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POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth

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POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth

ประเทศจีน POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth ผู้ผลิต
POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth ผู้ผลิต POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth ผู้ผลิต POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth ผู้ผลิต POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth ผู้ผลิต

ภาพใหญ่ :  POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth

รายละเอียดสินค้า:

Place of Origin: China
ชื่อแบรนด์: VDL
ได้รับการรับรอง: ISO
Model Number: PG2505

การชำระเงิน:

Minimum Order Quantity: Negotiation
ราคา: Negotiation
Packaging Details: 10000 pcs each carton in bulk with dimension 20 X 22 X 25 cm , 500 cartons to a 20 ft container
Delivery Time: 30 days
Payment Terms: L/C, T/T, Western Union , Paypal
Supply Ability: 500 , 000 pcs per month
ติดต่อ
รายละเอียดสินค้า
Material: POM Fire Resistance: UL 94V-2
Modulus: 0.5 Teeth Number: 48
Pressure Angle: 20° Reference Circle: 24
OD: 25 ID: 22.75
แสงสูง:

small plastic gears

,

custom plastic gears

 

POM High Precision Gears , 25mm Duplicate Gears for Toy Car Derailleur Straight Teeth

 

 

Duplicate gears are made up of a smaller gear and a bigger gear , both gears are same on modulus but different on number of teeth . speed can be adjusted as different reference circle diameters of both gears .

 

Technical Data

 

Modulus

m

 0.5

Number of teeth

z

 48

Outside diameter

da

 25

Root diameter

df

 22.75

Reference circle

d

 24

Depth of tooth

h

 1.12

Tooth addendum

ha

 0.5

Tooth Dedendum

hf

 0.625

Pitch

p

 1.57

Teeth thickness

s

 0.8

Pressure angle

ɑ

 20°

Unit : mm                                              Bigger gear in duplicate gears

 

 

Modulus

m

 0.5

Number of teeth

z

 10

Outside diameter

da

 6

Root diameter

df

 3.75

Reference circle

d

5

Depth of tooth

h

 1.12

Tooth addendum

ha

 0.5

Tooth Dedendum

hf

 0.625

Pitch

p

 1.57

Teeth thickness

s

 0.8

Pressure angle

ɑ

 20°

Unit : mm                                                 Smaller gear in duplicate gears

 

 

Precsion

 

Level 9 based on ISO standard .

 

 

Material

 

Plastic duplicate gears are made from plastic POM with white color .

 

 

Application

 

Plastic duplicate gears are mainly used to derailleur that for toy car , plane etc .

 

 

Mechanical Property

 

Tensile strength MPa

62

Elongation at break %

60

Bending strength MPa

98

Modulus of elasticity for tension MPa

2830

modulus of elasticity for bending MPa

2600

Compressive strength MPa

110

Shearing strength MPa

54

Notched Impact Strength(J/m)

65

HR hardness

80

Friction

0.15

Fatigue MPa

31

 

 

Electric Performance

 

Heat distortion Temperature(1.82MPa)℃

124

Normal working temperature ℃

100

Working temperature arrange ℃

-40℃~100℃

Coefficient of linear expansion (×10K)

8.5

Heat conduction W/(m·K)

0.23

 

 

 

Features

 

Good wear resistant

Wear resistant strength still keeps 35MPa or so even item is put 10 J variable load . it is best compared to items that with PA,ABS,HPVC,PS,PC

 

Resistant impact

POM has good impact resistance but inferior to ABS and PC , Impact performance will be down 90% or so if there is breaking on or in product .

 

Self-lubricant

POM parts with F4 , C ,MoS2 ,PE and lubricant elements that improve self-lubricant performance .

 

Stability in dimensions

POM part with good tensile strength and hardness that not easy to be deformed and broken .

 

Resistant Organic solvent

POM parts are resistant for hydrocarbon ,alcohol ,ether ,aldehyde , gasoline ,lubricant and Weak Alkalis .

 

Small creep properties

Creep property rate is 2.3% or so in 20℃,21MPa,3000h . and nearly not be effected by temperature

 

Good insulation

POM items nearly not be effected by temperature and humidity on insulation . insulation is related with the thickness of items , eg when thickness is 0.127mm insulation is 82.7kV/mm,thickness is 1.88mmi insulation is 23.6kV/mm

 

Tips for use

 

POM duplicate gears are easy to be cracked and pulverized outside long-term .

 

Don’t put POM duplicate gears under temperature over 100℃

 

Don’t put POM duplicate gears under circumstance with alkali and oxidant .

 

 

 

More plastic gears we manufactured

 

We provide more plastic gears except duplicate gears , eg , spur gears ,bevel gears ,plastic gears for reducer ,worm gears and involute gear .

 

รายละเอียดการติดต่อ
VEDALI HARDWARE CO., LTD

ผู้ติดต่อ: MR.LIN

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