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OEM Automatic blow - off and friction testing machine for testing shock absorber

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Buy cheap OEM Automatic blow - off and friction testing machine for testing shock absorber piston from wholesalers
  • Buy cheap OEM Automatic blow - off and friction testing machine for testing shock absorber piston from wholesalers
  • Buy cheap OEM Automatic blow - off and friction testing machine for testing shock absorber piston from wholesalers
  • Buy cheap OEM Automatic blow - off and friction testing machine for testing shock absorber piston from wholesalers

OEM Automatic blow - off and friction testing machine for testing shock absorber piston

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Brand Name:XIAYI
Model Number:XYJD-FM01B
Certification:ISO9001:2008
Price:NEGOTIATION
Payment Terms:L/C, T/T
Supply Ability:1 SET PER 3 MONTHS
Delivery Time:3-4 MONTHS
Company Data
Verified Supplier
Contact Person Leela
Business Type: Manufacturer Importer Exporter Seller
Officials: No.168 Tonghe East Rd, Luotuo Street, Ningbo, China
Quality: Quality Certifitation Available
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Product Details Company Profile
Product Details

OEM Automatic blow - off and friction testing machine for testing shock absorber piston


TEST PARAMETERS


- Test machine: INSTRON

- Test stroke: ± 30 mm

- Test speed: 1 mm/s

- Temperature: room temperature

- Test fixture: special made tooling

- Use a tube of 200 mm height

- Effective force on piston must be:

0N, 70N, 150N, 220N, 450N

- The side load calculated as followed:

Side load =Effective force on piston * ((A+B) / A)

- Friction coefficient calculated as followed:

Friction coefficient= Friction / (2*effective force on piston)


Purpose of this test:


to determine the friction for PTFE banded piston when adding different weights. The test is performed with a constant lateral force applied to the piston during the pressure build up over the piston. Automatically get the average friction after testing five cycles.


Test procedure:


1. Cut the tube to the correct length, avoiding any possible deformation caused by clamping the tube. See to it that the tube is burr free.


2. Clean the tube with a brush or cloth in solvent. Check the inside of the tube after cleaning: no scratches contaminants or other things may be present which can have a negative influence on the friction.


3. Impregnate the tube with the correct oil. Check if the inside surface of the tube is fully covered with an oil film.


4. Assemble the piston on the rod and torque the piston on the piston post of the rod.


5. Add spacers between collar welded on rod and the location where the side load needs to be applied. -> is not needed if a groove is made in the rod.


6. Bring the rod – piston assembly in the tube and verify if the friction level is correct and consist over the length of the tube by traveling the piston by hand over the length of the tube. This will also lead to a good oil distribution over the inner surface of the tube.


7. Assemble the tube/rod in the tooling, seeing to it that the tube is well aligned.


8. Connect the load cell to the tensile bench, use if needed for the load cell a side load compensation construction.


Test result:


Sample nr.Effective force on piston
0N70N150N220N450N
Frictioncoef.Frictioncoef.Frictioncoef.Frictioncoef.Frictioncoef.
PISTON 19.30/39.700.28463.800.21383.900.191150.300.167
PISTON 29.30/30.300.21660.500.20283.700.190154.200.171
Avg.9.30/35.000.25062.150.20783.800.190152.25

0.169


Sample nr.Effective force on piston
0N70N150N220N450N
Frictioncoef.Frictioncoef.Frictioncoef.Frictioncoef.Frictioncoef.
PISTON 14.00/27.200.19453.700.17976.800.175144.200.160
PISTON 24.00/24.600.17655.000.18381.400.185156.400.174
Avg.4.00/25.900.18554.350.18179.100.180150.300.167

Sample nr.Effective force on piston
0N70N150N220N450N
Frictioncoef.Frictioncoef.Frictioncoef.Frictioncoef.Frictioncoef.
PISTON 13.60/21.900.15650.700.16975.700.172153.300.170
PISTON 22.90/24.200.17354.500.18280.800.184155.700.173
Avg.3.25/23.050.16552.600.17578.250.178154.500.172

Competitive advantage:


1.Can check the PTFE banding result


2.Easily operation


3.Machine design according to big shock absorber factory in the world


4.Can test friction and blow-off testing in the same testing machine


5.Can get the curves after testing


Application:


All PTFE banding piston with different size rang from 20mm to 45mm


Picture show


OEM Automatic blow - off and friction testing machine for testing shock absorber piston

Company Profile

Ningbo XiaYi Electromechanical Technology Co.,Ltd.

XIAYI, founded in 2006, was set up in a beautiful city Ningbo, which is closed to Ningbo seaport and airport. XIAYI is a specialized factory that is engaged in producing auto spare parts, designing and manufacturing electromechanical & machinery parts and related automatic equipment. XIAYI has a strong R&D team with full of creative spirit. XIAYI develop new products and new equipment every year and was awarded two patents of utility model and invention patents.

 

The products include shock absorber piston, rod guider, base valve, oil seal, piston rod, bracket, spring seat, valves, guide pipe, bearing bush, copper bush, guide ring, PTFE ring and gasket, in addition XIAYI design and manufacture automatic machine such as banding machine and groove cutting machine.

 

As a manufacturer, XIAYI insists on pursuing better quality on and on. We control the quality from raw material to assure the consistency from one batch. We have carried out an integrated production system which is based on quality focus. We refer to the rigorous four aspects ( material importing control→ production line control→ QC department control→ logistic department control ) and quality control system to make sure all the products are intact before delivery.

 

As a seller, our products are exported to the whole world and sold nationally for more than 8 years. About 30% parts are exported to USA, Germany, France, Canada, Brazil, India, Malaysia etc., have set up good relationship with the customers from home and abroad. We have an intelligent marketing team who are exploring new markets, developing potential customers, solving problems and serving customers with orders well. We firmly believe that we are a competitive and friendly cooperator and our goal is for mutual benefit and long-term cooperation. XIAYI persons will always welcome customers from all over the world to visit and negotiate.

 

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