AM Shifter (GEN 1)

     

2-speed shifting transmission, using spur gears, designed for FIRST CIM kit motors (not included)

Shift Style

Dog gears, shift-on-the-fly, without clutch, driven by pneumatic cylinder (not included)

Weight

3.6 lbs.

Hardware

ball bearings
4140 steel gears, 20 dp, 14.5 degree pressure angle
3/32" thick steel side plates, plated
2 - 12 tooth, 35 series sprockets, located on output shaft

Lose Hardware

2 - CIM gears (12 tooth)
2 - 5/16" retaining clips
2 - 2mm x 2mm machine keys
4 - #10-32 screws
1 - 1/4-28 nut
1 - 1/4" spacer (stroke limiter for cylinder)

Gear Reduction

Low: 10.67:1
High: 4.17:1
Difference between Low and High: 2.56:1

New 4:1 high/low ratio

By using our new optional parts; 28 Tooth Small Output Gear and our 35 Tooth Medium Cluster Gear, you can have a 4:1 ratio between high and low gears.

Motor Input

Designed for 2 (or 1) motor inputs.
FIRST kit CIM Motor (1 or 2)
AM Planetary gearbox (1 or 2)
... or combination of above motors or gearboxes
(motors not included)

Shifter Operation

Designed for 1 pneumatic cylinder to shift gears
3/4" bore, 1" stroke pneumatic cylinder (Bimba part #: M-041-DP)
Pneumatic cylinder not included.

NOTE:

The AM Shifter Gen. 2 is an upgraded version of the AM Shifter. It provides all of the features of the AM Shifter, with the addition of being able to accept 1 Large CIM Motor from the FIRST Kit of Parts. It can still accept the 2 small CIM motors, if the user chooses.

Downloads

CAD file (.stp)
CAD file (.stp)
CAD assembly file (.stp)

AM Shifter Assembly Pictorial (.pdf)
AM Shifter Assembly file 1 (.pdf)
AM Shifter Assembly file 2 (.pdf)
AM Shifter Assembly file 3 (.pdf)
AM Shifter Assembly file 4 (.pdf)