George Ure asked:


We cut a metal sheet through intense laser beams to generate different shape or to fulfill different functions. The total procedure is done through a machine termed as CNC laser Cutting Machine, which runs on a CNC method in CNC machine shop. CNC is computer numerical control and most of the manufacturing machines run on this technology. CNC has brought a revolution in the industry through this application as various machines are based on this method.

In laser cutting procedure, a beam of high density light energy is focused through a tiny hole of nozzle and when this laser beam strikes the surface of work piece, the material of the work piece is vaporized.  CNC laser cutting process has become popular in the industry, owing to its capability of cutting simple to intricate designs accurately. This is the reason why it is used widely for many applications like architectural, aerospace, electronic, medical, automotive, power generation, biomedical, decorative, petrochemical and so on. Several products that are manufactured through plasma cutting procedure includes brackets, gaskets, cams and assorted mechanisms. The website www.emachineshop.com offers the best comprehensive details regarding the CNC laser cutting machine.

Laser cutting offer low cost for prototypes as physical tooling is not required. The heat distortion is very less and is restricted to 10% of material. This proves much effective in comparison to other sheet cutting procedure available in the market. The advantages provided by laser cutting include less of burrs, maintaining close tolerance, and can be performed on large range of materials. Laser cutting procedure works best on materials like stainless steel, carbon, nylon, wood, plywood, aluminum, polythene, derlin, acrylic and galvanized steel. It is difficult to cut metals like aluminium and copper alloys as they reflect laser light as well as absorb and conduct heat. . Unlike other sheet cutter technique, a software programming is also required to run the laser cutting machine and along with it operator check service needs to install to protect from error.

The material produced possesses a smooth edge and edge quality is usually very good for thin materials - around 1/16″ or less.  This procedure has helped the manufacturing sector immensely as variety of products can be made at the same time.  This has helped in the advancement of industry sector. Various CNC machine shops now also use CNC laser cutting machine for their production along with water jet cutting and CNC machines.

George Ure asked:


CNC machine shops have become very popular nowadays as they have improved the automation industry through their significant features. There are a variety of machine shops available in the market that produce materials through different procedure like Laser Cutting, CNC Vacuum Forming, CNC Turning and CNC Water Jet Cutting. . The use of these procedures depends upon the type of material and its physical properties. For example, laser cutting works well on materials such as carbon and stainless steel, but are not effective on materials made of aluminium and copper alloys. So, other procedure needs to be applied for these material types. All these procedures run on software which is installed according to the procedure opted for material production.

CNC symbolizes computer numerical control required to run manufacturing machines. The CNC machines are run by programmed software and it possesses certain features like the operating structure and firm wires in CNC machine shop. Various shapes for different parts can be easily formed through CNC machine like pointed one, 2D or 3D shapes. These shapes can be formed on even stiff materials and this process also proves economical for making several pieces of similar dimension in one go. These manufacturing machines can be controlled with CNC software system. The CNC machining is of immense help for the mechanical industries as it can provide flexibility to manufacture machine parts of various intricate design and shape.

Previously, the traditional machines were not so advanced in producing the machinery part and they often faced the problem in designing intricate machine parts. But, when CNC came in to the field, the customized machine parts are produced with great precision with the help of the computer updated software system, which are installed to work in the CNC machine shop. NC technique hardware was the first to use CNC machines. In the year 1940 and 1950, a laboratory was opened with the collaboration of MIT Servomechanisms Laboratory by John. T. Parsons. With the launch of CNC machining, a drastic change has taken place in the mechanized and engineering commerce. Every work of the machinery is now performed through CNC machining in CNCmachine shop. The automation process in the engineering industry has improved a lot and the researches are going on to discover new applications and new vistas of CNC machining.

Some machines can produce one thousand pieces simultaneously and sometimes no operator or checking sensors are required. The movement of the machines depends totally on the software programming and sometimes they move in a perpendicular form or sometimes in a circular form.

George Ure asked:


CNC Turning process is a simple method of shaping a metal or wood on a lathe. It is a machine tool that spins or turns a block of material to achieve rotational symmetry in a machine shop. Turning can be done manually or using a CNC machining. The computer numerically controls CNC machine. A typical CNC machining center is designed to remove material using a rotating cutter that moves laterally to a work piece mounted onto a table or fixture.

In the CNC turning process, a piece of material is rotated on the lathe and a cutting tool is traversed along two axis of motion, transverse or longitudinal. The process is done in a machine shop. The cutting tool is used until the required depth and dimension is achieved. Turning can be on both sides, inside or outside as per the needs and specifications. The rotation occurs at the turning center that enables control of tool motion through computer programs that use numeric data. Parts that are too large to balance and cause difficulty in rotating around one center point, can be worked on a machining center featuring a U axis. The turning length is about 1000mm between centers and has a drive power and speed range up to 46kW and 4,000 revolution/minute respectively.

CNC turning process cuts the metal into various different shapes ranging from plain surface, taper ends, contour, and filter to radius profiles and threaded surfaces. These cut and turned metal pieces are used to create shafts, rods, hubs, bushes, pulleys and much more. Many industries also use it for fabricating parts and materials that have circular cross section. The process applies well to the most rigid materials that can be controlled exclusively with the software program tooling. The process does reduce the cost of production but on the other end, it limits the design flexibility.

CNC turning machines are said to deliver components at a faster production rate with optimum manufacturing accuracy. The automation of the CNC turning process allows reaching tight dimensional tolerances in every piece. Other advantages are high level of parts consistency or uniformity, achievement of optimum cycle times for all components and faster execution of larger volume. As machines have brought a revolution in the industrial world, new technologies provided by emachineshop, boost the use of metal products.