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Help CenterHuashi Manufacturer: High-frequency Copper and Aluminum Molds, Aluminum Molds, Fusing Molds, Various Blister Welding Molds
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High-frequency molds are divided into three major categories: high-frequency engraved molds, high-frequency sealing molds, and high-frequency synchronous fusing molds.
The high-frequency synchronous fusing mold comes with cutter protection, ensuring at least 1 0,000 times of fusing with free maintenance.Blister packaging shielding molds, protecting electronic products, especially electronic IC and CPU, U disks, heat-sealing packaging of electronic wires, will not be damaged by high-frequency pulses, with excellent effects; the lower mold is an alloy aluminum mold, which is rust-proof, light in weight, and has strong high-frequency conductivity. The upper mold is made of high-quality copper bars, and the cutter is a laser cutter, which has good heat transfer, smooth cutting edges without any burrs and is convenient for tearing the material. The edge pressing patterns are engraved by computer, with clear patterns, uniform size, and various patterns (straight lines, diagonal lines, triangular lines, dotted lines, etc.) can be customized according to customer requirements. The airplane holes can be made according to the actual samples or drawings provided by customers, ensuring the size and shape are consistent with the actual samples.
1.Functions of high-frequency molds: Welding (fusing) the outer shape of sun visors and mirror covers. Embossing frames, planes, and door panels.
2.Properties of high-frequency molds: It shall not crack after welding. The burrs shall not be too long after fusing. There shall be no material extrusion phenomenon at the welded part.
3.Key points in the design of high-frequency molds: Setting of the closed mold height.
Setting of the welding gap between the upper and lower molds.
Setting of the slope of the blade part of the upper mold.
4.Evolution of high-frequency molds: Two-stage copper mold fusing steel mold (spring type)
5.Design process of high-frequency molds:
( 1 ) The product design department provides 2D or 3D finished product drawings.
(2) Confirm the drawing dimensions.
(3) Draw the mold assembly drawing: Set the closed mold height
(4) Draw the individual part drawings of the mold.
(5) Output the drawing(CAM program conversion)
(I) High-frequency copper mold (Taking the embossed copper mold for the car door panel as an example)
The production method of the copper mold is:
(1) Purchase the required material specifications according to the mold drawing. (Including copper sheets, fixtures and aluminum plates)
(2) The copper sheets need to be flattened after being put in.
(3) Make the required dimensions and shapes according to the drawing.
(4) Process the two sides of the made dimensions and shapes to be parallel. (The heights of the copper sheets are all equal, and the parallelism tolerance needs to be within+－0.05㎜).
(5) Make the car door panel fixtureA (The fixtureA is based on the dimensions given in the drawing).
(6) Attach the finished product drawing to the aluminum plate, and then fix all the copper sheets on the aluminum plate with fixtures according to the drawing shapes respectively. (The fixtures need to be made with unified specifications in advance).
(7) Also fix the fixtureA on the aluminum plate for the positioning of the car door panel dimensions.
(8) Make the support device, paste foam on the top, and its height is about lower than the copper mold surface3-5㎜。
（9）Make a handle at each of the left and right ends and fix them on the aluminum plate respectively to facilitate handling.
（10）Check again whether the dimensions of each part of the mold are correct.
（11）Test the mold (the current, pressure, and screen current will vary depending on the size of the mold).
（2）Sun visor fusing mold (divided into two types: full - perimeter fusing of the outer shape and fusing only at the upper edge with the lower edge sewn)
The production methods are the same:
（1）Purchase the required material specifications according to the mold drawing
（2）Drill and machine the upper and lower templates. Machine the outer shapes of the upper and lower mold bodies through CAM program conversion and then send them out for external processing and heat treatment to HRC58 degrees.
（3）Grind and then assemble & finish.
（4）Test the mold.
（3）Two - stage (also known as spring - type)
The production method is generally the same as that of the general fusing steel mold. The difference is that a spring is installed on the upper mold, and the material is pressed first and then fused.
（4）Xinsanxing style
The production method is:
（1）Purchase the required material specifications according to the mold drawing. (Including copper sheets and templates)
（2）The copper sheets need to be leveled first after being incorporated.
（3）Make the required dimensions and shapes of the copper sheets according to the drawing. (This is the upper and lower mold bodies)
(4) Lock the upper and lower mold bodies to the upper and lower templates respectively.
(5) Convert the shape and size with the CAM program, and both the inside and outside need to be machined.
(6) Assembly & Finishing.
The upper mold body in this method is made in a 1:1 ratio, while the lower mold body is 0.2mm smaller on one side. After trial production, it is found that the burrs on the finished product are very slight, which is better than the traditional method. However, it also requires higher machining accuracy.
Classification
Take the fuse sun visor mold as an example
(1) Lower template: The material is SS41, with a thickness of 15mm. The commonly used specification in the factory is 250*800mm.
(2) Lower mold body: The material is SKD11, with a thickness of 23mm. The size specification is determined according to the size of the sun visor finished product. It needs to be heat-treated after machining.
(3) Positioning blocks A and B: The material is bakelite (substitute wood), with a thickness of 45mm. This single piece is only suitable for external positioning when fusing the upper edge. It is not necessary to use this positioning block when fusing the full-circumference external shape. (6) Guide columns and guide sleeves: Standard products. The guide column is made of SS41 by turning. The guide sleeve is made of ethylene dragon.
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