Grinding and polishing of stainless steel
2012-05-30 Reads : 63
Stainless steel with its excellent corrosion resistance, good mechanical properties and processing properties and good welding properties, a wide selection of engineering materials. The same time, through different polishing methods, can make all kinds of stainless steel sheet, pipe, bar, profile of the surface with varying levels of surface finish, and has greatly improved the appearance of stainless steel, so as to achieve the aesthetic effect, an increase on consumers attractive to the people to enjoy the beauty. , Are widely used in daily production and life. Such as chemical stainless steel pipes, stainless steel container, stainless steel flagpole, stainless steel security doors and windows, stainless steel stair railing, stainless steel buckets, stainless steel door touch the beads, stainless steel kitchen utensils and so on.
A stainless steel sheet polishing
A stainless steel plate (steel finished board)
The stainless steel plate polishing, useful research matte, belt and yarn reinforced abrasive material of a variety of polishing. According to different purposes, you can choose a different or a combination of polished manner.
(1) particle size of 100 to 120, provided for use GB2477 abrasive polishing finishing cold-rolled stainless steel prime plates, stainless steel surface is a semi-polished surface. Surface roughness Ra value of 0.4 ~ 1.5μm. Applies to building materials, kitchen utensils, and need to be further used in the manufacture finishing occasions.
(2) provided for use GB2477 particle size of 150 to 180 of the belt of cold-rolled stainless steel prime plates, polished finish, the stainless steel surface is brighter surface fine polished surface, the surface roughness Ra value of 0.2 to 1.5 μm. Widely used in a restaurant kitchen equipment, medical equipment, containers, positive, and suitable for building shoe surface and building curtain wall trimmings. Such a fine polished surface, the above is not easy to leave fingerprints, but also suitable for the production of stainless steel, steel doors. This surface has a mirror-like reflection, reflection of light special performance. The use of abrasive belt polishing, regardless of light source shape, reflected bright straight line. Regardless of the location and incident angle of the stainless steel plate how this bright straight line is always perpendicular to the polishing direction. According to the direction of steel plate installation, it may be a horizontal bright line in the building, may also be a vertical bright line. If the bright line is horizontal, vertical to the steel surface polishing lines. This use, the steel surface is not easy to plot Shen dust, but also easy to rinse, this high-rise buildings, maintenance is very important.
(3) with GB2477 stipulated in the granularity of the
abrasive belt 240 cold-rolled stainless steel prime plates polished finishing the surface, which is equivalent to the Japanese standard of 240 surface. Applies to kitchen utensils.
(4) after the polishing of the 150 to 180, the belt of cold-rolled stainless steel prime plates, the granularity required by GB2477 W63 No. abrasive and then polished finish, the stainless steel surface of the metallic luster, surface soft, reflective weak and do not reflect the image, it is suitable for the production of building walls and buildings trimmings, is also widely used for kitchen utensils.
(5) to the granularity specified in GB2477 stainless steel plate W50 No. abrasive polishing, with a high degree of reflectivity of the quasi-mirror. Equivalent to U.S. standards for fine polishing proceeds surface 600 rotating polishing wheel. Mainly used for buildings and decorations.
Stainless steel plate vendors, in order to reduce costs, better customer service, since the purchase of stainless steel sheet polishing equipment. Some vendors bought tons of stainless steel plate from the stainless steel plate manufacturers, yarn tendons on the device,
nylon wheel abrasive material floating dry grinding or / and wet polished stainless steel plate, because the operators do not understand abrasive abrasive, often up to the less polished desired effect.
2 stainless steel plate
After the decomposition of the stainless steel finished board will be many different sizes of stainless steel plates. These small stainless steel plate, is the most heavily used in the production of stainless steel parts. The various manufacturers or polishing workshop, they will use different methods to be polished.
(1) "cloth round sticky sand polishing
Polishing cloth round the sticky sand is bonded abrasive cloth wheel polishing. In the past the most common method of polished stainless steel. Rotating cloth wheel motor-driven single or double polishing machine (grinding machines of evolution), coated with a polishing paste, operatives armed with a stainless steel workpiece to be polished. Labor intensity, poor working conditions, and plant workers affected by high pollution levels, and often need to wear a mask.
The polished stainless steel with chromium oxide and binder hard and sharp, remove the ability of green wax. Green wax as a polishing wax.
Polishing wax (paste) for polishing material in solid form, abrasives, organic cream and additives, which type of abrasive, the type of grain type, grain size and organic paste, and the ratio of the importance of polishing quality impact factors.
(2) sandpaper polishing
Stainless steel workpiece on a table or other platform, the replacement of the coarse and fine sandpaper, and use of human polishing. Stake in this polishing method and operator skills. Operator skills, will throw better than good. However, due to the low speed polishing to achieve the same level of operation and machine surface roughness, is impossible.
(3) The polishing angle grinder
Operator hand-held angle grinder, No. 120/220, PVA small grinding (angle grinding) installed on the angle grinder, and polishing of the workpiece. Before polishing, sometimes you need to install the common resin, angle grinding, to coarse grinding. PVA grinding polishing, and sometimes felt wheel polishing, in order to achieve a brighter surface.
(4) pneumatic wheel machines polishing
Pneumatic grinding machines in the production plant to install the abrasive polishing wheel, polished stainless steel plate below the area of ??one square meter. (Note: abrasive polishing wheel of the limit line speed should match the pneumatic grinding machines, or safety incidents.)
(5) grinders polishing
PVA grinding wheel surface grinding machine, the installation, select the appropriate speed of the workpiece, radial feed rate, wheel speed, polished stainless steel workpiece, the availability of high-gloss surface quality.
(6) floating grinding head polishing
Grinding head in a homemade float, made of expensive materials, cloth wheel, polishing stainless steel plate about one square meter area. Can get a mist of the mirror effect.
There are some other methods, such as vibratory finishing.
Two, polished stainless steel pipe
(1) stainless steel tube
With the continuous improvement of material and cultural living standards, increasing demand for the community (including stainless steel composite pipe) stainless steel tube, polished stainless steel pipe also put forward higher requirements. Thus the polishing of stainless steel pipe production line (stainless steel tube polishing machine) came into being. Round Tube Polishing Machine is mainly by the feeding device, polishing the host of cutting device, linked by a single speed motor synchronous transfer of three parts, the raw material of the polishing machine. The polishing hosts by six cast grinding head, each driven by a three-phase motor.
Rough polishing of stainless steel pipe, semi-fine polishing with emery cloth Flap Wheels, fine polishing with PVA grinding wheel, surface roughness Ra value of up to 0.1 ~ 0.05μm.
Small-diameter stainless steel pipe, single grinding head polishing equipment similar to the centerless grinding machine, you can use PVA grinding wheels and emery cloth page round. Of sand particle size should be selected No. 180 fine abrasive grit.
(2) Stainless Steel Rectangular Pipe
The square tube polishing machine by feeding device, polishing the host, composed of cutting devices. Polishing the host speed motor-driven, raw materials, feed delivery, polishing the host of four groups throwing bodies and four side throw bodies.
The square tube rough polishing with emery cloth Flap Wheels, fine throwing the switch to cloth polishing wheel coated with chromium oxide polishing paste. Cast after the surface roughness Ra value of up to 0.1μm.
In polished stainless steel tube and rectangular tube, and some small businesses with a simple stainless steel tube polishing machine (polishing machine). Several times to replace the wheel, multiple operations to achieve the technical requirements.
Three, profiled stainless steel polished
GDP per capita is more improved, more per capita consumption of stainless steel. Some Taiwan boss is from Japan, Korea, Taiwan, and saw this trend came to the mainland to invest in stainless steel industry. The improvement of per capita GDP, the individual needs of the development, the strange, endless variety of stainless steel products, all kinds of special stainless steel products shine. Figure 1 is stainless steel flashlight.
(1) Stainless steel security door
GDP per capita is very low, the families have very poor do not need security doors. Now, not only need security doors; Zeng light watt light Stainless steel security door is the first choice for many families. High-quality polished stainless steel security doors, commonly used in
industrial scouring pad , and rarely use abrasive belt. In the grinding method, the use of manual methods. Manual grinding efficiency is less than the machine, but it has better flexibility. Stainless steel doors there are a lot of corners trench, hand polished to a better local effect of grinding.
(2) stainless steel clasp
Pipeline operations, it is difficult to polish the surface structure of stainless steel clasp. Polished stainless steel strap, and still continued polishing cloth round the sticky sand. This could also be the lowest cost while maintaining the requirements of the polishing method.
3 stainless steel cap
Polished stainless steel cap, and the technical personnel and workers in Shanghai, has developed more than one grinding head polishing production line. Unfortunately, the original patent, the sense of confidentiality, have been multinational companies visit after imitation. It is said that the multinational companies is the United States, "Parker". Zhengzhou Textile Machinery Factory, the beginning of reform and opening up, in stainless steel stamping, in front of the Japanese, have also made similar mistakes.
(4) stainless steel kitchen knife
Stainless steel kitchen knife with PVA grinding wheel polishing.
5 stainless steel sanitary fittings
There are currently axis stainless steel sanitary ware accessories auto polishing machine with abrasive belt and polished stainless steel sanitary fittings.
(6) stainless steel tank wall
Stainless steel tank wall hanging, polishing machine, using the drive shaft by the drive shaft components, power bodies, air compressor, collector rings, lifting frame, manual traction, abrasive belt grinding head, hanging institutions drive off and landing aircraft rotation and manual traction drive lift the shelves, the next slide, and then driven abrasive belt grinding head polishing the surface of the inner wall of the large tank.
7 stainless steel drum outer wall
In a large stainless steel drum outer wall unit homemade equipment, use emery cloth flap wheel polishing.
Listed above profiled stainless steel products, not exhaustive. In the polishing of shaped stainless steel products, the Eight Immortals, and display their talents. Using a variety of machines and tools, have a variety of abrasive materials. Some people even toothpaste and toothbrush, polished stainless steel shaped pieces (under special circumstances, be regarded as the best choice). Shaped stainless steel products and the workpiece is not unity, creating a wide range of polishing methods.
Fourth, the Conclusion
According to different purposes, compatible stainless steel polishing method, adapted to grinding and polishing materials to achieve the best economic results.
(2) mechanical polishing method is the simplest, most effective, lowest-cost stainless steel polishing method.
3.PVA wheel will more and more play a role in polished stainless steel.
4 stainless steel polishing broaden the connotation of stainless steel. Can use a polishing process, through a combination of several different processing methods can produce a more beautiful surface, thus expanding the scope of the use of stainless steel, improve the mood and level of people's lives.
Currently, China is more prosperous well-off society by the well-off society forward, stainless steel demand there is considerable potential. Therefore, the research, development stainless steel polished and has broad prospects, it will also further expand the application range of stainless steel, has brought us a more beautiful environment, more Jiashu the heart of the Discovery.
palabras clave: Polishing wax, nylon wheels, scouring pads, stainless steel, brushed, polished,