HMC shortens large part treatment is periodic

The moment of force of M, the moment of force of main shaft of the HX630i that this wants to compare company of the Kimamura in this workshop machine tool is 3 times taller above K-Fab company produces the current situation at present for improvement, seeking the machining center that has optimal quality and stability. Although use the machining center of Kitamura company to be able to achieve very big beneficial result, but to answer the development henceforth, large machine tool still is lacked to get used to its in the workshop of K-Fab company the treatment of large work, achieve both neither to expend time not to need work again thereby concentrated model manufacturing purpose. After this kind of state rolls out machining center of horizontal of its MyCenter HX 1000i HMC to Kitamura company continuously all the time. Come for years, always work 7 days according to a week of 24h of a day of job any manufacturers that duty runs, whether to have use facility high quality and wear well to serve as the element of first consideration. But the order is machined to ask to use tall torque low rotate speed to machine in certain when workpiece, and next order asks to use high speed nicety to machine again, and machine precision requirement be ± 0.

0005 μ M when, the machining center product line that should find to be able to satisfy a workshop to ask entirely is quite difficult. This is a when K-Fab company is faced with grim challenge, it is seeking a kind of new machine tool to replace old machining center, with applying its better the technology of new development. Undertake in the product of to a few top class manufacturer adequately examine and verify is mixed after comparing, k-Fab company choose and buy the HMC horizontal machining center of series of Kitamura company HX. Machining center of the new-style HX1000i that K-Fab company purchases recently horizontal, basically use at carrying on bigger the treatment order with more intricate work, this equipment assured company product the quality percent of pass of 99% above (graph 1) . Graph 1 MyCenter HX1000i machining center can install the treatment that large part completes in card in, shortened its machine periodic K-Fab company is an average machine job shops, provide a service for a lot of industries, include to be not road to build product of industry of course of study of Construction Bank of industry, earth, automobile, industry and fire control to control device among them. The treatment that the company supplies all sorts of parts for its client, assemble, the service such as paint and experiment, the high speed that its scope of business includes chromic, iron and other and heavy-duty material machines production, and ask the high accuracy workpiece of dimension of close together to having public errand undertakes machining. Mr Martin Koch established K-Fab company 1968, from former 3 people job shops expands to the company that has many 350 employee. Of the company patulous depend on what its make in 12 years of in the past is decision-making, be about to its are changed from strict treatment production company make trade of an exclusive production. Current, k-Fab company remains the company of a familial type, hold the position of a president by Mr Martin Koch, his son Duane row ever since. The HX series machine tool of Kitamura company machines this workshop the effect of major work is very good, but the model of the HMC horizontal machining center before is not quite large, cannot machine the large part that uses in construction machinery and bulldozer equipment. At first K-Fab company used machining center of horizontal of a HMC to undertake machining to this kind of spare parts, machine two flank above all, next turning workpiece, two flank of rework the others, but this one solution is not good. Carry out a proof, machining a head after two flank, debugging workpiece afresh again is very the process of take time, need uses labor concentrated model manufacturing technology. Manufacturing engineer Mr Randy Barnes of K-Fab company says: "This one process needs to cost us 1.

5h, ability completes the treatment of a workpiece. In the full load job shops that in a week job 7 days of every Nature's engineering make 24h, this kind of work efficiency is very low. " this workshop wants to search a kind of new method, but it seems that neither one is worth investment, machining other work respect especially, the machining center that uses Kitamura firm has obtained the premise of huge success to fall. However, administrative layer still did not abandon seeking enough the effort of large HMC horizontal machining center, this machining center should get used to the treatment that exceeds large part not only, assure the character of product quality and wear well and power even at the same time. At the beginning of 2008, the company of an agency JBM of bank of the East China Sea informs this workshop to say, kitamura company had developed a new-style HMC horizontal machining center, the requirement that fits K-Fab company completely it seems that -- MyCenter HX 1000i machining center, the workbench dimension of this machining center is 1m × 1m, the work that can process can achieve 2m × 1.

5m, the building that needs treatment than this workshop is industrial the part is even a few larger. The X of this machine tool, Y and Z axis journey are 2m × respectively 1.

3m × 1.

4m, the 4th axis (B axis) the journey is 0~360, its increment class is 1. Mr Barnes says: "Just heard when me this machine tool has been developed when coming out, we decide to want to order instantly. And it is to be below the case that did not see prototype, 3 machine tools that make from Kitamura company instantly are chosen bought, because we believe,this one machine tool can complete the work that we need it to finish quite for certain. " of course, the size of machine tool dimension is not the only factor that lets us make this decision, because this workshop has made an on-the-spot investigation, a few large machine tools that other manufacturer manufactures agree with as much the treatment of this kind of large part in the workshop. But Mr Barnes thinks, the structure of slideway of sincere box type of this machine tool has more advantage, its tigidity should compare linear machine tool taller, "Its price although a little a bit taller, but the treatment precision that it reflects and stability are very different however. " weight of graph 2 MyCenter HX 1000i machining center exceeds 57t, this one quality makes a machine tool more strong, stability is better, have taller tigidity in addition, the main shaft of machine tool positive drive allows to move below tall torque and condition of low rotate speed, apply to rough machining to work (graph 2) . This machine tool is heavier, its weight exceeds 57t. Mr Barnes says, the quality that the machine tool overweights makes a machine tool more strong, stability is better, have taller tigidity, when to difficult treatment material undertakes machining or main shaft high speed moves, can carry taller precision noncombatant duty. And the impact that is changed by difference in temperature is less also. Mr Barnes says, the moment of force that the characteristic that HX1000i machine tool highlights another times is its main shaft is 1216N.

M. The moment of force of main shaft of the HX630i that quadrature of this do one's best wants to compare company of the Kimamura in this workshop machine tool is 3 times taller above. Mr Barnes says, when processing some work, k-Fab company uses this machine tool to pass the aperture of 76mm of boring of helix interpolation means, right now feed speed is 116ipm, use the pattern that high speed produces, but the pulling force that right now the workshop brings to bear on to go up in main shaft " had not been close to even " the level of full load. The job that this one ability of the machine tool makes K-Fab company never can have continued before. Mr Barnes is enumerated the relation between the fast feed that another characteristic is a machine tool and cutting feed rate. He says, most machine tool has very tall fast feed speed and low much cutting feed speed, but go up in HX1000i machine tool, these two numbers exceeded 1400ipm. This one advantage can let a workshop make full use of all function of the machine tool. Mr Barnes says: "No matter other standards ask how, the real rate of the machine tool depends on it can achieve how old cutting rate. We feel really, we had won get one's own back. " installation machine tool and groom the time that handled personnel to be used only a few days, but its are direct to the influence of workshop production technology. Mr Barnes says, below certain circumstance, the time that machines every spare parts with this machine tool shortened about 1h, satisfied client requirement not only, still promoted the production of the company efficiency considerably. The largest force of HX1000i machine tool is reflected go up to the treatment of spare parts of large, high strenth in its, make those especially be hard to when the material of cutting, its produce speed to rise considerably, be like A572 60 class, 80 class and spare parts of steel of 100 level structure. When machining this kind of spare parts, the treatment cycle of this workshop shortened 75% , was equivalent to productivity rising fourfold, still assured to improve the treatment quality of the spare parts even at the same time. Of course, the success of HX1000i machine tool reflected K-Fab company to reach its to use the one part of panorama of Kitamura machining center only. In the spare parts that machines on machine tool of company of this workshop Kitamura, its discard as useless do not lead 1% , make its maintained the good reputation of high grade supplier thereby. Its all machine tools run 24h everyday, work 7 days every week. "If we must handle the stop production time outside the plan, have to prepare so of a lot of reserve machine tool, otherwise we catch up with working metre without method. We must catch up with the maintenance plan of a formulate plans, only such, ability can maintain the machine tool good, normal move. " Mr Barnes say. CNC Milling