How To Write Cnc Lathe Programs' title='How To Write Cnc Lathe Programs' />What are CNC Machines How CNC Machine Works How the CNC Machine WorksComputer numerical control CNC programmers create and write programs that are used to operate manufacturing tools and equipment. Applicable coursework can be found. The Baron CNC milling machine from CNC Masters is specifically designed for those who need efficiency in a compact space. Click here for more informationThe CNC machine comprises of the computer in which the program is fed for cutting of the metal of the job as per the requirements. All the cutting processes that are to be carried out and all the final dimensions are fed into the computer via the program. The computer thus knows what exactly is to be done and carries out all the cutting processes. CNC machine works like the Robot, which has to be fed with the program and it follows all your instructions. Some of the common machine tools that can run on the CNC are Lathe, Milling machines, Drilling Machine etc. The main purpose of these machines is to remove some of the metal so as to give it proper shape such as round, rectangular, etc. In the traditional methods these machines are operated by the operators who are experts in the operation of these machines. Most of the jobs need to be machined accurately, and the operator should be expert enough to make the precision jobs. In the CNC machines the role of the operators is minimized. The operator has to merely feed the program of instructions in the computer, load the required tools in the machine, and rest of the work is done by the computer automatically. The computer directs the machine tool to perform various machining operations as per the program of instructions fed by the operator. You dont have to worry about the accuracy of the job all the CNC machines are designed to meet very close accuracies. In fact, these days for most of the precision jobs CNC machine is compulsory. When your job is finished, you dont even have to remove it, the machine does that for you and it picks up the next job on its own. This way your machine can keep on doing the fabrication works all the 2. Most of the manufacturing companies are now equipped with the CNC machines as the markets have got very competitive however, getting the expert labors for operating these machines is becoming quite difficult. Even the machine operators of these days prefer to operate the machine by programming instead of operating it manually. In most of the machine tools training institutes the new operators are taught manual machining as well as CNC machining and programming. Axis backlash adjustment and backlash compensation parameters for CNC machinery. What is Backlash One of the main reasons your CNC machine loses its accuracy, is due to you got it backlashBacklash is the mechanical loss of motion that can result from a mechanical or electrical problem. Basically backlash is the amount the screw has to rotate when reversing directions before the table or turret start to move. How is backlash compensated Backlash can be tested with indicators, lasers, ballbars or other measuring devices to determine how much motion is lost when an axis reverses direction. This value is entered in the machines parameters, so when an axis changes direction, it compensates the amount in the parameter to determine when the axis will physically move. The value of the parameter is usually in millimeter. Below, are the common parameters and program to run backlash test. Remember to Write down original values first Also, you may want to set the backlash comp first to zero to get the total amount of backlash to make sure it is not excessive. Reading should usually be below. Anything above. 0. Where is the backlash coming from Make sure the bearings are pre loaded properly. Run the each axis separately in a rapid program. Does it sound like a low growl Compared to the other ones. If yes the bearings are bad. The problem could be any or a combination of the following ballscrew or nut, bearings, ways, linear guides, belts, gears, coupling devices, and key stock. NOTES Write down original values in parameters first. Parameter value of 1. Fanuc controls. Other manufacturers may be different. Also, some controls have a rapid and feed backlash, feed is usually all that needs to be adjusted. Backlash Parameters. Crack Bluetooth Remote Control. X5. 35,Y5. 36, Z5. X5. 3, YZ5. 4, Z5. X1. 15, YZ1. 16, Z3rd1. I,1. 8I,2. 1I XYZ1. MX3 X6. 40. 0, Y6. Z6. 40. 2LX3 X6. YZ6. Z6. Backlash explanation Good articlehttp www. Reference Libraryezinebacklash.