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为何山东beplay全站app安卓常常发作爆裂?beplay全站app安卓生产如何防备?

来源:http://www.jnhjgs.cn     发布时间:2019-07-24 17:19:25    点击:

  beplay全站app安卓爆裂缘由剖析:
  Cause analysis of die burst:
  1.beplay全站app安卓材质不好在后续加工中容易碎裂
  1. Mould material is not good and easy to crack in subsequent processing.
  2.热处置:淬火回火工艺不当产生变形
  2. Thermal Disposal: Deformation due to improper quenching and tempering process
  3.beplay全站app安卓研磨平面度不够,产生挠曲变形
  3. The flatness of the grinding die is insufficient, resulting in flexural deformation.
  4.设计工艺:beplay全站app安卓强度不够,刀口间距太近,beplay全站app安卓构造不合理,模板块数不够无垫板垫脚
  4. Design process: die strength is not enough, knife edge spacing is too close, die structure is unreasonable, the number of template blocks is not enough, no cushion plate cushion foot.
  5.线割处置不当:拉线线割,间隙不对,没作清角
  5. Improper disposal of wire cutting: pulling wire cutting, wrong clearance, no angle clearance
  6.冲床设备的选用:冲床吨位,冲裁力不够,调模下得太深
  6. Selection of punch equipment: tonnage of punch, insufficient punching force, too deep die adjustment
  7.脱料不顺:消费前无退磁处置,无退料梢;消费中有断针断弹簧等卡料
  7. Unsmooth stripping: no demagnetization disposal before consumption, no stripping tip; broken needle, broken spring and other stuffing in consumption
  8.落料不顺:组装模时无漏屎,或滚堵屎,垫脚堵屎
  8. Dropping is not smooth: there is no leakage of feces when assembling moulds, or rolling and blocking feces, padding and blocking feces
  9.消费认识:叠片冲压,定位不到位,没运用吹气枪,模板有裂纹仍继续消费
  9. Consumption awareness: laminated stamping, inadequate positioning, no use of air guns, template cracks continue to consume
  beplay全站app安卓爆裂如何防备:
  How to prevent die burst?
  1冲压设备
  1 stamping equipment
  冲压设备(如压力机)的精度与刚性对冲模寿命的影响极为重要。冲压设备的精度高、刚性好,冲模寿命大为进步。特别足小间隙或无间隙冲模、硬质合金冲模及精细冲模必需选择精度高、刚性好的压力机,否则,将会降低beplay全站app安卓寿命,严重者还会损坏棋具。
  The accuracy and rigidity of stamping equipment (such as press) are very important to the life of stamping die. Stamping equipment has high precision and good rigidity, and die life has been greatly improved. Especially for small clearance or no clearance dies, carbide dies and fine dies, it is necessary to select a press with high precision and good rigidity. Otherwise, die life will be reduced and chess pieces will be damaged seriously.
  2beplay全站app安卓设计
  2. Die Design
  (1)beplay全站app安卓的导向机构精度。为进步beplay全站app安卓寿命,必需依据工序性质和零件精度等请求,正确选择导向方式和肯定导向机构的精度。
  (1) The precision of the guide mechanism of the die. In order to improve the service life of the die, it is necessary to select the correct guiding mode and confirm the accuracy of the guiding mechanism according to the requirements of the process nature and the accuracy of the parts.
山东beplay全站app安卓
  (2)beplay全站app安卓(凸、凹模)刃口几何参数。凸、凹模的外形、配合间隙和圆角半径不只对冲压件成形有较大的影响,而且关于beplay全站app安卓的磨损及寿命也影响很大。精度请求较高的,宜选较小的间隙值;反之则可恰当加大间隙,以进步beplay全站app安卓寿命。
  (2) Geometric parameters of die edge (convex and concave die). The shape, fit clearance and fillet radius of convex and concave dies not only have a great influence on the forming of stamping parts, but also on the wear and life of dies. If the precision requirement is high, the smaller clearance value should be chosen; otherwise, the clearance can be increased appropriately to improve the service life of the die.
  3冲压工艺
  3 Stamping Technology
  (1)冲压零件的原资料。
  (1) Raw materials of stamping parts.
  ①尽可能采用冲压工艺性好的原资料,以减少冲压变形力;②冲压前应严厉检查原资料的牌号、厚度及外表质量等,并将原资料擦拭洁净,必要时应肃清外表氧化物和锈迹;③依据冲压工序和原资料品种,必要时可布置软化处置和外表处置,以及选择适宜的光滑剂和光滑工序。
  (1) The original materials with good stamping technology should be used as far as possible to reduce the stamping deformation force; (2) Before stamping, the grade, thickness and appearance quality of the original materials should be strictly checked, and the original materials should be wiped clean, and the surface oxides and rust should be removed if necessary; (3) According to the stamping process and the varieties of the original materials, softening points can be arranged when necessary. Placement and surface disposal, as well as the selection of appropriate smoothing agent and smooth process.
  (2)排样与搭边。
  (2) Layout and lapping.
  不合理的往复送料排样法以及过小的搭边值常常会形成beplay全站app安卓急剧磨损或凸、凹模啃伤。必需依据零件的加工批量、质量请求和beplay全站app安卓配合间隙,合理选择排样办法和搭边值,以进步beplay全站app安卓寿命。
  Irrational reciprocating feeding layout method and too small lapping boundary value often lead to sharp wear or convex and concave die gnawing. In order to improve the service life of the die, the layout method and lapping boundary value must be reasonably selected according to the processing batch, quality requirement of the parts and the clearance of the die.
  4beplay全站app安卓资料
  4 Mould Information
  ①资料的运用性能应具有高硬度(58~64HRC)和高强度,并具有高的耐磨性和足够的韧性,热处置变形小,有一定的热硬性;②工艺性能良好。
  The data should have high hardness (58 ~ 64HRC) and high strength, high wear resistance and enough toughness, small heat treatment deformation, and a certain degree of thermo-hardness; and the process performance is good.
  5热加工工艺
  5 Hot Processing Technology
  beplay全站app安卓的热加工质量对beplay全站app安卓的性能与运用寿命影响甚大。
  The hot working quality of the die has a great influence on the performance and service life of the die.
  (1)锻造工艺。这是beplay全站app安卓工作零件制造过程中的重要环节。应严厉控制锻造温度范围,制定正确的加热标准,采用正确的锻造力法,以及锻后缓冷或及时退火等。
  (1) Forging process. This is an important link in the manufacturing process of working parts of dies and moulds. The range of forging temperature should be strictly controlled, the correct heating standard should be formulated, the correct forging force method should be adopted, and the slow cooling or timely annealing after forging should be adopted.
  (2)准备热处置。应视beplay全站app安卓工作零件的资料和请求的不同分别采用退火、正火或调质等准备热处置工艺,以改善组织,消弭锻造毛坯的组织缺陷,改善加工工艺性。
  (2) Preparing for thermal treatment. In order to improve the structure, eliminate the structural defects of forging blank and improve the processing technology, annealing, normalizing or tempering should be adopted respectively according to the different information and requests of die working parts.
  (3)淬火与回火。这是beplay全站app安卓热处置中的关键环节。冲模淬火加热时特别应留意避免氧化和脱碳,应严厉控制热处置工艺标准,在条件允许的状况下,可采用真空热处置。淬火后应及时回火,并依据技术请求采用不同的回火工艺。
  (3) Quenching and tempering. This is the key link in the heat treatment of die. When the die is quenched and heated, special attention should be paid to avoiding oxidation and decarbonization. The standard of heat treatment process should be strictly controlled. Vacuum heat treatment can be adopted when conditions permit. After quenching, it should temper in time and adopt different tempering processes according to technical requirements.
  (4)消应力退火。关于精度请求高的beplay全站app安卓,在磨削或电加工后还需经过消应力回火处置,有利于稳定beplay全站app安卓精度,进步运用寿命。
  (4) Stress relief annealing. As for the mould with high precision requirement, after grinding or electro-machining, stress relief and tempering are needed, which is beneficial to stabilizing the precision of the mould and improving its service life.
  6加工外表质量
  6. Processing Appearance Quality
  ①beplay全站app安卓工作零件加工过程中必需避免磨削烧伤零件外表现象,应严厉控制磨削工艺条件和工艺办法(如砂轮硬度、粒度、冷却液、进给量等参数);②加工过程中应避免beplay全站app安卓工作零件外表留有刀痕。夹层、裂纹、撞击伤痕等宏观缺陷。这些缺陷的存在会惹起应力集中,成为断裂的本源,形成beplay全站app安卓早期失效;③采用磨削、研磨和抛光等精加工和精密加工,取得较小的外表粗糙度值,进步beplay全站app安卓运用寿命。
  It is necessary to avoid the appearance of burned parts in the process of working parts of dies and moulds, strictly control the grinding process conditions and methods (such as grinding wheel hardness, particle size, coolant, feed rate and other parameters); and avoid the knife marks on the surface of working parts of dies and moulds in the process of processing. Macroscopic defects such as interlayer, crack, impact scar, etc. The existence of these defects will cause stress concentration, become the source of fracture, and form the early failure of the die; Third, the use of grinding, grinding and polishing and other finishing and precision processing, to achieve a smaller surface roughness value, improve the service life of the die.
  7外表强化处置
  7 Apparently Intensified Disposal
  为进步beplay全站app安卓性能和运用寿命,beplay全站app安卓工作零件外表强化处置应用越来越广。常用的表而强化处置办法有:液体碳氮共渗、离子渗氮、渗硼、渗钒和电火花强化,以及化学气相堆积法(CVD)、物理气相堆积法(PVD)和在盐浴中向工件外表浸镀碳化物法(TD)等。
  In order to improve the performance and service life of the die, the application of strengthening the appearance of the working parts of the die is more and more widespread. Commonly used surface strengthening treatment methods include liquid carbonitriding, ion nitriding, boronizing, vanadizing and spark strengthening, chemical vapor deposition (CVD), physical vapor deposition (PVD) and carbide dipping into the workpiece surface in salt bath (TD).
  8线切割蜕变层的控制
  Control of Metamorphic Layer in Wire Cutting
  冲模刃口多采用线切割加工。由于线切割加工的热效应和电解作用,使beplay全站app安卓加工外表产生一定厚度的蜕变层,形成外表硬度降低,呈现显微裂纹等,致使线切割加工的冲模易发作早期磨损,直接影响beplay全站app安卓冲裁间隙的坚持及刃口容易崩刃,缩短beplay全站app安卓运用寿命。因而,在线切割加工中应选择合理的电规准,尽量减少蜕变层深度。
  The cutting edge of punching die is mostly processed by wire cutting. Because of the thermal effect and electrolysis effect of WEDM, a certain thickness of metamorphic layer is produced on the surface of the die, which results in the decrease of the surface hardness and the appearance of micro-cracks. The early wear of the die in WEDM is prone to occur, which directly affects the maintenance of the blanking clearance of the die and the easy collapse of the edge, and shortens the service life of the die. 。 Therefore, reasonable electrical regulation should be selected in WEDM to minimize the depth of metamorphic layer.
  9正确运用和合理维护
  9 Correct Use and Reasonable Maintenance
  为了维护正常消费,进步冲压件质量,降低本钱,延长冲模寿命,必需正确运用和合理维护beplay全站app安卓,严厉执行冲模“三检查”制度(运用前检查,运用过程中检查与运用后检查),并做好冲模与维护检修工作。
  In order to maintain normal consumption, improve stamping quality, reduce cost and prolong die life, it is necessary to correctly use and reasonably maintain the die, strictly implement the "three inspection" system of die (pre-operation inspection, inspection and post-operation inspection) and do a good job in die maintenance and repair.
  以上是山东beplay全站app安卓制造商为大家分享的相关内容,想要了解更多内容,欢迎访问网站:http://www.jnhjgs.cn
  These are the related contents shared by Shandong Mold Manufacturers. For more information, please visit the website: http://www.jnhjgs.cn.
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