Plastic Injection Molds
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What do you mean by the side of the plastic mould
- The division of heaven and earth is on the injection molding machine, the mould is on the injection molding machine, the upper side is the sky side, the lower side is the ground side One, on the side of the operator's operation, is called the operation side, and the other side is a side that deviates from the operator's side, which is called non-operating side or back 2, water in and out generally cannot be done on the operating side, for safety (some of the moulding hot water, if the detonation tube can burn the person) and the operator is convenient; The waterway is generally in the non-operational side, followed by the ground; It is also not advisable to use water in and out of the water, because if there is a leak, it will flow to the mold section and increase the injection rate. Inevitably, the water will flow through the channels through the channelss
What kind of mold do you have?
- Mold can be divided into metal mould and non-metal mould. The metal mould is divided into: casting mould (non-ferrous metal casting, steel casting) and forging die etc. Non-metallic mold is also divided into: plastic mould and inorganic non-metallic mould. And according to the material of the mould itself, the mold can be divided into: sand mold, metal mould, vacuum mold, paraffin mold and so on. With the rapid development of polymer plastics, plastic mould and people reference Plastic mould can be divided into: injection molding mold, extrusion molding mold, gas auxiliary molding mould and so on. big The production of non-sheet metal parts - cold heading, die forging, metal mould, etc. The mould Sheet metal discharging, hot-rolled, cold-rolled, hot coil, cold rolled sheet metal processing, deep drawing, integer, bending, punching, blanking, non-ferrous metal casting, powder metallurgy, plastic parts, injection molding, blow molding (plastic bottles), extruded (pipe) mold other categories: alloy mold, metal mold, plastic mold, stamping mold, casting die, forging die, injection mould, die-casting mould, auto mould, thread rolling dies
Why does the mold exhaust, so where does the gas come from
- Just add a little bit of the purpose of the exhaust: burn. The other ten is perfect.Plastic mold venting is not good, the gases in the cavity is compressed, produce a lot of pressure, this is the back pressure to prevent the molten plastic for normal rapid molding, make it difficult to injection molding. Once injection molding difficulty in this case, the researchers often adopt the method of improve the injection pressure of injection, this led to the pressure maintaining prolonged, molding cycle delay, the production efficiency is lower, injection molding machine energy consumption increases and so on. Even corrosive gases are sometimes fouled in the cavity, contaminating plastic molds, reducing the life of the molds and increasing the cost of plastic moulds.s
Where is the mould industry in our country?
- Mould industry is mainly concentrated in ningbo and taizhou, zhejiang province, ningbo, ninghai, yuyao, cixi and yinzhou mainly produces plastic mold, beilun is given priority to with die casting, xiangshan and zhoushan is given priority to with casting and stamping die. Taizhou main mould manufacturing enterprise focuses on huangyan and road bridge, plastic mold is the majority. Zhejiang mould industry has some obvious characteristics. One is that the mold manufacturing enterprises are almost all private enterprises; Secondly, the mould enterprises have been relatively concentrated and have formed the mould market. Three is that the mould can meet different needs at different levels, and the high level of molds develops rapidly and has a large proportion. Fourth, we have created a number of high-caliber key enterprises through entrepreneurship. Fifth, the division of specialization has been formed by nature, and the main enterprises have obvious features. Sixth, the development of the mould industry is obvious to the local and regional industries.s
What is the material of hot pressing die?
- Die steel must have sufficient hardness and abrasion resistance, sufficient strength and toughness. With good machining performance and good decorative pattern, it is commonly used for carbon alloy steel. Commonly used in Japan, yk-30, yellow card 55CC, which is generally used in the factory state, is better after processing.s
What are the molding methods of plastic molding mould?
- Plastic blow molding mold: is used for molding plastic hollow container class products (such as beverage bottle, cosmetic products all kinds of packaging containers) of a mold, blow moulding main form according to the process principle of extrusion blow molding hollow molding, injection molding, main form according to the process principle of extrusion blow molding hollow molding, injection blow molding hollow molding, injection stretch blow molding hollow molding (commonly known as "note" blowing), multi-story hollow blow molding, sheet molding hollow molding, etc. The equipment of hollow product blowing and molding is usually called plastic blow molding machine, and blow molding is applied only to the production of hot plastic variety products. The structure of blowing mold is relatively simple, and the materials used are made of more carbon.s
How to calculate the cost of plastic mould?
- (3) "343" type of settlement: mould the day of the effect of the contract is signed or prepaid 30% of the price of the mould, came to participate in design, such as mold material preparation in place, began to processing, then pay 40% mould cost. 30 percent, after the die is delivered and used, pay off within a week. This type of settlement is a popular one. The main characteristics of this method of settlement are: 1) 30% of the price of the initial payment in advance as a deposit. In accordance with the audit, check the progress and reliability, make the second 40% payment, and strengthen the supervision of mould manufacturing progress. 3) the remaining 30 percent, after the mold acceptance and acceptance, after a few days of use, the balance will be settled. This approach, which is basically near the design and manufacture of the die, runs in sync. In case of failure of the die, the molds maker shall pay the compensation in addition to the full advance payment. The damages are usually one to two times the deposit. (4) to extract parts production profit mode of the added value of the mould cost: namely in the mold design and manufacturing, mold use, just put in a small amount to ensure the basic cost of mould making (or don't have to pay a mold fee). To be used in the mould making and production, the production of the production, the production of a piece of the production of a piece of production, a part of the profit is returned to the mould maker, as the mould fees
Mold design and manufacturing to learn which courses
- In order to read this major, do I think you should think about yourself before you want to work in the mold industry? Working after graduation is a difficult question to chooses
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