Hydraulic Pile Driver Attachment for Excavator

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 updated and perfected the product structure of 360 degree rotate big damper, barrel damper, handle damper in order to comply with market changes and ever-increasing requirements of customers. We always practice the corporate philosophy of integrity management, innovative development, and service to the society striving to become an internationally competitive brand enterprise. Our company has established high-quality sales network and after-sales service in many provinces and regions, and used flexible market operation mechanism to make our products sell well all over the world.

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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With the concept of 'customer satisfaction is the goal', we always take customer needs as the first to professionally develop and produce various Hydraulic Pile Driver Attachment for Excavator. We are able to also deliver you with cost-free samples to meet your specifications. We rely on our own unique advantages to provide our users with products of excellent quality, reasonable price, complete variety and fast and efficient services.
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