Change sheet metal feature kfactor solidworks forums. You can see all our courses online, download them or get them on disc. Where t is the distance from inside face to the neutral sheet and t is the sheet thickness figure 1. By inserting this table users had the ability to set only the kfactor, thickness and bend radii. It may also be affected by the material grain direction. Solidworks tutorials sheet metal 2012 what is k factor. The inside radii are based off of a standard air bend force chart. A single table lets you associate a bend allowance, bend radius, or k factor with any combination of thickness, bend radius, and material.
K factor is actually the ratio of the offset t of the neutral axis from the inside bend and the thickness of the sheet t when a piece of sheet metal is bent. So try to find through your factor where you gonna get a clear 9 as the 9. Sustainable design concepts, environmental assessment studies, life cycle assessment cswsafea 1 year plus simulation engineering mechanics, strength of materials, finite element analysis, creating studies in simulation, mesh creation. Edit your parameters k factor, bend radius then click okay. Type the bend allowance, bend deduction, or k factor values in the spreadsheet, depending on your choice for type in step 2. It has a library where macro for modifying k factor can be found. Solidworks sheet metal tools are relatively straight forward, but may not be clearly understood. Kfactor is a ratio that represents the location of the neutral sheet with respect to the thickness of the sheet metal part.
Solidworks sheet metal tutorial bend allowance and bend. If the kfactor cell is left in blank the bend allowance set by the user will not be modified. Solidworks sheet metal tutorial bend allowance and. When you select k factor as the bend allowance, you can specify a k factor bend table. Bending is a manufacturing process that produces a vshape, ushape, or channel shape. Jun 28, 2019 the k factor in sheet metal bending is the ratio of the position of neutral axis to the material thickness. You can also apply a materialbased default kfactor by using a sheet metal gauge table.
Bend deduction is the other side of the bend allowance equation. The bend table spreadsheet contains default radius, thickness, and angle values. K factor is a ratio that represents the location of the neutral sheet with respect to the thickness of the sheet metal part. The solidworks application also comes with a kfactor bend table in microsoft excel format. Term k factor is used in cad programmes to calculate sheetmetal blank size. Im just wondering if solid works uses a fixed default bend radius. Kfactor archives javelin canadas largest solidworks. Provide feedback on this topic solidworks welcomes your feedback concerning the presentation, accuracy, and thoroughness of the documentation. I originally posted because we have other data from one of our engineers class notes that indicated an even larger range of values. Each time one of these variables changes, a new k factor is needed. In sheet metal, there is a powerful bend constant known as the kfactor.
By default, inventor uses a k factor for calculating bend allowances. The k factor in sheet metal bending is the ratio of the position of neutral axis to the material thickness. Right now how my department has the bend stuff setup is we apply a 0. When metal is bent the top section is going to undergo compression.
The next time you open sw and create a sm part, those parameters will come with it. Teaches you about the kfactor, a principle fundamental to bending your sheet metal parts. Solidworks flow simulation is an intuitive computational fluid dynamics cfd solution embedded within solidworks 3d cad that enables you to quickly and easily simulate liquid and gas flows through and around your designs to calculate product performance and capabilities. When working in solidworks to create sheet metal designs, we will often need to know three important values. The solidworks application also comes with a k factor bend table in microsoft excel format. The bend region by default is not displayed when the flat pattern is unsuppressed. First, its important to point out that solidworks ships with some default tables and its recommended that you. Jun 09, 2017 the problem with a solidworks sheet metal bend table is that it can only control the bend allowance, bend deduction or k factor but the thickness and radius is still free to be changed manually. Bend radius and k factor bending radius is something that the designer may select with input from the manufacturer of the parts.
First, its important to point out that solidworks ships with some default tables and its recommended that you copy one of these as a starting point for your data. The problem with a solidworks sheet metal bend table is that it can only control the bend allowance, bend deduction or k factor but the thickness and radius is still free to be changed. In solidworks bend allowance can be applied using below methods. Since gauge tables were introduced, all the parameters can be controlled base on the drop down selection which makes life much easier. This simple table was introduced with solidworks 2006. Installing and configuring solidworks composer 20 sp2. Example gauge table i copied into the kfactor90degreebends. Does anyone know how to setup k factor for sheetmetal every time i draw a sheetmetal component in solidworks the flatdevelopment always come out to big when i form it on a pressbrake. I would assume it uses k factor material thickness for bend allowance but i often get. The solidworks application also comes with a k factor. Apr 30, 2011 where this is from the inside of the bend is the key for solidworks kfactor. Provide feedback on this topic solidworks welcomes your. K factor is a ratio that represents the location of the neutral axis with respect to the thickness of the sheet metal part and depends on material, thickness and bend radius. What sheet metal gauge tables does solidworks provide with.
How to calculate the kfactor in solidworks for perfect. When you select kfactor as the bend allowance, you can specify a kfactor bend table. Most people looking for free solidworks for xp downloaded. Properly setting up kfactor in sheetmetal solidworks.
While the ability to control the thickness, default radius and the bend allowance at the body level has been implemented in solidworks 20 sp0, the workflow was not really intuitive for the user read this article for more information about how this functionality worked in solidworks. Jun 09, 2017 in the bend allowance section, we can select how solidworks determines where the neutral axis is the flat pattern calculation. How to convert a solid to sheet metal in solidworks. The bend table specified angles correlate to the solidworks bend angles fig. Start a new inch part, right click on any toolbar and check the sheet metal tool for the sheetmetal toolbar to be available.
Apr 20, 2011 where this is from the inside of the bend is the key for solidworks kfactor. It ultimately allows you to estimate the amount of stretch without knowing what type of material you are bending. Solidworks premium is a comprehensive 3d design solution that adds powerful simulation and design validation to the capabilities of solidworks professional, as well as ecadmcad collaboration. Hawk ridge systems is your official provider for solidworks, camworks, 3d printers from hp, markforged, and artec 3d scanners in the united states and canada. Select the sheetmetal feature from the feature manager. How to create a custom solidworks sheet metal bend table. The kfactor in sheet metal working is the ratio of the neutral axis to the material thickness. The kfactor approximations given below are more likely to be accurate for air bending than. The k factor would obviously make a difference to the flat pattern. Login for full access to the latest exalead onepart release and updates.
Dec 27, 2016 when working in solidworks to create sheet metal designs, we will often need to know three important values. The default unit is meters and bend allowance, but it can be customized to other units and bend deduction and k factor. However, you can apply bend radius values that are different from the default value in the sheet metal gauge table for features that use specific values except for the base flange. I think there could be a problem with the model somewhere else. Of course you know that ideally the k factor should be 0. Mar 30, 2009 does anyone know how to setup kfactor for sheetmetal every time i draw a sheetmetal component in solidworks the flatdevelopment always come out to big when i form it on a pressbrake. The format is the same as a k factor table, like \ solidworks installation directory\ solidworks \lang\english\sheetmetal bend tables\metric base bend table.
Type the bend allowance, bend deduction, or k factor values in the spreadsheet, depending on your choice for type in. The more the part bends, the closer the neutral axis will lie to the inside of the part. Default kfactor hi all i drew a bracket 40mm left to right,30mm up, 50mm across,30mm down,40 across, set material as 3mm, bend rad as 3mm. When working in solidworks to create sheet metal designs, we will often need to. Where this is from the inside of the bend is the key for solidworks k factor. However, you can modify kfactor, bend allowance, and bend deduction per feature or per bend. By choosing kfactor, bend allowance, or bend deduction from the. So try to find through your factor where you gonna get a. The bend allowancebend deduction of the sheet metal specified in k factor.
Login for full access to the latest solidworks release and updates. Material physical properties and bending operations are also considered while applying k factor. The k factor is the theoretical neutral axis that experience no deformation. We often produce parts that are not your normal 90, 45, angle. The problem with a solidworks sheet metal bend table is that it can only control the bend allowance, bend deduction or k factor but the thickness and radius is still free to be changed manually. The kfactor equals t or the offset distance to the neutral axis. How to set up sheet metal gauge tables engineers rule. First, its important to point out that solidworks ships with some default tables and its recommended that. Solidworks 3d allows you to quickly create sheet metal part designs using a simple design process, saving you time and development costs, thanks to specific sheet metal features. The difference between k factor, bend allowance and bend deduction in solidworks duration. Help only mentions it but doesnt tell how to format it.
Develop custom applications to improve business and engineering processes. The bend allowancebend deduction of the sheet metal specified in k factor by configuring and utilizing a sheet metal gauge table, we can speed up the process of selecting the correct wall thickness based on gauge value and selecting. When metal is bent the top section is going to undergo compression and the bottom section will be stretched. The default location for these tables is located at c. If you select use default radius, you can use one general bend radius value from the sheet metal gauge table for all the downstream features. Oct, 2014 the simple gauge table is the first gauge table introduced into solidworks fig. What are bend allowance, bend deduction and kfactor. Oct, 2011 of course you know that ideally the k factor should be 0. Nov 05, 20 the difference between k factor, bend allowance and bend deduction in solidworks duration. By choosing k factor, bend allowance, or bend deduction from the pulldown menu, a specific value can be entered. In this tech tip post learn how to create your own solidworks sheet metal bend table for bend allowance, bend deduction and kfactor. In sheet metal, there is a powerful bend constant known as the k factor. K factor is the ratio of position of neutral axis t to thickness. The below microsoft excel chart is for even numbered gauges 8 through 24 and has a default k factor of.
Please dont comment it cant be done because just dont reply if its not possible. From this default solidworks table we can see the following. For applications where it is not critical on thinner materials i use k 0. The default k factor in inventor sheetmetal may not match your design needs. Lastly, users can specify the appropriate kfactor to represent the.
Search editing the default bend radius, bend allowance, bend deduction, or relief type in the solidworks knowledge base. The line where the transition from compression to stretching occurs is called the neutral axis. Bend allowance with a kfactor is calculated as follows. There are 12 individual exams that solidworks users can take, ranging from specific exams in sheet metal to a generic one for the creation of drawings. I assume that solidworks will read between the lines so i do not need to specify every angle. You can easily modify the material thickness, inside radius and k factor for each thickness at the top of each column. This is a text file table, and unlike its excel counterparts, this table does not get embedded into the part file. A solidworks id gives you access to a wide range of resources and content. The best way to determine the proper k factor is to make test bends. Sheet metal gaugebend tables store properties for a designated material. Teaches you about the k factor, a principle fundamental to bending your sheet metal parts. I have a pretty decent understanding of the k factor, bend allowance, bend deduction, however im having trouble understanding how this translates to the press brake. The solidworks application also comes with a kfactor.
Save the part as a dummy part sktopsm dummy to delete later. But i am sure it wouldnt make that much difference in the flat pattern. What is the proper way to set up a partdrawing for press braking. Solidworks 3d allows you to quickly create sheet metal part designs using a simple. Solidworks is a program that provides enhanced engineering and design performances that help you get your work done faster and easier.
Just drag the folder with all your parts, specify new k factor and it will be changed. Sheet metal parts can have sketches in the folded and the flat pattern states fig. New format of k factor extracting from excel files in. We use a k factor of 0 and would like it so that whenever we create a part the k factor is 0. If you dont have the sheet metal tab open right click in the. Here we have a solid body that i would like to convert into a sheet metal box then get the flat pattern to make it. The excel file is in the solidworks folder but it needs to be filled out. It is dependant on the material, the available tooling, and the requirements of the finished part.
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