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几种常用的传动性能比较
COMPARE SEVERAL COMMON'S POWER TRANSMISSION PROPERTY
性能
Property
同步带
synchronous belt
三角带
Vbelt
平皮带
Flat belt
链带
Chain
齿轮
Gear
同步带传动具有本性能的原因
Reason
传动确定,无滑移
Driving determined&no slip

Good

Bad

Bad

Good

Good
带齿与轮齿啮合传动,中心骨架保证节距不变,传动基本不依靠摩擦。
belt&pulley bite transmission the center backbone proof the pitch transmission do'tdepend on friction
瞬时速度均匀,同步性好
Instantaneous speed unifom&good synchronous prperty

Good

Bad

Bad

Bad

Good
速比范围
Speed ratio range

Large

Large

Medium

Large

Medium
允许线速度
Allowable linear speed

High

Medium

Medium

Low

Medium
质轻、带薄、柔韧性好、抗张强度高
light thin good snappy&high tensile energy
传动噪声
Transmission noise

Small

Small

Small

Small

Medium
传动接触为橡胶与金属
transmisson contact is rubber&metal
功率/重量比值
Power/proportion byweight

Large

Medium

Medium

Small

Medium
胶带薄而韧,传动中心距短,带轮直径小,可用塑料及轻金属
belt thin T snappy short center distance,small diameter of pulley,can use plastics T ligh-metal
传递功率
Transmission power

Medium

Medium

Medium

Medium

Large
受橡胶及中心骨架层强度的限制
siffer ribber Tcemter baclbpme's limited
效率
Efficiency
98%-99.5% 85%-95% 85%-95% 96%-98% 98%-99% 滑动摩擦损失少
can silp,little friction lose
初张紧力
Intial tension

Small

Large

Large

Small
- 不依靠摩擦传动,不需很大张紧力
do'tdepend friction,do'tneed big tension
轴承压力
Bear pressure

Small

Large

Large

Small

Small
初张紧力小
initial tension is small
突然超载及耐冲击性能
Abrupt over load&shock resistance

Medium

Good

Good

Bad

Medium
弹性体能吸收冲击
elastomer sink impulse
低速时转矩大、不需润滑
Large torque of lower speed,without lubrication

Good

Good

Good

Bad

Bad
传动接触为橡胶与金属
transmisson contact is rubber&metal
寿命
Life

Long

Long

Long

Medium

Long
耐磨损
abrasion durability
维修
Service
简便
Easy
简便
Easy
简便
Easy
尚简便
Charge
不方便
Charge
系标准件,更换方便
standant body,easy to change
防污秽和灰尘
Anti-fouling&dust

Good

Good

Good

Medium

Bad
橡胶材料特点
rubber material feature
安装误差对传动性能影响
Effect of install-ation error

Large

Medium

Small

Medium

Large
两轴平行度要求高,必要时可装张紧轮调整
tension pulley to adjust when needed high requirement of two axles parallslism can use
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