How To Make An Automotive Stamping Parts?

author: YITECH

2024-10-14

Metal stamping presses are powerful machines used to shape and form metal sheets into various products. These machines use pressure and force to shape metal parts, and are commonly used in the automotive, aerospace, and electronics industries.

How To Make An Automotive Stamping Parts? Here the article will introduce it for you!

Step1: Tooling Design

The first step in mold manufacturing is the design of sheet metal stamping. During the design phase, both product and mold factors must be considered. Product include considerations such as bending radius, grooves, holes, material requirements, tolerances, wall thickness, dimensions, etc. At the same time, mold factors must also be taken into account, including:

1. Geometric shape and dimensional requirements of the stamped parts

2. Selection and thickness requirements of mold materials

3. Stamping process parameters, such as pressure, speed, frequency, etc.

4. Mold structure design, including mold base, upper and lower plates, guide columns, springs, etc.
5. Position, quantity, size, and shape of punches.

Step2: Tool Steel And Die Set Machining

Once the initial mold design is confirmed, the manufacturer will strictly follow the design drawings and technical requirements to process the tool steel and die set. Generally, the mold material needs to undergo rough machining on machines such as lathes, milling machines, and grinders, as well as precise measurement and calibration, to ensure that the dimensions, flatness, precision, and other indicators of the mold steel meet the requirements.

Step3: Grinding And Heat Treating

Tool steel and mold components require grinding and heat treatment. First, the rough-machined tool steel needs to undergo further precision grinding to ensure its accuracy and quality. Then, heat treatment is performed to change the crystal structure and chemical composition of the mold steel, which improves its hardness and wear resistance.

Step4: Electrical Discharge Machining(EDM)

Electrical Discharge Machining(EDM) is a high-precision machining process. It can be used for cutting, drilling, creating grooves, slots, and complex 3D shapes. When manufacturing complex molds or high-precision, high-surface finish, and highly wear-resistant mold inserts, wire EDM is an essential production process.

Step5: Die Assembly

Mold assembly is the process of assembling various pre-machined parts into a complete set of molds. It usually includes the following parts:

a. Upper and lower mold bases
b. Punch and die plates
c. Springs and cylinders
d. Guide posts and bushings
e. Other auxiliary components, such as various gaskets, pressure blocks, and locating pins.

Mold assembly requires professional mold assemblers to operate. According to the design drawings, various parts are assembled in a specified order to ensure the accuracy and reliability of the mold.

Step6: Stamping Parts

Before entering mass production, operators need to adjust the pressure machine and mold to ensure that the mold position and pressure meet the required specifications, and ensure that the stamped parts meet the design requirements.

Step7: Finishing And Quality Inspection

Based on customer requirements, further surface treatments may include anodization, electroplating, and more. After customizing the surface treatment, the focus shifts to ensuring the highest quality standards for each automotive stamping part. Advanced metrology tools are utilized to verify dimensional accuracy, ensuring alignment with specifications.

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