Modular Design

MD-1 | Siemens NX – Modular Design

To start off this extensive topic,
we first need to answer some basic questions:

  • Which parts or assemblies can be designed modularly at all? A tip: there are more than you think.
  • Can it be flexible despite its modular structure?
  • What are the savings?
  • And how is it realized in practice?
Modular Design

Are these four parts modular?

This course gives you an overview of the possibilities of modular design.
Because modular design doesn’t just mean changing parameters, but also geometries, work steps, components or assemblies.
Part families, feature templates, model-based definition and, of course, methodology can not only shorten development time, but also reduce production costs.

 

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Modular Design

MD-1 | Siemens NX Tutorial - Modular Design

Modular design doesn't just mean changing parameters, but also geometries, work steps, components or assemblies.
Part families, feature templates, model-based definition and, of course, methodology can not only shorten development time, but also reduce production costs.

M

NX MD-1

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Part Families, create and save master and variants

PF-1 | Siemens NX Tutorial - Part Families, create and save master and variants

The main topic "Modular Design" starts with the "Part Families" command.
This command allows you, to create variants of parts and assemblies, using spreadsheets.
The first course starts with a simple part that is to be created in different sizes. The storage locations for the master and variants are defined first. This is followed by the modelling of the master part, controlled by expressions.
These expressions are then entered into columns of a spreadsheet and filled with new values. In this way, variants of the master part in different sizes are created in a short time.

NX PF-1

The drawing for the lesson

Part Families, Library

PF-2 | Siemens NX Tutorial - Part Families, create library, create file name in Excel automatically

Create a library for your part families, global and local. Generate the file name in Excel automatically. Find the required size in the library. Create only the required parts

NX PF-1

The drawing for the lesson

KRX-File

PF-3 | Siemens NX Tutorial - Complete Part Families with KRX (knowledge-enabled parts)

With krx-files you can add preview images to your part families, and select parameters that are necessary for the selection of the variant, and thus simplify installation and replacement.
We also switch features on and off via the spreadsheet.
And we will control the material via the part family.

NX PF-1

The drawing for the lesson

Create Assemblies with Part Families

PF-4 | Siemens NX Tutorial - Create Assemblies with Part Families

Have you ever wished that you could just change a few filenames in a table and the parts in your assembly would be replaced? This is exactly what you can do with Part Families. And with "remember constraints" you can install the assembly in a predefined way. Pattern Component lets the number of copies follow the changing environment. And the size of the assembly can be replaced with a few clicks.

NX PF-1

The drawing for the lesson

Create Assemblies with Part Families

PF-5 | Siemens NX Tutorial - Create pockets for part families automatically

Part families can automatically generate the required installation space, such as holes and pockets. This makes modelling faster and safer, because when you move the part, the clearance moves with it. And if you select a different variant, the clearance automatically changes too!

NX PF-1

The drawing for the lesson