5 thoughts on “How to make jewelry molds”

  1. Harold

    1. Concepts and design: Hand your own concepts to draw a sketch, and then use the drawing software to draw the sketch with accurate size to complete the initial design drawings.
    2, craftsman carving wax: Jewelry craftsman with reference to the design drawings hand -carved a wax version, and then pour out the silver version with the method of losing wax casting. This is the highest process in the jewelry production process. The silver version of the silver must be smooth and non -trace, the structure of each part is reasonable, and the position size of the inlaid gem is accurate.
    3, rubber mold injection: The rubber mold is opened and the waxing operation is performed. The wax in the wax injection machine should be kept between 70-75 degrees. The wax solution is injected into the glue film.
    4. Select the stones: According to the silver version and wax mold, select the size, shape and color of the stones.
    5, the wax type is finally completed: so that jewelry molds are made formed.

  2. Lee

    1. First prepare a barrel, then put on a plastic bag, add water and gypsum powder. The gypsum powder must be more than water, showing a state of difficulty dissolving.
    2. Then prepare the plastic wood partition you want to make the mold, build the partition into the shape you want plastic, and then fill all the gaps in the western gap with rubber puree.
    3, then wear plastic gloves, and the gypsum powder in the barrel until the gypsum powder shows a sticky paste.
    4, then pour the gypsum powder in the plastic tool, pour it evenly, and pour all the barrels.
    5, as shown in the figure below, let it stand for half an hour after pouring, and wait until it is completely solidified and then perform the next step.
    6. After the gypsum is completely solidified, the plastic mold can be disassembled, because it is connected to the wooden head, you can remove it directly.
    7, the final gypsum mold also needs to gently scrape off the rubber puree with a knife to complete.

  3. Tom

    Step of jewelry mold production:
    The wax molds are cast with glue mold. This process is referred to as wax injection. The wax used to make wax molds is made from a variety of waxes of various properties. As a result, the required melting point, hardness, strength, and toughness synthetic wax. No matter what kind of wax, the total requirements are to have a certain strength, which can be completely burned without leaving residue. The shorter the melting distance, the better. Wax: Good injection wax should have lower solubility, good liquidity, can quickly solidify, and have appropriate elasticity, which is easy to remove from the glue mold. The commercially available products are green, red and other colors to distinguish their nature. Green wax uses the most common. The temperature of the good wax melting is between 63 ° C and 74 ° C. The lower the temperature, the smaller the wax contraction, and the temperature of the wax injection is too high. Small bubbles in wax when cooling.
    2. Wax injection: After the wax injection machine melts the wax, the wax is injected into the glue mold with pressure, and the gum molded with the wax should be placed for 2 to 3 minutes. After cooling through the wax mold, take out the wax mold carefully. The temperature of the molten wax when the wax is injected is adjusted according to the nature of the wax. The air pressure is adjusted according to the thickness of the wax type. It is generally controlled at 4 ~ 10 air pressure. The thick waxmum uses higher pressure. When the wax is injected, use two aluminum plates or steel plates or organic glass plates to clamp the glue mold. The two hands are held on the switch to the switch of the wax nozzle, and the wax injection starts. When the indicator light is off, the wax mold is noticed.
    3. Take the wax mold: The timing of the wax mold from the glue mold should be mastered. The premature wax is not completely solidified and cannot be formed. Note that the rubber mold that has been cooled is placed on the workbench, holding the mold with one hand, and the other hand slowly bent and opens the mold, and the wax mold is still in the lower mold. Take out the wax mold. The waxing mold is used as a small surface defect, which can be repaired appropriately. Repair can be performed through waxing and scraping.

  4. Albert

    Making gypsum mold
    1. Planting wax: The so -called planting wax is to welded the wax molds one by one to make full use of the mold space to make mass production. The wax molds with melting welding are called wax trees. Because the melting welding flows and the channels of metal casting are called water inlets, the water inlet connects the wax mold like a trunk, and the wax mold is layered at the top of the trunk. For the water outlet, there is no sharp corner and bending, and the wax mold, support and trunk welding should be smooth. The complex shaped wax molds set multiple water outlets or aid water. The water mouth should be as short as possible, generally not more than 15㎜, and the main water mouth should not be shorter than 7㎜. The location of the water mouth is related to factors such as casting methods. The planting wax can be distributed on the branches according to the shape, size, and type of chess, and the shape, weight and water port form a different wax should be balanced on the support. The good wax mold cannot be too close, otherwise the gypsum mold produced in the future will break down due to the thinness of the model cavity. Solvent to clean. The wax tree should be called weight, and records the corresponding metal weight during casting.
    2. Gypsum mold: The preparation of the preparation of the gypsum mold must be put on the steel cylinder first. The cylindrical pads and holes. The powder used for gypsum molds is not completely composed of gypsum powder. Except for 25 %-30 %cooked gypsum powder, other ingredients include square litstone, quartz sand, reducing agent and solidified additives.
    3, slurry and irrigation cylinder: The tools used in the pulp, the glass or plastic measuring tube for the machine, the mixing spoon for mixing the slurry, and the vacuum vacuum pump for the vacuum.
    4, dewaxing and drying mold: The solidified pink tube must be used through dehydration and drying. Mathematics is generally used for electrical steam, and the temperature is controllable. When plaster molds are put in, the water mouth must be down. The temperature of the electric furnace for drying the mold is adjustable, up to 900 ° C, and the actual drying temperature should not exceed 760 ° C. After 3 hours of heat preservation, the temperature of all gypsum molds in the oven will reduce the temperature of the gypsum mold to the best temperature.

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