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压铸beplay全站app安卓热处理工艺离不开哪些步骤?

来源:http://www.jnhjgs.cn     发布时间:2020-04-23 15:58:11    点击:

热处理是前进压铸beplay全站app安卓使用寿命的重要环节。查询标明:因热处理工艺或操作不妥而导致beplay全站app安卓开裂失效占失效总数的60%左右。因此,在压铸beplay全站app安卓生产中,需求进行正确的热处理工艺操作。
Heat treatment is an important step to advance the service life of die casting die. The results show that the cracking failure of the die caused by improper heat treatment process or operation accounts for about 60% of the total failure. Therefore, in the production of die casting die, the correct heat treatment process operation is required.
一、压铸beplay全站app安卓制造工艺道路
1、 Manufacturing process of die casting die
1.通用压铸beplay全站app安卓
1. General die casting die
铸造-球化退火-机械粗加工-安稳化处理-精整成形-淬火和回火-钳工安装。
Casting spheroidizing annealing mechanical roughing stabilizing finishing quenching and tempering fitter installation.
2.形状杂乱、精度要求高的压铸beplay全站app安卓
2. Die casting mould with disordered shape and high precision requirements
铸造-球化退火(或淬火和回火)-粗加工-淬火和回火-电加工或精加工成形-工作台修补和磨削-氮化(或氮碳共渗)-磨削和抛光。
Casting spheroidizing annealing (or quenching and tempering) - rough machining - quenching and tempering - electrical machining or finishing forming - worktable repair and grinding - nitriding (or nitrocarburizing) - grinding and polishing.
山东铝合金压铸
二。压铸beplay全站app安卓的惯例热处理工艺
Two. Conventional heat treatment process of die casting die
热处理技能广泛应用于压铸beplay全站app安卓的制造。它可以前进beplay全站app安卓零件的使用性能,延伸beplay全站app安卓的使用寿命。此外,热处理还可以改进压铸beplay全站app安卓的加工性能,前进加工质量,削减刀具磨损。因此,它在beplay全站app安卓制造中占有非常重要的位置。
Heat treatment technology is widely used in die casting mold manufacturing. It can advance the service performance of die parts and extend the service life of die. In addition, heat treatment can improve the processing performance of die-casting die, advance the processing quality and reduce the tool wear. Therefore, it plays a very important role in mold manufacturing.
压铸beplay全站app安卓主要由钢制成。制造过程中的惯例热处理包含球化退火、安稳化处理、淬火和回火、淬火和回火。经过这些热处理工艺,钢的显微组织发生变化,然后压铸beplay全站app安卓可以取得所需的显微组织和性能。
Die casting die is mainly made of steel. Conventional heat treatment in the manufacturing process includes spheroidizing annealing, stabilizing treatment, quenching and tempering, quenching and tempering. After these heat treatment processes, the microstructure of the steel changes, and then the die casting die can obtain the required microstructure and properties.
1.预处理
1. Pretreatment
压铸模锻后的模坯有必要选用球化退火或调质热处理,一方面消除应力,下降硬度,便利切削加工,同时为终究热处理做好组织准备。退火后可取得均匀的组织和弥散的碳化物,然后前进beplay全站app安卓钢的强度和耐性。由于淬火和回火的作用比球化退火的作用好,所以对于高强度和高耐性要求的beplay全站app安卓,一般选用淬火和回火来代替球化退火。
It is necessary to choose spheroidizing annealing or quenching and tempering heat treatment for die casting die forging blank. On the one hand, it can eliminate stress, reduce hardness, facilitate machining, and make organization preparation for final heat treatment. After annealing, uniform structure and dispersed carbide can be obtained, and then the strength and durability of die steel can be advanced. As the effect of quenching and tempering is better than that of spheroidizing annealing, generally, quenching and tempering are used to replace spheroidizing annealing for the mould with high strength and high resistance.
2.安稳化处理
2. Safe and stable treatment
一般来说,压铸模的型腔比较杂乱,粗加工时会发生较大的内应力,淬火时会发生变形。为了消除应力,一般应在粗加工后进行应力消除退火,即安稳化处理。
Generally speaking, the cavity of die-casting die is relatively disordered, which will cause large internal stress during rough machining and deformation during quenching. In order to eliminate stress, stress relief annealing, i.e. stabilizing treatment, should be carried out after rough machining.
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