Do you know the metal dome array structure? If you are not very clear, please see here to know more:
1. Single-layer: It’s just one Mylar with snap domes.
2. Double-layer: Top layer is Mylay, 0.025mm thickness; below with Spacer with snap domes(spacer layer), 0.05mm or 0.075mm thickness;
3. third or more -layer: such as our EMI dome array, LGF dome array, there is a extra layer with EMI or LGF one the top layer.
If you need more information, please contact us, we are glad to serve you.
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How to make metal dome array? There are two ways: laser cutting and set up the mold. Today, Let’s have a look the difference between them:
Laser cutting mold
(1). Cost: no tooling fee tooling cost higher
(2). Tolerance: +/-0.20mm +/-0.15mm
(3). Capacity: 10K/day 50K/day
If your order quantity is relatively large and requirements is relatively high, we suggest you set up mold, and when your order quantity reach a certain number of the amount, it will be returned to you. If you are small in number, we suggest you use our laser cutting for production of metal dome array, as it’s very fast and convenient.
If you have any questions, please feel free to contact us.
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Generally speaking, whatever products made do have a certain tolerance.Then what’s the tolerance of the metal dome array?
According to different production methods, metal dome array tolerance is also different.
1. Laser cutting tolerances: about 0.15-0.20mm;
2. Mold making: can be controlled in 0.10mm.
If your order quantity is not so many, then I suggest you use our laser cutting to make, it can save you the cost of mold. But if your order is larger and the size we can’t make with laser cutting, then we should set up the mold.
Now you should clear the tolerance of the metal dome array, you can choose to which one is better for you, no matter which you choose, we are very pleased to cooperate with you.
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Do you know how to calculate the whole thickness of the metal dome array? As this is also very important for the whole product design.
Now we make the metal dome array the structure is double layers: Mylar + spacer + snap dome. The total thickness is equivalent to Mylar + snap dome thickness,here we can ignore the spacer thickness, because spacer is shrapnel to snap domes. Mylar thickness is generally 0.025mm, metal snap dome thickness according to the shape and diameter. Such as our 5mm, 160g,circle snap dome: the thickness is about 0.20mm, then the total thickness is 0.025 +0.20 = 0.225mm.
Now I think you should know to calculate the thickness? As each snap dome with different thickness, please contact us to request the drawing which with details information.
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How to make metal dome array? Here for me to tell you details. We make the metal dome array according to customers’ drawings. As long as you have a product drawing, including snap domes location, outline size, then we can start the production.
There are two ways for us to make: one is laser-cuting, another is to set up tooling. Laser cutting does not require the cost of mold,it’s very fast and convenient.
CMD Manufacture will be your best parter of metal dome array, if you have any need, please do feel free to contact us.
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The last time we talked about metal snap domes characters, so this time let’s have a look at the metal dome array characters. Please see the structure of the metal dome array:
1, Mylar: the top layer, transparent, thickness is 0.025mm;
2, Spacer: transparent and white two kind;
3, Bakcing paper: the bottom layer, backing to the dome array, it can Prevent dust;
Metal dome array is also very simple,we make it according to customer’s drawing. So please send me your drawing to have a quote.
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