Shallow the application that talks about zincic radical alloy to go up in the mould

6 ～ 6.

9g/cm3, shrinkage is 1% .

Of this kind of material cast function, processability can be better. Mechanical performance is higher than alloy of other low melting point, especially hardness is bigger, wearability is better also. Cost is low, suit to use the data that does simple and easy mould very much. Change because of modern society product fast, zincic radical alloy is used at new product research and development actually especially, trial-produce, and the mould of the respect such as small lot production. Even if mould damages, OK also farewell furnace, use at casting a mould afresh. Regretful is, the outspread rate of zincic radical alloy, concussion tenacity is poorer. High temperature capability and corrosion resistance can be bad. One, it is good that the technical properties of zincic radical alloy casts function. Because alloy melting point is low, liquidity is good. Do not need special fusion furnace to be able to fuse so. Can cast a structure complex, have all sorts of moulds of machining and large pattern hard. Cutting processability can be good. Because alloy has particular strength and hardness, machining performance is accordingly good. It can have car, mill, planing machine, grind, the treatment such as cut of electric spark, line. Exterior surface roughness is small. Good weldability can. The zincic alloy that uses same name makes welding rod, can use oxygen, acetylene blaze will undertake soldering. 2, zincic radical alloy the alternative that in the design principle on die zincic radical alloy develops material of the protruding that reduce a standard, sunken model. Fall the sunken model material of makings sunken model should choose zincic radical alloy, punch chooses steel of carbolic element tool to wait. The punch material of punching mould should choose zincic radical alloy, sunken model chooses steel of carbolic element tool. This kind of method that chooses material is more reasonable, an exterior level is made in what obtain to the place in cutting into parts, stop tangent plane more bright and clean, quality gets easily assuring. Zincic radical alloy develops the value of reasonable and initial clearance between the punch that reduces a standard and sunken model, it is to rushing in reducing the job, rely on to make pair of alloy blade and a parietal wear away and scrape action, automatic compensation is obtained. To falling material process is to increase sunken standard measure to come from clearance of manage of the conformity that change mix; It is to punching working procedure come from clearance of manage of the conformity that change mix in order to reduce punch size. Public errand of measure of protruding, sunken standard is decided really. What zincic radical alloy develops common difference of measure of the protruding that reduces a standard, sunken standard is affirmatory, basically with common develop the method that dismisses a mould identical. To falling material process makes make a dimension depend on the dimension of alloy sunken model; Make a dimension depend on to what punching working procedure makes the dimension of alloy punch. Pitch dimension, size of shape of a flight of stairs, depend on the production precision of sunken model or punch and do not suffer alloy to wear away and change. When the mould is designed, the tagging of punch and public errand of sunken standard measure should be mixed considering the characteristic of workmanship convenient. Expect to falling working procedure, its public errand should be tagged go up in punch; To punching working procedure, its public errand should be tagged go up in sunken model. Height of sunken model point. Zincic radical alloy develops the height of sunken model point that cuts a mould into parts (fall makings sunken model) will immediate impact is made the life of quality and mould. Point size spends a hour, criterion intensity is insufficient, mould life can be reduced significantly; When size is too large, make a flatness, quality all will be affected significantly. Dimension of point sidewall height, can inspect make the element such as material ply will decide. Sunken model ply and width. Zincic radical alloy develops the sunken model thickness that reduces a standard and width, should make according to be being developed material ply decides with circumstance getting power. Sunken model is rushing in reducing a process, its get power more complex. Basically suffer the effect of radial tension, the effect that suffers axial to press stress at the same time produces a turn to be apart from. Because the intensity of alloy is finite, when designing sunken model so, must want to consider have enough strength. The choice of oriented device. Zincic radical alloy is strong cut a mould into parts to whether use oriented device, whether to use mould bases, should inspect make the relevant element such as size of the complex degree of appearance of precision requirement, geometry, lot will decide. Should make precision demand is high, geometrical form is more complex, lot falls relative to bigger case, when the design Lv of take an examination increases the mould bases that has oriented unit. Not was necessary conversely. Zincic radical alloy is strong cut a model into parts to rush with other like reducing a standard, when design program chooses, ying Ling masters alive affirmatory, ability gets satisfactory result. 3, zincic radical alloy has modular design principle in plastic pattern the design that its design principle and measure to basically be the same as groovy mould is about the same, different point is the method replaces machining and obtain in order to cast shape antrum. Reason should consider in the design the systole of alloy is measured. (the contractive quantity of alloy is 1% ) . When devising computation antrum measure, must multiply with coefficient, the products plan of work measure short of after shaping otherwise asks, quality is couldn't get assure. Plastic pattern of zincic radical alloy, getting power basically is sidewall part. Consider the strength of the mould and take care of bulk to had not come big, can consider to increase filling in the design. The consideration when designing a pattern for example adds steel post, like reinforcing steel bar is being added in be like cement, increase the strength of mould of zincic radical alloy thereby, bulk can narrow again, be made to the mould and produce an operation to create advantage. CNC Milling CNC Machining