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Unread 14-01-2013, 16:47
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Paul Copioli Paul Copioli is offline
President, VEX Robotics, Inc.
FRC #3310 (Black Hawk Robotics)
Team Role: Engineer
 
Join Date: Jun 2001
Rookie Year: 2000
Location: Rockwall, TX
Posts: 1,392
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Re: VEX Robotics Relaunches VEXpro Product Line with over 120 New & Improved Products

Quote:
Originally Posted by team222badbrad View Post
We assembled the VEXpro 3 stage Ball shifters today.

This post is to alert IFI and other teams of an issue with the assembly of the 3 stage transmission only.

Both of our transmissions had this issue and it took some investigation to find the exact issue.

There is a gap between the stamped metal plate that houses the third stage bearing and the 1/2" hex standoff's. If you install the plate it will bend and cause other problems. It appears that hex molded into the transmission housing is approximately .05" too deep as the 3D model measures .25" and the actual measurement of the molded housing is .30". One fix would be to add shims between the 1/2" hex and the metal plate.
We have inspected our current inventory of plastic housings and they all have this 0.3" dimension. We have an interim solution for this problem and will be contacting the current customers who have already ordered the 3 stage ball shifter. We will be shipping a retrofit kit to all customers who have already received the shifter. All 3 stage shifters shipping starting Wednesday will already include the interim solution.

We apologize for any inconvenience this has caused.

Paul
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In full disclosure I am the President of VEX Robotics, a division of Innovation First International.
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