Robot maintenance

Robot maintenance for industrial robots, robotic cells and automated production lines where uptime, reliability, safety and long-term performance matter. Technical articles, maintenance insights and practical guidance from URT.

Robot obsolescence planning: When should a factory prepare for replacement?

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Robot obsolescence planning assessment by a maintenance engineer inspecting an industrial robot controller

An industrial robot can remain mechanically functional long after its controller, software, or spare parts become difficult to support. That creates a difficult decision for maintenance and production managers: continue operating equipment that still performs its task, or begin investing in a replacement before a major failure occurs. Effective robot obsolescence planning addresses this decision … Read more

Robot wrist maintenance: how axes 4, 5, and 6 can become a production reliability risk

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Industrial maintenance technician inspecting the wrist assembly and final three axes of a six-axis industrial robot

A robot can continue completing its programmed cycles even when its wrist assembly begins showing signs of mechanical deterioration. This makes robot wrist maintenance essential for production teams that depend on consistent tool orientation, positioning, and uninterrupted operation. A developing problem in axes 4, 5, or 6 may initially cause minor movement changes, unusual noise, … Read more

Yaskawa DX100 vs DX200: which controller creates less integration risk?

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Yaskawa Motoman DX100 and DX200 industrial robot controllers under evaluation for factory integration and maintenance support

Why the Yaskawa DX100 vs DX200 decision matters beyond robot performance A used Yaskawa Motoman robot may meet a production application’s mechanical requirements, but its controller can create unexpected integration and maintenance costs. The Yaskawa DX100 vs DX200 decision, therefore, involves more than choosing the newer generation. Buyers must determine whether the controller’s hardware, software … Read more

What one hour of robot cell downtime is really costing your plant

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Production team calculating the hourly cost of downtime in an industrial robotic cell

The robot stopping is only the start of the cost A robot cell downtime cost calculation becomes misleading when a plant counts only technician time or when production is missed while the robot remains stopped. A one-hour fault can affect operators, upstream equipment, downstream operations, work in process, quality checks, maintenance resources, and the time … Read more

When a Complete Used Robot Makes More Sense Than a Parts Shelf

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Used industrial robot held as a production backup beside an active robotic cell

The Real Question Is How Much of the Failure You Need to Cover A used robot backup can make more operational sense than a shelf of spare parts. This is especially true when a robot failure could stop a critical process, and the plant cannot predict which component will fail. Keeping a compatible robot can … Read more

When Robot Backlash Becomes a Production Problem

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Maintenance technician checking an industrial robot joint for excessive mechanical backlash

Backlash Should Be Diagnosed Before It Becomes a Repeatability Problem Industrial robot backlash can first appear as a small positioning inconsistency that operators compensate for rather than report. A taught point needs adjustment, a tool approaches a fixture differently depending on its direction of travel, or a process that was previously stable begins requiring corrections. … Read more

Used Robot Operating Hours: What the Number Cannot Tell You

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Technician evaluating operating hours and mechanical condition of a used industrial robot

Used robot operating hours can look like an objective way to compare two machines. The number does not explain how those hours were accumulated or what loads the robot handled. It also does not show whether maintenance was performed correctly or what mechanical condition the robot is in today. A lower-hour robot can therefore be … Read more

When Does a Spare Industrial Robot Actually Justify the Capital?

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Spare industrial robot stored as production backup in a manufacturing facility

A spare industrial robot can look like expensive equipment doing nothing until a critical production robot fails. The real decision, however, is not whether an unused robot appears wasteful. It is whether the financial and operational exposure created by an extended robot outage is greater than the cost and complexity of maintaining a compatible replacement. … Read more

Before You Move or Service a Robot, Is Its Backup Actually Complete?

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Maintenance technician preparing industrial robot backups before servicing or relocating a robotic cell

An industrial robot can be mechanically healthy and still become difficult to return to production if its industrial robot backups are incomplete. Before maintenance, controller work, relocation, or cell modification, the real question is not simply whether someone copied the robot programs. It is whether the plant has preserved enough information to reconstruct the operating … Read more

Before a Used Robot Goes Back Into Die Casting

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Used industrial robot handling a casting beside a die-casting machine

A robot can move smoothly during a test and still create problems once it returns to a die-casting cell. Buyers evaluating used die-casting robots need to look beyond basic motion. Mechanical wear, heat exposure, controller condition, tooling, and integration requirements all affect whether reuse makes sense. Die casting can expose equipment to heat, contamination, lubricants, … Read more