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20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth

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20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth

20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth
20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth 20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth 20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth 20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth

ภาพใหญ่ :  20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth

รายละเอียดสินค้า:

Place of Origin: China
ชื่อแบรนด์: VDL
ได้รับการรับรอง: ISO
Model Number: PG2028

การชำระเงิน:

Minimum Order Quantity: Negotiation
ราคา: Negotiation
Packaging Details: 5000 pcs in bulk each carton 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: 300 , 000 pcs per month
รายละเอียดสินค้า
Material: Nylon Property Class: PA 66
Color: White Fire Resistance: UL94V-2
Modulus: 0.5 m Teeth Number: 28 Z
Reference Circle: 14 Pressure Angle: 20°
แสงสูง:

custom plastic gears

,

lubricating plastic gears

 

20mm Wheel White Plastic Crown Gears Compact With 28 Z Straight Teeth

 

 

Plastic wheel crown gears with crown body shape , the straight teeth with bigger reference circle are placed on side surface and another side surface has a smaller gear with different reference circle , directions of both gears are contrary . the number of teeth and reference circles are different as well .

 

 

Material

 

Wheel crown gears are made from plastic nylon PA 66

 

 

Technical Data

 

Including Modulus , Number of Teeth ,Outside diameter ,Root diameter ,reference circle ,depth of tooth ,tooth addendum ,tooth dedendum ,pitch ,teeth thickness and pressure angle .

 

Modulus m  0.5
Number of teeth z 28
Outside diameter da  15
Root diameter df  12.75
Reference circle d  14
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                                                    Big gear in duplicate gears

 

 

Modulus m  0.5
Number of teeth z  8
Outside diameter da  5
Root diameter df  2.75
Reference circle d 4
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                                                      Small gear in duplicate gears

 

 

Precision

 

Level 9 based on ISO standard .

 

 

Application

 

Plastic crown gears are mainly used to derailleur and clutch for toy items , they are also used for following items as fittings with light load .

 

▲ Household appliances

▲ Official appliances

▲ Car

▲ Timing device

▲ Micro electric motor

▲ Camera

▲ Instruments and meters

 

 

Performances

 

Physical Performance
Density ( g/cm3) 1.14
Water absorption % 3
Shrinkage % 1~2
Mechanical Property
Tensile strength MPa 60~80
Elongation at break % 2.2
Bending strength MPa 100~120
Modulus of elasticity for bending MPa 2000 ~3000
Notched Impact Strength(J/m) 60~100
HR hardness 118
Electrical Performance
Dielectric constant 1.63
Arc resistance sec 130~140
Specific volume resistance Ω·cm 1.83×1015
dissipation factor 100~400
Dielectric strength(kV/mm) 20~30
Thermal Performance
Normal working temperature ℃ 80~120
Brittle temperature ℃ -30
Melting temperature ℃ 252
Pyrogenic decomposition temperature ℃ 350
Matin heatproof ℃ 50~60

 

 

Features

 

▲ Small volume

▲ Light weight

▲ Compact structure

▲ Long transmission torsion

▲ Automatic slip resistant

 

We make more plastic gears with different specifications for many fields in industry , please contact us if you are interesting in any gear , we are able to develop customized plastic gears as well .

รายละเอียดการติดต่อ
VEDALI HARDWARE CO., LTD

ผู้ติดต่อ: MR.LIN

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