MWF FEED
6th May 2018, 02:30 PM
I've been asked again to help in making some miniature Christmas Pageant displays.
This one is different to most, as it has a stationary centre piece, while the outer piece rotates. Usually I can find or obtain the bits required. But, this time I need the help of someone who can cut me a set of delrin gears, please? Asking as I don't have the tools available,YET!
I can supply the material and pay for your efferts in Delrin, as the display making efforts are done on a volunteer basis, I don't expect others to volunteer their time and efforts.
The pieces of Delrin I have to use are 118 mm diameter with a 66 diameter hole in the centre and 65 diameter and 40 mm long. If they could be cut the full length, I can cut them and that will give a set as a spare or for another display later on.
The gears will be slow turning, with the motor turning at 6 RPM and the display piece will be approx 2-3 RPM. The driver motor assembly is from a microwave, incase you're wondering where we get such slow turning motors.
The reason for using the gears, rather than a belt drive, is to make it easier to facilitate any repairs required from time to time. Little children love to touch the moving items and try to pick them up, if it was belt driven, the belt would come off. By using gears they would just drop back into place.
Thanks in advance,
Kryn
Read the full thread at metalworkforums.com... (http://metalworkforums.com/showthread.php?t=201808&goto=newpost)
This one is different to most, as it has a stationary centre piece, while the outer piece rotates. Usually I can find or obtain the bits required. But, this time I need the help of someone who can cut me a set of delrin gears, please? Asking as I don't have the tools available,YET!
I can supply the material and pay for your efferts in Delrin, as the display making efforts are done on a volunteer basis, I don't expect others to volunteer their time and efforts.
The pieces of Delrin I have to use are 118 mm diameter with a 66 diameter hole in the centre and 65 diameter and 40 mm long. If they could be cut the full length, I can cut them and that will give a set as a spare or for another display later on.
The gears will be slow turning, with the motor turning at 6 RPM and the display piece will be approx 2-3 RPM. The driver motor assembly is from a microwave, incase you're wondering where we get such slow turning motors.
The reason for using the gears, rather than a belt drive, is to make it easier to facilitate any repairs required from time to time. Little children love to touch the moving items and try to pick them up, if it was belt driven, the belt would come off. By using gears they would just drop back into place.
Thanks in advance,
Kryn
Read the full thread at metalworkforums.com... (http://metalworkforums.com/showthread.php?t=201808&goto=newpost)