Dazixe Dazixe. Download PDF. A short summary of this paper. This set of exercises is to support you with the CNC training and to facilitate your preparation. A flexible application of the book is intended. You are free to decide which approaches to choose for which exercise at what time and whether to apply it in frontal, group or individual teaching mode, just according to the particular training situation. Therefore, the exercises do not depend on each other in a firm sequence.
Copying of all documents from the exercise and solution volumes as class sets stating the originator and only for training services is permitted. We hope that this set of exercises gives you new suggestions and facilitates your daily preparation work. We wish a wide range of application as well as enjoyable and successful work.
The blank is made of AlMg1 dimensioned x x 50 mm. Prepare the production on the MTS - Simulator. Define the workpart zero, plan the operation sequence, work out the process layout and the set-up form.
Test and correct the program. Learning Objective: The learner is able to describe the structure of a simple NC milling program and to write parts of it on his own. He knows the essential steps of set-up, edit and automatic modes in the CNC Simulator for Milling and comprehends them in the proper sequence. Special Training Set up and machine a blank at the simulator; select and set up tools. FNC 9. N G91 G28 X0. H6 N G0 X N G0 Z2. N G1 Z F40 M7 N G0 Z2. N G0 X N G0 Y N G0 Z H3 N G0 Y F M7 N G0 Z2.
H2 N G0 X F M7 N G1 Y F N G1 X N G1 Y N G1 X Use a maximal cutting depth of 5mm for the separate cuts. Learning Objective: The learner can accomplish simple steps at the MTS CNC Simulator such as to start CNC simulation software, select operation modes, referencing, set up tools, define tool zeros, set up blank and fixture, generate, test and correct simple NC programs. Elements: Use simple canned cycle G G90 is a modal cycle. G80 or G0,G1 cancles G DNC N G90 X N X N G00 X N G42 G01 Z0.
N G01 Z N G01 X N G40 N G00 X Use the commands G00 and G H3 N G0 X F80 M7 N G0 Z2. Use the commands G00 and G01 Learning Objective: The learner is able to describe the structure of a simple NC milling program and to write parts of it on his own. Use the cicular commands G02 or G03 and the cutter radius compensation.
Learning Objective: The learner is able to solve a CNC milling task with systematic planning of the procedure and the application of existing system functions.
Special Training Cutter radius compensation, commands for circular arcs. H1 N G0 X D1 N G1 X N G1 X5. N G3 X D1 N G3 X N G1 X6. N G2 X N G40 N G0 Z Define the workpart zero, work out the process layout, set-up form and NC program. Use the ISO commands. Learning Objective: The learner is capable of preparing and testing the CNC milling of a workpart of medium complexity on a CNC simulating and programming desk by himself including the work organization.
Use the canned cycle G81 and G Special Training Use cycle G81 and G83 as modal comand and repeat it at several positions. Elements: Cancle the cycle with G N F40 N G0 Z N G81 G98 X N G80 N G0 Z N G83 G98 X N M5 N G0 X The borehole must be reamed. Use the canned cycle G Write the positions into a subprogram.
Cancle the cycle with G N G81 G98 Z-3 R2. N F80 N G0 Z N G83 G98 Z H10 N G0 Z N G85 G98 Z N G98 X N G99 X Use cycles G81 and G83 and a subprogram for the hole pattern. Learning Objective: The learner can describe the function and the calling of cycles.
Special Training Use cycles G81 and G83 as modal command and repeat it at several positions. Elements: Write a subprogram. Rotate the coordinate system incremental and give the position of executing the cycle. Call the subprogram with repetition. FNC H2 N G0 X0. N G1 Z0. F N G1 Z F60 N G1 X F N G2 X N G2 X0.
F N G0 Z H6 N G0 X0. N F40 N G0 X N G81 G99 Z H3 N G0 X0. N F80 N G0 X N G83 G99 Z Learning Objective: The learner can describe the function and the calling of canned cycles.
Special Training Use cycle G81 as modal command and repeat it at several positions, retraction to Elements: claerance plane G Write the positions into the first subprogram and cancle the cycle with G In the second subprogram rotate the coordinate system and go to the position of execution. F60 N G1 Y Program with ISO code. Learning Objective: The learners are capable of optimizing program runs by the use the subprogram technology. N G0 G43 Z2. H6 N G1 Z H3 N G1 Z Use cycles G81 with repetition..
Special Training Use cycles G81 with repetition and as modal command with repetition. If using Elements: drilling cycle with repetition K, G91 is necessary. M8 N G0 G43 Z5. H6 N G81 G91 X K3 N X H3 N G81 G91 X K2 N G0 G90 Z Learning Objective: He is capable of milling a workpart of medium complexity. He writes and tests an operable CNC program.
D3 F N G3 X N G2 X5. D1 F N G1 Y N G40 N G0 Z2. F N G41 G1 X M3 N G0 X D1 F N G2 I H5 N G0 X F N G2 I Learning Objective: He is capable of milling a workpart of medium complexity He writes and tests an operable CNC program. Special Training Cutter radius compensation, canned cycles.
For drilling operation shift the origin Elements: and rotate. Use a subprogram with repetition. Cancle rotation and zero shift. D5 N G3 X F N G1 Y F N G2 Y N G2 Y H2 N G0 Z2. M7 N G0 Z H8 N G0 X F M7 N G1 Y7. F N G1 X0. H4 N G0 X6. N G81 G98 Z K0 N G52 X H3 N G0 X6. N F70 N G0 Z K0 N G68 X Learning Objective: The learner is in an exam-like situation. He is capable of milling a workpart of higher complexity He writes and tests an operable CNC program.
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