规 格 书
SUBMISSION OF SPECIFICATION
产品名称(PRODUCT NAME): 步进电机
产品型号(PRODUCT MODEL)
: 28BYJ48
客户部品号(CUSTOMER PART NUMBER)
:28BYJ48
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章(SEALED)
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FOLLOWING
ITEMS
1、电性能及参数:
1、ETECTRIC PERFORMANCE AND PROPERTIES
2、机械性能:
2、MECHANICAL PERFORMANCE AND PROPERTIES
3、环境性能:
3、ENVIRONMENTAL PERFORMANCE AND PROPERTIES
4、使用寿命试验:
4、ENDURANCE TEST
5、摩擦耐久试验:
5、FRICTION MECHANISM ENDURANCE TEST
规格书(Specification)
编制日期(ISSUE DATE): 2011.03.22
型号(MODEL)
(1)
28BYJ48
图号(DWG.No.)
28BYJ48
电性能及参数(ELECTRICAL PERFORMANCE AND PROPERTIES)
1-1
相数
4相
Number of phase
4 phase
1-2
驱动方式
1-2 相励磁单极驱动
Drive mode
1-2 phase excitation unipolar drive
1-3
步距角
5.6250/64(输出轴),减速比 1/64
Step angle (output shaft)
5.6250/64(output shaft),gear reduction ration1/64
1-4
电压
5VDC(电机端子)
Voltage
5VDC(motor energized voltage)
1-5
线圈电阻
50Ω±7%/相 25℃
Resistance per phase
50Ω±7%/phase at 25℃
1-6
最大空载牵出频率
>900pps
Max response frequency
>900pps
1-7
最大空载牵入频率
>500pps
Max starting frequency
>500pps
1-8
牵入转距
>300gf.cm / 5VDC 100pps
Pull in torque
>300gf.cm / 5VDC 100pps
1-9
绝缘电阻(Insulation resistance)
1-10
在引接线和外壳之间施加 500VDC,测得绝缘电阻大于 10MΩ。
Insulation resistance between motor leadwire and dead metal parts shall be over
10MΩ measured with 500 VDC megaohmmeter.
电气强度(Dielectric breakdown of insulation)
在引接线和外壳之间施加 50/60Hz 500VAC,时间 1 分钟,泄漏电流设置为 1mA,(或 50/60
Alternating potential is applied between motor leadwire and dead metal under the
Hz 600VAC,时间 1 秒钟,泄漏电流设置为 1mA),应无击穿或闪络。
following condition and requirement. Product shall show no abnormality.
1-11
Applied voltage
Time
Leak current
600 VAC 50/60Hz
1 second
1 mA
Or 500 VAC 50/60 Hz
1 minute
1 mA
电机绕阻温升(Temperature rise of motor bobbin coil)
电机在 5VDC 100HZ,空载运行条件下,电机温升达到稳定状态时,用电阻法测量电机
Temperature rise of motor bobbin coil shall not exceed 60 deg K when operated in
温升应不大于 60K。
no load condition at 5 VDC and 100pps (pulse per sec)until temperature rise of.
motor bobbin coil gets constant,measured by resistance method.
(2)
机械特性(MECHANICAL PERFORMANCE AND PROPERTIES)
2-1
外观(Outside view)
电机在规定使用状态下,应无影响使用的生锈,变形等缺陷。
Outside view shall be free from any damage and discoloration which may cause
failure at rated operating conditions.
规格书(Specification)
用户(USER)
林先生
型号(MODEL)
28BYJ48
2-2
2-3
2-4
2-5
2-6
2-7
2-9
Outside view,structure and size shall match the drawing.
重量(Weight)
电机重约 45 克
Product shall weight about 45 g.
输出轴摩擦力矩(Frictional torque of output shaft)
输出轴摩擦力矩为 1000-2000gf.cm.
Frictional torque shall be as follows 1000-2000gf.cm
噪音(Noise level)
电机在 5VDC/100Hz 条件下空载运行,距电机 10cm 处测得噪音值不大于 40dB(A 计权)
Noise level of motor shall be less than 40 dB energized with 5 VDC and 100 pps
in no load condition,measured 10 cm from motor.
输出轴强度(Shaft Strength)
径向强度
承载 2kgf 以上历时 10 秒。
Radial strength
抗拉强度
more than 2 kgf without failure for 10 sec.
承载 2kgf 以上历时 10 秒。
Pull out strength
抗压强度
more than 2 kgf without failure for 10 sec.
承载 2kgf 以上历时 10 秒。
Push out strength
more than 2 kgf without failure for 10 sec.
引出线抗拉强度(Leadwire pulling strength)
电机和引出线之间
承载大于 1kgf 历时 10 秒(初回,静负荷)
more than 1kgf/strand.
承载大于 1kgf 历时 10 秒(初回,静负荷)
Leadwire and connector
more than 1kgf/strand.
齿轮运行强度(Gear post strength)
30 个循环耐久试验后,齿轮应无阻滞,卡死等现象。1 个循环包括输出轴以 180º/秒的速
Gear post shall withstand without mechanical failure through 30 cycle endurance
度正反方向旋转。
test.1 cycle comprised of 1800 back and forth rotation of output shaft at speed of 1 second.
自定位转矩(Detent torque)
电机在不通电状态下自定位转矩应大于 450gf.cm
Static detent torque shall be more than
(3)
28BYJ48
电机结构及尺寸(Motor structure and size)
电机外形,结构及尺寸应符合图纸要求
Motor and leadwire
引出线和端子之间
2-8
图号(DWG.No.)
450gf.cm
measured with pulley weight method.
环境性能(ENVIRONMENTAL PERFORMANCE AND PROPERTIES)
3-1
使用条件(Operating conditions)
使用条件如下(Operating condition shall be as follows):
温度(Temperature)
-5℃~40℃
相对湿度(Relative Humidity)
35%~85%
在此条件下,电机应能满足 1-5,1-9,1-10,1-11,2-1,2-3,2-5,的要求。
3-2
Motor shall satisfy requirements in 1-5,1-9,1-10,1-11,2-1,2-2,2-3,2-5 in
operating conditions.
保存条件(Storage conditions)
保存温度-20℃~60℃或 80℃小于 48 小时
Storage temperature -20℃~60℃.or 80℃,Less than 48H
规格书 Specification
用户(USER)
林先生
型号(MODEL)
3-3
28BYJ48
图号(DWG.No).
28BYJ48
标准状态如下(Test conditions shall be as follows).
温度(Temperature)
20±2℃
相对湿度(Relative Humidity)
65±5%
电机在 5~35℃,相对湿度为 45%~85%RH 的环境中测试应能满足 1-5,1-9,1-10,2-1,2-2
3-4
These condition is applied to requirements in 1-5,1-9,1-10,2-1,2-2 and 2-3..
和 2-3 的要求。
Actual test conditions of 5℃~35℃,45%~85% applicable as far as test results
are reliable.
环境试验(Environmental test)
环境试验后电机应能满足 1-8,1-10,2-1,和 2-5,2-7 的要求。
Motor shall satisfy requirements in 1-8 ~ 1-10,2-1 and 2-5 ~ 2-7 after
environmental test.
3-4-1 耐湿试验(Humidity test)
电机在温度为 40℃,相对湿度为 90% ~ 95%的环境中置放 48 小时,然后取出在常
Motor stored in ambient condition of 40℃ 90%~95% relative humidity for
温下置放 30 分钟。
48 hours then retrieved and stored in normal ambient condition for 30 minutes.
3-4-2 耐高温试验(High temperature storage test)
电机在温度为 80℃,相对湿度为 90%~100%的环境中置放 48 小时,然后取出在常
Motor stored in ambient condition of 80℃,less than 50% relative humidity
温下置放 30 分钟。
for 48 hours then retrieved and stored in normal ambient condition for 30 minutes.
3-4-3 耐低温试验(Low temperature storage test)
电机在温度为-20℃,的环境中置放 48 小时,然后取出在常温下置放 30 分钟。
Motor stored in ambient condition of -20℃ for 48 hours then retrieved and stored in normal
ambient condition for 30 minutes.
3-4-4 热冲击试验(Thermal shock test)
5 个循环的热冲击试验. 1 个循环包括:在 60℃温度下连续置放 2 小时,然后取
5 cycles of thermal shock cycles. 1 cycle consists of successional storage
出在常温下置放 30 分钟;再在-10℃的温度下置放 2 小时,然后取出在常温下置
in 60℃ for 2 hours,storage in normal conditions,stored in -10℃ for 2
放 30 分钟 .电机测试应在电机在常温下置放 30 分钟后进行.
hours and finally in normal condition again. Measurement shall be made after storage in
normal ambient condition for 30 minutes.
3-4-5
振动试验(Vibration test)
全振幅 2 mm ,振动数 1000 c.p.m 的正弦波,在电机 X,Y ,Z 三个方向分别进行振动, 历
Motor shall withstand vibration test when subjected to a vibration of 1000
时 20 分钟 .
cpm with 2 mm full wave for 20 minutes in three directions respectively.
规格书(Specification)
用户(USER)
型号(MODEL)
林先生
28BYJ48
图号(DWG.No.)
28BYJ48
3-4-6 冲击或跌落试验(Shock or Dropping test)
电机在 X,Y,Z 三个方向分别承受 80g 的冲击力各 1 次;或电机在装箱状态下,从 75cm 高处,以
Motor shall withstand without failure when added 80G shock force 1 time,X,Y and Z direction
X,Y,Z 三个方向各跌落一次,电机应正常.
respectively,or droped 1 time in X,Y,and Z direction from height of 75 cm to the concrete
floor with motor in packaged condition.
(4)
寿命试验(ENDURANCE TEST)
0
电机在 5 VDC 50 Hz,150 gf.cm 的负荷状态下,经过 10000 小时 90 正反方向旋转,电机应能
0
Motor shall satisfy requirements in 1-8,1-9,1-10 and 2-5 after 10,000 hours of 90
能满足 1-8,1-9,1-10 和 2-5 的要求, 牵入转矩应能满足 1-8 的要求.
Back and forth continuous rotation in 150 gf.cm load,5 VDC,50 pps.Pull in torque shall
satisfy 1-8.
(5)
摩擦机构耐久试验(FRICTION MECHANISM ENDURANCE TEST)
0
电机输出轴在经过 1000 次耐久循环试验后,摩擦力矩在 800-2500gf.cm ,1 个循环包括 180 正
Frictional torque of output shaft shall be from 800gf.cm to 2500gf.cm after 1000 cycles
反两个方向旋转(1 个循环约 1.5 秒)
0
endurance test. 1 cycles consists of 180 back and forth rotation of output shaft and clutch
mechanism must be slipped through this test.