Method for parameterized calculation of elbow weight and surface area using slidworks equation

Abstract

The application is a method for calculating the weight and surface area of a bend by using Slidworks equation parameterization; the method comprises adding global variables of bend radius, bend outer diameter, bend wall thickness and bend angle in the equation function and setting corresponding variable values; drawing a construction line, scanning to generate a solid bend model; extracting a shell to generate a hollow solid bend; selecting a bend material; and evaluating the bend weight and surface area to generate numerical values. The application realizes parameterized calculation of the weight and surface area of a bend, is simple in calculation compared with traditional methods, improves calculation efficiency and calculation accuracy, can quickly calculate the weight and surface area values of a non-standard bend which cannot be calculated by traditional methods, and can quickly calculate the weight values of bends made of different materials by selecting corresponding materials.

Description

Technical Field

[0001] This invention relates to the field of pipeline engineering, and more particularly to pipeline installation technology, specifically a method for parametrically calculating the weight and surface area of ​​elbows using Slidworks equations. Background Technology

[0002] In the measurement work of pipeline installation projects, elbows are often measured by weight or surface area. However, elbows are not regular entities, making it extremely difficult to calculate their weight, surface area, and other characteristic attributes. Typically, the weight and surface area of ​​elbows are calculated by consulting standard pipe fitting parameter tables or applying calculation formulas. However, for non-standard elbows, consulting parameter tables is insufficient, and applying formulas is cumbersome and prone to errors. Furthermore, it is inefficient for measuring large amounts of data. Summary of the Invention

[0003] The purpose of this invention is to overcome the above-mentioned defects and propose a method for calculating the weight and surface area of ​​elbows that is convenient, accurate, and can be parametrically calculated.

[0004] To achieve the above objectives, the present invention is implemented as follows: A method for parametrically calculating the weight and surface area of ​​elbows using Slidworks equations, including... Step 1: In the "Equation" function, add global variables "Bending Radius", "Elbow Outer Diameter", "Elbow Wall Thickness", and "Bending Angle" and set their respective variable values. Step 2: On the right-view reference plane, draw a horizontal construction line X starting from the origin O. The length of construction line X is defined as the value of the global variable "bending radius". Draw a construction line Y intersecting X, starting from the origin O. Define the bending angle between construction line X and construction line Y as the value of the global variable "bending angle". Draw an arc C with point O as the center and the length of construction line X as the radius, intersecting construction line Y. Step 3: Draw a circle M on the top reference plane with the endpoint P of the construction line X as the center. The diameter is defined as the variable value of the global variable "outer diameter of elbow". Step 4: In the feature scan command, use the sketch circle M as the scan outline and the arc C as the scan path to scan and generate a solid elbow model; Step 5: In the feature shelling command, set the shelling wall thickness parameter to the value of the global variable "elbow wall thickness" to complete the shelling and generate a hollow solid elbow. Step 6: In the feature chamfer command, set the chamfer distance to the value of the global variable "elbow wall thickness" and set the chamfer angle to 45°; Step 7: Select the elbow material in the Edit Material command; Step 8: Click the evaluation menu to open the quality attributes command to view the elbow weight and surface area calculated values; Step 9: Change the values ​​of the global variables "bending radius", "elbow outer diameter", "elbow wall thickness" and "bending angle" in the equation to quickly change the size of the hollow solid elbow model and view the weight and surface area values ​​of different elbow models.

[0005] This invention utilizes Slidworks equations to parametrically calculate the weight and surface area of ​​elbows. Compared with traditional methods, the calculation is simpler, and the calculation efficiency and accuracy are improved. For non-standard elbows that cannot be calculated by traditional methods, the corresponding elbow weight and surface area values ​​can also be calculated quickly. For elbows made of different materials, the corresponding weight values ​​under different materials can be quickly calculated by selecting the appropriate material. Attached Figure Description

[0006] Figure 1 A diagram is provided to illustrate the added equations.

[0007] Figure 2 This is a schematic diagram of how to draw the reference plane on the right.

[0008] Figure 3 This is a schematic diagram of the top-view reference plane.

[0009] Figure 4 This is a schematic diagram of the scanning and forming process of an elbow. Detailed Implementation

[0010] The present invention will be further illustrated below through specific embodiments.

[0011] like Figures 1-4 A method for parametrically calculating the weight and surface area of ​​elbows using Slidworks equations, including... Step 1: In the "Equation" function, add global variables "Bending Radius", "Elbow Outer Diameter", "Elbow Wall Thickness", and "Bending Angle" and set their respective variable values. Step 2: On the right-view reference plane, draw a horizontal construction line X starting from the origin O. The length of construction line X is defined as the value of the global variable "bending radius". Draw a construction line Y intersecting X, starting from the origin O. Define the bending angle between construction line X and construction line Y as the value of the global variable "bending angle". Draw an arc C with point O as the center and the length of construction line X as the radius, intersecting construction line Y. Step 3: Draw a circle M on the top reference plane with the endpoint P of the construction line X as the center. The diameter is defined as the variable value of the global variable "outer diameter of elbow". Step 4: In the feature scan command, use the sketch circle M as the scan outline and the arc C as the scan path to scan and generate a solid elbow model; Step 5: In the feature shelling command, set the shelling wall thickness parameter to the value of the global variable "elbow wall thickness" to complete the shelling and generate a hollow solid elbow. Step 6: In the feature chamfer command, set the chamfer distance to the value of the global variable "elbow wall thickness" and set the chamfer angle to 45°; Step 7: Select the elbow material in the Edit Material command; Step 8: Click the evaluation menu to open the quality attributes command to view the elbow weight and surface area calculated values; Step 9: Change the values ​​of the global variables "bending radius", "elbow outer diameter", "elbow wall thickness" and "bending angle" in the equation to quickly change the size of the hollow solid elbow model and view the weight and surface area values ​​of different elbow models.

[0012] This invention utilizes Slidworks equations to parametrically calculate the weight and surface area of ​​elbows. Compared with traditional methods, the calculation is simpler, and the calculation efficiency and accuracy are improved. For non-standard elbows that cannot be calculated by traditional methods, the corresponding elbow weight and surface area values ​​can also be calculated quickly. For elbows made of different materials, the corresponding weight values ​​under different materials can be quickly calculated by selecting the appropriate material.

Claims

1. A method for parametrically calculating the weight and surface area of ​​an elbow using Slidworks equations, characterized by: include Step 1: In the "Equation" function, add global variables "Bending Radius", "Elbow Outer Diameter", "Elbow Wall Thickness", and "Bending Angle" and set their respective variable values. Step 2: On the right-view reference plane, draw a horizontal construction line X starting from the origin O. The length of construction line X is defined as the value of the global variable "bending radius". Draw a construction line Y intersecting X, starting from the origin O. Define the bending angle between construction line X and construction line Y as the value of the global variable "bending angle". Draw an arc C with point O as the center and the length of construction line X as the radius, intersecting construction line Y. Step 3: Draw a circle M on the top reference plane with the endpoint P of the construction line X as the center. The diameter is defined as the variable value of the global variable "outer diameter of elbow". Step 4: In the feature scan command, use the sketch circle M as the scan outline and the arc C as the scan path to scan and generate a solid elbow model; Step 5: In the feature shelling command, set the shelling wall thickness parameter to the value of the global variable "elbow wall thickness" to complete the shelling and generate a hollow solid elbow. Step 6: In the feature chamfer command, set the chamfer distance to the value of the global variable "elbow wall thickness" and set the chamfer angle to 45°; Step 7: Select the elbow material in the Edit Material command; Step 8: Click the evaluation menu to open the quality attributes command to view the elbow weight and surface area calculated values; Step 9: Change the values ​​of the global variables "bending radius", "elbow outer diameter", "elbow wall thickness" and "bending angle" in the equation to quickly change the size of the hollow solid elbow model and view the weight and surface area values ​​of different elbow models.

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