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JW Series Screw Lift
JWM type (trapezoidal screw type)
Low speed, low frequency JWM type (trapezoidal screw type) is suitable for low speed, low frequency occasions, the main components are: precision trapezoidal screw pair and high precision worm gear pair.
Economic: compact structure, simple operation, convenient maintenance.
Low speed, low frequency: mainly used in places with large load, low speed and infrequent work.
Maintain load: The trapezoidal screw has an automatic locking function, which can maintain the load even without a brake device.
*When subjected to large vibration and impact load, the self-locking function will occasionally fail, and an external brake device is required at this time.
JWB type (ordinary ball screw type)
High speed, high frequency JWB type (ordinary ball screw type) is suitable for high speed, high frequency and high performance devices, the main components are precision ball screw pair and high precision worm gear pair.
High efficiency Rolling friction improves the efficiency of the whole machine. Only a small drive source is needed to generate a large driving force.
High speed Compared with trapezoidal screw, the speed is greatly improved, and it can run easily and at high speed.
Long service life High-quality ball screw is used to increase its service life by more than 3 times.
Note: ① It has no self-locking function, and an external brake device or a drive source with brake is required.
② Please consult for JWH large pitch ball screw type.

Overview

JWM type (trapezoidal screw type)

The low-speed, low-frequency JWM type (trapezoidal screw type) is suitable for low-speed, low-frequency occasions. Its main components are: precision trapezoidal screw pair and high-precision worm gear pair.

Economical: compact structure, simple operation and easy maintenance.

Low speed, low frequency: mainly used in places with heavy load, low speed and infrequent work.

Hold the load: The lead screw has an automatic locking function, which can hold the load even without a brake device.

*When subjected to large vibrations or impact loads, the self-locking function may occasionally fail, and an external braking device is required.

JWB type (ordinary ball screw type)

High-speed, high-frequency JWB type (ordinary ball screw type) is suitable for high-speed, high-frequency and high-performance devices. Its main components are precision ball screw pairs and high-precision worm gear pairs.

High efficiency Rolling friction is used to improve the efficiency of the whole machine. Only a small driving source is needed to generate a large driving force.

High speed Compared with trapezoidal screw, the speed is greatly improved, and it can run easily and at high speed.

Long service life The use of high-quality ball screws can increase its service life by more than 3 times.

Note: ① It has no self-locking function and needs an external braking device or a driving source with braking.

②JWH large pitch ball screw type, please consult separately.

Machine assembly shape and features

Basic form (US, DS)

The nut turns the screw rod to move up and down. This is a common lift assembly.

US: On DS: Down

*Please select the appropriate lift (upward or downward) according to the load direction and installation direction.

*When the screw shaft is raised or lowered, it will generate rotational force, so measures must be taken to prevent rotation.

Anti-rotation structure (UM, DM)

UM: Up 1 DM: Down

It is suitable for situations where the top is running without a connection or the rope is pulled by a pulley and rotation cannot be prevented.

Please select the appropriate lift (UM or DM) according to the load direction and installation direction.

Movable nut structure (UR, DR)

Generally speaking, the lift must have the stroke generated by the lifting of the screw shaft and the space required by the screw cover. If you want to increase the stroke in a limited space, this movable nut structure is very suitable (the screw shaft rotates and the movable nut moves). The top of the screw shaft is cylindrical, so when the stroke is long, a support method is used at the shaft end to obtain a good transmission effect.

UR: Upward DR: Downward

Please select the appropriate lifter (pressing up or hanging down) according to the load direction and installation direction. Note: In the selection and model indication method, the placement direction of the nut must also be indicated.


JWM (trapezoidal screw type) basic parameters list

Model

JWM0002

JWM005

JWM010

JWM025

JWM050

JWM100

JWM150

JWM200

JWM300

JWM500

JWM750

JWM1000

Maximum load KN

1.96

4.90

9.80

24.5

49.0

98.0

147

193

294

490

735

980

Lead screw outer diameter mm

12

16

20

26

40

50

55

65

85

120

130

150

Lead screw root diameter mm

8.8

10.8

14.8

19.7

30.5

38.4

43.4

49.3

67

102

112

127

Lead screw pitch mm

2

4

4

5

8

10

10

12

16

16

16

20


Reduction ratio

H speed

5

5

5

6

6

8

8

8

103

103

103

12

L speed

20

20

20

24

24

24

24

24

32

32

32

36


Comprehensive efficiency %

H speed

26

26

21

21

22

22

20

20

19

15

13

13

L speed

15

15

12

12

14

15

14

13

11

10

8

8

Allowable input

Maximum power (kw)

H speed

0.16

0.39

0.49

1.0

2.0

2.8

3.1

5.0

8.4

13.4

14.4

21.4

L speed

0.08

0.18

0.36

0.46

0.63

1.4

2.2

3.2

4.6

5.7

7.2

9.4

No-load torque (kw)

0.11

0.11

0.29

0.62

1.4

2.0

2.6

3.9

9.8

19.6

29.4

39.2

Allowable input shaft torque (N·m)*

9.8

9.8

19.6

49.0

153.9

292.0

292.0

292.0

735.0

1372.0

1764.0

2450.0

Required input shaft torque at maximum load (N·m)**

H speed

0.83

2.5

6.2

16.1

48.7

90.7

149.0

238.1

400.1

856.0

1380.5

2040.9

L speed

0.42

1.1

2.9

7.4

20.0

45.3

72.3

124.0

244.0

453.0

761.3

1278.3

Input shaft does not rotate one turn lead screw  (active nut) axial displacement

H speed

0.60

0.8

0.80

0.83

1.33

1.25

1.25

1.50

1.50

1.50

1.50

1.67

L speed

0.15

0.20

0.20

0.21

0.33

0.42

0.42

0.50

0.50

0.50

0.50

0.56

Maximum load allowable input shaft rotation speed

H speed

1800

1500

750

600

400

300

200

200

200

150

100

100

L speed

1800

1500

1200

600

300

300

290

250

180

120

90

70

Maximum load lead screw rotation torque(N ·m)

2.6

8.6

20.1

65.1

201.5

503.6

813.2

1287.7

2531.9

5551.3

8921.8

13878.3

The value of the no-load idling torque.


JWB (ordinary ball screw) basic parameters list


Lift model number

JWB010

JWB025

JWB050

JWB100

JWB150

JWB200★

JWB300★

JWB500★

Maximum static load(KN)

9.8

24.5

49

98

147

196

294

490

Maximum dynamic load(KN)


——

48


60

60

71

67

114

73

129

143

Lead screw outer diameter(mm)

20

25

32

40☆

50

50

50☆

63

63

80

80

100

Lead screw pitch(mm)

5

10

10

10☆

10

10

20☆

10

20

10

20

20

Lift speed ratio

H speed

5

6

6

8

8

8

10.67

10.67

L speed

20

24

24

24

24

24

32

32

Overall efficiency(%)

H speed

61

62

64

63

63

62

56

60

L speed

34

35

39

43

43

41

34

38

Maximum allowable input power (KW)

H speed

0.54

1.3

2.2

3.6

4

5.5

8.9

13.3

L speed

0.27

0.63

1

1.9

2.1

2.8

4.1

6.5

Maximum allowable input torque (Nm)

19.6

49

153.9

292

292

292

735

1372

Maximum load required input torque (Nm)

H speed

2.8

9

21.5

39.1

77

104.5

169.6

317.5

L speed

1.4

4.3

9.6

20.4

39.6

54.2

98.5

177.9

Input shaft per revolution lead screw (live

H speed

1

1.67

1.67 1.67

1.25

1.25

2.5

1.25

2.5

0.94

1.87

1.87

Dynamic nut) axial displacement (mm)

L speed

0.25

0.42

0.42 0.42

0.42

0.42

0.83

0.42

0.83

0.31

0.625

0.625

Maximum load allowable input speed (r/min)

H speed

1500

1400

1000

890

500

300

500

300

500

400

400

L speed

1500

1400

1000

890

500

300

500

300

400

350

350

Maximum load screw return torque (Nm)

8.7

34.7

86.7

208.2

416.3

555.1

1040.9

2081.7

You need to communicate with the manufacturer's technical department before ordering

JWB300/JWB500 are for reference only and can be customized

◎When the maximum axial load applied to the ball screw is Fmax, select the rated dynamic load Cao>Caom=fsFmax fs is generally 1.2-2C when there is impact vibration 1.5-3C


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