CN104462675A - Method for calculating material sizes - Google Patents
Method for calculating material sizes Download PDFInfo
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- CN104462675A CN104462675A CN201410692136.3A CN201410692136A CN104462675A CN 104462675 A CN104462675 A CN 104462675A CN 201410692136 A CN201410692136 A CN 201410692136A CN 104462675 A CN104462675 A CN 104462675A
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Abstract
A method for calculating material sizes is used for calculating a sheet metal part. The sheet metal part is at least provided with a first part, and the first part is provided with a first section, a second section and a first bent section, wherein the first bent section is placed between the first section and the second section and is provided with a first extending part. The method for calculating material sizes comprises the steps that whether the sheet metal part is provided with the first part or not is detected; the coordinate plane where the first section is located is used as a datum face according to the selection of a user; the first part is unfolded and flattened to the datum face; the first material sizes of the first section, the second section and the first bent section with the first extending part being deducted are calculated. According to the method for calculating material sizes, the needed materials of the sheet metal part can be cut conveniently, and the cost needed by the materials of the sheet metal part can be more precisely calculated.
Description
Technical field
The present invention has about a kind of Calculating material measures, particularly about the method applying to computer aided design system and automatically calculate sheet metal component scantling.
Background technology
When using computer aided design system design sheet metal component, computer aided design system can be provided in after sheet metal component Model Construction completes, and sheet metal component model is launched into the function of flat condition, when producing sheet metal component, to cut sheet metal component material.
But, computer aided design system is when construction sheet metal component model, in order to the demand of sheet metal component bending, material unnecessary for bending place can be removed by computer aided design system automatically, also because of the extension of material buckles, when making computer aided design system finally sheet metal component model is launched into flat condition, the error in size can be had, and then causing the dimensional error cutting sheet metal component material, the calculating of material cost is also inaccurate.
Summary of the invention
The invention provides a kind of Calculating material measures, apply in computer aided design system, calculate the scantling that sheet metal component is accurately required, and the sheet metal component material plane figure of deduction sheet metal component bending extension error is provided, allow user calculate the cost needed for sheet metal component material according to sheet metal component material shape actual after cutting and size.
For reaching above-mentioned purpose, a kind of Calculating material measures of the present invention, apply to computer aided design system, in order to calculate the scantling set up needed for sheet metal component, sheet metal component is at least provided with first component, first component has the first section, second section and the first bending section, and the first bending section is between the first section and the second section, first bending section has at least one first extension, first extension is the volume that the first bending section increases because of bending, described Calculating material measures comprises: whether have first component in detecting sheet metal component, when there is described first component in described sheet metal component, according to selection instruction, using the coordinate plane at the first section place of first component as reference field, first component shakeout to reference field and calculate the first scantling, first scantling is the first section, the summation of the second section and the first bending section scantling, deduct the scantling of described first extension.
In one embodiment of the invention, described Calculating material measures also comprise provide display first component shakeout in reference field first component stretch-out view and provide first component to shakeout in reference field, and first of first component the bending section deducts the panel beating material planimetric map of the first extension.
In another embodiment of the present invention, described Calculating material measures also comprises the degree of crook according to spreading factor and the first bending section, calculates the extended length of the first extension.And measure the first section, the second section and the first bending section when shakeouing to reference field, first section, the second section and first bend total length, the overall width of section and bend rear total length, total length after described bending is deducted described extended length, obtaining bending front total length, is the first scantling with total length before total length, overall width and bending.In another embodiment of the present invention, first component also comprises between central area, the first section is positioned between central area, second section and first bends between the common upper surface of section and lower surface, in first component is launched to shakeout in the step of reference field, described Calculating material measures also comprises along the connecting line between described first bending section and the first section, first bending section is shakeout to reference field, connecting line between the first bending section and the second section, second section is shakeout to reference field, make the length of upper surface, the length of lower surface is identical with the length between central area.
In another embodiment of the present invention, first component also comprises described Calculating material measures and also comprises the 3rd section and the second bending section, second bending section is connected with described first section, 3rd section is connected with in the second bending section, second bending section comprises at least one second extension, described Calculating material measures also comprises along the connecting line between the second bending section and the first section, second bending section is shakeout to reference field, connecting line between the second bending section and the 3rd section, shakeouts the 3rd section to reference field.Calculate be unfolded to the 3rd section described in the first section on reference field, the second section and the first bending section and the second bending section deduct the first extension and described second extension after the second scantling.
In further embodiment of this invention, described Calculating material measures also comprises calculating the 3rd scantling and sheet metal component overall dimensions, and the 3rd scantling is scantling required after first component removed by sheet metal component.And sheet metal component overall dimensions is the summation of the first scantling and the 3rd scantling.
Above about the explanation of this disclosure and the explanation of following embodiment in order to demonstration with explain spirit of the present invention and principle, and provide claims of the present invention further to explain.
Accompanying drawing explanation
The process flow diagram of Calculating material measures of Fig. 1 for drawing according to one embodiment of the invention.
Fig. 2 a is for disclosing the schematic diagram of the sheet metal component that an embodiment is drawn according to this.
The unfolding sheet metal parts side view that Fig. 2 b draws for disclosing another embodiment according to this.
The unfolding sheet metal parts figure that Fig. 2 c draws for disclosing another embodiment according to this.
The panel beating material planimetric map that Fig. 2 d draws for disclosing another embodiment according to this.
The process flow diagram of Calculating material measures of Fig. 3 a to Fig. 3 b for disclosing another embodiment according to this and drawing.
The process flow diagram of calculating first scantling of Fig. 4 for disclosing another embodiment according to this and drawing.
The process flow diagram of Calculating material measures of Fig. 5 for disclosing another embodiment according to this and drawing.
Fig. 6 a is for disclosing the schematic diagram of the sheet metal component that another embodiment is drawn according to this.
The unfolding sheet metal parts figure that Fig. 6 b draws for disclosing another embodiment according to this.
The panel beating material planimetric map that Fig. 6 c draws for disclosing another embodiment according to this.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Shown in Fig. 1, Fig. 2 a and Fig. 2 b, the process flow diagram of Calculating material measures of Fig. 1 for drawing according to one embodiment of the invention, Fig. 2 a for disclosing the schematic diagram of the sheet metal component that an embodiment is drawn according to this, the unfolding sheet metal parts side view that Fig. 2 b draws for disclosing an embodiment according to this.
As shown in the figure, a kind of Calculating material measures of the present invention, mainly applies in computer aided design system, such as PTC Creo (practise and claim Pro/ENGINEER) computer aided design system.Described Calculating material measures sets up a sheet metal component in computer aided design system, and in order to calculate the scantling needed for sheet metal component.It should be noted that use in following explanation set up sheet metal component, launch sheet metal component or calculate the terms such as sheet metal component scantling, all refer to the action in computer aided design system, not set up sheet metal component or expansion sheet metal component practically.For example, the meaning " setting up sheet metal component " refers to the model setting up an artificial actual sheet metal component in computer aided design system, the meaning of " expansion sheet metal component " refers to the model launching sheet metal component in computer aided design system, or the meaning of " calculating sheet metal component scantling " refers to the scantling needed for sheet metal component of simulation calculation reality in computer aided design system.
The computer aided design system commonly used in industry, unfolding sheet metal parts, when calculating the size of sheet metal component material requested, first can be become dull and stereotyped pattern by such as PTC Creo, conveniently cuts the cost of material shape needed for reality and Calculating material.But when having the sheet metal component of bending section in calculating with computer aided design system, part due to bending can cause the extension of sheet metal component material, when making computer aided design system by pattern dull and stereotyped for unfolding sheet metal parts one-tenth, the part of bending section has the error in length caused because material extends, and is the error that computer aided design system cannot be removed.Therefore described Calculating material measures provides one can allow the manually operated User's Interface of user, is incorporated into computer aided design system, provides user in order to calculate the sheet metal component with bending section.
Be computer applied algorithm by described Calculating material approach application be below that example is described, in step S101, computer applied algorithm first detects in sheet metal component whether have first component 10.The feature of first component 10 is for having the first section 12, second section 14 and the first bending section 16, wherein the first bending section 16 is between the first section 12 and the second section 14, first bending section 16 also comprises at least one first extension 161, as shown in Fig. 3 a and Fig. 3 b.
When computer applied algorithm detect in sheet metal component there is first component 10 time, in step S103, user can input user's instruction in User's Interface, and the first section 12 of selection first component 10 or the plane at second one of them place of section 14 are as reference field.In this embodiment, using the plane at the first section 12 place as reference field.Then, in step S105, user can continue to click on the User's Interface of computer applied algorithm the first bending section 16 that the first section 12 is connected with, first bending section 16 is shakeout on reference field, last the second section 14 clicking the first bending section 16 again and be connected with, shakeouts the second section 14 on reference field.
In this embodiment, first component 10 also to comprise between central area 18, between central area, 18 bend between the common upper surface of section 16 and lower surface at the first section 12, second section 14 and first, in practice, between central area, 18 refer to when first component 10 bends, the region can not extended because of bending.Therefore, between central area 18 can be used as first component 10 launch shakeout the foundation on reference field, for example, in step S105, connecting line between the first bending section 16 and the first section 16, when first bending section 16 is shakeout to reference field, upper surface and the lower surface length of the first bending section 16 will with first to bend the centre portion length of section 16 identical, then, again along the connecting line between 16 sections, the first bent area and the second section 14, when second section 14 is shakeout on reference field, the upper surface in the second interval 14 will be identical with the centre portion length in the second interval 14 with lower surface length, thus make the length of first component 10 upper surface, the length of lower surface is identical with the length between central area.
In step S107, when the first section 12, first bending section 16 and the second section 14 shakeout after to reference field, the length of the first bending section 16 is through the length of bending extension.Therefore, calculating first is bent section 16 length of material required before the bend by computer applied algorithm, deducts the length of the first extension 161, obtain the first scantling with the first bending section 16 shakeout on reference field.So-called scantling refers to the boundary length of material, border width, thickness, the boundary areas of material or other numerical value about material size or shape.
In the step S101 of the present embodiment, when whether having first component 10 in computer applied algorithm detecting sheet metal component, if do not have first component 10 in sheet metal component, in step S109, computer applied algorithm directly can calculate the scantling of sheet metal component.In other words, not there is the first component 10 that can cause error in sheet metal component, therefore computer applied algorithm calculates sheet metal component area after not needing to correct the error that causes of first component 10 again, and directly can calculate the scantling of sheet metal component.
After calculating first is bent section 16 length of material required before the bend by computer applied algorithm, in step S111, the scantling that computer applied algorithm will calculate in sheet metal component needed for the other parts without bending section automatically.Then, in step S113, computer applied algorithm summation first scantling with not there is the other parts material requested size bending section, provide the overall dimensions of user's sheet metal component material requested, person's Calculating material cost easy to use.
In step S115, after computer applied algorithm further can provide unfolding sheet metal parts, deduct the panel beating material planimetric map of the first extension 161, person easy to use cuts actual sheet metal component material.
Shown in Fig. 2 a to Fig. 2 d and Fig. 3 a to Fig. 3 b, the unfolding sheet metal parts figure that Fig. 2 c draws for disclosing another embodiment according to this, the panel beating material planimetric map that Fig. 2 d draws for disclosing another embodiment according to this, the process flow diagram of Calculating material measures of Fig. 3 a to Fig. 3 b for disclosing another embodiment according to this and drawing.As shown in the figure, in another embodiment, step S101, step S103 and the step S105 of step S301, the step S303 of described Calculating material measures and step S305 and previous embodiment are identical substantially, are no longer repeated at this.In previous embodiment unlike, first section 12, second section 14 and the first bending section 16 shakeout after to reference field by computer applied algorithm, in step S307, computer applied algorithm provides display first section 12, second section 14 and first component 10 stretch-out view of the first bending section 16 on reference field, as shown in Figure 2 c.The oblique line portion drawn in Fig. 2 c, convenient in order to show the part (i.e. the first extension 161) that the first bending section 16 extends, but actual extended length may be very little.
Then, computer applied algorithm starts to calculate the first scantling, and in step S309, spreading factor and first bending the curved of section 16 of computer applied algorithm foundation sheet metal component material requested get degree, calculate the extended length of the first extension 161.The factors such as the angle that the extended length size of the first extension 161 is associated with material that the first bending section 16 uses, the thickness of the first bending section 16, the first bending section 16 bend and inner bending radius.For example, the ductility of the first bending section 16 material is better, and the angle of bending is larger, and the extended length of the first extension 161 is larger.
Afterwards, in step S311, measure the first section, the second section and the first bending section when shakeouing to reference field, total length after the total length of the second section described in the first section and the first bending section, overall width and bending.In step S313, by total length deduction extended length after the bending of the first bending section, obtain total length before the bending of the first bending section, with total length before the bending of the second section described in the first section and the first bending total length of section, overall width and the first bending section, as the first scantling of first component 10.
After computer applied algorithm calculates the first scantling of first component 10, in step S315, computer applied algorithm can reoffer display first component 10 and shakeout on reference field, and the first bending section 16 deducts the stretch-out view increased because of extension, as shown in Figure 2 d.In step S317, calculate the scantling sum total of the first section, the second section, the first bending section, then deduct the scantling of the first extension, obtain the first scantling.
Finally, in step S319, computer applied algorithm calculates the scantling needed for other parts in sheet metal component without bending section.And in step S321, summation first scantling with not there is the other parts material requested size bending section.And then in step S323, after computer applied algorithm can provide unfolding sheet metal parts, deduct the panel beating material planimetric map of the first extension 161, to provide the overall dimensions of user's sheet metal component material requested, the sheet metal component material of person's Calculating material cost easy to use and cutting reality.
In another embodiment, please refer to shown in Fig. 4, Fig. 4 is the process flow diagram of calculating first scantling disclosing another embodiment according to this and draw, and as shown in Figure 4, in step S501, measures gauge and the width dimensions of the first section or the second section.In practice, because the present embodiment applies in metal plate pieces, therefore the first section is identical haply with the second section, computer applied algorithm only can measure thickness and the width of the first section, also thickness and the width of the first section and the second section be can measure, then the mean value of the first section and the second section thickness and the mean value of width got.Then, in step S503, when measurement first bending section shakeouts to reference field, the volume of the first bending section.In step S505, according to volume, gauge and width dimensions, length before the bending of calculating first bending section.Specifically, during due to the first bending section bending, it is long that the rear length of bending comparatively bends front length, thickness also becomes thinner, therefore measure first bending section bending after volume time, again with the gauge of the first section and the second section and width dimensions, regard as the width before the first bending section bending and thickness, just can extrapolate length before the bending of the first bending section.By length before the first section and the gauge of the second section and the bending of width dimensions and the first bending section, be considered as the first scantling.
Shown in Fig. 5 and Fig. 6 a to Fig. 6 c, the process flow diagram of Calculating material measures of Fig. 5 for disclosing another embodiment according to this and drawing, Fig. 6 a is for disclosing the schematic diagram of the sheet metal component that another embodiment is drawn according to this, the panel beating material planimetric map that the unfolding sheet metal parts figure that Fig. 6 b draws for disclosing another embodiment according to this, Fig. 6 c draw for disclosing another embodiment according to this.As shown in the figure, in this embodiment, described Calculating material measures will in order to calculate the scantling needed for first component 10 and first component 30, first component 10 is sequentially provided with the first section 12, first and bends section 16, second section 14, second bending section 34 and the 3rd section 32, and wherein the second bending section 34 also comprises the second extension 341.
In step S701, user provides selection instruction to described Calculating material measures, in order to select the plane at the first section 12, second section 14 or the 3rd one of them place of section 32 as reference field.This embodiment illustrates using the plane at the first section 12 place as reference field.In step S703, computer applied algorithm is along the connecting line between the first bending section 16 and the first section 12,16 sections, first bent area is shakeout on reference field, and along the connecting line between the first bending section 16 and the second section 14, the second section 14 is shakeout on reference field.Then, in step S705, continuation clicks the second bending section 34 that the first section 12 is connected with on the User's Interface of computer applied algorithm, by the second bending section 34 along the connecting line between the second bending section 34 and the first section 12, shakeout on reference field, click the 3rd section 32 again, the connecting line between described second bending section 34 and described 3rd section 32, shakeouts the 3rd section 32 on reference field.
In step S707, when the first section 12, first bending section 16, second section 14, second bending section 34 and the 3rd section 32 shakeout after to reference field, calculating first is bent section 16 and second and bends the length that section 34 deducts the first extension 161 and the second extension 341 by computer applied algorithm, obtains the second scantling.
In this embodiment, described Calculating material measures also can as abovementioned steps S111 ~ step S115, calculate the scantling needed for other parts except first component 10 and first component 30 in sheet metal component, and the result calculated is added with the second scantling, obtain the scantling that sheet metal component is altogether required.Similarly, after described Calculating material measures also can provide and be shakeout by unfolding sheet metal parts, deduct the panel beating material planimetric map of the first extension 161 and the second extension 341.
The first component 30 lifted of this embodiment is formed by the second bending section 34 and the 3rd section 32, other configuration that right first component 30 can be, the process flow diagram of the Calculating material measures that the another embodiment such as shown in Fig. 5 is drawn, just replaces with one second bending section 34 by first component 30.In other words, be connected with the section quantity in first component 30 quantity of first component 10 and first component 30 or bent area hop count amount, all belong to simple change of the present invention, the present invention is no longer repeated.
Comprehensive the above, described Calculating material measures provides User's Interface, apply in computer aided design system, the scantling needed for sheet metal component accurately cannot be calculated in order to computing computer aided design system, and provide user to calculate the obtained sheet metal component material plane figure deducting sheet metal component bending extension error, allow user cut actual sheet metal component material shape and size according to this, more precisely calculate the cost needed for sheet metal component material easily.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a Calculating material measures, in order to calculate a sheet metal component, it is characterized in that, described sheet metal component comprises a first component, described first component has one first section, one second section and one first bending section, described first bending section is between described first section and described second section, and described first bending section comprises at least one first extension, and described Calculating material measures comprises:
Detect in described sheet metal component and whether there is described first component;
When there is described first component in described sheet metal component, according to user's instruction, using the coordinate plane at the described first section place of described first component as a reference field;
Described first component is launched to shakeout to described reference field; And
Calculate one first scantling with described reference field, described first scantling is the scantling of described first extension of summation deduction of the scantling of described first section, described second section and described first bending section.
2. Calculating material measures as claimed in claim 1, is characterized in that, also comprise:
Show the stretch-out view that described first component shakeouts the described first component on described reference field.
3. Calculating material measures as claimed in claim 1, is characterized in that, also comprise:
Show a panel beating material planimetric map of described first extension of described first bending section deduction of described first component.
4. Calculating material measures as claimed in claim 1, is characterized in that, wherein in the step calculating described first scantling, comprises:
According to a spreading factor of the material of described sheet metal component and the angle of bend of described first bending section, calculate an extended length of described first extension;
Measure described first section, described second section and described first bending section when shakeouing to described reference field, total length after a total length of described first section, described second section and described first bending section, an overall width and a bending; And
Calculate the front total length of a bending, before described bending, total length is that after described bending, total length deducts described extended length, and before described total length, described overall width and described bending, total length is described first scantling.
5. Calculating material measures as claimed in claim 1, is characterized in that, wherein in the step calculating described first scantling, comprises:
Measure described first section or described second section one of them a gauge and a width dimensions;
When described first bending section shakeouts to described reference field, measure a volume of described first bending section; And
According to described volume, described gauge and described width dimensions, calculate the front length of a bending of described first bending section, before described gauge, described width dimensions and described bending, length is described first scantling.
6. Calculating material measures as claimed in claim 1, it is characterized in that, wherein said first component also comprises between a central area, bend between the common upper surface of section and a lower surface at described first section, described second section and described first between described central area, in described first component is launched to shakeout in the step on described reference field, comprise:
Connecting line between described first bending section and described first section, shakeouts on described reference field by described first bending section; And
Connecting line between described first bending section and described second section, shakeouts described second section on described reference field, makes the length of the length of described upper surface, described lower surface identical with the length between described central area.
7. Calculating material measures as claimed in claim 6, it is characterized in that, wherein said first component also comprises one the 3rd section and one second bending section, described second bending section is connected with in described first section, described 3rd section is connected with in described second bending section, described second bending section comprises at least one second extension, and described Calculating material measures also comprises:
Connecting line between described second bending section and described first section, shakeouts on described reference field by described second bending section; And
Connecting line between described second bending section and described 3rd section, shakeouts described 3rd section on described reference field.
8. Calculating material measures as claimed in claim 7, is characterized in that, also comprise:
Calculate one second scantling, described second scantling is the summation of described first section be unfolded on described reference field, described second section, described 3rd section, described first bending section and described second bending section scantling, deducts the scantling of described first extension and described second extension.
9. Calculating material measures as claimed in claim 1, is characterized in that, also comprise:
Calculate one the 3rd scantling, described 3rd scantling is scantling required after described first component removed by described sheet metal component.
10. Calculating material measures as claimed in claim 9, is characterized in that, also comprise:
Calculate a sheet metal component overall dimensions, described sheet metal component overall dimensions is the summation of described first scantling and described 3rd scantling.
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| CN201410692136.3A CN104462675A (en) | 2014-11-25 | 2014-11-25 | Method for calculating material sizes |
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| CN201410692136.3A CN104462675A (en) | 2014-11-25 | 2014-11-25 | Method for calculating material sizes |
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| CN113643074A (en) * | 2021-09-24 | 2021-11-12 | 金成技术有限公司 | Metal plate structure production quotation rapid assessment method and system based on artificial intelligence |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113643074A (en) * | 2021-09-24 | 2021-11-12 | 金成技术有限公司 | Metal plate structure production quotation rapid assessment method and system based on artificial intelligence |
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Application publication date: 20150325 |