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A 300-ft long roller conveyor, which operates at a velocity = 80 ft/min, is used to move pal-lets between load and unload stations.
A roller conveyor moves tote pans in one direction at 150 ft/min between a load station and an unload station, a distance of 200 ft.
A closed loop overhead conveyor must be designed to deliver parts from one load station to one unload station.
A recirculating conveyor has a total length of 700 ft and a speed of 90 ft/min. Spacing of part carriers = 14 ft. Each carrier can hold one part.
A recirculating conveyor has a total length of 200 m and a speed of 50 m/min. Spacing of part carriers = 5 m.
There is a plan to install a continuous loop conveyor system with a total length of 1000 ft and a speed of 50 ft/min.
Each aisle of a six-aisle Automated Storage/Retrieval System is to contain 50 storage compartments in the length direction and eight compartments.
A unit load AS/RS is being designed to store 1000 pallet loads in a distribution center located next to the factory.
An automated guided vehicle system is being planned for a warehouse complex. The AGVS will be a driverless train system.
An AGVS will be used to satisfy material flows indicated in the From-To Chart in the following table, which shows deliveries per hour.
A rail guided vehicle system is being planned as pan of an assembly cell. The system consists of two parallel lines, as in Figure.
An AGVS has an average loaded travel distance per delivery = 400 ft. The average empty travel distance is not known.
Four forklift trucks are used to deliver pallet loads of parts between work cells in a factory.
In the manual operation of a sheet metal stamping press, a two-button safety interlock sys-tem is often used to prevent the operator.
A single "start" button is used to turn on the power to the machine at the beginning of the day.
A planned fleet of forklift trucks has an average travel distance per delivery = 500 It loaded and an average empty travel distance n 350 ft.
An automated guided vehicle system has an average travel distance per delivery 200 in and an average empty travel distance = 150 m.
The length of the joint when fully retracted is 600 mm and when hilly extended is 1000 mm.
Determine the number of storage bits required in the controller memory so that the accuracy of the joint.
Determine the number of bits required in the binary register for that axis in the robot's control memory.
One axis of a RRL robot is a linear slide with a total range of 950 mm. The robot's control memory has a 10-bit capacity.
A TLR robot has a rotational joint (type R) whose output link is connected to the wrist assembly.
Suppose a photo detector is used to determine whether the lamp worked. if the lamp does not light when both switches are closed.
The outline of the cam in Figure is to be machined in an end milling operation, using a 12.5-mm diameter end mill with two teeth.
The part outline in Figure is to be profile milled in several passes from a rectangular slab (outline of slab shown in dashed lines).