These self-locking, compact solar tracking jacks are designed to precisely position loads at speeds up to 3.75 inches per minute.
|STM - Machine Screw Jacks|
|Part Number||Typical Dynamic Load Capacity*||Typical Static Load Capacity*|
|STM-2||4,000 lb.||4,000 lb.|
|STM-5||10,000 lb.||10,000 lb.|
|STM-15||30,000 lb.||30,000 lb.|
|STM-30||60,000 lb.||60,000 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.
|Machine Screw Solar Tracking Jack (STM) Dimensions (in inches)|
|STM-2||8.250||3.250||8.5||1.0||1.75||0.75||1.31||2.69||3.69||2.06||0.625||0.188 Sq x 1.0 Lg||1.88||5.5||1.250||5/16-18||5.000||0.75||1.00|
|STM-5||10.250||4.000||9.5||1.0||1.75||0.75||1.31||2.69||4.12||2.06||0.625||0.188 Sq x 1.0 Lg||3.00||6.0||1.250||5/16-18||5.000||1.00||1.50|
|STM-15||11.750||4.625||10.5||1.0||2.00||0.75||1.31||2.69||5.31||2.13||1.000||0.250 Sq x 1.25 Lg||3.75||6.5||1.375||5/16-18||5.875||1.50||1.75|
|STM-30||20.000||9.000||14.5||2.0||3.00||1.50||2.00||4.00||8.00||3.13||1.000||0.250 Sq x 1.25 Lg||6.00||8.0||1.750||3/8-16||8.000||2.00||2.25
- 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.