1 Ton Machine Screw Jacks

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1 Ton Machine Screw Jacks

UL51, UL101

UNI-LIFT series 1 ton machine screw jacks offer precise positioning, uniform lifting speeds and capacity up to 1 Ton. Standard model configurations include upright or inverted units with translating or rotating lifting screws. End configurations include load pad, plain, threaded, and clevis ends.

 

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(937) 294-6261

(800) 523-5204

2D/3D Drawings

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2D/3D DRAWINGSINSTRUCTION SHEET UNI-LIFT CATALOG PRODUCT INFORMATION
jack

Available Models

UL 1500 lbs. UL 1 TON UL 2 TON UL 5 TON UL 10 TON UL 20 TON UL 30 TON UL 50 TON

Sample Part Number:

Click on the part number to reveal additional informaton about jack designs and shaft codes.

Model Number

1500 Lb 1 Ton 2 Ton 5 Ton 10 Ton 20 Ton 30 Ton 50 Ton
DUL1500 UL51 UL62 UL55 UL610 UL820 UL930 UL1050
UL1500 UL101 UL82 UL125 UL1210 UL1620 UL1830 UL2050
    UL122 UL245        

Jack Configuration

U=Upright

I=Inverted

End Conditions

1=T1
(plain end)

2=T2
(load pad)

3=T3
(threaded end)

4=T4
(male clevis)

Jack Designs

S=Translating

K=Keyed for Non Rotation

N=Traveling Nut

D=Double Clevis

R=KFTN Trunnion*
T=Trunnion*

* Standard trunnion mounts available on 2-ton through 20-ton jacks.

Machine Screw Jack Rise

Rise is travel expressed in inches and not the actual screw length.

Left Side Shaft Code

Right Side Shaft Code

XXXX=Remove
STDX=Standard

XXXX=Remove
STDX=Standard

Optional Shaft Codes

Screw Stops and Boots

Screw stops are optional on machine screw jacks. When specified, the closed height of the jack and/or the protection tube length may be increased. When boots are added to machine screw jacks, the closed height of the jack may be increased.

Mechanical Counters

CNT0=0.001" Increments
Note: Contact Joyce/Dayton for availability and options.

Hand Wheels

HW04=4" dia
HW06=6" dia
HW08=8" dia
HW10=10" dia
HW12=12" dia

Geared Potentiometers

POTA=0-10V (IP65)
POTB=4-20MA (IP65)
POTC=0-10V w/2 switches*
POTD=4-20MA w/2 switches*
*Optional IP65 rating available

Encoders and Electronic Liit Switches

ENCX=Encoder
ELS2=2 Position Electronic Switch
ELS4=4 Position Electronic Switch
ELS6=6 Position Electronic Switch

Motor for Systems and Direct Drives

  • All standard motors are 3-phase, 208-230/460 VAC or 230/460 VAC. Other motor options are available. Specify the appropriate motor size from the chart on the right.
  • Refer to the "Additional Options" chart on the preceding page as needed.
  • Brake motors (M2) are recommended for jacks that are not self-locking, and jacks with double lead screws.
  • If the motor frequency will be varied to provide a "soft" start an inverter duty motor may be required.

Motors

Size Code
1/4 HP K
1/3 HP A
1/2 HP B
3/4 HP C
1 HP D
1-1/2 HP E
2 HP F
3 HP L
5 HP G
7-1/2 HP H
10 HP I
15 HP J

Motor Mounts

Ordering Example:
MMA A (Motor code from chart above)

MMA=56C
MMB=140TC
MMC=180TC
MMD=210TC

Standard motor adapters are aluminum

Mechanical Limit Switches

Ordering Example:
LA (Models) 1(Number of DPDT Switches) 3(Available Positions)

Model Code   Available Positions
LS7-402 LI

Number of DPDT Switches

NOTE: Will always be 0 for LS7 models

   1 2* 3 4 5 6* 7 8
LS8-402 LA Left Side Shaft Options
LS8-504 LB
LS9-502 LC
LS9-503 LD Right Side Shaft Options
LS9-504 LE
LS9-505 LF
LS9-506 LG
  • 2, 3, 5, 10, 15, and 20 ton jacks are available with positions #1, #3, and #5
  • 25, 30, 35, 50, 75, 100, and 150 ton jacks are available with positions #1, #4, #7, and #8

*These positions are not standard. Contact Joyce/Dayton with your requirements.
LS9-507 LH

Additional Options

  • X=Standard Jack, no additional options
  • S=Additional Specification Required (comment as necessary)

Anti-Backlash

  • A=Split Nut
  • A90=A90 Design
  • A95=A95 Design

Protective Boots

  • B=Protective Boot
  • D=Dual Protective Boot

Finishes

  • F1=Do Not Paint
  • F2=Epoxy Paint
  • F3=Outdoor Paint Process

Motor Options

  • M1=Less Motor
  • M2=Brake Motor
  • M3=Single Phase Motor (120VAC)
  • M4=50Hz Motor

Grease/Seals

  • H1=High Temperature Operation
  • H2=Food Grade

Screw Stops

  • ST0=Extending
  • ST1=Retracting
  • ST2=Both
  • Specify as many options as needed
Model Capacity Screw Diameter (inches) Thread Pitch/Lead Worm Gear Ratio Worm Shaft Turns for 1" Travel Tare Torque (Inch Lbs.) Starting Torque (Inch Lbs.) Operating Torque (Inch Lbs.) Efficiency Rating % Approx Screw Torque (Inch Lbs.) Basic Jack Weight (Lbs.) Jack Weight per Inch Travel (Lbs.)
DUL1500 1500 Pound 0.625 .125/.25 5:1 20 1 0.030W* 0.022W* @500 RPM 52.8 0.087W* 2 0.1
UL1500 1500 Pound 0.625 0.125 5:1 40 2 0.024W* 0.016W* @500 RPM 37.5 0.065W* 2 0.1
UL51 1 Ton 0.750 0.25 5:1 20 3 0.034W* 0.023W* @500 RPM 50.2 0.098W* 9 0.2
UL101 1 Ton 0.750 0.25 10:1 40 3 0.021W* 0.014W* @500 RPM 41.1 0.098W* 9 0.2
UL62 2 Ton 1.000 0.25 6:1 24 4 0.035W* 0.022W* @500 RPM 43.3 0.120W* 13 0.4
UL82 2 Ton 1.000 0.25 8:1 32 4 0.029W* 0.018W* @500 RPM 40.1 0.120W* 13 0.4
UL122 2 Ton 1.000 0.25 12:1 48 4 0.023W* 0.014W* @500 RPM 34.1 0.120W* 13 0.4
UL55 5 Ton 1.500 0.333 5:1 16 5 0.052W* 0.034W* @300 RPM 44.7 0.175W* 23 0.7
UL125 5 Ton 1.500 0.333 12:1 36 5 0.032W* 0.019W* @300 RPM 30.5 0.175W* 23 0.7
UL245 5 Ton 1.500 0.333 24:1 72 5 0.024W* 0.013W* @300 RPM 15.7 0.175W* 23 0.7
UL610 10 Ton 1.750 0.333 6:1 18 7 0.055W* 0.035W* @200 RPM 35.3 0.197W* 47 0.9
UL1210 10 Ton 1.750 0.333 12:1 36 7 0.036W* 0.021W* @200 RPM 26.5 0.197W* 47 0.9
UL820 20 Ton 2.500 0.500 8:1 16 9 0.060W* 0.038W* @200 RPM 36.4 0.285W* 90 1.8
UL1620 20 Ton 2.500 0.500 16:1 32 9 0.039W* 0.023W* @200 RPM 27.4 0.285W* 90 1.8
UL930 30 Ton 2.750 0.5 9:1 18 10 0.057W* 0.035W* @200 RPM 34.4 0.307W* 103 2.1
UL1830 30 Ton 2.750 0.5 18:1 36 10 0.037W* 0.022W* @200 RPM 25.8 0.307W* 103 2.1
UL1050 50 Ton 4.250 0.667 10:1 15 12 0.076W* 0.046W* @150 RPM 31.4 0.463W* 230 5
UL2050 50 Ton 4.250 0.667 20:1 30 12 0.049W* 0.029W* @150 RPM 23.5 0.463W* 230 5
 
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