OEM Non-Standard Mechanical Parts Manufacturing

Product Details
Customization: Available
After-sales Service: Yes
Warranty: 1 Year
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Number of Employees
102
Year of Establishment
1999-05-27
  • OEM Non-Standard Mechanical Parts Manufacturing
  • OEM Non-Standard Mechanical Parts Manufacturing
  • OEM Non-Standard Mechanical Parts Manufacturing
  • OEM Non-Standard Mechanical Parts Manufacturing
  • OEM Non-Standard Mechanical Parts Manufacturing
  • OEM Non-Standard Mechanical Parts Manufacturing
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  • Overview
  • FAQ
  • Company Profile
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  • Certifications
Overview

Basic Info.

Model NO.
DF2202081
Certification
CE, RoHS, ISO9001
Standard
DIN, ASTM, GOST, GB, JIS, ANSI, BS
Customized
Customized
Material
Stainless Steel
Application
Metal Processing Machinery Parts, Metal forging Machinery
Metal Type
Iron, Stainless Steel, Carbon Steel
Welding
Yes
Coating
Eco Friendly
Certificate
ISO9001, SGS, RoHS, CE,
Production Lead Time
15-20 Working Days
Inspection
Random Sample Testing
Service
OEM/ODM
Transport Package
Carton and Wooden Canses
Specification
customized as per the drawing
Trademark
OEM
Origin
China
HS Code
73269090
Production Capacity
20000

Product Description

 

OEM non-standard mechanical parts manufacturing

#1 ATTN: Read This Before Buying

A. Due to the internet and computer display solutions. The actual products may differ from
the pictures. Please contact our salesmen for further assistance.
B. All the extension springs, compression springs, torsion springs, wire forms can be made in customized demands.
C. We appreciate Drawing-Guide Production, Please send us a spring drawing as possible as you can when you inquiry.
D. We appreciate your inquiries and you are welcome all the time!

For a better understanding of your demand, please learn the basics of torsion spring manufacturing.

#2 Working Drawing of a torsion spring
OEM Non-Standard Mechanical Parts Manufacturing

#3 Different Shapes of Helical Torsion Springs
There are generally two common types of torsion springs: single and double coil torsion springs. Double torsion springs are two single torsion springs connected. They work together to double the torque that a single spring would produce.

OEM Non-Standard Mechanical Parts Manufacturing


#4 Available Coating Method
Due to the government's environment policy, all the coating materials are prior to RoHS standards. Please take RoHS standard coating as possible as you can. Below is a table for reference, you can simply learn the cost of each coating method.
Coating Method Cost Does it Meet the RoHS requirement? Remark
Unplated None Yes  
Anti Rust Oil Lowest Yes  
Black Oxide/Oxide Lower Yes  
Normal Zinc coating normal No  
Trivalent Zinc coating High Yes Normally 8~10μ thickness, 48 hours without white rust
Nickel Plated normal Yes  
Electrophoresis Higher Yes  
Painting Very High Yes require a longer delivery time
Stainless steel Washing normal Yes  
Stainless Steel Electro-polish Highest Yes This coating cost more than the others

 
FAQ
DOFO Spring provides a win-win service. Below we list answers to some of the questions our customers frequently asked. For anything unsure, please contact us, and we will respond within 12 hours.

Q: Which kind of materials are available? Do they meet RoHS certification?
A: DoFo Spring is able to manufacture different spring types of compression springs, extension springs, torsion springs, wire forms with a large range of High-Grade Spring Steel - Carbon steel - Stainless steel - Music Wire, all comply to the RoHS standard. The wire diameter is available from 0.001 inches to 0.075 inches, which can meet the requirement of different applications.

Q: Do you support orders in small quantities or do you only accept large runs?
A: DoFo Spring manufactures large quantity springs, small quantity springs based on your demand. We will work with you to choose the most effective solution.

Q: Does DOFO spring offer DESIGN service OR initial ASSISTANCE ON SPRINGS?
A: Our engineers could give initial assistance on the design and advise to lower the production cost. Our engineer has years of experience in spring design. We could provide drawing format in CAD, 3D, and 2D design layout as well as prototype development.

Q: What is the typical lead time for custom springs?
A: The lead time varies in custom springs. For compression springs, extension springs, torsion springs, wire forms in our mold range, we are able to deliver within 25 days. However, for some complex shapes of springs, the delivery time would be around 30~40 days.

Q: Do you charge custom spring samples?
A: We make the custom springs sample charge as a subscription of formal order. In other words, the sample charge could be refunded when we receive the order. However, if your sample requires an additional mold, we will charge it.

Q: If we order large quantity springs, will you house the springs, wire forms, and ship to us based on a required basis?
A: Our warehouse provides specific stock services for long-term business. You can make your shipment schedule on an annual, monthly basis. We will ship on a specific schedule.

Q: What payment term do we accept for spring orders?
A: We could accept payment terms based on T/T, L/C at sight, DP, Westunion.
 
Company Profile


OEM Non-Standard Mechanical Parts Manufacturing

OEM Non-Standard Mechanical Parts ManufacturingOEM Non-Standard Mechanical Parts Manufacturing

Our Advantages

OEM Non-Standard Mechanical Parts ManufacturingOEM Non-Standard Mechanical Parts Manufacturing

OEM Non-Standard Mechanical Parts Manufacturing
Certifications

OEM Non-Standard Mechanical Parts Manufacturing


If any questions, please contact us directly.
OEM Non-Standard Mechanical Parts Manufacturing



 

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