Steel structure CNC machine- CNC h-beam drilling machine (which points you will need to know) Let`s walk into supertime to consult how to select one reasonable CNC h-beam drilling machine for steel beam structure drilling? Suggestions Professional machinery engineers and from end users As we know, in this time, labor cost rise lot and the requirement to processing precision of installed material improving .Automatic CNC machine will replace manual machine. So some points of CNC h-beam drilling...
Generally, the worm has a large pitch. Due to its profile characteristics, the contact surface between the cutting edge and the workpiece is large, and the cutting tool is easily damaged due to the extrusion of iron chips between the workpiece and the tool. Although the operator can use the tool of the elastic shank and feed it with a small depth of cut, the above problem cannot be fundamentally solved. The same problem is faced when machining a worm on a CNC lathe. The machine tool will never...
With the development of the modern mechanical processing industry, the requirements for cutting quality and cutting accuracy of metal plates have been continuously improved, and the functional requirements of CNC cutting machines with high intelligence are also increasing. CNC cutting machine has the characteristics of high cutting speed, precision and cutting quality. However, these characteristics must be continuously expanded to meet the market demand. The development of CNC cutting machines...
In the past ten years, China's CNC cutting machine industry has continuously absorbed advanced cutting technology from abroad. The domestic CNC cutting machine brand has made great progress in terms of technology research and development as well as manufacturing techniques. As the downstream demand market becomes increasingly saturated, In the future, CNC cutting machine equipment will further implement fine processing and intelligent cutting as the main direction to facilitate the processing...
The choice of cutting tool and the determination of the cutting amount are important contents in the numerical control processing technology. It not only affects the machining efficiency of the numerical control machine tool, but also directly affects the processing quality. The development of CAD/CAM technology makes it possible to directly use CAD design data in CNC machining, especially the connection between microcomputers and CNC machine tools, so that the entire process of design, process...
In the NC machining process, when the tool is chipped, edged, deformed, or damaged due to wear, it loses the machining function and cannot guarantee the machining quality of the part. This phenomenon is called tool failure. The main forms of tool damage and its causes include the following: Back face wear Abrasive wear appears on the flank face of the tool, which is caused by mechanical alternating stress. If the tool material is soft, the back angle is small, the cutting speed is too high in...
Jinan Zhongke New Type Woodworking Center Features: 1. The whole bed adopts the steel structure seamless welding tempering aging treatment, strong rigidity, no deformation. 2. Taiwan imported linear square rails, double row four ball slider, large bearing capacity, stable operation, high precision, long life, imported Italian double nut ball screw, high precision, accurate under the knife. 3, the use of the Italian air-cooled spindle 9KW, is imported ceramic bearings, power long life, speed up...
The application and development of mechanical probes The mechanical probes are generally 6mm steel balls. The spring is used to tighten the measuring rod. When the workpiece is touched, it can be retracted, and the circuit can be turned on to send an optical signal. The coordinate position of the measured surface can be obtained by the indication of the photoelectric probe and the machine coordinate position. Need to record the coordinate value of each measurement, and then manually calculate,...
First, the formation of the reasons for the abnormal machining accuracy caused by the formation of abnormal machining accuracy reasons for the strong concealment, diagnosis is more difficult, summed up five main reasons: the machine tool feed unit was changed or changed; machine tool axis offset abnormal zero; Axial reverse voids are abnormal; motor operation is abnormal, that is, electrical and control parts are abnormal; mechanical problems, such as screw, bearings, couplings and other...
1.1 In terms of parts, there are machine tool adjustments to improve the precision of CNC lathe machining. First, how to improve the accuracy of CNC lathe machining from the aspect of mechanical adjustment. In terms of machine tool adjustment, it mainly includes these parts, spindle, bed, and inserts, etc., so that the lathe can meet the requirements, improve the accuracy of CNC lathe processing, and must be regularly monitored during the work process, and must be constantly optimized. The lack...
A tool is a tool used for machining in machining, and is also called a cutting tool. The vast majority of cutting tools are machine-based, but they are hand-friendly. Since the tools used in mechanical manufacturing are basically used for cutting metal materials, the term "tool" is generally understood as a metal cutting tool. The choice of tool is one of the important contents in the numerical control processing technology. It not only affects the machining efficiency of the machine tool, but...
The machining center machine is a high-efficiency automatic machine tool composed of mechanical equipment and numerical control system suitable for machining complex parts. CNC machining center is one of the most productive and widely used CNC machine tools in the world. Its comprehensive processing ability is strong. Once the workpiece is clamped once, it can complete more processing contents with higher processing precision. For batch workpieces with medium processing difficulty, its...
In recent years, the rate of numerical control of mechanical manufacturing equipment has increased rapidly. The use of CNC machine tools such as full-function CNC lathes, CNC vertical lathes, vertical machining centers, and horizontal machining centers has become increasingly popular. Compared with ordinary machine tools, CNC machine tools have many significant process features and programming skills, such as the ability to fully tap the performance characteristics of CNC machine tools,...
Often encountered in the production of NC machine tool machining accuracy failure. This kind of fault concealment is strong and difficult to diagnose. The main causes of such failures are the following: 1) Machine feed unit is changed or changed 2) NULL OFFSET error of each axis of machine tool 3) Axial BACKLASH error 4) Motor operation status is abnormal, ie electrical and control part is faulty 5) In addition, the preparation of machining programs, tool selection, and human factors may also...
One of the strengths of the CNC EDM machine is that the diameter of the hole is very small. For example, the diameter of a hole can be as thin as one hair, and when drilling a very small hole on a hard material. CNC EDM machining is particularly suitable for the processing of hard materials with conductive properties. Machining precision round micro-holes generally range from ¢0.3 to ¢3mm. For example, with a 1.0mm diameter electrode, a drilling depth of 700mm can be achieved. The maximum...
Relative to the ordinary machine tool CNC machining center CNC machine tools with high accuracy, dimensional stability, low labor intensity, easy modern management. However, due to improper operation or programming errors, it is easy to cause the tool or tool holder to hit the workpiece or the machine tool. The light will crash the tool and the machined part. In severe cases, the machine tool component will be damaged and the machining accuracy of the machine tool will be lost. Personal injury....
Safe handling of CNC machining centers. (1) Wear protective equipment before operation. (2) The machine tool operator must grasp the function of each button and the precautions for operation. The protective door of the machine tool must be closed before machining. The tools around the machine must be neatly arranged. (3) When operating the machine, pay attention to the contents of the warning signs on various parts of the machine. When the machine tool is powered on, the operator must never...
Using an end mill to machine a workpiece on a CNC machine tool, it can be clearly seen that the tool center movement gauge does not coincide with the contour of the workpiece. This is because the workpiece contour is formed by the movement envelope of the end mill. The center of the end mill is called the cutter location (4, 5 coordinate CNC machine tool is called cutter location vector), and the motion locus of the cutter location represents the trajectory of the cutter. In NC machining,...
I. Preface CNC lathe machining has been applied more and more in modern manufacturing industry, and it has brought out the advantages that ordinary lathe can not match. The CNC lathe processing mainly has the following features: 1.CNC CNC lathe processing drive chain is short, compared with the ordinary lathe spindle drive is no longer a motor belt gear deputy mechanism speed, but the use of horizontal and vertical feed, respectively, by the two servo motor drive movement is completed, no...
Recently, through the bottom-up investigation of the CNC mold industry, CNC machining mold parts are mostly chamber structures with different sizes. For example, automobile molds usually have large dimensions, mold materials are diverse, and the processing of curved surfaces is difficult, and the processing of workpieces during processing will be difficult. There is a problem of “contact and interference” between the machined workpiece and the tool. Fluttering occurs when the machined workpiece...
As a representative of the advanced productive forces of modern manufacturing, CNC machining plays an extremely important role in the industries of machinery, aerospace, and moulds. Since the 1990s, countries in Europe, the United States, and Japan have been competing to develop and apply a new generation of high-speed CNC machine tools, accelerating the pace of development of high-speed machine tools. High-speed spindle unit motor spindle speed 15000 ~ 100000r/min, high-speed and high...
In the numerical control processing, the process route arrangement, processing strategy and tool selection have a great influence on the processing efficiency, processing quality and processing cost. In the past few years, we have been devoting ourselves to research and experiments in this area. We have achieved certain results in improving processing efficiency and reducing tooling costs. The following takes the car crankshaft type forging die and PowerMILL as the programming software as an...
Networked CNC machining is facing one of the most basic and most realistic problems. It is web browsing and publishing of product graphics. Through the three-dimensional graphics published on the Internet, users can intuitively browse product design and processing information to facilitate product prediction, product design, product analysis and product processing. However, the graphics published by the Web are generally in the format of a bitmap, so that the 3D graphics displayed on the client...
The direction of high-speed and heavy-load development of China's railway transportation has increasingly high requirements on the quality of railway axles. Therefore, the production process and equipment requirements for railway axles are continuously increasing. Our factory is one of the main bases for the production of axles of the CSR Group. After several technical transformations, the axle machining production line is gradually adopting CNC equipment. Currently, CNC machine tools account...
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