北京不锈钢加工应该注意那些问题 - 不锈钢新闻-北京ag环亚平台app机电设备有限公司

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北京不锈钢加工应该注意那些问题

日期: 2013-06-19 信息来源: admin 浏览次数【216

    北京圣恩斯特不锈钢加工厂将为你提供环亚ag最优质的服务。所以总结出来了以下的一些加工注意事项,希望能对广大用户能够有所帮助。

1.不锈钢加工转速应该慢点,进给率慢点,一般线速不超过130.

2.焊缝缺陷:焊缝缺陷较严重,采用手工机械打磨处理方法来弥补,产生的打磨痕迹,造成表面不均匀,影响美观。

3.冷却液应该用水溶性切削液,半合成的,冷却、润滑都好.

4.表面不一致:只对焊缝进行酸洗钝化,也造成表面不均匀,影响美观。

5.不锈钢虽然硬但是它也棉,就是软的意思.上述的车法都会搅刀.要不锈钢加工车刀要磨好.车刀正角要大于5这样子吃刀量可以打好多,效率会高出来.一般持刀单边3MM.

6.因为不锈钢容易变形,钻孔和攻螺纹很是困难,所以要防止过热,在加工面喷油.

7.在不锈钢焊接中应该注意焊机电流的调节大小.

8.人为因素造成的划伤比较严重:在吊装、运输和结构加工过程中,磕碰、拖拉、锤击等人为因素造成的划伤比较严重,使得表面处理难度加大,而且也是处理后产生锈蚀的主要原因。

9.打磨抛光钝化不均匀:手工打磨抛光后进行酸洗钝化处理,对面积较大的工件,很难达到均匀一致处理效果,不能得理想的均匀表面。并且工时费用,辅料费用也较高。

10.因为在加工的过程中刀具表面与其他非金属或者金属结合成合金,使刀具更加容易生锈,我觉得可以给他加个防氧化膜或者抗氧化膜.

11.设备因素:在型材、板材卷弯、折弯过程中,造成的划伤和折痕也是处理后产生锈蚀的主要原因。

12.划痕难除去:整体酸洗钝化,也不能将加工过程中产生的各种划痕去掉,并且也不能去除由于划伤、焊接飞溅而粘附在不锈钢表面的碳钢、飞溅等杂质,导致在腐蚀介质存在的条件下发生化学腐蚀或电化学腐蚀而生锈。

13.其他因素:不锈钢原材料在采购、储存过程中,由于吊装、运输过程产生的磕碰和划伤也比较严重,也是产生锈蚀的原因之一。

14.酸洗能力有限:酸洗钝化膏并不是万能的,对等离子切割、火焰切割而产和黑色氧化皮,较难除去。

以上的问题是环亚ag在日常加工的过程中和用户那里得到的反馈总结出来的。


Beijing Shengensite stainless steel processing will provide you with our best service. So summed up some of the following processing considerations, hoping to be able to help the majority of users.

1 stainless steel processing speed should be slow, slow feed rate, the general line speed does not exceed 130.

2 weld defects: the more serious defects in welds, using manual methods to compensate for mechanical polishing, grinding marks generated, resulting in uneven surface and affect appearance.

3 cooling fluid should be water-soluble cutting fluid, semi-synthetic, cooling, lubrication is good.

4 Surface inconsistent: only weld pickling passivation, but also caused uneven surface and affect appearance.

5 stainless steel although hard but it also cotton is soft meaning. Above method will stir car knife stainless steel processing tools to be sharpened. Turning positive angle is greater than 5 so that the child can play a lot of cut, efficiency high out general knife unilateral 3MM.

6 Because stainless steel is easy to deform, drilling and tapping is very difficult, so to prevent overheating, the machined surface injection.

7 It should be noted in welding stainless steel welding current regulation size.

8 scratches caused by human factors more serious: in the lifting, transportation and construction process, bump, drag, hammering scratches caused by human factors such as more serious, making the surface more difficult, but also rust after treatment the main reason.

9 passivation polished uneven: polished by hand after pickling passivation treatment on larger workpieces, it is difficult to achieve uniform treatment effect can not be satisfactory uniform surface. And work expenses, materials costs are also higher.

10, because in the course of processing the tool surface and other non-metallic or metal combined into alloys, the tool easier to rust, I think we can give him an anti-oxidation film or oxide film.

11 Equipment: In a profile, plate roll bending, bending process, causing scratches and creases are also the main reason for rust treatment.

12 is difficult to remove scratches: Overall acid passivation, nor can a variety generated during processing to remove scratches, and can not remove the scratches, welding spatter adhering to the surface of stainless steel and carbon steel, splash and other impurities , results in the presence of corrosive media chemical etching or electrochemical corrosion and rust.

13 Other factors: stainless steel raw materials procurement, storage process, due to lifting and transportation process produces more serious bump and scratches, but also one of the causes rust.

14 pickling capacity is limited: pickling and passivation paste is not a panacea for plasma cutting, flame cutting and productivity and black oxide, is more difficult to remove.

The above problems are in our daily course of processing and the user get feedback summed up.



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