FAQ Robotic Systems
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In order to find an affordable new or reconditioned robot, you first need to find a robot integrator that fully understands all aspects of robot integration. Once you have met with them to explain your requirements. Following this, they will propose the right automation solutions for your company. Also, they will ensure that you source the correct certified reconditioned robot for your project. Get the used robots for sale that best suit your requirements with our help for free.
Robot integrators analyse your robotic operation’s needs, develop a robotic cell proposal and suggest the best robotic options for your automation. Thus, Phoenix provides the following services:
- We assign a project manager
- Real-time project scheduling
- Constant supervision from our engineers
- Meeting with a customer for review scope, layout, equipment, and action item list
- Oversight of system manufacturing, assembly, integration, and programming
- Fully commission a robotic cell design into the manufacturing facility.
We have laid out a few pointers showing the basic elements to consider when looking for a reconditioned robot.
- The robot generation, older generation robots will be less expensive but a more recent generation of the robot will have more useful features.
- Hours of operation for a robot are not necessarily an indication of the robot wear and tear as a high hours robot may have been well maintained and a low hours robot not.
- Gearboxes and internal wiring harnesses are typically the most expensive components that fail on a robot. Therefore, they are also time-consuming to replace. Check this with the supplier before you proceed to buy.
The return on investment is a calculation where the current operating costs of manual operation are compared to the initial and ongoing costs of replacing these manual operations with an automated sequence with a robot at its base.
The costs of putting in place a robotic system are weighed against the yearly savings. In other words, the savings on salaries, reduced downtime, increased productivity, reduced scrap etc are taken into account to arrive at the number of years before those savings have paid back the initial investment.
Fortunately, robot running costs are very low as the robots run for thousands of hours before any need for maintenance. Each manufacturer includes his own maintenance schedule based on the hours of running or months of usage.
By reaching that point, the savings become operating profit allowing the production at a lower unit cost. If this comes out at anything between 12 to months and 36 months then the decision to invest becomes an easy one.
When selecting a robot it is important to consider the size of the working envelope (reach) and carrying capacity (payload). The payload is basically made up of two things:
- The weight of the end of arm tooling including parts that need to be picked up.
- The weight of any equipment fixed to the other axes of the robot. For example, a valve pack that is mounted on the upper arm.
The most common Types of Robots are:
Some factors of a robot’s design such as configuration, axes or degrees of freedom, influence its working area. When considering the working envelope of the robot it is necessary to bear in mind how to hold the parts. For instance, this could result in the wrist needing to be back on itself. In this case, the robot is going to require a bigger envelope than if the wrist was able to work from the front of the part.
Some applications don’t need 4 axes, for example, palletising where the movements are all on one plane. In this case, it makes sense to choose a dedicated palletising robot which will be quicker than one of the six axes equivalent robots.
Robot Maximum Payload is the maximum weight that can be mounted on the robots mounting flange (usually axis 6), including the EOAT (End-of-arm-tooling) and workpiece in the case where this is held in the EOAT as is the case of a gripper for example. It varies with different robot applications and models.
All robot manufacturers include a chart showing how the payload value and most manufacturers have an application to allow entering the details of the end tooling and then calculating the payload capacity needed.
It is also important to take into account the centre of gravity at the end of the robot arm tooling as this will have a direct effect on the maximum payload of the robot. If it is along the way from the mounting flange this will reduce the payload of the robot. All robot manufacturers produce charts showing the payload for a given gravity. Alternatively, the load calculation application could be used to carry out the calculation.
Robot Arm is the term used for manufacturing applications when referring to industrial robots. Industrial robots are classified by the degrees of freedom (the type of movement), and manufacturing application or process.
Robot Arms have different types of movement and the most common types of robots are:
- Cartesian Robots – Robots have three linear movements based on the coordinate system (X,Y and Z).
- Articulated Robots – Robots with 6-axis of movement.
- SCARA Robots – Robots that have
Collaborative Robots is a new generations of robots made with high-safety standards allowing them to work alongside humans.
An example of a Single Robot Cell will include:
- The Industrial Robot based on payload capacity and reach allied to the company’s needs.
- Robot End-Of-Arm-Tooling for example Gripper or Welding torch (*).
- Control panel including PLC or Operator Interface Screen (HMI), safety circuits, motor starters VSDs, etc.
- Cell guarding.
- Customized engineering for your system to complete the desired process.
- Safety equipment for example door safety switches, light curtains, laser scanners.
- Some auxiliary equipment such as conveyors, deburring equipment, etc.
- Fabrication, assembly, setup, toolpath programming.
- Installation and commissioning of the cell.
- Integration with your existing equipment.
- System-specific operator training.
- Programming or robot simulation based on customer’s requirements
(*) Spindles, Welding tooling or more complex Grippers, Spraying Equipment, and sometimes multiple tools along with a tool changer.
There are two primary considerations when selecting robots for industrial automation:
- The robot payload, which is the maximum mass that the robot can handle. (Note it is important to take into account also the centre of gravity of the payload)
- The working envelope, which is the working or reaches the area of the robot.
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Find answers to frequently asked questions about robotic systems. Looking to purchase a robot arm or robotic system? Not sure which robot system is the best option for your company? We will answer these and more questions in these sections. See tips that can help you to make the decisions or simply call us at 01235 823120, provide your project details and we will provide the options for your particular manufacturing robot application.
Robotic Systems Applications
Some robotics arms are more suitable for specific robot applications whether it be milling, assembly-line, painting application, palletising, welding and other robot applications. A robot integrator can help you to choose the right industrial arm robot for your application. Now is the time to invest in robotic systems as pricing has become a lot more competitive over the last years. Why is important to consult with an integrator when looking at robotic systems?
The Benefits of using a Robot Integrator
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