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Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance

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Good quality Stainless Steel Metal Screws for sales
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Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance

China Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance supplier
Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance supplier Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance supplier Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance supplier Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance supplier

Large Image :  Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance

Product Details:

Place of Origin: China
Brand Name: VDL
Certification: ISO
Model Number: PG1630

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 5000 pcs in bulk each carton with 20 X 22 X25 cm , 500 cartons for a 20 ft container
Delivery Time: 30 days
Payment Terms: L/C, T/T, Western Union , Paypal
Supply Ability: 300 , 000 pcs per month
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Detailed Product Description
Material: ABS Modulus: 0.5
Teeth Number: 30 Reference Circle: 15
OD: 16 Gear Style: Dual
Pressure Angle: 20° Fire Resistance: UL94V-2

 

Special Small Plastic Dual Gear 16mm For Derailleur Corrosion Resistance

 

 

Plastic dual gears with special design for derailleur , a pin socket hole in the centre of small gear , four supporting beams are placed between pin hole and small gear .

 

Dual gears with a double different reference circles gears so that meet different speed requests under same power feeding , both gears have a same modulus .

 

 

Material

 

Duplex gears are made from plastic ABS

 

 

Technical Data

 

Modulus m  0.5
Number of teeth z 30
Outside diameter da  16
Root diameter df  13.75
Reference circle d  15
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  16
Outside diameter da  9
Root diameter df  6.75
Reference circle d 8
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 duplicate gears are mainly used to derailleur that for toy car , plane etc .

 

 

Thermal Performance

 

Specific volume resistance Ω·cm 15
Thermal conductivity BTU-in/hr-ft2-°F 1.1
Distortion temperature ( 1.8 Mpa ) -°F 195
Normal working temperature ℃ -40~100
Brittle temperature ℃ -60℃
Melting temperature ℃ 217~237
Pyrogenic decomposition temperature ℃ 250
Dielectric constant 2.7~3.2

 

 

Mechanical Property

 

Tensile strength Mpa 61
Elongation at break % 10~15
Bending strength MPa 79
Modulus of elasticity MPa 2000
Modulus of bending KSI 300
Notched Impact Strength(kg/cm2) 18
HR hardness 116
Modulus of elasticity for tension MPa ( 23℃) 2300

 

 

Physical Performance

 

Density ( g/cm3) 1.1
Water absorption % (23°C, 24 hr) 0.3
Shrinkage % 0.5

 

 

 

Features

 

Perfect insulation

ABS dual gears are operated in the most surroundings conditions and are effected by temperature , moisture and use frequency .

 

Corrosion resistance

ABS dual gears are operated in the most surroundings conditions and are effected by temperature , moisture and use frequency .

s are available for water ,mineral salt ,alkali and acid .

 

Water proof

Water absorption is below 1%

 

Fire resistance

Fire resistance level is UL94V-2

 

Stable chemical performance

 

Heat proof

Melting temperature is 217~237℃

 

Resistance to wear

 

Oils proof

 

Wide temperature

ABS dual gears are operated in the most surroundings conditions and are effected by temperature , moisture and use frequency .

can be worked in -40~100℃

 

 

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 .

Contact Details
VEDALI HARDWARE CO., LTD

Contact Person: MR.LIN

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