Air Ventilation One Way Shutter Round Back Draught Damper

Damper specification Product name: reverse torque damper,bakery beard display stand damper,damper for display stand glass lid, damper for candy box TRD-N1 series damper

Product Details
We strive for excellence in all aspects of our work and every link, never carelessly, and wholeheartedly contribute to the big lid damper, cabinet damper, shaft damper industry. Best efforts will be produced to offer you the very best service and solutions. We have rich experience in practical work, and can provide users with complete system solutions, technical consultation, high-quality products and perfect services.

Damper specification

Product name: reverse torque damper,bakery beard display stand damper,damper for display stand glass lid, damper for candy box TRD-N1 series damper
Product model: TRD-N1-FL/R103
 


TRD-N1-FLR103(4).jpg      


1.General

This specification give the related model damper technical requirement, testmethod and product model description, apply to damper production and test.


2.Test requirement and test method

item

desctiption

Technical requirment

Test method


     2.1

Damping time

Damping time:12.5±7.5s

1)Test machine:test special tools
2)method:T=1N・m(10kgf・cm) make the counterpoise position at 0゚,the reset.(once is ok)
a)pull the counterpoise to120゚position, measure the working angle from 100 to 20 degree
b)load torque in horizontal line:1N・m(10kgf・cm)
c)test angle:100゚→ 20゚
test temperarure:23℃±2℃

2.2

durability

1)working angle more than 3 seconds 
2)no oil leakage, no broken

1)durability test condition
a)test machine: test special tools(drop free)
b)test method:force close open angle to close angle 100゚±10゚。
c)force close:pneumatic pressure 30~50PSI
d)working angle:0゚←→110゚
e)frequency 10 time/minutes
f)test temperature:23℃±2℃
g)durability time:50,000cycles
2)judging criteria after test
a)working angle:after test, put damper at room temperature 23℃±2℃ more than 24 hours,test it according to item 2.1 and get the damping time
b)appearance:judge the appearance

2.3

Working temperature range

1)-5℃:15 ± 9s
2)50℃:6 ± 4s

1)working temperature test condition
a)damper place temperature:-5℃,50℃
b)damper place time:>3 hours
2)judging criteria after test
place the damper in each temperature, and then put in room temperature, test it according to item 2.1

2.4

Storage temperature

1)damping time change rate in preliminary stage within±30%
2)no oil leakage, no broken

1)storage temperature test condition
a)damper storage temperature:-20℃,60℃
b)damper storage time:72hours
2)judging criteria after test
a)damping time, place the damper in each temperature and then put in room temperature, test the damping time according to item 2.1
Appearance: judge the damper appearance. 



2.5

Reverse torque

<0.6N・m(6kgf・cm)

1)rotate speed:1rpm
2)test angle:110°
3)method:make the damper rotor rotate to oppsitive direction. Test its torque.

2.6

Maximum working angle

120°

Guarantee item 2.2 durability working angle range

2.7

size

See drawing

 

2.8

weight

10g±1g

 

2.9

rotation

White cover left, black cover right

 

3.Model description
Model:TRD-N18-FL/R103
TRD ——Toyou Rotary Damper
N18——kind;
FL103/FR103 ——model;
Batch number
Production batch number:303
2D59
303——damper torque is 4N·m(40kgf·cm);
2 ——year,1 is 2011,2 is 2012……,ect;
D——month,A is January、B is February……,ect;
59——batch number,01 is batch 1,02 is batch 2……,ect. If more than 100 A is 100,B is 110……,ect. For example 135, it is D5.


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