机械工程教学设备
MECHANICAL ENGINEERING EQUIPMENT FOR COPPERBELT UNIVERSITY.
NO. | NAME OF GOODS OR RELATED SERVICE | TECHNICAL DESCRIPTION | QTY. |
1 | CNC Turning Center 数控车削中心 | Brief Description 简要说明 This is a lathe with a computer numerical control. Its sophisticated turning centers can also perform a variety of milling and drilling operations. 这是一台带有计算机数控的车床。 其精密的车削中心还可以执行各种铣削和钻孔操作。 | 1 |
Purpose 目的 The University is buying the Turning Centre to train students on basic and advanced machining techniques with the use of numerical and computer control. The techniques will involve contour, taper and form turning, chamfering, facing, threading, boring, drilling, milling, etc. 该大学正在购买车削中心，通过数字和计算机控制来培训学生基本和*的加工技术。 这些技术将涉及轮廓，锥度和形状车削，倒角，饰面，螺纹，镗孔，钻孔，铣削等。 |
| ||
Main Specifications 主要技术参数 The CNC Turning Centre should have all the major accessories including but not limited to a hydraulic tailstock, a tool pre-setter, a parts changer and catcher, a CNC control system with capabilities of macro programming, 3 jaw hydraulic chuck, a swarf conveyor, an interlocked guard and automatic lubrication. CNC车削中心应具备所有主要附件，包括但不限于液压尾座，工具预置器，零件更换器和捕手，具有宏编程功能的CNC控制系统，3爪液压卡盘，切屑输送机， 互锁护罩和自动润滑。 Equipment Capacity 设备容量
Weight: 重量 Approx. 5000 kg 约5000kg |
| ||
2 | Universal Bench Mounted Frame 通用安装台架 | Brief Description 简要说明 A complete Frame for mounting of experiments in statics, strength of materials and dynamics. 用于安装静力学、材料强度和动力学实验的框架。 | 3 |
Purpose 目的 The Frame shall be used for mounting of experiments in structures used in statics, strength of materials and dynamics. The frame is supplied as disassembled. 框架应用于在静力学中使用的结构，材料强度和动力学中进行实验。 框架以拆卸的形式提供。 | |||
Main Specifications 主要技术参数 The Frame should be supplied as dis-assembled with the following components: 框架应按以下组件拆卸提供：
| |||
3 | Parabolic Arch 抛物线拱分析仪 | Brief Description 简要说明 The parabolic arch to be supplied should be equipment used in analysing the construction and stress components in bridges, cathedrals, and elsewhere in architecture and general engineering. 提供的抛物线拱应该是用于分析桥梁，大教堂以及建筑和一般工程中其他地方的结构和应力分量的设备。 | 3 |
Purpose 目的 Modular structures used to demonstrate the characteristics of a parabolic arch under various load conditions. To show the differences between statically determinate and statically indeterminate arches and to calculate bearing reactions. 模块化结构用于证明在各种负载条件下抛物线拱的特征。 显示静态确定和静态不确定拱之间的差异并计算轴承反应。 | |||
Main Specifications 主要技术参数 The parabolic arch should have loading with a distributed load by way of evenly distributed loads or by point loads or by suspended roadway with loads. Dial gauges should record the deformation of the arch under load, with weights to compensate for the reactions of a fixed bearing. The arch and its accessories should be complete. 抛物线拱应通过均匀分布的载荷或点荷载或悬挂的带有载荷的道路来承载分布荷载。 千分表应记录负载下拱的变形，其重量可以补偿固定轴承的反应。 拱门及其附件应该是完整的。 Technical Properties: 技术性能 The Parabolic Arch should be Parabolically pre-shaped steel arch with minimum length of 1000mm and minimum height of 280mm; it should have a dial gauge; measuring range of 0 – 25mm; graduations of 0.01mm and weights: 12x 1N (8+4 hangers); 10x 1N (shackles); 40x 1N; and 20x 5N. The equipment should be approximately 1200mm long, 500mm wide and 200mm high when stored, and approximately weighing 50kg in total. 抛物线拱应采用抛物线形预制钢拱，小长度1000mm，小高度280mm; 它应该有一个千分表; 测量范围0 - 25mm; 刻度0.01mm，重量：12x 1N（8 + 4悬挂架）; 10x 1N（镣铐）; 40x 1N; 和20x 5N。 设备存放时，长约1200mm，宽500mm，高200mm，总重约50kg。 | |||
4 | Three-Hinged Parabolic Arch 三铰抛物线拱分析仪 | Brief Description 简要说明 This is a humped or curved beam subjected to transverse and other loads as well as the horizontal thrust at the supports. 这是受到横向和其他载荷以及支撑处的水平推力的隆起或弯曲梁。 | 1 |
Purpose 目的 To train students on three-hinged arches (unsymmetrical and symmetrical) and the application of the method of sections and the conditions of equilibrium. Also, it shall be used to calculate the bearing forces for point load, distributed load and moving load. 培养学生三铰拱（不对称和对称）以及剖面方法和平衡条件的应用。 此外，它还应用于计算点荷载，分布荷载和移动荷载的承载力。 | |||
|
| Main Specifications 主要技术参数 The three hinged parabolic arch should be complete and used for investigation of statically determinate three-hinged arches, which should include 3 hinges and 3 arch segments. The arch should be subjected to point load, distributed load or moving load. 三个铰接抛物线拱应完整并用于静态确定三铰拱的研究，其中应包括3个铰链和3个拱段。 拱应承受点荷载，分布荷载或移动荷载。 The Equipment 设备 The Arche should be made out of aluminium with the following specifications: 抛物线拱应由铝制成，具有以下规格：
Dimensions and Weight 尺寸和重量 LxWxH: min. 1200 x 500 x 200 mm (storage) Weight: approx. 60kg (total). LxWxH：小 1200 x 500 x 200 mm（存储） 重量：约60KG（总计）。 |
|
5 | Dynamic Behaviour of Multistage Spur Gears 多级直齿轮的动态特性仪 | Brief Description 简要说明 This unit is used to study the dynamic behaviour in single-stage, two-stage and three-stage spur gears during transient operation. The trainer includes four parallel shafts, three drive wheels and three drive gears. 该单元用于研究瞬态运行期间单级，两级和三级正齿轮的动态特性。 该训练器包括四个平行轴，三个驱动轮和三个驱动齿轮。 | 1 |
Purpose 目的 The equipment shall be used to train students on how to determine the angular acceleration on gears; the mass moment of inertia of the gear; and the friction and gear efficiency. 该设备应用于培训学生如何确定齿轮的角加速度; 齿轮的质量惯性矩; 以及摩擦和齿轮效率。 | |||
Main Specifications 主要技术参数 The multistage spur gear lab should have optional attachable flywheels to increase the rotational inertia on each shaft, with the gear accelerated via cable drum and variable set of weights. Clamping of the roller freewheel should enable free further rotation after the weight has been released. The equipment should have inductive speed sensors on all drive gears and software for data capture via USB under Windows 7 -10. 多级直齿轮实验室应具有可选的可附接飞轮，以增加每个轴上的转动惯量，齿轮通过电缆卷筒和可变重量组加速。 在释放重物后，夹紧滚轮飞轮应能够自由地进一步旋转。 该设备应在所有驱动齿轮上安装感应式速度传感器，并在Windows 7-10下通过USB捕获数据。 Technically, the spur gear should have 3-stage gear with 4 shafts; drive with sets of weights ranging from 5 to 50kg; drop height of maximum 0.65m and maximum potential energy of 320Nm; with measuring range speed of 0 - 2000 min-1. The equipment should measure 970mm long, 760mm wide, and 1550mm high, and weighing approximately 155kg. 从技术上讲，正齿轮应该有3级齿轮和4个轴; 驾驶时的重量范围为5至50千克; 跌落高度大0.65m，大势能320Nm; 测量范围速度为0 - 2000 min-1。 该设备长970mm，宽760mm，高1550mm，重约155kg。 | |||
6 | Dynamic Behaviour of Multistage Planetary Gears 多级行星齿轮的动态特性分析仪 | Brief Description 简要说明 This is a special type of gear drive, in which the multiple planet gears revolve around a centrally arranged sun gear. The planet gears are mounted on a planet carrier and engage positively in an internally toothed ring gear. Torque and power are distributed among several planet gears. 这是一种特殊类型的齿轮传动装置，其中多个行星齿轮围绕中心布置的太阳齿轮旋转。 行星齿轮安装在行星齿轮架上并且可靠地啮合在内齿齿圈中。 扭矩和动力分布在几个行星齿轮之间。 | 1 |
Purpose 目的 The equipment shall be used to train students on how to determine the transmission ratio for a locked gear, gear acceleration under constant driving torque and measure the transmitted forces for a locked gear. The lab should also provide training on how reduced mass moment of inertia, conversion of potential energy into kinetic energy and determination of friction and gear efficiency. 该设备应用于培训学生如何确定锁定齿轮的传动比，恒定驱动扭矩下的齿轮加速度以及测量锁定齿轮的传递力。 实验室还应提供有关如何减少质量惯性矩，将势能转换为动能以及确定摩擦和齿轮效率的培训。 | |||
Main Specifications 主要技术参数 The multistage planetary gears lab should be able to investigate the dynamic behaviour of a 2-stage planetary gear, with three planet gears per stage and with four different transmission ratios possible. The gear is accelerated via cable drum and variable set of weights which are raised by hand crank. A provisional ratchet should be able to prevent accidental release. The equipment should have inductive speed sensors and software for data capture via USB under Windows. 多级行星齿轮实验室应该能够研究两级行星齿轮的动态特性，每级有三个行星齿轮，可能有四种不同的传动比。 齿轮通过电缆卷筒和由手摇曲柄提升的可变重量组加速。 临时棘轮应该能够防止意外释放。 该设备应具有感应式速度传感器和软件，以便在Windows下通过USB进行数据采集。 The Equipment should be supplied as a machine with 2-stage planetary gear with all necessary components; drive with set of weights 5 – 50kg and maximum potential energy of 250Nm; load at standstill with weight forces of 5 – 70N; and measuring speed range of 0 - 2000min-1. It should weigh approximately 150kg. 设备应作为带有两级行星齿轮的机器提供，并带有所有必要的部件; 以5至50千克的重量驱动，大潜在能量为250牛米; 静止载荷，重力为5 - 70N; 测量速度范围为0 - 2000min-1。 它应重约150公斤。 |
所有评论仅代表网友意见，与本站立场无关。