Mould 3D Printing and the combination that machine a machine tool apply

Although the mould makes the category that belongs to treatment together with spare parts treatment,the mould makes the distinction that machines with the spare parts, but both distinction is bigger. A characteristic that the mould machines is oneness, each pattern is different, the mould that even if is series product also has similar sex only, unless goods lot is very big when, ability can impose same pattern, but its amount is not much also. The mould changes a knife with knife library rarely when CNC Machining, because every cover the treatment of the mould to be able to be regarded as,this is try technology. Although software of process designing of a lot of numerical control is had modular process designing function, namely similar pattern but the parameter with identical apply mechanically, but the place in detail for instance face of deep chamfer, brow, want to hold parameter of length readjust cutting according to the clip of cutting tool, change even cutting tool norms, cut a phenomenon in order to prevent what cutting tool vibration causes too. Spare parts treatment is batch production normally, so odd a duplicate production that the parameter after trying treatment can use in batch go up, right now the use of knife library can promote cutting tool changing speed and validity considerably. Change character, after to program ends, in machining a process, should press only need to change the cutting tool of loss, the batch that can complete a part is machined. If think if spare parts batch is produced,the mould is machined handy, that has high accuracy one kind to be in with respect to need machine the intelligence that surveys feedback system machines a machine tool. 2.

Cent face matchs modular cent face to match a pattern is an important benchwork working procedure in plastic pattern treatment, pink of red lead of have the aid of shows an agent with what engine oil scale mixes and become, the craft skill that uses benchwork coordinates fluctuation standard together cheek by jowl, place of the fraction that registers model product in order to achieve face does not have cloak, line of model of the cent on the product is extremely fine. When the cent of the mould face is plane, fittings is relatively simple, but grinder of have the aid of will fluctuate the take out of finish machining surplus of the obligate on modular cent face, make fluctuation model cooperates cheek by jowl. When the cent of the mould face is blame plane, the difficulty that compounds a model increases considerably, this basically is caused by the treatment precision of cent face. Normally use ball knife machines the cent that is not plane face, for the knife end opposite Yu Ping, the osculatory area when ball knife cutting is lesser, wear away easily, make the face that treatment comes out and computer model differ bigger, for older to cent face pattern, error of this kind of loss is more serious. Although have the division of numerical control process designing of experience,meeting general blame deuces model face cent is a certain number of area is stagger treatment with quits deviation, touch wear a face, brush the meeting that wear a face to increase appropriate surplus matching a pattern, but the hard job that matchs a model to remain mould benchwork, it is this disappear the other party is chief have a trial of strength between benchwork craft and CNC Machining precision. If use in front says intelligent treatment machine tool will machine a mould, the intelligence that the machine tool feedbacks after the loss circumstance that is not planar treatment precision and cutting tool can be measured through nicety controls a system, undertake compensating type precision work to be not plane thereby, reduce those who be not plane to compound modular difficulty considerably. At present mould of this type nicety machines the price to hold high, but the ceaseless innovation as the technology and replace, popularizing mould nicety to machine is a tendency that mould industry grows. 3.

Application of 3D Printing technology makes 　 3D Printing at the design of the mould is in recent years a popular topic, no matter be industry,or is Internet, its form everywhere is visible. It results from lab, this active the top domain at manufacturing industry, enter home of common common people suddenly with the form of desktop model again however, wait for a variety of adding with plastic, colophony, metal and pottery and porcelain again now material production means gains ground in manufacturing industry rise. In the design of the product development process introduces 3D Printing technology, can shorten considerably development time, reduce development cost. In the development process of the mould, the rehabilitate of the treatment of the trial-produce of the mould, special fittings and mould can use 3D Printing technology. Fusible pattern nicety is cast is a kind of common high accuracy product casts a technology, cheng can divide its pull current to provide a design to make to note wax-pattern roughly, appearance of the candle that make, arenaceous carapace is made, processing of pouring, later period and examine 6 measure. We will provide a design to make in the model that note candle and the candle that make 3D Printing technology introduces on two link. In the development of product of casting of stainless steel essence, the small lot that often encounters tableware, faucet is custom-built perhaps try do. A few abroad's for instance famous dining-room or the custom-built boiler of chef is provided, classics regular meeting perhaps builds ear to add its trade mark in panhandle, there are a variety of plans such as handwritten sign, registered trade mark to offer an alternative in developing a process. To save experiment cost, shorten research and development is periodic, normally the form of the crossing-over of partial make it brand of the product in the mould. Assume some handle needs the trade mark that the experiment differs 3 times, the position of brand of the product in the mould is about make it the mold insert with 3 consistent size, next according to the design make it of brand 3 electrode are on electric spark machine shape come out. Although note candle mould to be made with the aluminium alloy of easy cutting mostly, but sculpture of electrode of CNC treatment mold insert, copper is machined plus electric spark, need 9h ability to finish at least. Those who consider candle model shape temperature and inject pressure are inferior, machine of choice 3D Printing matchs with right bad news capable person, need 3h to be able to print 3 mold insert that give place to need only. This shortened considerably not only handling time, and do not take up CNC and electric spark machine, advantage clearly. The sheet to individuation custom-built product, can choose right bad news capable person direct in order to print a candle appearance that will replace a tradition, and the spare parts with precision higher demand or headgear a kind product, the model that still can choose 3D Printing wax-pattern undertakes making. 4.

Regular meeting of the classics when eat forked mould makes solid exception give repast uses one-time dinner service eat is for instance forked (see figure) . The demand of one-time eat fork is very big, as mould workmanship rise ceaselessly, common monolayer mould already did not increase 40 to one model to 20 by former one model, sheet covers a mould to produced efficiency to already raised one times. Huge demand returns pair of sheet the quality of eat fork has firm demand, below the premise that makes sure eat fork uses strength, answer to be done deftly as far as possible, the products plan of eat fork is very accordingly main, especially the reinforcement with eat bottom fork. Introduce CI-5050 mould bases, one model with 40 one-time eat forked plastic pattern is exemple, will analyse the quick treatment of modular antrum and cent face. The treatment of this mould has two characteristics: It is the CNC treatment with large area planar blame; 2 be reinforcement place is deep narrow groove treatment. To the modular antrum of plastic pattern, groovy practice is to use common hard course CNC to undertake machining, and the right angle that treatment is less than or position of roundlet horn remain and deep narrow groove, use electric spark treatment. Hard course CNC suits to machine the plastic pattern with larger size, especially the efficiency when rough machining is tall, but the speed of finish machining is relative slower. The advantage that electric spark machines is precision tall, and hardness of modular antrum surface can rise, but use on this mould to do not have an advantage apparently: This covers ① mould model antrum is very much, and reinforcement is narrow and deep, the loss of electrode is very so severe, need many rough machining and finish machining electrode, and same antrum needs a standard for many times ability of electric spark treatment is quits the loss of electrode. 40 models antrum is ② annular all cloth, to common 3 axes electric spark for machine, of electrode search with touch number very complex, appear easily modular antrum amlposition makes complex case even. Polish of requirement of forked surface of ③ is whole eat, added hard electric spark grain to increase the difficulty of polishing so. Be aimed at afore-mentioned circumstances, choose common forked mould of hard course CNC and eat of treatment of combination of machine of mill of line course carve. Use by groovy treatment means above all common hard course CNC undertakes rough machining and semifinishing machining, use bisect of machine of mill of line course carve face and modular antrum to have divisional region precision work next, carve an all reinforcement. Rotate speed of engine of mill of line course carve is high, feed rate is rapid, suit to machine soft metal and sculpture, if use its to undertake rough machining, efficiency will be a lot of lower, and the loss of machine tool and cutting tool is severe. Machine of mill of carve of the course that use a line cooperates special the reinforcement that repairs the figuration cutting tool that grind to carve eat fork, not only rate is rapid, and saved not little electrode cost of raw materials and treatment cost. The quality of surface roughness of modular antrum surface that treatment comes out is high, the polish of facilitating later period is handled, and of facilitating later period debug treatment the intensity with balance eat fork and light quantify. 5.

Epilogue fast, efficient, high accuracy is the development trend that current pattern makes, should reasonable use existing treatment device, productivity of mould of translate into of ceaseless will new technology, new technology, promotion mould makes a standard. CNC Milling