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      2. Pad Printing

        Physical changes within the ink film both on the cliché and on the pad allow it to leave the etched image area in favor of adhering to the pad, and to subsequently release from the pad in favor of adhering to the substrate.

        The unique properties of the silicone pad enable it to pick the image up from a flat plane and transfer it to a variety of surfaces, such as flat, cylindrical, spherical, compound angles, textures, concave, or convex surfaces.

        Pad-printing is one of the many secondary services we offer at CHT that can be incorporated into any part of your production requirements.

        We ave experience in printing onto various materials for the medical, auto, home appliance, and office automation industries.

        We have produced:

        • Car interior control panels.
        • Loudspeaker facias.
        • Printer / Fax / Multi-purpose Machine panels.
        • Telephones / Mobile handsets.
        • Projectors.
        • Medical Electrical Appliances.

        pad-printing-detail

        Spray Painting

        One of the many finish options available for your parts, spray painting offers an unlimited number of color options where plain raw material colors may not suffice.

        Examples of this include brand color matching (for example 'Coca Cola? Red?' is hard to match with raw material, but can be color-matched with spray painting).

        Spray painting also offers a fast and accurate way to apply a micro-thin layer of paint to difficult surfaces in a minimal amount of time, making it ideal for small-part projects, as well as complicated shapes.

        At Changhong Technology, we have 16 spray painting stations in our secondary processing center and numerous industrial heaters/ovens on a 30m long conveyor-belt system to ensure fast and efficient production of your parts, to your specification.

        cnc-spraying-machine-detail

        Hot Stamping

        Hot stamping is a dry printing method in which a heated die and foil are used to apply graphics to a surface. This is one method of security printing.

        Hot Stamping Process

        Hot stamping is a straightforward process:

        • A die is mounted and heated.
        • Foil is positioned above the material to be imprinted.
        • A combination of heat, dwell time, pressure and stripping time control the quality of the stamp.

        Foil stamping is environmentally friendly due to it being a dry process. It does not use solvents or inks and does not create any harmful vapors.

        A successful hot stamping job is directly related to the quality of the original artwork. In order to ensure the highest quality reproduction of an imprint, the original artwork should be "camera-ready". The better the artwork at the beginning, the better the imprint reproduction result. The key to a successful hot stamping job is threefold; the first is creating a fixture to support the part firmly under the decorating area. Second, the fixture must also position the part for repeatability of the graphic location. And third, the fixture must allow the operator to easily load and unload the part from the fixture.

        hot-stamping-detail

        Ultrasonic Welding

        Ultrasonic Welding is a technique used to permanently bond two pieces of plastic together. It is often used when manufacturing home appliances or electrical items that are not intended to be opened after production.

        These include:

        • Computer Mouse.
        • Remote Control Device.
        • Electric Toothbrush.
        • Plastic Flashlights (like dive lights).
        • Handheld Games consoles.

        The permanent seal means that the item would have to be destroyed for an end-user to access the inner-workings of the device. This can ensure the owner does not damage it, it can add extra protection of patented and protected technology, can provide water-proof characteristics, and can provide a strong, smooth seal along edges.

        At Changhong Technology, we offer ultrasonic welding to any projects that require it. The machine can either be located in the injection workshop for instant welding after injection or further down the production line to suit your assembly requirements.

        ultrasonic-welding-detail

        Assembly / EMS

        Planning

        Every lean assembly line starts with good planning.

        We calculate a line based on the following factors:

        Task Outcome: This might be full or sub-assembly, with key identifying output goals.

        Takt Time: The target time in seconds it takes to complete the entire task.

        Number of steps: bite-size steps to work through to complete the task.

        Monthly Output Rate: The number of completed items you require each month.

        Facilities requirements: Number of staff; Number of lines; Physical size of each line; Utilities (electricity, water, etc.).

        Testing Requirements: How to ensure the product is ready for the next stage, but further work or sent to market. This stage also helps us plan the test equipment.

        Reporting: Usually weekly, as specified by the client.

        Work Instructions: A clear, visual overview of each step of the assembly process.

        Our Assembly Experience

        For a number of years we have been producing high-volume full-assembly and sub-assembly parts for some of the Auto, Medical, and OA Industries' biggest movers and shakers.

        From steering wheel electric units to complete fax / copy / scanner machines, urine bags to insulin pens, we have experience designing, planning, executing, and maintaining ultra-efficient assembly systems in any of our multiple locations.

        Production First

        Many of our assembly projects have come about from clients producing parts with us, who then require assembly and packaging services, but want to keep everything under one roof. This saves on management costs, time, and helps by giving you just one single point of communication from start to finish.

        Cost Savings

        Despite the obvious time and management cost savings by keeping production and assembly at Changhong Technology, we can also offer otherwise hard-to-obtain savings in areas of raw material purchase, sub-component, and parts purchase and in-coming parts inspection. Being a well-established Chinese brand, we are in a strong position to source the best parts and materials at the right price, saving the client on taxes and additional fees wherever we can.

        ISO Class 8 Medical Clean Room

        For products requiring a 'clean room' environment for production, our 4,000m2 ISO class 8 100K clean room offers the ideal environment for both plastic parts production, medical consumables sub, and full assembly, testing, inspection, and packaging.

        In instances where a line also has ISO Class 7 requirements, we have - in the past - created 10K (Class 7) spaces within the Class 8 cleanroom space so as to accommodate the particular requirements.

        assembly-ems-detail

        Through years of experience, we have come to appreciate that no 2 assembly projects are the same. Whilst assembly, on the whole, has shared values, such as those listed above, each and every project requires the careful attention of our line planners, managers, and engineers to ensure that the optimal line is put in place.

        Contact us today to discuss your next project and let us show you how we can turn your targets into our purpose.

        We Will Reply To Your Email Within 24 Hours!
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