Re: Drawing Gears


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Posted by Ian on October 30, 2002 at 20:01:56:

In Reply to: Re: Drawing Gears posted by Gary Burton on April 03, 2001 at 06:55:07:

hi i am a student doing a design course and have been tasked to design a gear box given certain conditions.
i have managed to come out with the dimensions of the gears, shafts, fasteners and bearings to be used. i was wondering if you will be able to use the above software to draw the relevant parts.

components - 2 spur gears, 2 shafts, bearings and fasteners
gear ratio 3:1
Pinion:
face width=60mm
module=4mm
teeth=15
pitch dia=60mm
addendum=4mm
dedendum=5mm
clearance=1mm
circular pitch=12.566mm
bore=28.4mm

Gear:
teeth=45
pitch dia=180mm
face width=60mm
addendum=4mm
dedendum=5mm
clearance=1mm
circular pitch=12.566mm
bore=148.4mm

Shaft:
length of each of the 2 shatfs = 160mm
gears arranged mid-point of shaft

Key:
length of key1 on shaft1 = 15mm
length of key2 on shaft2 = 35mm

Bearing:
bearing for shaft1 = 16mm
bearing for shaft2 = 20mm

fasteners:
M12x1.75

would appreciate if you could help me...
thanx



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