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| Customization: | Available |
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| After-sales Service: | as Per Specification |
| Warranty: | 6 Months |
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Audited Supplier Audited by an independent third-party inspection agency
The products are mainly used in construction machinery, agricultural machinery, forestry machinery,
vehicle and motorcycle, high-speed railway etc.
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Name
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Deep Drawing Parts
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Materials
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Aluminum, copper, brass, stainless steel, steel, iron, alloy, zinc etc.
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Surface Treatment
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Anodizing,Brushing,Galvanized,laser engraving, Silk printing,polishing,Powder coating,etc
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Tolerance
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+/-0.01mm, 100% QC quality inspection before delivery, can provide quality inspection form
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Testing equipment
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CMM;Tool microscope;multi-joint arm;Automatic height gauge;Manual height gauge; Roughness measurement
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Processing
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Stamping ,Sheet metal fabrication
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File Formats
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Solid Works,Pro/Engineer, AutoCAD(DXF,DWG), PDF,TIF etc.
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Our Advantages
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1.) 24 hours online service & Quickly Quote/Delivery.
2.) 100% QC quality inspection before delivery, and can provide quality inspection form.
3.) To provide production design, production and technical service, mould development and processing, etc |
* Steel
* Stainless steel
* Carbon steel
* Aluminum
* Spring steel
* Brass
Precision Manchinery
* Punch press 6.3 to 160 T
* Laser cutting machine
* Hydraulic bending machine,
* Hydraulic shearer
* Welding machine
* Milling machine
* Polishing machine
* Assembly line
High Production Speed: Once the tooling (die and punch) is set up, the process is extremely fast, making it ideal for high-volume production runs.
Material Efficiency: The process generates very little scrap compared to machining, as the part is formed, not cut away from a larger block.
Repeatability and Precision: Modern deep drawing presses offer excellent dimensional control, ensuring that thousands or millions of parts are virtually identical with tight tolerances.
Strength and Durability: The cold working of the material during the drawing process increases its tensile strength and hardness. The seamless nature of the part also eliminates weak points found in welded assemblies.
Cost-Effectiveness for Large Volumes: While the initial tooling investment can be high, the low per-unit cost makes it very economical for mass production.
Surface finishes
* Zinc/ nickel/ chrome plating
* Powder coating
* Hot galvanized
* Painting
* Dichromate plating
Other specifications
* Advanced CMM measuring and testing equipment
* Advanced CAD, CAM and CAE technology, AutoCAD, Pro-E, Solid work 2001, CAXA, UG
* In-house tooling design and manufacturing
* Customized designs and specifications are accepted
* Meet RoHS compliance
Quality control:
*We have specialized QC testers to check the quality of the products according to different customers' requirement. Usually, it's random inspection, and we also offer 100% inspection at a reasonable price if required.
*We have IQC to check the dimensions and surface of the incoming material
*We have PQC to inspect full-course during the manufacturing processing
*We have FQC to inspect all the anodizing/plating and other finishes' products from our supplier and proceed with the professional quality and appearance inspection before shipping.
Shipping way:
1) 0-100kg: express&air freight priority,
2) >100kg: sea freight priority,
3) As per customized specifications
Packing & Delivery:
1.Packing Detail: The product packed in bag, carton, wood case, pallet or as per the customer's special requirements. Besides, the custom package takes a week to prepare in advance.
2.Delivery Detail: the fast International Shipping time takes 3 ~5 working days by DHL/UPS/FedEx, slow shipping time takes 7~ 8 working days by DHL/UPS/FedEx/TNT, etc
FAQ
Q1: Are you a trading company or a factory?
A: We are a manufacturer specialized in Machining OEM parts.
Q2: Do you accept to manufacturing customized products based on our design?
A: Yes, we are a professional factory with an experienced engineering team, would like to provide the OEM
service.
Q3: How can I get the quotation?
A: We will offer you the quotation within 24 working hours after receiving your detailed information. In order
to quote you faster and more accurate, please provide us the following information together with your
inquiry:
1) CAD or 3D Drawings
2) Tolerance.
3) Material requirement
4) Surface treatment
5) Quantity (per order/per month/annual)
6) Any special demands or requirements, such as packing, labels, delivery,etc.
Q4: Will my drawings be safe after sending them to you?
A: Sure, we will keep them well and not release to others without your permission.
Q5: How long is the lead-time for sample and Bulk production?
A: Normally, the lead time for samples is around 2-4 weeks, for bulk production is around 4-8
weeks (depends on order quantity)
Q6: I have no 3D drawing, how should I start the new project?
A: You can supply us the sample or provide us the product sizes and let us know the detailed
requirements, our engineers will help you to work out the 3D drawing.
Q7: Is it possible to know how are my products going on without visiting your factory?
A: We will offer a detailed production schedule and send weekly reports with digital pictures and
videos which show the machining progress.
1. What is deep drawing?
Deep drawing is a sheet metal forming process where a flat sheet (blank) is radially drawn into a forming die by the mechanical action of a punch. The material is shaped into a hollow, three-dimensional component, often with a depth greater than its diameter. It is a cornerstone of modern mass manufacturing.
2. What are the key components of a deep drawing press?
The essential components are:
Blank Holder / Binder: Applies pressure (blank holder force) to control the flow of the material and prevent wrinkling.
Punch: The tool that pushes the blank into the die, defining the internal shape of the part.
Die: The cavity that the blank is drawn into, defining the external shape.
Blank: The flat piece of sheet metal to be formed.
3. What are the main advantages of deep drawing?
High Production Rates: Suitable for high-volume manufacturing (e.g., automotive, appliances).
Excellent Structural Integrity: Produces parts with good strength-to-weight ratios and consistent wall thickness.
Complex Geometries: Can create seamless, complex shapes (cylindrical, rectangular, multi-curved) in one or several steps.
Good Surface Finish: Utilizes the existing finish of the sheet metal, often requiring no further finishing.
Material Efficiency: Minimal scrap compared to machining processes.
4. What materials can be deep drawn?
A wide variety of ductile metals, including:
Steels: Low-carbon steel (mild steel), stainless steel.
Aluminum Alloys: Popular for lightweight applications.
Copper and Brass: For electrical components and decorative parts.
Nickel Alloys & Titanium: For specialized, high-performance applications (more challenging).
5. What is the difference between "drawing" and "deep drawing"?
Drawing (Shallow Drawing): The depth of the formed part is less than its diameter. It's often a single-stage process.
Deep Drawing: The depth exceeds the diameter (or minimum dimension). It typically requires multiple draws (progressive drawing) with intermediate annealing (heat treatment) to restore the material's ductility and prevent tearing.
6. What common defects occur in deep drawing, and how are they prevented?
Wrinkling (Flange or Wall): Caused by compressive stresses. Prevention: Increased blank holder pressure, using a draw bead, or adjusting lubrication.
Tearing / Necking: Caused by excessive tensile stress, thinning the material too much. Prevention: Reduce punch force, improve lubrication, use a more ductile material, or redesign die/punch radii.
Earing: Wavy edges (ears) on the top of the cup due to the anisotropic (direction-dependent) properties of the sheet metal. Prevention: Using specially processed materials or trimming the final part.
Surface Scratching: Caused by friction between the metal and the tools. Prevention: Application of appropriate drawing lubricants and maintaining a smooth tool surface.
7. What is a "draw bead" and why is it used?
A draw bead is a raised ridge in the blank holder or a matching groove in the die. It introduces controlled restraining force on the blank, regulating material flow into the die cavity. This is crucial for preventing wrinkles in complex, non-symmetrical parts (like automotive panels) without requiring excessively high and damaging blank holder pressure.
8. What industries use deep drawing?
Automotive: Fuel tanks, engine oil pans, transmission cases, body panels, cylinders.
Aerospace: Small housings, hydraulic components.
Consumer Goods: Kitchen sinks, appliance housings (pots, pans), utensils, cans.
Industrial & Electronics: Motor enclosures, compressor housings, connectors, shields.
9. What is the difference between progressive dies and transfer dies in deep drawing?
Progressive Die: The sheet metal strip moves through a single press with multiple stations. At each station, a different operation (pierce, draw, trim) is performed until a finished part exits the last station.
Transfer Die: The partially formed part is mechanically transferred from one separate press (or station within a large press) to the next. This is often used for larger, deeper, or more complex parts where each draw stage requires significant individual attention and potential intermediate annealing.
10. How is deep drawing simulated today?
Finite Element Analysis (FEA) software (like AutoForm, LS-DYNA, PAM-STAMP) is now standard. It allows engineers to simulate material flow, predict defects (tearing, wrinkling), optimize blank shape, and determine forces and lubrication requirements before manufacturing any physical tooling. This drastically reduces development time and cost.
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