Ec1330 Unit 1 Assignment
After working on the EC130 Title Equipped Console, we went back to our second assignment: creating a new helicopter (H125) tailboom jig.
For the new tailboom jig, it needed to fulfil the following requirements:
• Metal-base structure on wheels with brakes
• Independent height-adjustable fixation ends holding the tailboom
• System that allows adjustment in Y and Z direction
• Simple Design
The first task was to select an appropriate machine screw actuator that would be used in supporting the H125 tailboom. Selection of the machine screw actuator size was based on a Factor of Safety of 3 of its intended working load (load experienced during normal operation) of 200kg per actuator (Based on a Tailboom mass of approximately 400kg).
The above chart shows how much load applied will cause the machine screw actuator column to buckle according to the extension length of the machine screw actuator. With the limit load of 600kg (1322.77 lbs), we decided on using either M1 or MA20 (Machine Screw Actuator Model) as they both have a critical load of 2000lbs. Additionally, their critical load does not get affected by any extensions up to 35 inches, which was more than enough for our needs (20 inches). …show more content…
Nuts used) not given at all. Having the M1 machine screw actuator model would allow for us to design the mounting base accordingly. We designed the base plate for the M1 machine screw actuator in a way that there would be enough clearance for the handle and it is located at the center point of the jig. We first found the load data required for the sizing of the tailboom jig. These data included the weight of the H125 tailboom, placement of tailboom and the maximum possible force exerted on the side of the tailboom jig during movement. Sizing of the tailboom jig involved various calculations such as the force required to topple the jig and stress present at relevant features of the
For the new tailboom jig, it needed to fulfil the following requirements:
• Metal-base structure on wheels with brakes
• Independent height-adjustable fixation ends holding the tailboom
• System that allows adjustment in Y and Z direction
• Simple Design
The first task was to select an appropriate machine screw actuator that would be used in supporting the H125 tailboom. Selection of the machine screw actuator size was based on a Factor of Safety of 3 of its intended working load (load experienced during normal operation) of 200kg per actuator (Based on a Tailboom mass of approximately 400kg).
The above chart shows how much load applied will cause the machine screw actuator column to buckle according to the extension length of the machine screw actuator. With the limit load of 600kg (1322.77 lbs), we decided on using either M1 or MA20 (Machine Screw Actuator Model) as they both have a critical load of 2000lbs. Additionally, their critical load does not get affected by any extensions up to 35 inches, which was more than enough for our needs (20 inches). …show more content…
Nuts used) not given at all. Having the M1 machine screw actuator model would allow for us to design the mounting base accordingly. We designed the base plate for the M1 machine screw actuator in a way that there would be enough clearance for the handle and it is located at the center point of the jig. We first found the load data required for the sizing of the tailboom jig. These data included the weight of the H125 tailboom, placement of tailboom and the maximum possible force exerted on the side of the tailboom jig during movement. Sizing of the tailboom jig involved various calculations such as the force required to topple the jig and stress present at relevant features of the