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  • Automate robot-supported grinding applications using ArtiMinds Robotics
SHL Automatisierungstechnik

Set­ting up auto­mated grind­ing appli­ca­tions faster

SHL AUTOMA­TISIERUNG­STECH­NIK

Fast setup of auto­mated grind­ing appli­ca­tions through close inte­gra­tion of process mon­i­tor­ing and opti­miza­tion using ArtiMinds RPS and LAR

CHAL­LENGE

For a cus­tomer project, SHL, an expert in the devel­op­ment of flex­i­ble robotic cells in the field of sur­face fin­ish­ing, was asked to carry out tri­als for the auto­mated grind­ing of med­ical dis­in­fec­tors. One of the chal­lenges is to com­pen­sate the prod­uct and process tol­er­ances so that the exact desired amount of mate­r­ial is removed at any time. There­fore, solv­ing the appli­ca­tion requires a dynam­i­cally adapt­ing reg­u­la­tion of the robot motion depend­ing on the occur­ring process forces.

SOLU­TION

In addi­tion to the devel­op­ment of mechan­i­cal and pneu­matic com­pli­ance sys­tems and cor­re­spond­ing tests, SHL decided to carry out a project with ArtiMinds to test the suit­abil­ity of force/torque sen­sors for the required adap­tion of the sys­tem. In this con­text, the ArtiMinds RPS soft­ware sim­pli­fied the com­mis­sion­ing of the hard­ware com­po­nents used and the pro­gram­ming of force-adap­tive move­ments of the robot.
Another chal­lenge was to find and set the opti­mum process para­me­ters for an opti­mal grind­ing result. Con­tin­u­ous mon­i­tor­ing and eval­u­a­tion of the achieved sur­face qual­ity is usu­ally assessed by visual inspec­tions and man­u­ally feel­ing the sur­face after the grind­ing processes. This requires great expe­ri­ence and spe­cial process exper­tise. The iter­a­tive adjust­ment of indi­vid­ual process para­me­ters in the robot pro­gram more­over demands a high level of knowl­edge in robotics.

WHY ARTIMINDS?

In this grind­ing appli­ca­tion, the exact desired amount of mate­r­ial had to be removed. In order to com­pen­sate for prod­uct and process tol­er­ances, it was there­fore nec­es­sary to dynam­i­cally adjust the robot move­ment. ArtiMinds RPS sim­pli­fied the com­mis­sion­ing of the hard­ware com­po­nents used and the pro­gram­ming of force-con­trolled robot movements. 

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ADVAN­TAGES

For this rea­son, the soft­ware ArtiMinds Learn­ing & Ana­lyt­ics for Robots (LAR) was deployed to opti­mize the process qual­ity in a stream­lined and tar­get-ori­ented man­ner. The soft­ware auto­mat­i­cally mon­i­tors and visu­al­izes data such as robot move­ments, sen­sor data from the force/torque sen­sor and error codes from the robot sys­tem. This pro­vides detailed insights spe­cial­ized to the actual process and sim­pli­fies the inter­pre­ta­tion of the data to derive optimizations.
The close inte­gra­tion of process mon­i­tor­ing and opti­miza­tion made pos­si­ble by ArtiMinds’ soft­ware solu­tions enabled:

  • to real­ize the required process com­pli­ance by means of sen­sor technology
  • a much more effi­cient way of adjust­ing and find­ing the opti­mal set­tings of the process para­me­ters of the robot program
  • and an increase of process quality

so that the flex­i­ble grind­ing sys­tem could be set up within a very short time.

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Pro­gram and sim­u­late robot appli­ca­tions inde­pen­dent of man­u­fac­tur­ers, reduce main­te­nance costs and alle­vi­ate the lack of skilled work­forces. Find out how ZF suc­ceeds thanks to ArtiMinds!

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