Home Appliance Metal Stamping Parts in 0.4 mm A5052-H34 Aluminum
These Home Appliance Metal Stamping Parts are made from 0.4 mm A5052-H34 aluminum with four separate stamping operations.
The material is thin enough that a part can be dimensionally correct and still be damaged by the way it is lifted, laid down or stacked. On this job, we therefore watch the sample condition between operations as closely as the condition inside the die.
The photo shows the four actual process samples from the project rather than a generic stamped-part example.
Product Parameters
|
Item |
Specification |
|
Product Name |
Home Appliance Metal Stamping Parts |
|
Part Material |
A5052-H34 Aluminum |
|
Material Thickness |
0.4 mm |
|
Blank Size |
0.4T × 353W × 245P mm |
|
Process |
4 Single-Operation Stamping Stages |
|
Tooling |
4 Single-Operation Dies |
|
Output |
1 Part per Cycle |
0.4 mm Aluminum Does Not Hide Poor Handling
On a heavier steel part, a toolmaker can sometimes pick up a sample quickly without changing its condition. We are more careful with this part.
At 0.4 mm, the aluminum can pick up a shallow dent or local bend simply from being supported at the wrong point. We do not want to correct a die for a shape that was actually created after the press opened.
During tryout, the parts are therefore kept in sequence and handled in the same general way from one operation to the next. If the third sample starts to sit differently from the second one, we first look at what changed between those two stages.
We Keep the Four Samples for Comparison
The four samples are useful during tool correction because they show where a change actually begins.
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What We See |
What We Check First |
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A pressure line appears for the first time |
The corresponding die contact area at that operation |
|
The part begins to rock or twist |
The released profile before it enters the next die |
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A cut edge becomes rougher |
The cutting condition in the relevant tool |
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The stamped part is correct but later becomes bent |
Handling, temporary stacking and packing rather than the die |
This saves us from changing several tools when the problem started at only one point in the route.
Four Separate Dies, One Finished Component
The project uses four individual single-operation dies. The photo shows all four tools open together.
For us, the useful part of this arrangement is access. If one operation leaves a mark or needs a local correction, our toolmakers can work on that die without opening up an unrelated tool.
Changdong builds the dies in-house, so the stamped sample can go back to the same team that machined, assembled and tried out the tooling.
That is more practical than treating every production problem as a separate discussion between a stamping supplier and an outside die supplier.
We Do Not Force a Thin Part Flat Just to Measure It
A thin aluminum part can sit differently depending on where it is supported.
If an inspection point is affected by that flexibility, we need a repeatable support condition. Pressing the part flat by hand may produce a convenient number, but it does not tell us how the component will actually behave in the appliance assembly.
For dimensions that matter to fit, we use the datum and support condition agreed for the project. Surface condition is checked separately because a part can pass the dimensional check and still carry an unacceptable dent or scratch.
The Part Still Needs Protection After the Last Die
Once the fourth operation is complete, the tooling is no longer the main risk. The finished aluminum part can still be damaged during collection and transport.
We avoid stacking arrangements that put the weight of several components onto one narrow formed edge. If direct contact between parts can create a visible mark, the packing method needs to account for it.
For repeat Home Appliance Metal Stamping Parts orders, the approved part and the agreed handling method become the reference for the next production batch.
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