With the rapid development of numerical control technology in China, the traditional test cutting workflow can no longer meet the requirements of current numerical control technology. VERICUT software will optimize our work flow and verify digital control programs and machine tool movements in the computer through digital means before machining parts.
I. IntroductionWith the rapid development of numerical control technology in China, the demand for processing capacity and quality stability for complex parts has increasingly become an important factor for the company to win market opportunities. Therefore, many advanced numerical control machine tools quickly invade the industry market, such as multi-axis machine tools. , turning and milling compound, boring and milling machines, multi-spindle and multi-turret machine tools, etc. The rational use of these machine tools can reduce processing costs, increase production efficiency, reduce the number of fixtures, and ensure product quality. However, the efficient use and full potential of excavator beds have become a very practical problem for the industry.
Due to the traditional test cut work process can not meet the current numerical control technology requirements, such as: equipment safety, accuracy of numerical control program, improve efficiency, reduce costs and other intangible issues. The VERICUT software will optimize our workflow and verify the CNC program and machine movements in the computer by digitizing the parts before they are processed.
Traditional test cut process:
Verified process through VERICUT:
Machine tool simulation fully simulates the machine structure and can inspect all machine components such as axis slides, spindle heads, turrets, rotary tables, spindles, magazine changers, fixtures, cutting tools and other user-configured machine accessories Collisions and critical collisions. Users can set a critical collision area around the part to detect critical collision conditions and overtravel errors.
Third, VERICUT machine tool simulation and verificationVERICUT simulates and validates 2-5 axis machining, machine collision checking, machine stroke checking, and program error checking. VERICUT fully supports the logic instructions in the CNC control system. Different machine tools, control systems, parts, program formats, and function modules on the shop floor can support and implement accurate simulations.
Ø Support subroutine simulation function
Ø Multi-turret, multi-spindle head, subsystem control simulation
Ø Multi-process simulation, automatic blank transfer
Ø Parallel machine tool simulation
Ø Turn-milling complex machine tool simulation
Before the actual cutting, the VERICUT CNC simulation software is used to carry out all-real machine tool simulation and simulation processing on the computer, which can eliminate errors in the program, such as: cutting the workpiece, damaging the fixture, breaking the tool or colliding with the machine tool, increasing the CNC production efficiency, Shorten the production cycle and enhance the competitiveness of enterprises.
Fourth, through an analysis of an example of changing the spindle attachment to illustrate that VERICUT can achieve the simulation and authenticity of advanced machine tools.
First determine the component relationships of multiple attachment machine tools. From the component tree we can see that the Spindle_Changer component consists of two spindle attachments (head_2 and head_3), when using head_2 it is a C-axis rotation machining upright 4-axis machining, when using head_3 quite Then the C axis is rotated horizontally.
From the component tree, we can see that the two main shaft attachments are non-affiliated on the level of sports relations. Because they are independent two motion accessories, the attachment head_2 is mainly the frontal processing, and the head_3 is the side processing, so that we can process the more complicated parts in a single clamping and ensure the product requirements, for example: side hole or side comparison Deep similar parts processing.
The interior of the machine calls the attachment program. In the application of VERICUT, we use the internal subroutine of the machine to judge and call the attachment of the spindle of the machine just like the real machine processing. Because VERICUT supports advanced functions such as macros, variables, conditional statements, and loop statements, VERICUT can simulate the entire process of machining completely.
Call the machine tool attachment common macros and variables:
Callsubname (call subroutine)
M92A*: Invokes the attachment instruction (A2: Replacing Attachment 2, A3: Representing Attachment 3, A0 Representing Spindle without Attachment).
Specify the function of variables 10001 and 10002 (define the variable 10001 initial value "0" in the variable window);
Assuming that the "M92A3" statement is executed, we can see from here that the initial value of A will be assigned to the variable 10002.
Here we have to mention that VERICUT provides powerful user-definable features, and we can set many advanced instructions through user-defined definitions.
How can we send an attachment replacement order?
First we define the connection: The connect and connect-to words are defined in the configuration>word format as Alpha-Numeric.
We assign words to macros that connect components.
In the program, we only need to replace the attachment with two lines of statements. The readability of the program is very strong.
Note: The component name must be the component name already given in the component tree.
We use the flow chart to illustrate the process of calling attachments during processing.
Let's take the second attachment as an example (head_2):
Assuming that the current attachment No. 3 (head_3) is on the spindle, current #10001=#10002=3 because the value of variable #10001 is assigned to variable #10002 each time before the attachment procedure is completed.
Computer-aided engineering technology has reached a relatively mature stage in developed countries, and industrialization and application have become quite common. The processing simulation technology in our country still needs to be further promoted and applied, and the degree of industrialization is still relatively low. In China, many companies in the leading position in the CNC industry have fully used CNC simulation technology, such as: aviation, aerospace, research institutes and other large enterprises, many industries have been aware of and gradually use CNC machining simulation technology, such as: mold industry, heavy Machinery, ground transportation, consumer goods, automobiles, etc. Full application of simulation technology, boarding the peak of digital technology applications, just around the corner.
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