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Micro Screw Jack

Model: JTC2.5 Micro Screw Jack
Categories: Hot Products »
Place of Origin: Made In China
Brand Name: JACTON

Micro Screw Jack Features
1. Lifting Force 2.5kN. Under max. lifting force, drive torque high speed 1.2Nm, low speed 0.4Nm.
2. Acme screw diameter 14 mm, pitch 4 mm. Gearbox sizes 60x50x50mm. Center height 25mm, center distance 20mm. Worm shaft diameter 9mm.
3. High gear ratio 1/5, low gear ratio 1/20.
4. Translating screw, rotating screw with copper traveling nut, anti-rotation keyed screw configurations in upright or inverted mounting orientation.
5. Precision positioning, self-locking acme screw which supports the loads and hold position with no need to employ brake mechanism or other locking systems.
6. Manual operation micro screw jack, motorized micro screw jack by dc motor, stepper motor or other small motors or gear reducer.
7. No standard acme screw travel length, all acme screw travel length is processed according customers requirements.
8. Amce screw end fittings includes top plate (I), clevis end (II), plain end(III) and threaded end (IV). Custom made spherical hinge, forked head etc.
9. Individually or multiple units Micro Screw Jack lift system arrangements are available.

Micro Screw Jack Specifications

Micro Screw Jack Dimensional Drawing

Micro Screw Jack Ordering Information

JTC   -   2.5   -   UR  -   100   -   H  -   II   -   C   -   HW

   1           2           3          4          5       6       7          8

1. Jack Series
JT: "Jacton" brand screw jack
C series cubic screw jack

2. Load Capacity
2.5: lifting force 2.5kN, only for thrust load.
Before selecting JTC2.5, please check above Micro Screw Jack specifications.

3. Screw Configuration & Mounting Orientation
US: Upright translating screw                UK: Upright keyed screw                 UR: Upright rotating screw
IS: Inverted translating screw                 IK: Inverted keyed screw                 IR: Inverted rotating screw

4. Travel Stroke
100, means travel stroke 100mm
No standard travel stroke, Micro Screw Jack travel stroke produced following your require travel length.

5. Gear Ratio
Micro Screw Jack gear ratios include 1/5, 1/20.
H: High gear ratio 1/5, 0.8mm travel length per full turn of worm shaft.                                     
L: Low gear ratio 1/20, 0.2mm travel length per full turn of worm shaft.
Custom made medium speed ratio 1/10, 0.4mm travel length per full turn of worm shaft. 

6. Lift Screw End Fittings
Micro Screw Jack standard acme screw end fittings includes top plate (I), clevis end (II), plain end(III) and threaded end (IV). Custom made spherical hinge, forked head etc. If special lifting screw end fitting needed, please send us the end fitting drawings, we will make them following the drawings.

7. Worm Shaft Input Types
A: left side worm shaft input.              
B: right side worm shaft input.             
C: double worm shaft input.
M1: right side motor flange direct input, left side worm shaft input.                                       
M2: right side motor flange direct input. 
M3: left side motor flange direct input, right side worm shaft input.                  
M4: left side motor flange direct input. 

8. Accessories
N: No accessory
PP: Protective tube (lifting screw dust-proof and rustproof)
BB: Bellows boots (lifting screw dust-proof and rustproof)
HW: Hand wheel (hand operated)
DC: Digital counter or digital position indicator (installed on worm shaft, precision display stroke)
EM: Electric motor (motor driven)
GR: Gear reducer (motor driven with reduction gearbox)
WR: Worm gear reducer (motor driven with worm reduction gearbox)
LS: Limit switches (control stroke, when full extend or full retract travel, the motor will stop )
SN: Stop nut (installed at the bottom of lifting screw, prevent lifting screw from being removed from the jack housing)
PB: Pillow block bearing (when long distance between the supports, pillow block bearing is recommended)
FB: Flange pillow block bearing (when rotating screw jacks with long stroke or unguided, flange pillow block bearing is recommended)
FC: Flexible coupling (interconnections with drive shafts)
CS: Connecting shaft (for connecting drive shafts like screw jack lift system)
BG: Miter gearbox (right angle transmit rotary motions, power or torque in screw jack lift system)
SP: Swivel plate (installed on jack base with swivel pins for pivoting of loads)
RE: Rod end (solar tracking systems is required)

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Jacton Industry Co.,Ltd.
Contact: Warren Lee
Skype: jactonjack
T: 86-769-81585810
F: 86-769-81585852
E: sales@screw-jack.com
W: www.screw-jack.com

Building C, No.3078, Garden Road, Xin An Community, Chang An, Dongguan 523880, Guangdong, China    Phone: 86-769-81585810 | Fax: 86-769-81585852
China Screw Jack,Ball Screw Jack,Machine Screw Jack,Worm Gear Screw Jack,Bevel Gear Screw Jack,Miter Gearbox,Screw Jack Lift System Manufacturer