives over 2 times are introduces.

Welding Hardness Research and Service life Check for spot Welding Straight electrode

点焊直电极的焊接硬度研究和使用寿命考核

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This paper ana1yes the basic structure, work principle, usages and notice items of PC-60 air plasma arc cutting machine, and lists the common trouble phenomena, causes and solutions.

分析了PC-60型空气等离子弧切割机的基本结构、工作原因、使用方法和注意事项；例举了其常见故障现象、产生原因和排除方法。

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The principle and adjustment result re of the main circuit, control circuit and program control circuit of our KLG-50 plasma arc cutting machine are introduced in this paper.

本文介绍了KLG-50型空气等离子弧切割机的主回路，控制电路和程序控制电路的工作原理及调试结果。

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The Development of KLG-50 Plasma Arc Cutting Machine

KLG-50型空气等离子弧切割机的研制

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Ordinary plasma arc cutting machine power supply.

普通等离子弧切割机的电源。

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This control system of flmae/ plasma cutting machine we developmented, not only hold the flame cutting's function of auto pierce and auto torch height control. but also get the plasma cutting's function of auto initial height set and arc voltage height control.

本火焰／等离子数控切割机控制系统，不仅具有火焰切割的自动穿孔和电容自动调高功能，而且还具有等离子切割的初始定位和弧压调高功能，并可实现割缝补偿，任意曲线切割。

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In this article, some main factors which affected the performance of plasma cutting machine is introduced, which including material of workpiece, cutting current, air pressure and flux, nozzle diameter and operating method, the material of electrode and the consumptive features.

介绍了影响等离子切割机使用效果的几个主要因素如工件材质、切割电流、空气压力和流量、喷嘴孔径、操作手法等，以及电极制造材料和消耗特性。

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In this paper, a simple and useful logic control circuit of the plasma cutting machine is introduced, it controlls the Plasma cutter by the way of triode, comparing element and resistance and capacitance and so on.

介绍了一种简单实用的等离子切割机逻辑控制电路，该电路只采用三极管、比较器、电阻、电容等器件实现了对等离子切割机的控制。

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Power supply is the core of an air plasma cutting machine. According to load characteristics of plasma arc and requisition of cutting technic, it applies modern power electronics and automatic control theory to realize power transform and control.

切割电源是空气等离子切割机的核心，是针对等离子弧负载特性和切割工艺要求，应用现代电力电子学理论和自动控制理论，实现电能的高效率变换和控制的电源变换器。

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The company's main products are as following: Pictorials& Aeropittura machine, Engraving machine, Plasma Cutting Machine, Cutting Plotter and so on.

公司主要产品包括：写真机、喷绘机、雕刻机、等离子切割机、刻字机等。

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Plasma cutting machine has the great advantages in cutting speed, cutting quality, and the material saving, more and more get the favour of machinery manufacturing enterprises.

等离子切割机床凭借其在切割速度、切割质量和材料节约等方面的巨大优势，越来越受到机械制造企业的青睐。

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Steel cutting is the first working procedure of shipbuilding, and advanced NC plasma cutting machine is used widely.

钢材切割是船舶制造的第一道工序，先进的数控等离子切割机的使用不断增多。

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Repair of Nozzel and Electrode of Air Plasma Cutting Machine

空气等离子切割机电极及喷咀的修理和维护

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Numerical Control System for Swing Plasma Cutting Machine

旋臂式等离子切割装置数控系统的研究

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To improve the quantity of bearing cleaning and fulfill the ask of environment protection, need to find a new ultrasonic cleaning lotion, search a better way for bearing cleaning and design a new kind of ultrasonic cleaning machine that use the new lotion.

为了提高轴承清洗效果、满足环保要求，需要探索新型环保清洗剂、研究新的轴承清洗方式、开发新型轴承清洗设备。

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To enhance the production efficiency and clean degree of rubber plug and to improve the working environment, the new ultrasonic rubber plug-cleaning machine is used in the preparation workshop.

为了提高生产效率和清洗洁净程度，改善工艺人员工作条件，制剂生产车间使用了新型超声波胶塞清洗机。

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An ultrasonic vibration cleaning machine for kinescope

超声波显像管振动清洗机的研制

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Design of the ultrasonic automatic cleaning machine

超声波自动清洗机的设计

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METHODS Two groups were compared, one group was that putting the instrument to be cleaned directly in ultrasonic cleaning machine then going to be cleaned by normal method;

方法被清洗器械直接放入超声清洗机内按程序洗涤和采用人工刷洗后再放入超声清洗机内按程序洗涤作对比。

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Auto-control of Ultrasonic Cleaning Machine

超声波清洗机的自动化控制

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