Difference between revisions of "RC08-Dribbler"
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==Parts== | ==Parts== | ||
| − | + | ===dribbler bar prototypes=== | |
| − | + | *3/4" diameter aluminum bar stock | |
| − | + | **$8.34 | |
| − | + | **McMaster part number 6750K181 | |
| − | + | *3mm diameter aluminum bar stock | |
| + | **$6.94 | ||
| + | **McMaster part number 1681T21 | ||
| + | *3/4" neoprene heat shrink | ||
| + | **pack of 5 for $8.97 | ||
| + | **McMaster part number 7505K86 | ||
| + | *3mm e-clips | ||
| + | **pack of 100 for $3.03 | ||
| + | **McMaster part number 98543A101 | ||
==Specs from CMU== | ==Specs from CMU== | ||
Revision as of 19:57, 12 October 2007
This page contains the information and documentation of the 2008 dribbler system
Contents
Motor
- Dribbler motor has been found and will be ordered soon (10/5/07)
- Source: MicroMo
- Motor: 12V DC brushless servo motor #E-1628B
- $147.10 each
- Planetary gearhead: #E-167 gear reduction: 14
- Complete assembly 1628-V-0003
- $200.40 each
- EE team's specification
- 12 Volts
- must have position or speed encoders
- brushless DC
Gearing
- Example geared down dribbler bar speed used in CMU robots ~7800 RPM
Dribbler bar prototypes
- shaft diameter on ends of bar - 3mm
- maximum diameter of dribbler - .75"
- the dribbler bar prototypes will be lathed and done coated with neoprene heat shrink
Parts
dribbler bar prototypes
- 3/4" diameter aluminum bar stock
- $8.34
- McMaster part number 6750K181
- 3mm diameter aluminum bar stock
- $6.94
- McMaster part number 1681T21
- 3/4" neoprene heat shrink
- pack of 5 for $8.97
- McMaster part number 7505K86
- 3mm e-clips
- pack of 100 for $3.03
- McMaster part number 98543A101
Specs from CMU
- Dribbler motor gear from SDP-SI: S10T05M042A0303 Module 0.5, 42 Teeth, 20° Pressure Angle , 2024 Aluminum alloy Gear
- Dribbler bar gear from SDP-SI: S10T05M028A0305 Module 0.5, 28 Teeth, 20° Pressure Angle , 2024 Aluminum alloy Gear
- spur gear reduction 1:1.5
- Dribbler Motor - Maxon
- 266521
- http://test.maxonmotor.com/docsx/Download/catalog_2007/Pdf/07_154_e.pdf
- nominal speed 28200 rpm
- Gearhead
- 118184 - Maxon
- http://test.maxonmotor.com/docsx/Download/catalog_2007/Pdf/07_215_e.pdf
- reduction 5.4:1
- nominal dribbler bar speed = 28200/5.4*1.5 = 7833 RPM. It is, of course, adjustable by software.
