How to integrate collaborative robots into existing production lines without disruption

Collaborative robots are being adopted throughout manufacturing flooring as a sensible technique to automate particular duties inside present manufacturing constraints. Producers want to enhance their processes throughout a number of dimensions, similar to making them extra constant, lowering pressure on workers, and maximizing the house they’re working with.

On the similar time, producers wish to keep away from pausing manufacturing or redesigning total traces to realize these objectives. In these conditions, cobots provide a sensible path ahead when they’re built-in with a transparent understanding of how the road already operates.

Including a force- and power-limited robotic to a longtime manufacturing line is never so simple as putting a robotic at a station and urgent “Begin.” Present traces have a rhythm formed by operator routines, bodily layouts, and upstream and downstream dependencies. Introducing a robotic with out accounting for these realities can create extra inefficiencies as an alternative of resolving present ones.

Nevertheless, when deliberate rigorously cobots may help stabilize cycle time, scale back variation, and assist operators with out forcing main adjustments to surrounding processes.

Begin with the precise collaborative activity

Job choice is without doubt one of the most essential preliminary choices. Collaborative robots are inclined to ship essentially the most worth when assigned work that’s repetitive, predictable, and bodily demanding.

Frequent examples embody loading or unloading components, tending machines, transferring parts between stations or dealing with routine inspection steps. These duties typically contribute disproportionately to operator fatigue and course of variability over the course of a shift, despite the fact that they don’t require essential problem-solving.

Integration efforts typically battle when automation is layered on prime of an inconsistent activity. If operators routinely compensate for fixture variation, alter half placement, or work round tooling limitations, these points is not going to disappear as soon as a robotic is added. In lots of circumstances, automation makes these inconsistencies extra seen. Addressing them first permits the cobot to strengthen the station quite than inherit its issues.

Work inside bodily constraints

Cobots are meant to be simply reprogrammed and tailored to completely different duties. | Supply: Kassow

Area constraints are one other main issue. Many present manufacturing traces have been by no means designed with robotics in thoughts. Stations could also be tightly packed, tools placement could also be fastened, or operator stroll paths could go away little room for extra {hardware}. In these environments, a robotic’s skill to succeed in a number of interplay factors from a single mounting location turns into extra essential than uncooked velocity or payload capability.

Cobots with prolonged attain and versatile joint configurations typically strategy components and machines from angles that may in any other case require format adjustments. A further joint past a standard six-axis design can present larger freedom of movement, permitting the robotic to navigate round fixtures or tooling whereas sustaining exact positioning. This flexibility allows aspect mounting or offset placement quite than positioning the robotic straight in entrance of the station, which helps protect entry for operators and upkeep groups whereas maintaining the general footprint compact.

Compact bases and slim mounting options additional assist integration in space-constrained environments, significantly in older amenities the place flooring house is already at a premium.

Protect operator entry and materials circulate

Even when a collaborative robotic automates a part of a activity, operators nonetheless load parts, take away completed components, carry out changeovers, and reply to alarms. If a robotic’s placement forces operators to succeed in awkwardly or work round it, any beneficial properties in consistency are shortly misplaced. Profitable integrations permit the cobot to work alongside folks with out interrupting how they transfer via the station.

Materials circulate deserves equal consideration. A robotic could possibly attain all its programmed positions, but when its movement disrupts the pure path of components or introduces extra dealing with steps, total throughput can endure.

In lots of circumstances, delays will not be attributable to the robotic’s cycle time, however by how its actions work together with the circulate of fabric between processes. Cobots that may service a number of interplay factors from a single base assist keep steadiness and scale back pointless handoffs.

Defend cycle time and line rhythm

Kassow cobots have sensors that detect overload, making certain that they will function safely in shared workspaces. | Supply: Kassow Robots

Cycle time alignment is one other widespread problem. When a robotic performs its activity reliably, it should function at a tempo that matches the station it helps. Manufacturing traces typically run at an outlined tempo, and introducing a robotic that operates quicker or slower than surrounding processes can create new bottlenecks.

Reviewing the guide course of earlier than programming typically reveals {that a} cobot doesn’t want to finish a whole activity so as to add worth. Automating essentially the most repetitive or time-sensitive portion of the work is usually sufficient to enhance total station efficiency.

How the cobot strikes is equally essential. Clean, predictable motion helps operators perceive what the robotic will do subsequent and reduces hesitation when working close by. This additionally applies to how cobots resume operations after a stoppage. Operators ought to be capable to resume manufacturing shortly after interruptions with out navigating advanced reset sequences or counting on specialised assist.

Design for collaborative change over time

Cobot integration choices must also account for a way the manufacturing line could evolve. Product mixes shift, volumes fluctuate, and stations change over time.

Mounting approaches and programming methods that permit a robotic to be adjusted or redeployed present a stronger return on funding past the preliminary software. Methods that permit a cobot to assist a number of positions from a single base can present flexibility when necessities change with out requiring a full reinstallation.

Collaborative robots are inclined to ship essentially the most worth when they’re handled as a part of the present manufacturing system quite than an add-on. Integrations that respect operator routines, bodily constraints, and line rhythm are extra probably to enhance consistency with out disruption.

As producers proceed to steadiness productiveness calls for with restricted house and growing older infrastructure, cobots will stay a sensible software, not as a result of they substitute folks, however as a result of they’re designed to work alongside them.

In regards to the creator

Dieter Pletscher is the worldwide gross sales supervisor at Kassow Robots. He has over a decade of expertise promoting robotics, and beforehand labored for Common Robots.

The submit How you can combine collaborative robots into present manufacturing traces with out disruption appeared first on The Robotic Report.