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Mold design classification analysis

Source:This websiteClick: Time:2014-08-13

 The traditional design and green design 


The traditional mould design considers only can produce qualified mould design. Will not be too much to consider whether or not the material impact on the environment. Produce the mould could use after processing and reuse again. But from beginning to end in the mold of the green design of considering the impact on the environment, but also consider the recycling of the mould. 


The choice of materials 


Mold material green degree of the green properties of the final product has a very important influence. Materials selection for green design must be established on the basis of green materials. Discard the past was carried out on the material surface treatment by chemical methods. Instead of physical method to achieve the purpose of corrosion or easy to demould. Choose the high quality mirror steel processing mold cavity; Use stainless steel material to mold to replace electroplating processing anticorrosion; Or use the smaller to the harm of environment and alternative plating ni-p plating chromium. 


The basic properties of the green materials should possess are: (1) low pollution, low energy, low cost, (2) easily in the process of machining and no pollution or less pollution: 3. Biodegradable, reusable. 


Standardization of design 


Mould standardization is the precondition of organization mold professional production. And mould specialized production is to improve the mold quality, shorten the mould manufacturing cycle, reduce the cost of the key. 


(1) and buying a standard die set and other standard parts. Mold base and standard parts by the specialized factory, enterprise production by social division of labor, make limited resources get optimal allocation. Mould is usually just intensive cannot reoccupy after scrapped. But this die set is basic intact. So using standard mould base will help die set recycling. Stamping mold and injection mold die set has many types, and the die set is basic consists of standard mold base. Guide post. Guide sleeve and other parts. At the same time. The standardization of die set can make the production formwork used equipment greatly reduced, thus saving resources. Also conducive to management. 


(2) the standardization of mold of each structural unit. This can speed up the design, shorten the design cycle, convenient processing and management. 


Removable design 


Mould in use process, parts in part due to excessive friction and impact, wear and tear. At this time. This part only need to replace parts mould can still use. In addition. Sometimes, as long as the replacement parts can be realized the production of a new product. Sealed not only caused a large number of repeatable parts material waste. And bad for waste disposal. Will seriously pollute the environment. So at the beginning of the design shall take into account the disassembly problem: (1) as far as possible choose the general structure, in order to change. (2) under the premise of meeting the strength requirement. As far as possible using detachable connection. If use thread connection, without welding, riveting, etc. 


CAD, CAPP, CAM, CAE application 


CAD, CAPP/CAM is mould design major measures towards full automation. Using CAD/CAPP/CAM technology, can realize little drawings or no drawings processing and management, save resources, can shorten the mold design and manufacturing cycle. To improve the quality of mould manufacturing success rate and die. The CAE technology has been widely used today. First of all, can use CAD technology to design the general structure of the product. Mark the basic size, then use of CAE analysis, feasibility analysis of the structure and process analysis. Now the 3 d CAD software (such as Pro/E, SolidWorks, UG, etc.) basically integrated the CAE technology, can be used to simulate the flows of materials and analysis of its strength, stiffness and shock experiment simulation, etc. Using CAD/CAE to implement concurrent engineering provides the basic platform, thus improve the efficiency of the mold design, shorten the design cycle. Green product analysis was realized. 


Manufacturing environment design 


Mechanical production workshop, especially stamping workshop noise and pollution is very serious. On staff health cause great threat, also interfere with the surrounding tranquility, so when it's in the mould design of noise control. Or even eliminated. The method of eliminating machine noise is usually has the following several ways: instead of gear transmission with V belt; Replace the rigid clutch with friction clutch; Completes the flywheel of rotors, such as dynamic balance: in the main parts of the press to produce noise sealed enclosures: use has no impact of shock absorber formwork, etc. 


The packaging design 


Packaging scheme design mainly includes three aspects: the selection of packaging materials, packaging structure improvement as well as packaging materials and waste recycling. The use of packaging materials and waste has a huge impact on the environment. Especially for some difficult to recycle or difficult to drop, solution of the material, the material can only be burned or buried. Product packaging should be simple as far as possible and, therefore, the use of green packaging materials (nontoxic and pollution-free, easy to recycle, easy degradation of materials), both to reduce the waste of resources, and can reduce the pollution to the environment. 


Recycling design 


Mould recycling is used in the mold design phase consider the mold after the possibility of recycling and recycling methods and costs. Main contents include recyclable materials in design for recycling and marks and recycling methods, recycling of technical and economic assessment and recovery of structure design. Its main measures are as follows; 1) use of less impact on the environment mould material, such as non-toxic harmless materials, renewable materials, easy recycling of materials, etc.; (2) the use of reusable materials; (3) used to mold parts for renovation, reprocessing, etc. 


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