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Entry type: Application example Entry ID: 21363677, Entry date: 09/14/2010
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Technology CPUs: Feeder for a press based on static cam disks

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Problem:  
The technological task is based on a press with connected feeder for stock feed. The rotary axis of the press is used as master axis for control of the stock feed via a static cam disk. The cam disk is developed and created in such a way that an exactly defined sequence between the continuously moving master axis of the press and the slave axis of the stock feed develops. In addition, a control signal for the gripper of the feeder is generated via an electronic cam switch on the master axis of the press.

 

Solution:  
The main task of this application for a Technology CPU is the development of a suitable cam disk for the synchronization of the feeder to the continuously moving rotary axis of the press. In this process a simple cam disk develops which is accompanied by further optimized versions.

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Content of Downloads

 

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Documentation
The accompanying documentation is broken down into two parts: The Introduction part describes the specific automation problem and the suggested solution. The Demonstration part is aimed at users who intend to demonstrate the functions of a Teechnology CPU or who would like to substantiate their theoretical knowledge through practical testing.
Introduction 21363677_Technology_Feeder_Introduction_DOKU_v321_e.pdf ( 747 KB )
Demonstration 21363677_Technology_Feeder_Demonstration_DOKU_v321_e.pdf ( 1099 KB )
Code 
Includes an S7 project as the core element of the demonstration system, consisting of the data for TO parameter setting, the programmed sequences realized with the STEP7 blocks and the WinCC flexible 2005 SP1 HF7 user interfaces.

The program archives can be used either without a drive connected or with a SINAMICS S120 Trainings case connected.
The required changes to the program to use the SINAMICS are described in the documentation part Demonstration

Program archive for use with a CPU 315T 21363677_CPU315T_Feeder_v_CODE_v30.zip ( 8645 KB )
Program archive for use with a CPU 317T 21363677_CPU317T_Feeder_v_CODE_v30.zip ( 8610 KB )

Archives:

Content of Archives   Archiv

If you need a older version, you can download it here with it's documentation.

  • V1.0 requires a CPU 317, SIMATIC Technologie V1.0 or higher, Protool/Pro RT V6.0 SP2 and, optional, a SIMODRIVE demo case.

  • V2.0 requires a CPU 317, SIMATIC Technologie V2.0 or higher, WinCC flexible 2005 and, optional, a SIMODRIVE demo case.

Archiv of the Version V1.0 21363677_CPU317T_Feeder_ARCHIV_v10.zip ( 14903 KB )
Archiv of the Version V2.0 21363677_CPU317T_Feeder_ARCHIV_v20.zip ( 16419 KB )

History 

Version

Modification

07/2004 first edition
04/2006 V2.0 - updated with SIMATIC Technology 2.0, WinCC flexible 2005 and SINAMICS S120
11/2007 V3.0 - updated with SIMATIC Technology 3.0 SP2 and WinCC flex 2005 SP1 HF7

 

Keywords:  
stock feed interpolation, VDI wizard, polynomial definition, line shaft, master slave axis

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