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WormBox (am-0917)
WormBox (am-0917)
Price: $119.00

Stock Status: In Stock

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Product Overview:
The WormBox is a lightweight gearbox for the CIM Motor, intended for being a lightweight drive gearbox or a gearbox for driving a medium-weight robot arm.

NOTE: While there are some worm style gearboxes that do not backdrive, when operated correctly, the Worm Box and RAW Box AndyMark gearboxes do back-drive. This is due to the angle of the worm gears.

  • Overall Ratio: 16:1
  • Gear Material: High-Strength Nylon
  • Weight: 1.16 pounds (without motor)
  • Input: 8mm (0.313") Shaft, 2mm keyway
  • Output Shaft: 1/2" Diameter, 1/8" keyway, 4140 steel
  • Max Output Torque: 70 foot-pounds

Included Hardware:

  • One - Plastic Worm Gear (am-0934)
  • One - Plastic Driven Gear, 32 tooth (am-0933)
  • One - Back Plate (am-0918)
  • One - Output Plate (am-0919a)
  • One - End Plate (am-0920)
  • One - Motor Plate (am-0921)
  • One - Output Shaft (am-0922)
  • One - Worm Shaft (am-0923)
  • One - Bronze Spacer 0.5" L x 5/16"ID x 0.5"OD (am-2698)
  • Two - FR8ZZ Bearing (1/2" id, flanged) (am-0030)
  • One - FR6ZZ Bearing (3/8" id, flanged) (am-0028)
  • One - Shaft Adapter, 8mm to 500 Hex (am-0588)
  • Four - Nylock Nut, #10-32
  • One - 1/4 Washer
  • One - 1/4-20 x 1/2 BHCS
  • Four - #10-32 x 1-3/4 SHCS
  • Two - #10-32 x 3/4 SHCS
  • Two - Spring Pin, 3/16 x 3/4
  • One - 1/8" Machine Key (am-1043)
  • Two - Plastic Spacer, 3/16" long, 1/2" id
  • One - 2mm Machine Key (am-01121)
  • Two - Worm Gear Sleeve (am-2114)

Average Customer Review: 4 of 5 Total Reviews: 6 Write your own review!

  0 of 0 people found the following review helpful:
Poorly designed February 15, 2017
Reviewer: Anonymous Person  
My main issue with this gearbox is the two bottom mounting holes which are impossible to work with.

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  3 of 4 people found the following review helpful:
Weak and Overpriced April 1, 2014
Reviewer: Anonymous Person  
I am usually satisfied with Andy Mark parts, but after using this gearbox in competition this year, and after hearing other horror stories from fellow FRC teams, I would highly recommend not buying this product. The Wormbox is made of nylon and aluminum. Lightweight - yes. However, this product is made of such non-substantial materials that it really should not be used to provide even modest torque to a robotic part. This year we replaced the nylon gear THREE times in two competitions, as the tension pins that transmit torque to the shaft tore right through the weak plastic. What's more, there is plenty of play in the Wormbox, and it should never be used on a part that needs to be rotated to a precise angle. Finally, this lightweight gearbox is a surprising $120.00. This is simply outrageous, considering the cheap material composition and relatively simple design. Overall, the Wormbox is incredibly unreliable for most robotics applications, and is handsomely overpriced.

(AndyMark response: We are sorry this gearbox did not work for your application.  The intent of this gearbox is that it is a light, quiet, low torque gearbox.)

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  2 of 2 people found the following review helpful:
March 25, 2013
Reviewer: Richard Zimmermann from Youngstown, OH United States  
Alot stronger than I thought it would be.  Smooth running.

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  0 of 1 people found the following review helpful:
February 14, 2013
Reviewer: Accounts Payable from Knoxville, TN United States  

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  0 of 1 people found the following review helpful:
. February 23, 2012
Reviewer: Pat O'Cain from Kincardine, ON Canada  

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