What Is a Delta Robot ?
Delta Robots are fast and precise in manufacturing, learn how they can increase production speed.
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The video above will be talking about FANUC, the videos below will talk about changing linkage length, and ABB robotics, FANUC America Authorized System Integrators Strongpoint Automation is a market leader in the design, develop, and manufacture of world class robotic solutions and conveyor systems, Strongpoint Automations top load cartnur features for FANUC M-2IA/3SL, Delta Style robots complete with a integrated FANUC IR vision system, the system is capable of packaging up 400 pouches per minute in both horizontal and vertical formats, the FANUC M-2IA robots and of armed tools feature PIA b vacuum generators complete with custom machined profiles ensuring product stability throughout the pick and place cycle, the FANUC IR vision system features a backlight light array and camera filters ensuring accurate product tracking regardless of packaging finish or graphics, the Strongpoint Automation system features a servo driven metering system to introduce cartons into the packaging stream, interchanging belt profiles allow for packing 2x2 horizontal and bulk club formats, Line Balancing ensuring cartons are fully packed prior to cell discharge, when vertical carting is required, a matrix of FANUC M-2IA is used to sort and orient the pouches for introduction into dual product collators, each vertical collators is driven from dual allen-bradley stratic series servo motors to allow for random product instruction and presentation to a FANUC M-20IA Robot used for vertical packing, the FANUC M-20IA Robot picks 24 pouches simultaneously, and places them in vertical cartons integrated line tracking algorithm, vertical cartons are erected, packed and sealed prior to discharge from the Strongpoint Automation carton, FANUC America Authorized System Integrators Strongpoint Automation is at the leading edge of Automation, to learn more, visit strongpointautomation.com
Speeding up Honeytop's pancake production, How ABB robots are helping Honeytop Specialty Foods Ltd improve productivity and hygienic conditions, ABB Robotics and its strategic partner RG LUMA are using robotic technology to transform the production of pancakes, the solution was designed, built, and installed by RG LUMA to meet Honeytop's own stringent hygienic handling of food, reduced labor costs, and improved health and safety levels, Honeytop's pancakes once cooked are placed on a conveyor to help produce the pancakes to room temperature, before the pancakes reach the enclosure, a divider pushes the pancakes to either side of the central out feed conveyor, then operators manually check the pancakes for consistency, the pancakes are then fed into the robotic enclosure, the enclosure is split into 4 areas of operation and is comprised of 4 FlexPickers robots, or programming and control units, one central outfeed conveyor, and 2 standard conveyors, the pancakes are then ready to be picked and stacked in selectable stack formations on the central outfeed conveyor, the overall is capable of stacking in excess of 400 pancakes per minute, offering improved cycle times of 20% and a increased payload of 50%, complementing the FlexPickers is a BeBes pick master 3.2 software, which helps monitor progress on the line and enables quick production changes from 1 product to another, integrated with the pick master software, a 4 gigabit ethernet cameras mounted in front of each robot and used to locate each pancakes position on the conveyor, the robots then tracks the pancake position for accurate picking and stacking, RG LUMA configured the vision software to recognize overlapping products to ensure the FlexPickers are able to pick a product overlapped on top of another one, helping Honeytop reduce its wastage, RG LUMA has introduced a new buffer system, it enables the robots to keep pancakes on the buffer shelf until a short stack is identified, the stacks of pancakes are then fed out of the robotic enclosure on the central outfeed conveyor, ready to be packed and distributed, speaking about the final solution, William Eid, director of Honeytop Specialty Foods Limited commented: "This is our first investment in robotic automatic technology and despite some apprehension, we have not experienced one issue since the installation over 6 months ago, turnaround time has been dramatically reduced and the robots have enabled us to absorb a number of overheads, thanks to reduced labor costs and improved productivity."
Optimizing Delta Robot Linkages, the steel rods seen at the start of the video are temporary and are placeholders until the programming is finished and replacing them to carbon fiber tubes when the length is optimized for speed, range of motion, and torque, for the purpose of the video above, we will be referring to the 2 main linkages as a bicep and a forearm, the base is the motor mount at the top and the end effector is the hand, an easy way to visualize this system is to think of the bicep as a gear attached to a motor shaft and the forearm as another gear attached to an output shaft, so when the forearm is larger than the bicep, you end up with a larger range of motion, lower speed, and more torque similar to a gear reducer, when the bicep is larger than the forearm, you end up with a lower range of motion, higher speed, and lower torque, similar to a gear multiplier, when the bicep is equal to the forearm, you basically have a 1:1 resolution, now we want you to ignore the lower speed, higher speed, the more torque, y'know lower torque because the main thing you really need to pay attention to is the range of motion because the others can be offset and compensated for with your motor choice, the end effector is essentially the hand of the robot, for optimal stability, the end effector offset should be minimized in respect to the maximum arm space you can fit in for your design, the most common stepper motor is 1.8 degrees per step so that means 200 steps per resolution, several motors are rarely ran 1 full step so they're often micro-step to give you a better increase in resolution and the shaft turn smoother, but you can see that as you increase the number of micro-steps, your torque drops quite a bit at 1/16 micro-steps, you end up with 3200 steps for a resolution but only 9.8% of the full rated torque, one way around this is to use a gearbox, so for example you're going to be using a 5 to 1 gear box, not only you get a increase in torque but you also get a increase in resolution, if you just look in the 8 to 1 micro-steps shown in the video, you get 97% of the original rated torque and 0.04 5 degrees per step there's a very helpful website shown in the video, thank you for reading this blog.
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