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www.mac<strong>hi</strong>neryupdate.co.uk JULY/AUGUST 2018 MACHINERY UPDATE 53<br />

Feature: Automation, robotics and vision<br />

New vision-guided<br />

robots will become<br />

future c<strong>hi</strong>ld’s play<br />

Neil Sandhu, Sick’s UK<br />

product manager for<br />

imaging & ranging<br />

believes setting a<br />

robot to work on the<br />

repeatable, relentless tasks that<br />

no-one else wants to do, will simply<br />

become c<strong>hi</strong>ld’s play in the future.<br />

Perhaps, like me, you have<br />

nostalgic c<strong>hi</strong>ldhood memories of<br />

playing ‘pick up sticks’ when stuck<br />

indoors on long rainy afternoons<br />

in the school holidays, he says.<br />

You may even remember ‘Jack<br />

Straws’, a version of the game<br />

where you had to pick up mini<br />

plastic spades, tools, crutches and<br />

swords from a pile, one at a time,<br />

using a tiny metal hook.<br />

Even quite a small c<strong>hi</strong>ld has<br />

the keen eyesight and dexterity<br />

to remove the uppermost piece<br />

from a pile of randomly arranged<br />

objects <strong>with</strong>out disturbing any<br />

of the others.<br />

You might t<strong>hi</strong>nk that t<strong>hi</strong>s<br />

natural human talent would be<br />

the ultimate task for a robot to<br />

match. Certainly, it would take<br />

a great deal of money, programming<br />

complexity and sop<strong>hi</strong>sticated,<br />

heavyweight hardware to try<br />

to replicate it. But then, ask the<br />

human to repeat that task again<br />

and again, <strong>with</strong>out a break,<br />

24-hours a day and the robot might<br />

start to get the upper hand.<br />

SYMBIOTIC DEVELOPMENT<br />

Vision and robotics technologies<br />

have always developed<br />

symbiotically. The latest advances<br />

have brought us lightweight and<br />

user-friendly collaborative robots,<br />

or cobots – affordable, easyset-up<br />

articulated ‘arms’ that can<br />

be deployed and re-deployed on<br />

multiple applications <strong>with</strong>out<br />

programming knowledge.<br />

At the same time, imaging<br />

cameras have become selfcontained<br />

‘smart’ devices onto<br />

w<strong>hi</strong>ch vision functionality can<br />

be downloaded – just like a mobile<br />

phone app – <strong>with</strong>out the user<br />

having to do any development.<br />

Robots are<br />

seeing more<br />

Sick’s Inspector<br />

PIM60 2D vision<br />

sensors have been<br />

integrated <strong>with</strong><br />

Universal robots<br />

to deliver an<br />

adaptable<br />

vision-guided<br />

cobot capability<br />

that is easy to<br />

program<br />

At Sick, we have developed a whole<br />

environment called AppSpace to<br />

enable t<strong>hi</strong>s.<br />

Sick Inspector PIM60 2D vision<br />

sensors have been integrated<br />

<strong>with</strong> Universal cobots to deliver<br />

an adaptable vision-guided cobot<br />

capability that is quick and easy<br />

to program and configure <strong>with</strong>out<br />

the need for a separate PC or<br />

specialist software expertise.<br />

After a quick set-up through the<br />

user-friendly interface on the robot,<br />

the Sick PIM60 URCAP outputs<br />

co-ordinates to the robot controller,<br />

as well as enabling inspection<br />

Our developments are the<br />

first steps in more widespread<br />

use of vision-guided robots<br />

and measurement tasks, and<br />

providing diagnostic data on<br />

pass/fail or trending.<br />

The company has launched<br />

two further self-contained visionguided<br />

systems for two of the most<br />

common robot-guidance tasks that<br />

are suitable for both cobots and<br />

conventional industrial robots.<br />

The first, Sick PLB Hi Res is based<br />

on a stereoscopic vision camera to<br />

enable vision-guided bin picking<br />

applications of much smaller<br />

objects than previously possible.<br />

The PLOC2D is an easy set-up<br />

vision system for 2D localisation<br />

of parts, products or packages<br />

to be picked from a moving belt,<br />

or feeder system.<br />

And these developments are just<br />

the first steps in more widespread<br />

use of vision-guided robots.<br />

T 01727 831121<br />

W www.sick.co.uk

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