T2 Copper Silver Plating High Precision Machined Parts For High Voltage

T2 Copper silver plating high precision machined parts for High voltage.

Description

This product has precision, and it is made by machining technology. The equipment also adopts machining equipment with high precision.

Silver Plate process
1. Degreasing
1. High temperature degreasing: normal temperature degreasing agent 5% + sodium hydroxide 5% / L, temperature 80 ℃ - 100 ℃.
2. Barrel deoiling: normal temperature deoiling agent 5% + sodium hydroxide 5% / 1 Temperature.
3. Electrolytic deoiling: electrolytic deoiling powder 5%, current density 2-5A / DM2, temperature 60 ℃ - 70 ℃.

2. Polishing
The purpose of general etching and bright etching is to remove the oxide layer on the surface of parts and the surface stains after oil removal. Ingredients: nitric acid, hydrochloric acid, water (20 ℃ - 40 ℃). 2. The purpose of bright etching is to make the surface of parts bright and fine. Ingredients: sulfuric acid, hydrochloric acid, sodium nitrate, water, brightener (20 ℃ - 35 ℃).

3. Passivation
Purpose: To remove the residue on the surface of parts after polishing.

4. Acid activated
To remove the passive film, increase the surface activity of the parts and the adhesion of the coating composition: hydrochloric acid, water or sulfuric acid, water time: 3min-5min.

5. The purpose of pre silver plating
To make the surface of parts generate copper and silver complexes, increase the adhesion between parts and coating, and increase the anti discoloration ability. Ingredients: silver cyanide (1g1), potassium cyanide (70g), pure water, current density: 0.3-0.5a/d.

6. Silver protection purpose
To form a very thin protective film of silver complex with the coating to improve the anti discoloration and anti-oxidation ability of the coating. Ingredients: Silver protector (1096), temperature (60 ℃± 5 ℃) and time: 1min.

7. Purpose of water washing
To prevent solvent pollution between processes.

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About us

Jiaxing Dexun Co., Ltd. was established in 1997, origin from Taiwan, we are professional manufacturer and exporter integrated with design, research & development, manufacturing and sales of OEM/ODM stamping parts,deep drawing parts, standard welding fasteners and non-standard welding fasteners.

* Located in jiaxing city, only about 1 hour's drive from Shanghai, Hangzhou, Ningbo, Suzhou, these important cities, the transportation is very convenient.

* 2 mature mould development workshops with advanced equipment to develop mould for customers.

* 2 International approvals,Verify & certificate in accordance with ISO9001,IATF16949, work with SGS, operate the PPAP Level 3.

* 2 labs of quality inspection,Control products quality strictly; equipped with various quality testing machines including direct-reading spectrometers, tensile testing machines, CMM machine, X-ray flaw detection instrument.

* 2 quenching and tempering heat treatment lines.

* 2 automatic welding lines.

* 4 Powder coating & Painting lines, Plating lines

* 42 people professional R&D team : 30 special technicians and 12 senior engineers.

* 20 years’experience on manufacturering OEM/ODM products

* 100 sets of automatic production machines: Have 10 sets of automatic stamping & deep drawing equipments, 50 cold forming machines; 40 tooth grinding machines ,equipped with Japan, Germany,etc imported machines.

* 175 employees

* 10 millions monthly production capacity

* 35 countries exported to

* Supplying products to GM,John deere,Wal-Mart，etc

* Implement environment protection concept; strictly operate the facilities and processes under environmental requirements.

We use advanced equipment to improve cost and quality at the same time to make sure lowest price and best quality for customers. We have quality control experts & engineers to test every piece product before shipment. We keep on studying to provide professional service.

Our Mission & Vision

We always work hard to be an environment protection model enterprise. We strive for sustainable development. We hope to be a win-win partner of our customers all over the world.

Environment protection mission:

A full series of environment policies are applied to our every manufacturing activities. Firstly, to propagandize environment protection policy to make sure environment-friendly concept is everywhere in our company.
Every new staff will have environment protection training class. All staffs have environment protection knowledge and policy lecture every month. All the operation manual will marked out environment protection requirements.
Secondly, to establish environment protection responsibility policy.
Thirdly, to have basic environment protection management.
Step 1: Have environment monitor every time.
Step 2: Manage the pollutant treatment equipment efficiently.
Step 3: Establish permit system of pollutant discharge.
Step 4: Establish legal audit system.
Fourthly, to build up emergency rescue system.