robot maintenance

8/18/2019 Robot Maintenance

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RobotMaintenanceRobot maintenance and the frequency of that maintenance depend onthe environment in which that robot is working. Industrial use robots canbe utilized in may locations. These locations range from clean rooms forelectronics, to paint booths and harsh welding applications

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Signifcance

• +recision performance is the key for the repetitivemotion by a robot. In electronic clean rooms theserobots are responsible for the placement of smallelectronic parts on circuit boards. +ainting robots

maybe used to spray paint entire car or truckbodies. -elding robots may have to weldcontinuously at various awkward angles and in anenvironment detrimental to humans

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nance.html)i*zz%vqR/01d

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Function

• 2aintenance to a robot may include daily cleaning to thestructural body. Robots have many articulating 3oints thatrequire proper lubrication in the form of gear oils andspecial grease. 4ir hoses for painting robots, depending on

use, may have to be check on an hourly bases. -eldingrobots may have gas hoses and special tubes for wire thatfeed the welding torches placed at the end of the rotatingwrist movement.

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Considerations

• 4ll maintenance personnel who perform work on robotsshould be well trained and understand the completeworkings of the machine. They should also be trained inproper lock out tag out procedures. 7ot only will this save

destruction to property but aid in the down time due toin3ury that may be caused by improper shutdown of therobot.

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Prevention/Solution

• 4 preventive maintenance schedule should be a vital rolein any production facility in which robots are used. 2ostrobot manufactures provide key elements in thedocumentation provided with their machines. This

documentation will not only denote a time schedule formaintenance, but generally a spare parts list is provided. This spare parts list should be maintained for the timeswhen the robot goes down due to a broken ormalfunctioning device.

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Identifcation

• +oor maintenance practices can be identi


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Optimized or t!e Future• +reventive maintenance is the di@erence between the company that invests in

keeping their system working to its highest potential and & ( C>>&( 4rm Bables CD,&&& ( C%,&&&( Bontroller to 4rm Bables C%,&&& ( CE,>&&( ervomotor CD,>&& ( C",&&&( R Reducers CD&,&&& ( CD%,&&&

• 4verage cost of preventive maintenance service:F C%,&&& annually

Read more:

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"dvantages o PreventiveMaintenance

•

( Increases safety, potentially reducing insurancerates due to safer equipment.

( Increases uptime.( Reduces need for spare parts on hand.( Improves performance.( Reduces waste.

( Reduces depreciation of the robotic equipment.( Reduces delayed shipment of your product dueto unforeseen downtime.


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Help protect your investments and keep your industrial robots running well into the future by taking a few

minutes everyday to inspect your systems and catch potential risks before they turn into repairs.

C AUTI!" #ake sure that any energy sources are disabled using lockout$tagouts according to yourcompany policy. If motion is needed% do not enter the work envelope until the robot has stopped.

Check"

Check air pressure using guages provided by your integrator.

Check cables for wear and tear and not &ust near the robot. 'C (obotics can replace cables over night if

needed.

'eep updated on your maintenance manuals and grease and battery replacement.

Inspect the controller cabinet regularly for dust and debris. If the cabinet is dirty% wipe the cabinet carefullywith a clean cloth.

)hen the robot is in production% listen for any abnormal sounds during the first few cycles% this could be a

sign of a problem inside the robot itself.

Daily Preventative Measures Checklist


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Robot Maintenance# $reaseand Robotic $ears

• =rease allows industrial robotic arms to functionproperly, smoothly, and withstand wear. Replacingrobot grease is an important step in totalreconditioning process. ;epending on the robot

model, routine robot maintenance requiresworking with grease.

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%ere are t!e acts on t!is messy bute&tremely important robot ingredient'''

• $reasing Robots (it! Planetary $earReduction )nits;i@erent greases are used for di@erentmechanical components and di@erent

maintenance tasks.• Robots with planetary gear reduction units require

grease replenishment every year. This processinvolves pumping the old grease out of the gear

by inputting new grease into the unit. +lanetarygear reduction units also require re(greasing whenthey are replaced.

http://www.robots.com/robotshttp://www.robots.com/robots


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• $reasing Robots (it! %armonic *rivesRobots with harmonic drives rarely require greasereplacement. -hen they do need regreasingGperhaps when a motor is replacedH, a di@erent,

thick grease is used.

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http:www.harmonicdrive.despanishempresala(empresa

ideo+rincipio de 5uncionamiento


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Robot Cables• 4 key component of robotic preventive maintenance involves keeping cables in tip(top shape.Bables ferry information and power to and from the teach pendant, controller, and manipulator. They are vital to the functionality of any industrial robot.

Robotic cables are also e*pensive and time(consuming to replace. 4void unnecessary downtimeand cost by following a few simple preventive measures. Robot-or* new Preventive Maintenance +,+# Robot Cables video spells out all the important things to do andremember. Jeres an overview of some of the topics covered:

-!y To C!ec. Robot Cables *aily#Its important to inspect robot cables every day for e*cessive wear and cracking. 6ven slightlydamaged cables can lead to robot malfunctions. They can also create an unsafe workenvironment.

-!ere to oo. and -!at to oo. or#Bheck robot cables at each manipulator 3oint and at any place where they bend. It is best forrobotic cabling to follow a natural pathway, be routed away from traKc and away from tooling and

other peripherals.

" Fe( More T!ings to Remember#Robot cables should


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