Ball Screw (STB)

These compact and efficient solar tracking jacks are designed to precisely position loads at speeds up to 3.75 inches per minute.

STB - Ball Screw Jacks
Part Number Typical Dynamic Load Capacity* Typical Staic Load Capacity*
STB-4.5 9,000 lb. 20,000 lb.
STB-11 22,000 lb. 40,000 lb.
STB-44 88,000 lb. 88,000 lb.

 

* Actual load capacities may vary depending on desired life and travel speed requirements.

Motor Control Options

Joyce/Dayton offers motor controls ranging from simple Motor Starters to complex positioning systems and Custom controls. Every system that is powered by an electric motor requires a control system. At Joyce, we know that choosing the best option can sometimes be a challenge. That’s why our Engineers are available to help you through the process.

 

solar tracking ball screw jack    REQUEST A QUOTE

 

   Ball (STB) Solar Tracking Jack

 

   Solar Products Brochure

 

   Solar Worksheet

 

   2D/3D Drawings 

 

   Application Details

Solar Tracking Jack - Ball

Ball Screw Solar Tracking Jack (STB) Dimensions (in inches)
ModelABCDEFGHJKLMNPQRSTU
STB-4.5 12.750 5.500 15.5 1.0 1.75 0.75 1.250 2.50 4.9 2.06 0.625 0.188 Sq x 1.0 Lg 3.75 6.0 1.250 5/16-18 5.00 1.25 1.50
STB-11 12.750 5.750 19.5 1.5 2.75 1.25 1.500 3.00 5.1 2.06 0.625 0.188 Sq x 1.0 Lg 3.75 6.5 1.750 5/16-18 5.00 1.75 2.00
STB-44 20.000 9.500 27.5 2.5 4.50 1.78 2.375 4.50 8.0 3.13 1.000 0.250 Sq x 1.25 Lg 5.00 13.0 2.750 3/8-16 8.00 3.00 4.00

Construction

  • Aluminum housing
  • Alloy screw
  • Customer to provide trunnion pins. They should be made of steel with hardness greater than 30 HRC, yield strength greater than 110 KSI, and supported within 1/16 inch of the actuator housing.

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Request a quote for products and repair parts:

  • New Product Quote: Visit the product sections on this website and select or construct a part number and quantity of the product you wish to purchase.
  • Reorder a Product: Include the previous PO or serial number along with the quantity you need.
  • Repair Parts: View the product manual or exploded view to identify the components that are needed. Locate the product serial number and include it in your correspondence with Customer Service.

If you need us to repair your product, request a Returned Goods Authorization (RGA) number by email, phone, or simply fill out the form above and mention "RGA" in message box.

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