Spiral Compression Nozzle Return Spring for Injection Molding
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Product Highlights
- Customizable Dimensions: Wire range from 0.1mm to 12mm with custom winding directions and end types.
- RoHS Compliant Materials: High-grade spring steel materials comply with European RoHS certification standards.
- Design Assistance: Engineers provide CAD, 3D, and 2D design support to optimize production costs.
- Sample Charge Refund: Custom sample charges are refunded upon placement of a formal order.
- Flexible MOQ Options: Supports both small quantity and large run orders based on customer demand.
- Fast Lead Time: Standard custom springs delivered within 25 days; complex shapes in 30-40 days.
- Durable Construction: Made of high-quality spring steel with special design for enhanced durability.
- Multiple Coating Options: Offers various coatings like Trivalent Zinc, Nickel Plated, and Stainless Steel.
Product Attributes
- Customization
- Available
- Function
- Pressed, Buffer
- Material
- Steel
- Model NO.
- DF2012245
- Usage
- Industrial, Auto, Motorcycle, Home Appliance
- Load Type
- Compression
- Production Process
- Cold Roll
- Shape
- Coil
- Product Name
- Nozzle Springs
- Business Mode
- Factory OEM
- Material Standard
- GB 4357-09 or Equivalent
- Wire Range
- From Min 0.1mm(0.004inch) to Max 12mm(0.48inch)
- Winding Direction
- as Per Your Request
- End Type
- Close and Ground Flat
- Surface Treatment
- Trivalent Zinc Coated
- Coating Thickness
- 8~10 Micrometer
- Testing Method
- Random Sample Inspection
- Tolerance
- GB Standard, Grade II or as Per Your Requirement
- Spring Rate Tolerance
- +-3%~10%
- Aql Level
- Aql 1.0
- Packing Method
- OPP Bags with Blank Carton
- Normal Carton Size
- 23X23X31/Cm with No Mark
- Certificate
- ISO9001, SGS, RoHS, CE, Ts16949
- Transport Package
- Carton and Outer Wooden Case
- Specification
- customized
- Trademark
- DOFO
- Origin
- Wenzhou, China
- HS Code
- 7320909000
- Production Capacity
- 1, 000, 000 Pieces Per Month
Product Images of Spiral Compression Nozzle Return Spring for Injection Molding
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Spiral Compression Nozzle Return Spring for Injection Molding -
Spiral Compression Nozzle Return Spring for Injection Molding -
Spiral Compression Nozzle Return Spring for Injection Molding -
Spiral Compression Nozzle Return Spring for Injection Molding -
Spiral Compression Nozzle Return Spring for Injection Molding -
Spiral Compression Nozzle Return Spring for Injection Molding -
Spiral Compression Nozzle Return Spring for Injection Molding
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Product Description
Spiral compression Nozzle return Spring for injection molding
It made of high-quality spring steel. Its special design is able to supply additional tension during cycling and enhance durability. It can make sure the nozzle movement stable and workable.
#1 ATTN: Read This Before BuyingA. 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 compression spring manufacturing.
#2 Working Drawing of a Compression spring
#3 Different End Types of Helical Compression springs
There are basically four types of ends, closed & ground, closed & not ground ends, open & ground ends, and open & not ground ends. Below is a diagram for illustration.
#4 Different Shapes and Applications of Helical Compression Spring
Compression springs are helical or spiral-like-springs. They demonstrate an open-coiled design and react to axis forces to store and return energy. Manufacturers build compression springs into a variety of products, such as Automobile suspensions, Couches, Mattresses, Vending machines, Medical devices, Pacemakers, Pens, Hydraulic, Medical, Lawn equipment, Firearms, Marine industry, Underwater oil rig piping, Watches
Different products require different shapes to meet their demand. The below diagram covers the common shapes of compression springs, such as conical spring, barrel spring, variable pitch spring, straight coil spring(cylinder spring) which are the most common springs, etc.
#5 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.
| 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 |
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. All the spring materials meet European RoHS certification.
Q: Do you support orders in small quantity 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 OR initial ASSISTANCE ON SPRINGS?
A: Our engineers could help with the design with the drawing 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 service 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.
If any question, please contact us directly.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR253661". Items marked "
" are certified.
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Company Profile
DOFO Spring Story
Our story began in 1998. Back then we are a small business ower of switch springs with a single production line in Liushi market of Yueqing. Mainly supply coal mining machine spring and switch springs.
As we stick to strict quality policy, our product had got a good reputation among the customers. Three years later, we was lucky to be in the supply chain of Chint Group.
Business Development
As the business going, we applied DOFO brand in 2005 and moved to Yueqing Economic Development Industrial Area. Because being part of large supply chain requires better management in the company.
The comapny builds a mature structure in management, design, production, testing and packing. For better competition worldwide, we acquire certification of ISO9001, TS16949, ISO140001, OHSAS18001, BV certification.
After 20s years development, our product range expand a lot. We manufacture all kinds of coil springs for various area, such as automotive parts, micro MCB, electrical cabinet, appliance, oil equipment, industrial machines, etc. The company is authorized Yueqing Famous Brand and green supplier of chint every year. DOFO Spring has been the top supplier in spring manufacturing for electrical apparatus.
Manufacturing Capacity
The company has 106 full time staff. Plant area is over 7000 square meters. The company has more than 200 pieces CNC coiling machines for different product line. Production capacity can reach 1 million pieces a month under full power. We can manufacture compression spring, extension spring, torsion spring, wire forms, disc spring, etc. Our technicians have over 15 years experience in spring manufacturing. They are sophisticated in different kinds of spring prototype. You can take a view at our company gallery to learn more.
Company Vision
Today we are privilleged to connect with thousands of customers everyday with precision coil springs in good reputation. Some of them are international company, such as Panasonic, Messey Ferguson, etc. DOFO strive for "world class green supplier", we welcome challenges and are relentless till we deliver solutions.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 11 Jing Five Road, Yueqing Economic Development Area, Yueqing, Wenzhou, Zhejiang, China
-
Plant Area
- 7013 square meters
-
Number of Employees
- 97
-
Registered Capital
- 15,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- CIF, FOB, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Ningbo Port
-
Minimum Order Quantity
- 5000 Pcs
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Compression Spring, Extension Spring, Automotive Parts Spring, Torsion Spring, Stainless Steel Spring, Trampoline Spring, Alloy Steel Spring, Switch Spring, Mining Machine Spring, Disc Spring
-
Production Lines
- 7
-
Production Machines
- Spring manufacturing machine, Punching machine, Grinding machine, Heat treatment equipment
-
QA/QC inspectors
- 8 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1999-05-27
-
Export Year
- 26 Years
-
Main Markets
- Southeast Asia/ Mideast, Australia
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 1
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Which materials are available and do they meet RoHS certification?
- DoFo Spring manufactures springs using high-grade spring steel, carbon steel, stainless steel, and music wire, all complying with European RoHS standards.
- Do you support small quantity orders or only large runs?
- We manufacture both large quantity and small quantity springs based on your specific demand, working with you to choose the most effective solution.
- Does DOFO spring offer design or initial assistance on springs?
- Our engineers help with design using drawings, advise on lowering production costs, and provide CAD, 3D, and 2D design layouts as well as prototype development.
- What is the typical lead time for custom springs?
- Standard custom springs are delivered within 25 days, while complex shapes require around 30 to 40 days.
- Do you charge for custom spring samples?
- Sample charges are refunded when a formal order is received. Additional molds for samples will incur extra charges.
- If we order large quantities, will you house and ship based on a schedule?
- Our warehouse provides stock services for long-term business, allowing you to schedule shipments annually or monthly on a specific basis.
- What payment terms do you accept for spring orders?
- We accept T/T, L/C at sight, DP, Westunion, PayPal, and small-amount payments.
Send your message to this supplier
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