At first sight goes, mark Miller is a miller of typical aircraft processing factory. He has the background of engineering industry, run a plant that machines aviation industry part technically. However, miller had seen the future of the company, and realize this are rely on a client to drive. Those periods that signal client lowest to order goods when quantity and they can get a part by aircraft processing factory had been gone never to return. Nowadays, the client informs a supplier through electronic means he needs what kind of part, next the thing that aircraft processing factory must cut cogent fact to produce client place to need, and should finish in appointed time. If a certain enterprise cannot give its client to provide this kind of service, so the client can find this kind of service in other place, no matter be,be being returned in North America is an Asia. Miller is company of Crown Valley Precision (be located in city of California Baldwin Park contract engineering company) president. Recently, the way that he runs to the company had gigantic revolution, commutation processes unit system into, all these the predestined relationship because the date of delivery with client quicker demand. Since after undertaking alternating this, crown Valley already benefit blame is shallow, include to improve quality, shorten manufacturing time and reduce cost to wait. Miller says: "We alternate be unit means get client drive completely. The process that one of our clients want to let them forms automation line form, build system of an instant delivery. This is dynamic fountainhead. " when Miller knows to undertake modificatory just about now, otherwise business is potential prediction of a person's luck in a given year abroad in competitor hand. He says: "I undertook making an on-the-spot investigation to processing unit, and read excellent production and sheet the data of content shedding respect. This are very significant, the manufacturing time that allows me to know future will be shorter and shorter. In prospective 5~10 in year, this industry of the United States will get ' Chinese times ' challenge. If we cannot realize modernization, and have production with taller productivity, so we will be washed out by the market. " company of Crown Valley Precision is the airline such as such as Boeing, Embry Air and Gulfstream technically to make part of hydraulic pressure actuator. In the past, the main production methods of the company is batch is mixed system queueing up. Miller built unit of a treatment a few years ago, but he objects changing whole production unit style, because stop production,decorate a workshop afresh not actual. But, the closest coast lets Miller time reconsiders managing however, decided to want to build the unit of what type, begin a machine tool to move truly next. To miller of a lot of aircraft processing factory, the machine tool moves and the cost of new wiring can prevent them to change produce a system into unit type normally. But Miller and its employee however oneself start work all machine tools move, at the same time other employee undertakes electric wiring works. The company needs to add 3 new machine tools to be able to complete unit system on his inventory only. Crown Valley reaped the profit that brings because of this kind of change very quickly. Quality gets Miller says ameliorative: "Our quality got ameliorative, because employee is used at detecting all tools of the spare parts as it happens is on the machine tool. And if they discover,have what thing be out of order, they can try to amend instantly. When we complete the treatment of a certain workpiece, we accomplished the know how things stand and feel confident of handling them in the heart to it. Our spare parts satisfies the client's regulation. " Miller complements: "Because you concentrate energy in [in every unit] on a spare parts, the turning that finish and milling, accordingly you can acquire the part with very good consistency. The part that we make here so well, accordingly they can enter used position directly and beardless fabricating. Our client does not detect they, they are incorrect also they set reserve; The spare parts enters assembly line directly in. " raise productivity to be mixed to batch system queueing up, once wanted 8~10 week time to finish workpiece to machine normally, but the unit system of Crown Valley shortened manufacturing time however half. Miller points out: "The batch that what we once used is a model and operation queueing up. We will have a large number of spare partses to want to machine, run the first process first, change next all things, run the 2nd process again. And nowadays, the longest time is 3 ～ 4 weeks, include to send out the time that has the need such as chromium of grinding, plating and heat treatment the part inside. " Miller continues to say: "The exercise in the process decreases greatly, accordingly stock falls. The batch that we machine nowadays is lesser, can get used to specific requirement of the client better so. Won't manacle the machine tool that is used at machining a large number of waiting for to machine a spare parts so. " although exterior cost continues to increase, crown Valley can reduce in-house cost however. Miller says: "Although we reduced employee number 26 people from 33, we still can with be being produced with the same rate two years ago. Every our cost had reduced 18~20% . We see our exterior processing cost rises, chromic factory of such as plating, eletroplate factory and heat treatment factory, especially code of California environmental protection is strict, relevant cost is higher, but although these respects raised the price, we can reduce our cost however. " say according to Miller, commutation needs to spend proper time to suit for unit means, but be familiar with new manufacturing system more and more as them, the productivity of Crown Valley rises ceaselessly. Miller says: "When you pack cutting tool to unit first, need very long time. Machine a spare parts first in unit when us when, spent 12 minutes of ability to had been machined. Next, we provide cutting tool afresh to it, need 7 minutes merely now. " Crown Valley of more and patulous space returns discovery, although they had had enough space to satisfy current requirement, but commutation went out to be used at patulous more space for nothing however into unit system. Miller explanation says: "Original machine tool scatters in everywhere. We are added established 3 facility, have all machine tools be arranged afresh and be associateded next, give the dimensional air of the workshop the in part almost so. Through decorating a machine tool with compact means, for us future expands offerred premise. It is OK that we had discussed with the client our workshop uses recapture the specific product of another unit production. " how to build unit but, establish treatment unit is far more than arrange the machine tool in ground of workshop one after another so simple. Miller says: "We sat to inspect all spare partses that we machine normally, especially the amount is larger those. Next we refine them for different process. Our computation need how many turning, working procedure of how many milling. Once we reach matrix and spare parts mark working procedure to be contacted, came out in group, we see a certain number of spare partses can divide a group. Carry this kind of kind, we listed what we want the detailed list of equipment. A lot of spare partses suit 4 turning working procedure and two configuration of milling working procedure. " even if is such, be not all spare partses to suit unit normal operation completely. Miller says: "Occasionally, we have the work that needs a turning working procedure merely, perhaps need the part of finish machining. We are when some machine tool is disengaged, arrangement processes these work. Normally, we won't produce the situation of leisure of many main shaft, but every machine tool should is not in our unit when moving, we install the treatment in disengaged main shaft with respect to will other work. " a key that the importance of good machine tool makes some unit system truly effective is to have the machine tool that is worth reliance. Miller says: "If some machine tool stops, so you must close unit, cannot machine any spare partses. The dependability that a focus that attention wants when reaching these unit one case repeatedly is equipment and spend stably. " operate to turning, crown Valley has Japan to make a large number of lathe that manufacturer manufactures. To milling operation, they use Ha Si (Haas) the machining center of automation. Miller points out: "We are very satisfactory to Ha Sixi bed. Having accurate new machine is a key that improves quality. " Crown Valley bought milling machine of vertical of VF-0E of a Ha Si 1999, acquired again before long machining center of two VF-2 vertical. Miller says: "Precision of Ha Sixi bed is tall, and easy process designing. What I like to breath out Si Xi bed is them on the other hand maneuverable. Controller has good consistency, accordingly, if my general operator trades another unit from an unit, I need not worry should undertake grooming afresh to him. because of this, I concluded use only or the standard of product of two manufactory homes. We are nonexistent groom the problem of the respect. " Miller says, alternate unit system is physical commutation not just, still have the shift of thought respect. He says: "The psychology that you must change yourself completely is decided situation. Cannot think again batch and queue up. Unit forces you to undertake concerned change. But the advantage that I think to alternate place is brought was head and shoulders above the cost that it costs. I regret to did not use unit means a bit earlier only. I regret to did not use unit means a bit earlier only.. CNC Milling