Vibration Motor Vibration Motors Vibrator Motors KOTL

1. General scope

1-1 The specifications apply to the coreless cylindrical permanent magnetic micro vibration motor

DC model Z4TH2B0780772.

2. Operating conditions

Items

Specifications

Condition & Remarks

2-1

Rated voltage

3.0V DC

2-2

Rated load

Counter weight

As specified in the outline drawing.

2-3

Rotation

C.W. (clockwise)

2-4

Motor position

All positions

2-5

Operating voltage

2.5~3.3V DC

2-6

Operating conditions

-30 ~ 70�C, ordinary humidity

No condensation of moisture.

2-7

Storage conditions

-40 ~ 80�C, ordinary humidity

No condensation of moisture.

3. Measuring conditions

Items

Specifications

Condition & Remarks

3-1

Temperature

20�2�C

3-2

Humidity

(63 ~ 67%) RH

3-3

Motor position

Motor shaft horizontal

Lock the motor in a test fixture.

3-4 All data are based on the measuring conditions: Temperature, 20�C; Humidity, 65% RH. If any disagreement occurs, such test conditions are available: Temperature, 5~35�C; Humidity, 45 ~ 85% RH.

4.   Mechanical specifications

Items

Specifications

Condition & Remarks

4-1

Configuration

As specified in outline drawing

Outline drawing No: Z4TH2B0780772.

4-2

Appearance

There shall be no evidence of mechanical damage and shall not have inadequate corrosion, etc.

Visual examination: Inspection carried out on samples.

4-3

Shaft end play

0.05 ~ 0.2mm

4-4

Weight of motor

0.92�0.02g approx.

4-5

Holding strength of vibration weight

49N (5kgf)

5.    Performance and characteristics

Items

Specifications

Condition & Remarks

5-1

Rated speed

8,000�1,500rpm

At rated voltage and rated load (vibration weight).

5-2

Rated current

80mA max

5-3

Stall current

90mA max

At rated voltage.

5-4

Starting voltage

2.0V DC max

At rated load (vibration weight) any position of rotor.

5-5

Insulation resistance

1MΩ min

At DC 100V between the lead wires and motor body.

5-6

Terminal resistance

40Ω approx.

At 20�C.

5-7

Mechanical noise

50db (A) max

Measured at rated voltage and rated load (vibration weight).

Background noise: 28db (A) max. @ 10cm.

Measuring instruments: B & K.

The weight of jig: 700g.

6.   Reliability Test

Items

Standard test conditions

Condition & Remarks

6-1

Life test

After 2 hours exposure in ordinary Motors shall be approved as specified in item 7-1.

Position

Voltage

Load

Temperature

Humidity

Life

Horizontal

Rated

Counter weight

20 �C

65 %

200,000 cycles

40 �C

9 0 %

40,000 cycles

6-2
Low temperature exposure test
Temperature:    -40�2�C

Time:                            24hrs

After the test motors shall be approved as specified in item 7-2.

6-3 High temperature exposure test
Temperature:    85�2�C

Time:                            300hrs

6-4 High humidity exposure test
Temperature:    40�2�C

Humidity:                  90% RH

Exposure time: 96hrs

Dry time:          4 hrs

No condensation of moisture

6-5

Vibration test

Displacement:   1.5mm (p-p)

Frequency:       10 to 55Hz

Period:             20 Mins log sweep    (10 ~ 55 ~ 10Hz)

Direction:          x, y, z

Time:               Every 2 hours

After the test motors shall be approved as specified in item 7-2.

6-6

Drop test

Set the motor to the approximately 75g (include the motor) weight of block drop the motor on the concrete floor.

Height:              1.5 meters

Direction:           �x, �y, �z

Times:               Every 2 hours

After the test motors shall be approved as specified in item 7-2.

6-7

Heat stock

Test cycle:        5 cycles

After the test motors shall be approved as specified in item 7-2.

7. Post environmental

Items

Requirements

7-1

Table A

1) Rated speed:                       Initial data -30% min./ +60% max.

2) Rated current:                        Initial data �30% max

3) Insulation resistance:            1MΩ min

4) Starting voltage:                    2.0V DC max

5) Wave of current:                    No blot wave.

7-2

Table B

1) Rated speed:                         Initial data -30% min./ +60% max.

2) Rated current:                       Initial data �30% max

3) Starting voltage:                   2.0V DC max

8. Matters to be paid attention to when using motor

8-1 Lay the motors carefully in transportation to avoid any damage to the motor body or its electric function because of collision.

8-2 Storage temperature: 20�10�C. Do not leave the motors in the environment of high temperature, high humidity and gas that will cause rust and corrosion. Do not store the motors for over 6 months.

8-3 Please do not lock the motor shaft when the electric power is supplied.

8-4 Please do not touch the weights when motor is rotating.


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