Silver Ra0.4 0.003mm Sheet Metal Forming Parts

custom cut forming machining metal stainless steel aluminum fabrication stamping sheet metal parts

The choice of metal stamping materials used depends on the desired attributes of the finished piece. Stamping is not limited as a fabrication process to just metals - there are numerous metal stamping materials that can be processed through stamping techniques, such as paper, leather, or rubber, but metals are by far the most commonly used.

In general, metals tend to maintain their malleability and ductility after stamping. Those used in precision stamping usually range from soft to medium hardness and carry a low coefficient of flow. Some of the customary metals and metal types fabricated through stamping include:

• Precious metals, such as silver, gold, and platinum
• Ferrous metals, especially iron-based alloys like stainless steel
• Non-ferrous metals, such as bronze, brass, and zinc
• Non-standard alloys, such as beryllium nickel and beryllium copper

Ferrous metals are commonly used in stamping operations, as their low carbon content means they are among the least expensive options available resulting in low unit production costs.

Several important factors and design considerations need to be addressed when performing metal stamping operations.

Our company has strong R&D capability and develops many new products every year. In production, we strictly follow the ISO 9001 quality system to control quality and arrange production:

1. Don’t accept defective, strict inspection of supplier's raw materials.

2. Don’t manufacture defective, the production process is strictly controlled. For all products, the workers are strictly self-inspected on each machining process, and the quality inspectors do a regular inspection and spot inspection.

3. Don’t transferring defective, the defective products found in the previous process shall never be allowed to be transferred to the next process. Before shipment, the finished products shall be inspected again, and if any quality problems are found, and the products shall be reworked or rejected according to the relevant requirement.

Four-Slide Stamping

Four-slide stamping is also called multi-slide or four-way stamping. This technique is best-suited for crafting complex components that have numerous bends or twists. It uses four sliding tools, instead of one vertical slide, to shape the workpiece through multiple deformations. Two slides, or rams, strike the workpiece horizontally to shape it, and no dies are used. Multi-slide stamping can also have more than four moving slides.

Four-slide stamping is a very versatile type of stamping, as different tools can be attached to each slide. It also has a relatively low cost, and production is fast.

Fine Blanking

Fine blanking, also known as fine-edge blanking, is valuable for providing high accuracy and smooth edges. Usually done on a hydraulic or mechanical press, or by a combination of the two, fine blanking operations consist of three distinct movements:

1. Clamping of the workpiece or work material in place
2. Performance of the blanking operation
3. Ejection of the finished part

Fine blanking presses operate at higher pressures than those used in conventional stamping operations, hence tools and machinery need to be designed with these higher operating pressures in mind.

The edges that are produced from fine blanking avoid fractures as produced with conventional tooling and surface flatness can exceed that available from other stamping methods. Since it is a cold extrusion technique, fine blanking is a single-step process, reducing the overall costs of fabrication