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如何判断木屑颗粒机模具的质量

来源:admin 发布时间:2016-08-25 17:49 浏览次数:
木屑颗粒机模具的好坏不只是模具不耐磨这一个坏处,模具容易爆模,更换频率提高,劳动强度增加,因此选择合格的木屑颗粒机模具,是节约成本提高生产效率,最有效地途径。
Sawdust particles machine mould quality not only mould don't wear this one disadvantage, mould easily burst mode, change the frequency increase, increase the intensity of labor, so choose qualified sawdust particles machine mold, is to increase the production efficiency, cost saving is the most effective way.
木屑颗粒机环模通常由碳钢或不锈钢资料经锻压、切削、钻孔、热处理等工序制成。
Sawdust particles machine ring die are usually made of carbon steel or stainless steel material by forging, cutting, drilling, such as heat treatment process is made.
一、环模所用的材料和每个加工工序对其运用寿命及制粒质量、产值有直接的影响。
A, materials used in the ring die and each processing procedure for its using life and granulating quality, output has a direct impact.
因而,选购环模时,必定要选用技能过硬,有必定规划的厂家。若是随意选用技能设备落后的小厂,在出产过程中肯定会呈现这样或那样的疑问(比方环模不出料、商品颗粒表面粗糙、爆模等)。其次,模孔的研磨也是非常重要的,小厂家由于设备技能约束,主要靠人工进行抛光,经常呈现漏抛表象,或许达不到所需求的光洁度。因而这样的环模,在实际生产过程中也是将难以,即使出料,也会构成颗粒表面粗糙和塞机表象。所以用户们应在秸秆颗粒机的环模质量方面把好关。
Therefore, when the choose and buy ring die, must choose superior skills, some have planning manufacturers. If small plant of optional choose skills, poor equipment, will appear in the process of producing this or that questions (for example loop die not discharging, commodity grain surface is rough, detonation mode, etc.). Secondly, die grinding is also very important, the small manufacturer skills constraints due to equipment, mainly by manual polishing, often appear behind appearances, leakage may not meet the requirements of finish. Therefore the ring die, will not be in the actual production process, even if the material, will constitute a rough surface particles and machine surface. So users should be in the straw quality of ring die pellet machine, the better off.
二、合理选择模具的厚度
Second, the reasonable choose the thickness of the mould
正确选用适宜的模具厚度是确保商品质量和产值的一个重要环节,它涉及到一个压缩比问题(压缩比=模孔有用长度/模孔直径)。压缩比大的环模,其构成的颗粒密度大,表面光洁。否则,所产颗粒外观松懈,造成秸秆颗粒含粉率高。但压缩比若是过大,会令环模难于出料,以致模孔堵塞。 针对出产含纤维比高的物料,环模压缩比应相对取小些,或用旧模出产。
Right to choose the suitable thickness of mould is to ensure the quality and output of an important link, it involves a question of compression ratio (compression ratio = die useful length/die hole diameter). Compression ratio of ring die, its form grain density is big, the surface is bright and clean. Otherwise, particle appearance from the lax, straw particle high powder content. If the compression ratio is too big, can make ring die hard to discharge, so that the die hole plug. To produce fiber material than high, ring die compression ratio should be relatively small, or use the old mould produce.
三、调好木屑颗粒机压辊和环模间的相互合作
Third, adjusted the sawdust pellet machine mutual cooperation between the roller and ring die
如果压辊和环模的空隙调整是不是合理,直接影响木屑颗粒机的作业状况。间距过大,则由于环模和压辊之间的挤压力不足以战胜物料经过模孔的摩擦力而造成堵塞。过小则易损伤环模及压辊。所以若要把握好合理的间距,需要靠颗粒工经过长时间的出产实践和仔细探究才能做出正确的调整。这里有些环模与压辊的适应经验和大家分享下,即是新模配新辊,一对压辊固定一个环模合作运用。这样,就可避免新模配旧压辊,或许旧模配新压辊等表象,以免造成新压辊或是新模具的磨损。从而间接进步和延伸环模、压辊的运用寿命,减少生产成本。
If press roller and the ring die gap adjustment is reasonable, directly affect the sawdust pellet machine operation condition. Spacing is too large, because the ring die and roller pressure between the extrusion pressure is not enough to overcome the friction material through the die and cause clogging. The small ring die and roller is easy to damage. So if you want to grasp the reasonable spacing, need to rely on grain work after a long time production practice and explore to make the correct adjustment. Here are some ring die and roller to adapt to experience and share, namely the new roller is matched by a new mould, a pair of roller fixed using a ring die cooperation. In this way, can avoid the mold with old roller, perhaps the old mould with the new roller surface, so as not to cause new roller or new mould wear and tear. Indirect progress and extension ring mold, the use of the roller life and reduce the cost of production.
四、做好木屑颗粒机环模的保护工作
Four, to do a good job of the protection of the sawdust particles machine ring die
一个环模运用作用好与坏,除自身技术质量决议外,肯定离不开环模的保护。由于在出产过程中,一个环模必定会有阻塞、磨损现象,这样的环模,若是不进行必要的保护保护,必然构成产值下降,能耗增大,乃至压不出料,呈现堵机表象。因而,有上述表象发作时,有必要对环模进行一系列的保护作业。
A ring die use effect is good or bad, in addition to their own technological quality resolution, certainly cannot leave the ring die protection. Because in the process of produce, to have a ring die block, wear phenomenon, so the ring die, if you are not necessary protection protection, necessarily constitute output drop, increase of energy consumption, and not discharging, rendering machine. Therefore, there is the surface occurs, it is necessary to ring die the protection of a series of operations.
五、木屑颗粒机模具的修复使用
Five, sawdust pellet machine mold repair use
木屑颗粒机的成型需要模具和压轮皮做出牺牲,由于木屑颗粒成型难,必须有强大的力量才能够使颗粒成型,如此必然造成模具的磨损。根据以往经验,我们并不支持厂家进行模具的修复。因为修复模具,无非是增大孔的锥度。但是,在修复中也会造成淬火的硬度受损,以至于修复后很短时间内就会磨损到出粉率高、不成形、密度小、温度低这个状态。修复所产生的费用能否抵负生产的成本也是我们需要慎重考虑的问题。所以厂家在出现模具损坏的情况,最好是添置新的模具,以免在后续的生产中问题的出现。
Sawdust particles forming die and roller skin to make sacrifices, because sawdust particles molding difficult, must have a powerful force to make particles forming, so inevitably cause mould wear and tear. Based on past experience, we do not support manufacturer for mold repair. Because the repair mold, is nothing but increase the taper hole. But also can cause the quenching hardness in repair damaged, that within a very short time after repair will wear into the flour extraction rate is high, not forming, small density, low temperature of the state. Costs of repair will justify the cost of producing negative is the problem we need to carefully consider. So manufacturers, in the case of a mold damage, it is best to add the new mold, in order to avoid problems in the subsequent production.

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