3YRS
CHENTA PRECISION MACHINERY IND. INC.
886-7-3727007
886-7-3727267
118, Hall Tran Lane, Jenwu Dist., Kaohsiung City Taiwan
www.chenta.com

Products

SCREW JACK
Screw Jack Worm Reducer (J Series)
JTM

FEATURES
1. Various applications: widely used in various industries such as in machinery, metallurgy, architecture, irrigation, solar power energy, etc.
2. Installation flexibility: adjustable installation by moving upward, moving downward, auxiliary propelled, turnover, and height adjustment.
3. Versatile applications: can be driven by electrical motors or other power drivers or by manual.
4. Easy mounting: available for various mounting positions for diverse applications.
5. Stable transmission: designed and used in aluminum bronze worm wheel which offers better strength, endurance, low noise, high reliability, and free lock.
6. Self-lock: irreversible from the output shaft and makes power transmission safely.
7. Strength enhanced: the casting and covers are produced by nodular graphite cast iron of high tensile strength.
8. Configuration: compact, versatile, and firm.

Specification

J Series
Size Pitch
 
Ratio
 
1800RPM (Input RPM)
Input Power(kw) Lifting Load(kg) Lifting Speed(mm/min)
35 ∮1.0"
ACME
P=5
1/5 0.70 500 1800
1/10 0.38 500 900
1/20 0.38 600 450
40 ∮1-1/4"
ACME
P=6
1/6 0.98 700 1800
1/12 0.67 950 900
1/24 0.38 950 950
50 ∮1-1/2"
ACME
P=6
1/6 1.40 900 1800
1/12 1.10 1350 900
1/24 0.78 1800 450
60 ∮1-3/4"
ACME
P=8
1/8 2.13 1300 1800
1/16 1.13 1300 900
1/32 0.80 1750 450
65 ∮2.0"
ACME
P=8
1/8 2.02 1300 1800
1/16 1.07 1300 900
1/32 0.76 1750 450
70 ∮2-1/2"
ACME
P=10
1/10 2.68 1400 1800
1/20 1.43 1600 900
1/40 1.15 2400 450
100 ∮3.0"
ACME
P=12
1/12 3.65 1850 1800
1/18 2.67 1900 900
1/36 1.67 2200 450

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