BALL Screw JACKS Joyce/Dayton offers Ball Screw Jacks in several designs including: • Translating • Keyed for traveling nut (KFTN) • Double clevis • Trunnion mount A guide for ordering is on pages 82 and 83. 2D and 3D models available on website • Ordering information on pages 82 and 83

Ball screw jacks ORDERING INFORMATION Instructions: Select a model number from this chart. 1-Ton Standard 2-Ton Reverse Base Standard 2-Ton Reverse Base High Lead RHWB62 RHWB122 RHWB242 10-Ton Standard High Lead 10-Ton Heavy Duty High Lead Important Note: *Not self-locking, may lower under load. Brake motors or external locking systems are required. H: indicates High lead (2-ton, 5-ton and 10-ton only). R: Reverse Base Jack (2-ton and 50-ton only). Sample Part Number: WB65U4S-6.0-STDX-STDX-B Jack Configuration Left Side Shaft Code Additional Options Right Side Shaft Code (see below) X=Standard...

ball screw JACKS SHAFT CODES Instructions: Select the appropriate shaft codes for both right and left hand shafts. One shaft code must be specified for each side of the jack. Screw Stops (p. 10) and Boots (pp. 170-172) Screw stops are optional on ball screw jacks. When specified the closed height of the jack and the protection tube length may be increased. When boots are added to ball screw jacks, the closed height of the jack may be increased. Encoders and Electronic Limit Switches ENCX=Encoder (p. 178) ELS2=2 Position Electronic Switch ELS4=4 Position Electronic Switch ELS6=6 Position Electronic...

Screw Length (inches) This chart includes a 2:1 Factor-of-Safety based on the Euler-Johnson equation for column loading (Oberg, Erik et al: Machinery’s Handbook, 24th Edition. c. 1992 Industrial Press Inc.) The horizontal portion of each line represents the jack’s maximum dynamic capacity. Under static conditions, these lines can be exceeded. Please contact factory for assistance. Ball Screw Jacks Column Loading Chart Ball screw jacks COLUMN LOADING 2D and 3D models available on website • Ordering information on pages 82 and 83

BALL SCREW JACKS SPECIFICATIONS Important Note: Ball Screw Jacks are not self-locking. Brake motors or external locking systems are required. (R): Reverse Base Jack. Tare Torque: Initial torque to overcome seal and normal assembly drag. This value must be added to starting torque or operating torque values. Starting Torque: Torque value required to start moving a given load (dissipates to operating torque values once the load begins moving). Operating Torque: Torque required to continuously raise a given load at the input RPM listed. Note: If your actual input RPM is 20% higher or lower than...

BALL SCREW JACKS 1 TON - 3/4" SCREW STANDARD DUTY EjND CONDITIONS (SHOWN AT MINIMUM CLOSED DIMENSIONS) Typical Plan View LG. KEYWAY BOTH ENDS Right Side Left Side BOTH ENDS Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83

BALL SCREW JACKS 1 TON - 3/4" SCREW HEAVY DUTY Typical Plan View LG. KEYWAY BOTH ENDS Right Side BOTH ENDS Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83

BALL SCREW JACKS END CONDITIONS (SHOWN AT MINIMUM CLOSED DIMENSIONS) Typical Plan View KEYWAY BOTH ENDS Right Side FOR DOUBLE CLEVIS DESIGN CONTACT JOYCE/DAYTON Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83

BALL SCREW JACKS 2 TON REVERSE BASE -1" SCREW STANDARD 6 1/2 END CONDITIONS (SHOWN AT MINIMUM CLOSED DIMENSIONS) Typical Plan View KEYWAY BOTH ENDS BOTH ENDS Right Side Left Side FOR DOUBLE CLEVIS DESIGN CONTACT JOYCE/DAYTON Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83 [email protected] joycedayton.com

BALL SCREW JACKS 2 TON -1' SCREW HIGH LEAD 1 7/8 B.C. 6 END CONDITIONS (SHOWN AT MINIMUM CLOSED DIMENSIONS) Typical Plan View KEYWAY BOTH ENDS Left Side FOR DOUBLE CLEVIS DESIGN CONTACT JOYCE/DAYTON Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83

BALL SCREW JACKS 2 TON REVERSE BASE -1" SCREW HIGH LEAD Typical Plan View KEYWAY BOTH ENDS BOTH ENDS Right Side Left Side FOR DOUBLE CLEVIS DESIGN CONTACT JOYCE/DAYTON Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83 [email protected] joycedayton.com

BALL SCREW JACKS Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83 joycedayton.com [email protected]

BALL SCREW JACKS 5 TON -1 1/2" SCREW HIGH LEAD END CONDITIONS (SHOWN AT MINIMUM CLOSED DIMENSIONS) Typical Plan View LG. KEYWAY BOTH ENDS Right Side Left Side FOR DOUBLE CLEVIS DESIGN CONTACT JOYCE/DAYTON Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83

BALL SCREW JACKS THREADED END MALE CLEVIS END END CONDITIONS (SHOWN AT MINIMUM CLOSED DIMENSIONS) KEYWAY BOTH ENDS Typical Plan View Right Side BOTH ENDS Left Side FOR DOUBLE CLEVIS DESIGN CONTACT JOYCE/DAYTON Note: Drawings are artist's conception — not for certification; dimensions are subject to change without notice. 2D and 3D models available on website • Ordering information on pages 82 and 83