Power Drill Motor RS-987H,Models Motor,Fan Motor

Model No.

Main Performance 

Rated Voltage 

No Load

At Maximum Efficiency

At Stall

Speed

Current

Speed

Current

Torque

Output

Eff.

Current

Torque

V

r/min

A

r/min

A

g.cm

W

%

A

g.cm

RS-987SH-3566

24.0 CONST

4,000

0.38

3,432

1.49

795

27.13

75.49

9.05

4350

RS-987SH-4051

24.0 CONST

5,200

0.60

4,480

2.30

1015

44.85

80.99

18.08

5460

RS-987SH-25115

24.0 CONST

2,200

0.19

1,804

0.65

567

10.03

63.84

2.69

2310

RS-987SH-3755

32.0 CONST

6,300

0.50

5,441

2.85

888

47.34

51.91

16.19

5910

RS-987SH-5524

24.0 CONST

11,000

1.24

9,499

7.87

1050

97.8

51.8

50.1

7700

Basic Structure of Chengfang Motors

• 2-pole stator
• Sr ferrite permanent magnet
• 3, 5, 7, 8, 9, 12,16 slots armature
• Silicon-steel lamination with epoxy coating
• High-carbon steel shaft
• Cu-Ag alloy commutator
• Copper-graphite brushes
• Be-Cu leaf-brush commutating system
• SECD round / flat type housing
• SECD end cap / glassfiber reinforced PA6/6 end cap
• Cylinder / self-aligning Cu-Fe alloy sintered bushes
• 155^oC (class F) magnet wire

↓

↓

↓

↓

↓

Customerized Options

• Leadwires with connector / pins
• EMI suppression components
• PTC or thermostate protection
• Built-in AC/DC rectifier
• Built-in cooling fan
• Multiple output shaft
• diamond knurls, straight knurls, D-cut, stepped shaft
• Shaft-mounted gears, essentric gears, belt pulleys
• Stainless steel (SS304, SS420) shaft
• Ball bearing
• Cage-brush commutating system
• Precious metal brush / commutator
• Hall encoder
• Low-cogging torque design
• 180^oC (class H), 200^oC (class C) magnet wire
• -40^oC ~ 220^oC bearing lubricant
• Neodymium magnets